Sustainable Approach Research Articles

Nanotechnology and Nanostructures in Food Science: Advancements & Applications

Nanotechnology is a field of science that deals with materials at a nano-scale i.e. within the range of 1 to 100 nano meters. Nanotechnology and nanostructures are revolutionizing food science by providing an innovative, effective, and sustainable approach. Nanotechnology is the science of materials which are extremely small, typically ranging from 1-100 nanometers, which finds various applications in diverse fields including but not limited to food science. Different industries like food industry, dairy industry, fruits & vegetables industry, and wine industry would benefit by implementing and integrating nanotechnology. The advancements and applications of nanotechnology and nanostructures in food science have not been explored thoroughly and require a lot more research. However, public concern about the safety of nanomaterials, toxicological aspect of nanomaterials, and food safety concerns still remains a hot topic for further research. This article provides a brief overview of the applications and advancements of nanotechnology in food science.

A Concentrated Analysis of the Situation of Flood Control Management: A Review

Floods are happening more often and with greater severity due to socioeconomic development and climate change. Flood control is widely acknowledged as an effective means of reducing the negative effects, and recent research has aimed to develop a more robust and sustainable approach to flood management. A thorough bibliometric examination of terms, keywords, and dates in the flood research field was employed in this work. It provides new insight into the flood research trends, by examining the research frontiers from 2000 to 2021. We conclude that there has been a shift in the focus of flood research from flood management to flood resilience. Flood resilience management offers a more resilient and sustainable plan to deal with flood disasters, while flood risk management offers an adaptation approach by adjusting mitigation measures. The review demonstrates how flood research has progressed from traditional flood management, which provides mitigation strategies, to flood resilience management. Along with reviewing the definition of risk, risk analysis techniques, flood resilience, flood management, and flood risk management, we also provide a thorough introduction of the field of flood research. We come to the conclusion that a preferable strategy for future flood control directions is to incorporate the idea of resilience into the risk management framework. Consequently, employing the theories of risk, resilience, and sustainability, sensible choices and actions made before, during, and after a disaster will successfully minimize the negative effects. Devastating floods brought on by swift urbanization and severe weather patterns have claimed millions of lives and continue to inflict direct economic losses estimated at tens of billions of dollars annually. Furthermore, as extreme precipitation events intensify (Tabari, 2020) and the population at risk of water-related disasters rises (Jongman et al., 2012; Paudel et al., 2014; Tellman et al., 2021), these losses will only rise in the future due to global warming (Bloeschl et al., 2019; CRED and UNISDR, 2020; Hallegatte et al., 2013). Even worse, severe compound flooding from excessive river flow, intense rainfall, and storm surges might arise from the simultaneous occurrence of flash floods, river flooding, urban flooding, and coastal flooding (Ming et al., 2022). Given that the causes of coastal, urban, and river flooding vary, determining the locations most vulnerable to these types of floods is a challenging. While flood risk is known to rise in response to population growth, climate change, and the accumulation of economic assets, it is also known that this risk is dynamic and ever-changing due to changes in underlying surface conditions (Hallegatte et al., 2013; Lai et al., 2020). Thus, it is critical to manage flooding in order to address the rising risk of flooding. Prior studies have demonstrated the pressing need to address flood events (da Silva et al., 2020), and future flood mitigation measures must be developed in order to lessen the negative effects and handle increasingly complicated flood kinds.

AI-driven personalization framework for SMES: Revolutionizing customer engagement and retention

In today's competitive business landscape, Small and Medium Enterprises (SMEs) face unique challenges in building and maintaining strong customer relationships. An AI-driven personalization framework offers a transformative solution by enabling SMEs to deliver highly targeted and individualized customer experiences, improving both engagement and retention rates. This review outlines how artificial intelligence (AI) can empower SMEs by integrating data-driven insights with customer interaction processes to revolutionize business practices. AI-driven personalization leverages machine learning algorithms, natural language processing (NLP), and predictive analytics to analyze customer behaviors, preferences, and feedback. By aggregating data from various sources—such as online interactions, purchase histories, and social media activity—AI can generate personalized recommendations, offers, and communication strategies that resonate with individual customers. The framework facilitates dynamic customer segmentation, allowing SMEs to tailor marketing efforts and enhance service delivery. The personalization process also extends beyond marketing by optimizing customer support through AI-powered chatbots and recommendation systems, which provide real-time solutions and advice. This level of personalization fosters stronger emotional connections, increasing customer satisfaction and brand loyalty. Additionally, AI-driven insights enable SMEs to anticipate customer needs, predict churn rates, and proactively address potential issues, thereby boosting retention rates. For SMEs, the implementation of an AI-driven personalization framework is not only cost-effective but scalable, making it accessible even to businesses with limited resources. As SMEs increasingly adopt digital tools, the integration of AI-based personalization becomes essential for staying competitive in a rapidly evolving market. This review highlights the potential of AI in transforming customer engagement strategies for SMEs by offering a tailored, efficient, and sustainable approach to enhancing customer experiences.

Integration of renewable energy-powered cold storage solutions for reducing post-harvest food waste in rural agricultural areas

Post-harvest food loss remains a critical challenge in rural agricultural areas, exacerbated by inadequate storage facilities and unreliable energy access. This study develops and optimizes an advanced renewable energy-powered cold storage system tailored for rural settings, integrating solar and wind energy with phase change materials (PCMs) for efficient energy storage. The system incorporates Internet of Things (IoT)-based sensors and artificial intelligence (AI)-driven energy management to maintain optimal storage conditions and enhance energy efficiency. Field trials conducted in Lincolnshire, UK, and Appalachian regions of the US demonstrated significant reductions in post-harvest food loss by an average of 43.5%, extensions in produce shelf-life by up to 300%, and increased income for smallholder farmers by approximately 43%. The system also achieved an 80% reduction in greenhouse gas emissions compared to conventional diesel-powered systems. Economic analyses revealed a shorter payback period and higher return on investment, confirming the system's viability. High user satisfaction and adoption rates indicate the system's practicality and potential for widespread implementation. The findings suggest that integrating renewable energy with smart technologies in cold storage solutions offers a scalable and sustainable approach to enhancing food security, promoting economic growth in rural areas, and supporting environmental objectives globally.

Sustainable Processing of Ultralow-Cost Petroleum Cokes Into Ultrastable Self-Doped Fe3C@CNT Catalysts for High-Efficiency HER.

Petroleum cokes are largely used as low-cost anodes in aluminum industries and general fuels in cement industries, where large amounts of CO2 are generated. To reduce CO2 release, it is challenging to develop green strategies for processing abundant petroleum cokes into high-value products, because there are abundant hetero-atoms in petroleum cokes. To overcome such issues, a sustainable electrochemical approach is proposed to convert ultralow-cost high sulfur petroleum coke and iron powders into high-efficiency catalysts for hydrogen evolution reaction (HER). During molten-salt electrolysis, raw petroleum cokes are converted into CNTs via heteroatom removal and the catalytic effect of Fe, forming Fe3C nanoparticles on the sulfur and nitrogen co-dopped carbon nanotubes (Fe3C@S, N-CNTs). The electrochemical reaction analysis using the continuum model suggested that the rate-determining step referred to the slow transport of mobile ions inside the porous cathode. Because the self-doped S and N atoms massively alleviated the energy barrier for H* absorption and H2 desorption (i.e., promoting HER kinetics), the as-prepared Fe3C@S, N-CNTs exhibited low overpotentials at 10mAcm-2 in acidic (96mV) and alkaline (106mV) solutions with ultralong-term duration (200h). This study offers a sustainable approach to convert ultralow-cost petroleum cokes into ultrastable catalysts for high-efficiency HER.

Behavioral Nudges to Encourage Appropriate Antimicrobial Use Among Health Professionals in Uganda

Background/Objectives: Antimicrobial resistance (AMR) is a global public health concern exacerbated by inappropriate antimicrobial prescribing practices, particularly in low-resource settings such as Uganda. The research aimed to develop a culturally sensitive behavioral intervention, leveraging a “nudge” strategy, to improve healthcare provider adherence to the 2016 Uganda Clinical Guidelines (UCG 2016) in five Ugandan hospitals. This intervention formed part of broader antimicrobial stewardship initiatives led by the United States Agency for International Development Medicines, Technologies, and Pharmaceutical Services Program. Methods: This study employed a mixed-methods approach, combining formative research and behavioral intervention. Guided by the Deloitte Behavioral Insights Framework, the research team conducted key informant interviews to identify prescribing barriers and motivators and developed three suitable behavioral interventions: perceived monitoring, ward leaderboards, and educational workshops. The study evaluated the interventions’ impact through point prevalence surveys (PPS), using the World Health Organization PPS methodology at three stages: pre-intervention, immediate post-intervention, and one-month post-intervention. Results: Key behavioral themes across individual, social, environmental, and organizational elements informed the intervention design and implementation. The behavioral intervention package increased antimicrobial prescription compliance with the UCG 2016 from 27% at baseline to 50% immediately post-intervention, though these effects diminished at one-month post-intervention. Conclusions: Our study addresses an existing gap in behavioral nudges-based operational research on antimicrobial prescribing in low- and middle-income countries. These results showed an immediate improvement in adherence to the UCG 2016 among healthcare providers in Ugandan hospitals, though the effect was attenuated at one-month follow-up. Despite the attenuation, behavior change presents a feasible, cost-effective, and sustainable approach to improving antimicrobial prescribing practices and addressing AMR.

Planetary health as a paradigm shift towards health and well-being

Abstract Planetary health is a concept that focuses not only on human health but wider - on the health of our planet. Health is not only a privilege of human beings. Planetary health emphasizes the interconnected nature of human health and environmental health. This also makes a shift in the direction from human anthropocentricity to a more fair approach - health of the whole planet. Human well-being is dependent on the health of the planet, including clean air, water, and food sources. Paradigm shift towards planetary health promotes a holistic view of health that encompasses social, economic, and environmental factors. It considers the complex interactions between humans, animals, plants, and ecosystems. Planetary health insists on a preventative approach by addressing root causes such as pollution, climate change, and biodiversity loss. We should be aware of human responsibility linked to terrible symptoms of our Planet like heat waves, fires, droughts, floods... Planetary health approaches underline the importance of sustainable practices that protect the environment, promoting human health, but also actions to achieve that. By adopting sustainable lifestyles, industries, and policies, we can ensure the well-being of current and future generations. Planetary health calls for global collaboration, interconnecting nature, environment and human health challenges. By prioritizing planetary health, we show that we can be less selfish and that we respect nature and the environment. Planetary health insists on a paradigm shift towards a more integrated and sustainable approach using social and nature sciences in a holistic approach. But, we should also use Planetary health concept as a call for peace, which is a condition for all other achievements.

Health Impact Assessment (HIA): a tool to drive health in all policies?

Abstract Health Impact Assessment (HIA) is often promoted as a tool to implement ‘health in all policies’ and sustainable development approaches to improve health and equity outcomes. However, is this truly the case? Currently global HIA practice is variable. This paper shares learning from the development and implementation of HIA in Wales to date to understand how HIA has been, and can be, used to inform policies and decisions and reduce health inequalities. The research investigated if, and how, HIA can be used as a tool to mobilise HiAP in reality. It followed a mixed methodological approach and investigated the contribution of HIA to practically advancing HiAP viewed through the lens of Wales and internationally. Primary and secondary evidence and statistics were collected and analysed. A literature review, stakeholder interviews, online statistical questionnaires and case studies were conducted. Thematic and content analysis techniques used. Findings include the importance of conceptual considerations i.e. the perspective on health - social determinant an equity or environmental determinant driven - taken by those carrying out or commissioning a HIA; the importance of centres of expertise to learn from; and practical considerations such as the political and regulatory environment, workforce and organisational knowledge and capacity. Wales has a dedicated expert HIA Unit, an enabling political environment and has led to HIA influencing policies and plans over 20 years. It has transferrable learning for other nations and the research including the online survey has been replicated by others, led to collaborations with nations such as Portugal and contributed to the reviewed literature by providing case studies on a topics like climate change which have influenced decision makers. Tangible ways forward for policy makers, researchers and academics include the need to develop more cross collaboration and fill gaps in the evidence i.e. on institutionalisation of HIA. Key messages • HIA is a excellent process to drive Health in all policies approaches. • HIA needs an enabling environment and workforce support such as that in Wales to thrive.

Mediterranean Aquaponics: Fasting and Refeeding in a Polyculture Aquaponic System

The use of Mediterranean euryhaline fish and halophytes in aquaponics presents a sustainable and alternative approach to food production. The present study investigates the effect of compensatory growth on sea bass (Dicentrarchus labrax) and Baltic prawn (Palaemon adspersus) co-cultivated with the halophytic glasswort (Salicornia europaea). Three autonomous systems were established, each containing forty-five sea bass, nine Baltic prawns, and eight glasswort plants, with different feeding regimes for each treatment: (i) daily feeding (treatment A), (ii) three days of feeding per week followed by four days of fasting (treatment B), and (iii) feeding for seven days followed by seven days of fasting (treatment C). The growth performance of the fish was significantly higher in treatment B. Conversely, the feed conversion ratio (FCR) was notably higher in treatment A. As for the prawns, their final body weight and length were similar across all treatments. The glasswort plants also demonstrated significantly improved growth in treatment B. These results indicate that the incorporation of feeding and fasting cycles can be an effective feed management strategy for polyculture aquaponic systems. Additionally, food deprivation had a positive impact on the growth performance of both glasswort and prawns.

Influence of Livelihood Capitals on Landscape Service Cognition and Behavioral Intentions in Rural Heritage Sites

Farmers’ livelihoods are critical for global sustainable development and the conservation and transmission of rural heritage. However, neglecting farmers’ livelihoods increases the risks to living heritage conservation. Therefore, it is essential to explore the impact of livelihood capital on farmers’ landscape services cognition and their behavioral intentions. Based on the Sustainable Livelihoods Approach, this study examines the rural areas of Mulanbei irrigation district, which was recognized as a World Heritage Irrigation Structure in 2014, and uses a structural equation model to investigate the relationships between farmers’ livelihood capital, landscape services cognition and behavioral intentions. The study’s key findings include the following: (1) The levels of human capital (0.541), social capital (0.671), and cultural capital (0.645) are relatively high, while the levels of natural, physical, and financial capital are comparatively low. (2) There are significant differences in landscape service cognition and behavioral intentions among farmers of different livelihood strategies, with diversified livelihood farmers demonstrating the highest levels of both cognition and intentions, while subsidy-dependent farmers show the lowest levels. (3) Natural, cultural and financial capital play a crucial role in influencing farmers’ landscape services cognition and their behavioral intentions. Landscape service cognition mediates the relationship between livelihood capital and behavioral intentions. (4) To increase farmers’ willingness to protect and promote rural heritage, efforts should focus on enhancing natural, physical, and financial capital while fostering cultural capital to promote advocacy.

A Thermogravimetric Analysis of Biomass Conversion to Biochar: Experimental and Kinetic Modeling

This study investigates the pyrolytic decomposition of apple and potato peel waste using thermogravimetric analysis (TGA). In addition, using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS), the influence of pyrolysis temperature on the physicochemical characteristics and structural properties of biochar was studied. The degradation of biomass samples was studied between 25 °C and 800 °C. Although apple and potato peel decomposition present similar thermogravimetric profiles, there are some differences that can be evidenced from DTG curves. Potato peel showed one degradation peak in the range 205–375 °C with 50% weight loss; meanwhile, the apple peel exhibited two stages: one with a maximum at around 220 °C and about 38% weight loss caused by degradation of simple carbohydrates and a second peak between 280 °C and 380 °C with a maximum at 330 °C, having a weight loss of approximately 24%, attributed to cellulose degradation. To gain more insight into the phenomena involved in biomass conversion, the kinetics of the reaction were analyzed using thermal data collected in non-isothermal conditions with a constant heating rate of 5, 10, 20, or 30 °C /min. The kinetic analysis for each decomposed biomass (apple and potato) was carried out based on single-step and multi-step type techniques by combining the Arrhenius form of the decomposition rate constant with the mass action law. The multi-step approaches provided further insight into the degradation mechanisms for the whole range of the decomposition temperatures. The effect of temperature on biomass waste structure showed that the surface morphologies and surface functional groups of both samples are influenced by the pyrolysis temperature. A higher pyrolysis temperature of 800 °C results in the disappearance of the bands characteristic of the hydroxyl, aliphatic, ether, and ester functional groups, characteristic of a porous surface with increased adsorption capacity. Therefore, this study concludes that biomass waste samples (apple and potato) can produce high yields of biochar and are a potential ecological basis for a sustainable approach. The preliminary adsorption tests show a reasonably good nitrate removal capacity for our biochar samples.

Cassava Waste Pulp Valorization for Biohydrogen Production: A Sustainable Approach to Advancing Circular Economy

Cassava Waste Pulp Valorization for Biohydrogen Production: A Sustainable Approach to Advancing Circular Economy

Developing regional Diabetes Registries in Italy: pilot projects implementation within JACARDI

Abstract Issue/Problem In Italy a National Diabetes registry is planned but not yet set up at the Ministry; JACARDI is contributing to speed up the process so that critical gaps in health data availability can be filled. While some regional registries exist, the lack of cohesion and standardization hinders the tracking of prevalence, incidence, and sequelae, crucial for evidence-based policymaking amidst rising diabetes rates. Description of the Problem The JACARDI project, supported by EU funding and running for four years, engages 76 partners from 21 countries and includes 142 national-level projects. Among its focus areas is enhancing data availability, aiming to establish harmonized regional Diabetes registries in Italy to tackle this issue. These efforts aim to create a scalable model enabling data linkage, diabetes type differentiation, and socio-demographic integration. Collaboration with health authorities and societies, drawing insights from existing registries, informs the development process. Results A total of 11 regional Diabetes registries are currently in the design phase of implementation. They adhere to a clearly defined methodology, with established essential parameters and data linkage. Consensus on these parameters and linkage was reached through stakeholder discussions, drawing on past registry experiences. The primary goal of the registries is to monitor diabetes prevalence, stratify incidence by demographics, and track sequelae to inform targeted interventions and resource allocation. While scalability beyond Italy may encounter administrative challenges, standardized protocols facilitate transferability. Data Protection stands out as a significant implementation obstacle. Lessons Standardized data collection, stakeholder collaboration, and sustainability are vital in registry development. Leveraging data availability for surveillance demonstrates adaptability and scalability, offering valuable insights for enhancing diabetes management. Key messages • Standardized data collection and stakeholder collaboration are pivotal in establishing effective diabetes registries, fostering equity and improving health outcomes. • Leveraging data availability for surveillance offers a scalable and sustainable approach to diabetes management, facilitating informed policymaking and interventions.

Cardiac rehabilitation ambassadors - a new model to enhance patient participation

Abstract Introduction Participation in outpatient Cardiac Rehabilitation (CR) is considered an integral part of secondary treatment of heart disease. Despite being considered standard care, participation remains low internationally. Encouraging patients to enrol in CR during their hospital stay is linked to higher participation. [1] This study was conducted at a hospital that provides acute cardiac and rehabilitation services in Australia. Purpose As a provider of cardiac care, we identified that increasing nurses’ knowledge of the of CR would improve their capacity to promote CR during patient’s hospital stay. Methods Utilising a quality improvement methodology, the Cardiac Ambassador Initiative was developed with key stakeholders working on cardiac units in 2022. The program consisted of an immersion experience for cardiac nurses to shadow CR nurses working in a specialist rehabilitation centre providing best practice CR for patients with a variety of cardiac conditions. To evaluate the impact of the program, cross-sectional surveys and individual interviews were conducted with participants and Nurse-Unit-Managers (NUMs). Key outcomes included: ambassadors’ knowledge and confidence to promote CR participation to their patients on the wards and NUM's perceptions of the impact of the program. Results The program was run over two years. The NUMs and CR-coordinator selected a total of 13 nurses to participate. In 2022 4 participants attended a total of 5 days each. Following evaluation, the program was modified to 3 days for participants in 2023, which enabled 9 participants to attend. All participants described not fully understanding the nature of CR and its impact on patients until they attended a program. Prior to attendance, 100% of participants considered it was important or somewhat important for patients to attend CR. Following attendance 100% of participants consider it essential or important for patients to attend. They also reported feeling more confident to discuss CR with patients and colleagues and encourage patient participation following the immersion experience. Pre-attendance 100% of participants felt either not at all confident or somewhat confident to discuss CR with their patients and this improved post program with 100% feeling very confident. 100% of participants also indicated that their confidence and skill in discussing CR with patients greatly improved and recommended that others should participate in the CR Ambassador program. Nurse Unit Managers reported that the CR Ambassadors were a valuable resource for both staff and patients on the cardiac unit and that they had identified a need to review the accessibility of CR information and referral documentation available on their wards. Conclusion The immersion experience represents a feasible and sustainable approach to establishing CR ambassadors on acute cardiac wards with the skills needed to promote CR participation to colleagues and patients.

3.G. Scientific session: Making WHO European Region the Healthiest Online Environment for children: Restrict harmful marketing

Abstract Children spend a significant amount of their time daily on digital devices using online services. While this can bring many advantages and benefits, it also entails dangers if not the online environment is not effectively regulated. Exposure to marketing of harmful products and services, particularly towards children, remains a pervasive challenge, despite the extensive evidence base documenting its negative impacts. This session will give an overview of integrating behavioural sciences with public health which suggested promising avenues for addressing the complexities of harmful digital marketing to children. Additionally, current tools developed by WHO Regional Office for Europe and Joint Actions, which Member States can use to address novel challenges like brand marketing will be presented. The tools help to map, monitor and regulate the digital marketing exposure of unhealthy foods and brands to children in their country. One focus will be on the need to objective monitoring of marketing exposure to inform policies and ensure that they are fit for purpose. This is particularly challenging, as traditional monitoring tools struggle to keep up with automated, targeted and personalized advertisements. Due to the complexity to successfully restrict marketing exposure to children, strong collaborations are needed. Collaborative efforts of the Joint Action PreventNCD and the WHO Europe will be presented. Specific goals set by the Joint Action, as well as the importance of a sustainable approach will be highlighted. A discussion on the way forward will focus on how tangible impact can be created in the WHO European Region. Key messages • Need for effective tools to address novel challenges and successfully monitor and regulate harmful marketing to children. • Need for integration of behavioural science and strong collaborations to create real impact.

ÁUSTRIA: POLÍTICAS PÚBLICAS DE INOVAÇÃO NOS ÚLTIMOS 50 ANOS

This article explores the significance of innovation policies as an essential component of public policy for national development and growth. Focusing on Austria, one of the most developed and innovative countries in Europe, we analyze the historical developments that contributed to its success, including the legacy of the Austro-Hungarian Empire, the impact of the Marshall Plan, and membership in the European Union and OECD. We discuss the innovation policies implemented in Austria, emphasizing research funding and collaboration between academia and the private sector. Additionally, we examine the long-term effects of these policies on the economy and society, as well as the current challenges faced by the country. The study offers valuable lessons for developing nations, highlighting the need for a strategic and sustainable approach to innovation.

Sustainable Synthesis of New Antioxidants from Hydroxytyrosol by Direct Biocatalytic Esterification in Ionic Liquids

Hydroxytyrosol (HT) is a nutraceutical compound, mainly found in the fruit, leaves and waste from the olive oil industry, known for exhibiting one of the highest antioxidant activities among molecules of natural origin. To harness this bioactivity in cosmetics, pharmaceuticals and the food industry, it is essential to modify the hydrophilicity of HT to enhance its compatibility with lipid-based mixtures. This chemical modification must be carried out with high selectivity to avoid compromising its radical scavenging activity. This work presents a highly efficient and selective approach to perform the biocatalytic esterification of free fatty acids (FFAs) of different alkyl chain lengths with HT in a reaction medium based on the SLIL [C12mim][NTf2]. By using a 1:2 (mol/mol) HT:FFA mixture of substrates, the HT-monoester derivative was obtained up to 77% yield after 2 h at 80 °C. The optimized molar ratio of substrates, combined with the ability to recover the SLIL for further reuse, significantly reduces waste accumulation compared to other reported strategies and results in a more sustainable approach as demonstrated by different green metrics. The antioxidant activity of HT-monoester products was fully maintained with respect to that presented by the natural HT, being stable for at least 3 months at 4 °C, as demonstrated by the DPPH and FRAP antioxidant analysis.

The Potential Benefits of Palm Oil Waste-Derived Compost in Embracing the Circular Economy

The environmental impact of peat extraction in plant nurseries requires urgent attention due to climate change and habitat destruction. Substituting peat moss with compost derived from palm oil waste in oil palm nurseries presents a viable solution. However, the challenges in its implementation must be considered. This research focuses on optimizing composting conditions for palm oil waste and examines the impact of the compost on soil quality, nutrient availability, and seedling growth. Measurements such as the culling rate, plant height, leaf length, and chlorophyll content were taken to assess seedling growth in nurseries. The compost was also tested as a soil amendment for 5-year-old palm trees, with foliar analysis conducted to evaluate the nutrient assimilation. The results show that optimized compost significantly enhanced the seedling growth by 20–50%, evidenced by the increased plant height, longer leaf length, and higher chlorophyll content. Additionally, the foliar analysis demonstrated an improvement of 5–15% in the nutrient assimilation in the 5-year-old palm trees. This research highlights the potential of optimizing oil palm waste composting for sustainable planting media in nurseries, mitigating environmental impacts and promoting productivity in oil palm plantations. Adopting this circular economy model can address waste management challenges while ensuring a resilient and sustainable approach in the palm oil industry.

Textile Recycling: Efficient Polyester Recovery from Polycotton Blends Using the Heated High-Ethanol Alkaline Aqueous Process

Textile production has doubled in the last 20 years, but only 1% is recycled into new fibers. It is the third largest contributor to water pollution and land use, accounting for 10% of global carbon emissions and 20% of clean water pollution. A key challenge in textile recycling is blended yarns, such as polycotton blends, which consist of polyester and cotton. Chemical recycling offers a solution, in particular, alkali treatment, which hydrolyzes polyester (PET) into its components while preserving cotton fibers. However, conventional methods require high temperatures, long durations, or catalysts. Our study presents, for the first time, the heated high-ethanol alkaline aqueous (HHeAA) process that efficiently hydrolyzes PET from polycotton at lower temperatures and without a catalyst. A near-complete PET hydrolysis was achieved in 20 min at 90 °C, while similar results were obtained at 70 °C and 80 °C with longer reaction times. The process was successfully scaled at 90 °C for 20 min, and complete PET hydrolysis was achieved, with a significantly reduced liquid-to-solid ratio, from 40 to 7 (L per kg), signifying its potential to be implemented in an industrial context. Additionally, the cotton maintained most of its properties after the treatment. This method provides a more sustainable and efficient approach to polycotton recycling.

Characterization and machinability analysis of aluminium-based metal matrix composites (MMC): A critical review

Hybrid nanocomposite has progressively attracted advanced industrial and automotive sectors in recent years. Hybrid nanocomposites have emerged as a viable material for a wide variety of engineering uses because of their excellent thermal, mechanical, and environmental characteristics. This article introduces reviews on the turning process of metal matrix composites (MMC) and its examination of the improvement of the machining indicators of MMCs. Furthermore, this review reviews the latest research progress in sustainable turning of aluminium based composite particularly hybrid nanocomposite. Moreover, a summary regarding the impact of machining variables on measured outputs is also discussed. Machinability evaluations, along with other factors, are considered critical analyses that directly determine the cost of machining processes. The point of this review is to focus on the impact of essential cutting variables on hybrid turning processes. Furthermore, this paper draws extensive conclusions based on experimental findings. This research also identifies potential future topics that need to be solved to improve the development and characterization of hybrid nanocomposites. In brief, the paper presents a comprehensive review for developing a sustainable machining approach for these fabricated hybrid metal matrix composites.