Solid Waste Management Strategies Research Articles

Economic and environmental comparison of emerging plastic waste management technologies

Recovery of plastics may need to move beyond traditional mechanical methods and adopt emerging recycling processes including dissolution/precipitation, solvolysis, and pyrolysis. We investigate the costs and climate impacts of optimal solid waste management (SWM) strategies when deploying emerging recycling processes. Introducing a mix of emerging recycling technologies can reduce SWM system costs, increase plastic recycling rates, and potentially help SWM systems achieve net reductions in life cycle emissions. Recycling programs that rely solely on traditional mechanical recycling incur higher system costs, but can achieve the lowest life cycle emissions, regardless of whether the rejected plastic streams are landfilled or treated in waste-to-energy. In a future with increased recycling, SWM systems that utilize fully commercialized dissolution/precipitation and chemical recycling can further improve the cost advantage and the emission reduction potential. The sensitivity analysis demonstrates that enhancing waste collection and refining emerging recycling technologies can considerably increase the economic and environmental performance of SWM.

Analisis Pengelolaan Limbah Medis Padat di Rumah Sakit Umum Daerah Haji Abdoel Madjid Batoe (RSUD HAMBA) Kabupaten Batanghari

Regional General Hospital Haji Abdoel Madjid Batoe (RSUD HAMBA) Batanghari Regency is included in the ten hospitals that produce the most solid medical waste in 2021. In 2022, 115,781 kg of waste is generated, consisting of 14,425 kg of infectious solid waste and 14,425 kg of non-infectious waste 101.356 kgs. If the increase in medical waste is not addressed and managed seriously, it will cause massive environmental degradation. The purpose of this research is to analyze the management of solid medical waste (Sorting and Container, Transportation, Storage and Processing) and develop a solid medical waste management strategy at HAMBA Hospital in Batanghari Regency according to Minister of Environment and Forestry Regulation P.56/Menlhk-Setjen/2015. The process of sorting and container has been separated directly from the waste producer, transportation and storage are transported by special officers (Cleaning Service) and stored in the temporary storage area (TPS) of B3 waste. Processing using its own incinerator which already has a permit. The strategy for managing solid medical waste at HAMBA Hospital in Batanghari Regency with a SWOT analysis, namely, establishing cooperation with other hospitals and health centers, providing education and training budgets for management officers and operators to obtain B3 waste management competency certification.

Environmental Perception of Solid Waste Management in the Hurtado Balneary, Colombia

Environmental perception serves as a powerful tool for identifying community needs and potential within their surroundings. This study assessed tourists’ environmental perception regarding solid waste and its impact on the Hurtado Balneary, located in Valledupar, Colombia. The investigation delved into the environmental attitudes and behaviors of 769 balneary users by employing a combination of observation, photographic documentation, and a comprehensive 21-question online survey. The findings are 98.8% of participants acknowledged the adverse effects of solid waste on the environment, with 98% demonstrating a willingness to participate in waste management efforts. Furthermore, 42.13% exhibited limited awareness regarding waste management practices, reflecting a concerning lack of public interest and commitment (41.61%). Statistically significant disparities (p > 0.05) emerged 59% of waste items were not appropriately disposed of in designated receptacles. Reasons for this included a lack of a sense of belonging (50.2%) and inadequate environmental education (45.6%). Ninety-six percent expressed the need for river conservation signage, while 59.8% did not undertake any form of environmental training. The study’s implications extend beyond the Hurtado Balneary, potentially informing solid waste management strategies in other aquatic environments. This investigation aligns with three Sustainable Development Goals: SDG 12, emphasizing responsible consumption and production; SDG 13, addressing climate action; and SDG 15, advocating for life on land and below water.

Assessment of Solid Waste Disposal Practices and Management Strategies in Eke Okigwe Market, Imo State, Nigeria

Effective solid waste management is necessary to safeguard environmental and public health in communities. However, inadequate disposal practices and facilities pose sustainability challenges in many locales. This study assesses waste management strategies and practices in Eke Okigwe Market, Nigeria. A mixed-methods approach was employed using survey of 220 participants found the most common primary disposal methods were burning (41.5%) and waste collection services (36.9%). Major challenges included inadequate infrastructure (42.2%), lack of storage facilities (22.5%), and insufficient collection (9.2%). Awareness of regulations was high (74.4%) but compliance varied from full (23.2%) to partial (46.4%). Vendors/owners (53.6%) and administrators (27.7%) were the main stakeholders, displaying moderate (50%) to limited (17.7%) collaboration. Air pollution (40.9%), health hazards (36.4%), and soil contamination (13.6%) were top environmental concerns. Semi-structured interviews revealed a mandatory biweekly collection program organized through unsanitary open dumps. An informal fee-based system operated via waste pickers. Governance required upgrade, as sub-administrators reported to an executive committee. Key findings were triangulated. Collection frequency significantly predicted disposal methods (R2=47.5%), with less improper disposal associated with higher frequency. Awareness positively correlated with compliance (r=.750). Disposal methods also correlated negatively with challenges faced (r=-.673) and collection frequency (r=-.689). This mixed methods case study characterized multifaceted waste management challenges. Upgrades to infrastructure, stakeholder integration, and education programs are needed for optimized, sustainable practices aligned with regulations through coordinated multi-level reforms.
 
 Received: 16 November 2023 / Accepted: 28 December 2023 / Published: 5 January 2024

An improved strategy for solid waste management based on programmable logic controller

An improved strategy for solid waste management based on programmable logic controller

Life cycle sustainability assessment and multi-criteria decision analysis: selection of a strategy for municipal solid waste management in Brazil

Life cycle sustainability assessment and multi-criteria decision analysis: selection of a strategy for municipal solid waste management in Brazil

Research on the Combustion Performance of Municipal Solid Waste in Different Sorting Scenarios: Thermokinetics Investigation via TG-DSC-FTIR-MS.

Waste sorting is regarded as one of the most important strategies for municipal solid waste (MSW) management. The changes in the combustion parameters after MSW sorting had a significant impact on the actual operation of the boiler. In the present study, the effects of heating rate on combustion characteristics and dynamics of MSW in different sorting scenarios were studied using the thermogravimetry (TG)-differential scanning calorimetry (DSC)-Fourier transform infrared (FTIR)-mass spectrometry (MS) technique. TG-DSC analysis showed that the heat released from MSW combustion at different heating rates ranged from 1394.1 to 4130.1 J/g. According to the TG-DTG curves, the combustibility of 30% sorted MSW was increased by 1.2 times compared to that of the unsorted scenario. In the 30% sorted scenario, the average activation energies were estimated to be 161.24 and 159.93 kJ/mol based on the Flynn-Wall-Ozawa (FWO) and Kissinger-Akahira-Sunose (KAS) methods, respectively. Based on the Coats-Redfern (CR) method, the minimum activation energies for unsorted and 20% sorted scenarios were 148.74 and 135.53 kJ/mol at 523 to 606 K, respectively, while they were 29.42 and 33.22 kJ/mol at 606 to 780 K. XRF analysis showed that the alkali and alkaline earth metal oxides in the ash contributed to a high risk of slagging and scaling. This work can provide a scientific basis for the real situation of MSW incineration.

Analysis of practices and factors of solid waste management among urban households of Addis Ababa city, Ethiopia

The management of solid waste is crucial for urban areas to prevent the spread of diseases, reduce pollution, enhance cleanliness, promote resource recovery, and create employment opportunities. This study aims to examine the practices and factors related to the management of solid waste among urban households in Addis Ababa City, Ethiopia. A survey was conducted with 200 participants from four districts in two sub-cities. The survey utilized an interview questionnaire. The data collected were analyzed using descriptive statistics and the multinomial logit regression model. The results indicate that various factors such as gender, age, education, employment status, income, family size, and attitude significantly influence the selection of solid waste disposal methods by households. Gender significantly influences the preference for nearby containers over open spaces when it comes to waste disposal. Females are 7.55 times more inclined than males to choose nearby containers instead of open spaces. Age also plays a substantial role, with respondents aged 46-64 being 604 times more likely to utilize nearby containers. Respondents aged 65 and above are 69 times more likely, while respondents aged 31-45 are three times more likely to use nearby containers. Education level is also a significant factor, as individuals holding college diploma or higher degree are more likely to opt for nearby containers and door-to-door pickers rather than open spaces. Retired individuals are less likely to utilize door-to-door pickers compared to government employees. The decision between nearby containers and open spaces for waste disposal is influenced also by family size. The likelihood of choosing nearby containers decreases by 45% with each unit increase in family size. Attitude also plays a role in the preference for door-to-door pickers over open spaces. The likelihood of using door-to-door pickers increases by 64% for each unit increase in attitude. Individuals with higher incomes are unexpectedly inclined towards using open spaces as a method of waste disposal, possibly due to their increased consumption levels, resulting in higher generation of solid waste in their households. To promote a clean, healthy, and sustainable urban environment, the government needs to formulate and implement solid waste management strategies that effectively consider the specific demographic and socio-economic characteristics of households.

Leveraging environmental, social, and governance strategies for sustainable tannery solid waste management towards achieving sustainable development goals

AbstractTannery solid waste (TSW) management is vital for promoting sustainable development in the leather industry. However, sustainable management of TSW is challenging as it contains hazardous chemicals. Implementing environmental, social, and governance (ESG) practices can support managing TSW towards achieving sustainable development goals (SDGs). However, it is not easy to implement ESG practices for TSW management since numerous challenges exist in the system. To assist TSW management through ESG implementation, it is imperative to investigate the interactions among challenges and mitigation strategies. However, the existing decision‐making models cannot deal with the uncertainty and vagueness on a border scale during interaction evaluation and alternatives ranking. Additionally, there is a shortage of scientific works on ESG practices in emerging economies. Therefore, this study, for the first time, offers an integrated novel Dombi t‐norm and Dombi t‐conorm grounded interval valued Fermatean fuzzy sets (IVFFSs) Delphi, an extended IVFFSs‐weighted influence non‐liner Gause system (WINGS), and novel IVFFSs‐TODIM approach which is utterly lacking in the present literature. Also, the study offers a strategic roadmap to understand the interlinkage of findings with SDGs. The results of the IVFFSs‐WINGS analysis confirmed that the “Lack of solid waste management policy” is the most critical challenge for ESG implementation. Further, IVFFSs‐TODIM analysis confirmed that the “Policy development for TSW management complying with ESG and SDGs” is the top ESG challenges mitigation strategy for TSW management. The study's findings will provide guidance for government agencies, policymakers, and relevant stakeholders of the emerging economies tannery industry for successful implementation of ESG practices, thus helping to achieve SDGs.

MARINE DEBRIS COMPOSITION AT THE UMS OUTDOOR DEVELOPMENT CENTRE BEACH USING THE TRASH ANALYSIS METHOD

Marine debris is a ubiquitous pollutant due to its persistence, durability, and flexibility. Many negative environmental and economic impacts of marine debris have been studied, including habitat destruction, diseases, and mortality, which can jeopardise ecosystem services. It has become a major concern, especially since Malaysia has adopted the United Nations’ Sustainable Development Goals (SDGs). This study aims to quantify the composition of debris collected from the UMS Outdoor Development Centre beach through trash analysis. On average, 5111 items/day with a total weight of 356.8 kg were collected during the 3-day sampling period. Based on the analysis, the most abundant type of debris at the beach is plastic (88.6%), which comprises plastic bags, food wrappers, and plastic bottles, followed by paper (8.4%). Findings from this study provide insights into the severity of marine debris, especially plastic materials and their origin in the study areas. This can be valuable evidence to raise the urgency for the local government and the policymakers to enforce stricter laws and better solid waste management strategies in the affected areas. Further studies on the composition of debris during seasonal changes to understand the transportation pattern of debris by water currents and wind movement are recommended.

Evaluation of the performance of the compost plant for optimal operational evaluation.

Composting is a municipal solid waste management strategy that can reduce municipal waste mixtures to diminish the volume and weight of disposable materials, decrease leachate emissions, recycle resources, and reduce the costs required for waste disposal. Today, the wave of consumerism in the current world and the advancement of technology has led to producing diversified waste around the globe, so the growth rate of all countries, including Iran, is increasing dramatically. This research was studied from a practical point of view for the first time in Karaj. We used a method based on a meta-heuristic algorithm to analyze the data. The results of these studies show that units that are part of large industries have a greater environmental approach than other smaller food industries because most of the smaller food industries have environmental experts or other findings; an environmental group is considered costly and troublesome. Therefore, the present research focuses on the thorough assessment of a compost plant's operational performance to achieve maximum efficiency and effectiveness. Technical, environmental, and economic viewpoints are all included in the assessment's multidimensional approach. Moreover, this case study of the Karaj compost factor summarizes the effectiveness of the method based on a meta-heuristic algorithm adopted for waste management. Therefore, it can be said that the root of the existing problems concerning the proper management of food industry waste in Karaj is due to the lack of environmental experts in the industry.

Developing an extended producer responsibility system for solid waste management in Jordan using multi-criteria decision-making approach.

To move from a traditional end of pipe approach into a more sustainable solid waste management system, the Jordanian Government has recently passed a set of new regulations The National Solid Waste Management Strategy has put a road map to encourage circular economy practices. One of the considered policy instruments is the adoption of the extended producer responsibility (EPR). The current study aimed to adopt a multi-criteria decision-making method to select the most convenient EPR structure within the Jordanian context. The study used analytical hierarchy process (AHP) and fuzzy AHP (FAHP) techniques to select the suitable type of producer responsibility organization (PRO) structure. A four-level hierarchy model was constructed with 4 criteria, 10 sub-criteria and 3 PRO alternatives. The analysis revealed that the legal and administrative criteria is the most important one (0.47) followed by environmental criteria (0.22), whereas the least important ones were socio-economic (0.17) and technical criteria (0.13). The most preferable PRO alternative was found to be PRO with profit. There were slight differences between all weight values under AHP and FAHP. Despite the availability of several laws, there is a need to develop the legal and administrative framework to enable the adoption of EPR in Jordan. Research should be the first step in the process of EPR system design. None of the previous studies conducted used the AHP and FAHP in assessing and selecting the EPR systems.

Pluralizing the urban waste economy: insights from community-based enterprises in Ahmedabad (India) and Kampala (Uganda)

The delivery of urban basic infrastructure services is often guided by the modern infrastructure ideal, which aims for technical innovation, economic efficiency and uniformity through long-term, centralized management approaches. In rapidly growing urban centres of the global South, however, heterogeneous infrastructure configurations have long involved multiple systems in varying degrees of coexistence. This paper explores how community-based enterprises – organizations that aim not to turn a profit but rather to generate human well-being – contribute to, complement or conflict with wider municipal solid waste management strategies. It does so through two case studies, focused on Luchacos, a local enterprise turning waste into briquettes in an informal settlement of Kampala, Uganda; and the Self Employed Women’s Association (SEWA), a cooperative of waste pickers in Ahmedabad, India. Drawing on empirical data and policy analysis, the research finds that, given the necessary state support, community-based enterprises can contribute to a range of sustainability and development objectives.

High potential of coupling the source-separation and incineration promotion to reduce costs based on city-level cost-benefit analysis of municipal solid waste management strategies in China

To screen the optimum strategy of municipal solid waste (MSW) management toward the goal “zero-waste city” in China, in this study, a tailored system including six indicators of waste of land resource, greenhouse gas emissions, human toxicity, energy recovery, biomass recovery, and paper/plastic recovery were developed and total costs were quantified based on city-level cost-benefit analysis considering the city socioeconomic characteristics. Results show that the systemic change scenario which couples the MSW source-separation, incineration promotion, and biosolid land application has the best performance in total net cost reduction by US$154 billion during 2021–2030, of which US$80 billion is external cost. Due to the change in external cost of land resources, the marginal cost of MSW treatment varies significantly with city groups, with megalopolises being 3 times as other city groups. The high external cost of land resources further underscores the importance of reducing the final landfilled waste mass for megalopolises.

A Rapid Review of Sociocultural Dimensions in Nigeria's Solid Waste Management Approach.

Against the background of an arguable dearth of scholarship on the sociocultural dimensions of Nigeria's solid waste management strategies and practices, this rapid review searched for evidence in the literature. A rapid evidence review and qualitative meta-summary procedure were implemented to utilize the rigor of systematic literature review that met the timelines and limited funding available for this study. It is more appropriate to identify, extract, and synthesize a mixture of qualitative and/or quantitative empirical evidence in the literature. This rapid review found little substantive evidence of scholarly sociocultural approaches in Nigeria's solid waste management. It also discovered constant factors of inadequate and weak multidisciplinary or non-holistic approaches to driving innovation and effective social impact in Nigeria's solid waste management practices. The results were interpreted vis-à-vis the need to leverage the social sciences, particularly the range and scope of social work practice configurations and possibilities, to scientifically advance and substantially accelerate the implementation of evidence-based policy and practice in Nigeria's solid waste management system. This rapid review concluded that the negative results are due to the insufficient conceptual and theoretical bases for Nigeria's solid waste management strategies and/or practices.

A renewable and sustainable framework for clean fuel towards circular economy for solid waste generation in leather tanneries

In today's economy, the leather industry is one of the most important manufacturing industries in the world. Mismanaging solid waste in tanneries is the most significant challenge of the environment to achieving sustainability in developing countries. Poor solid waste management strategies negatively impact the environment and affect people on health in and around tanneries. For the generation of sustainable renewable energy from solid leather waste, this review has a focus on (a) various solid waste generated and points of generations in the leather industry, (b) emerging thermal treatment (pyrolysis and gasification) of this solid leather waste to convert into valuable products and energy (c) Chrome treatment of the solid leather waste and their maturity in the form of technology readiness level is examined, (d) it offers the extraction of secondary feedstock in the circular economy context which can be used in other industrial processes. The biochar production is about 71% of tanneries sludge is estimated using the pyrolysis process. In the end, the future research gap and outlook to generate energy from solid leather waste is also highlighted. This novel study will be a helpful document to assist scholars, researchers, and stakeholders in working with efficient and sustainable actions and strategies to combat leather solid waste management.

Solid waste management in the context of the waste hierarchy and circular economy frameworks: An international critical review.

Growing populations and consumption drive the challenges of solid waste management (SWM); globalization of transport, food production, and trade, including waste trading, distributes risks worldwide. Using waste hierarchy (WH; reduce, reuse, and recycle) and circular economy (CE) concepts, we updated a conceptual waste framework used by international organizations to evaluate SWM practices. We identified the key steps and the important factors, as well as stakeholders, which are essential features for effective SWM. Within this updated conceptual framework, we qualitatively evaluated global SWM strategies and practices, identifying opportunities, barriers, and best practices. We find that, although a few exceptional countries exhibit zero-waste compliance, most fare poorly, as exhibited by the high waste generation, incineration, and disposal (open dumping, landfilling) volumes. In the Global North, SWM strategies and practices rely heavily on technologies, economic tools, regulatory frameworks, education, and social engagement to raise stakeholder awareness and enhance inclusion and participation; in the Global South, however, many governments take sole legal responsibility for SWM, seeking to eliminate waste as a public "nuisance." Separation and recycling in the Global South are implemented mainly by "informal" economies in which subsistence needs drive recyclable material retrieval. Imported, regionally inappropriate tools, economic constraints, weak policies and governance, waste trading, noninclusive stakeholder participation, data limitations, and limited public awareness continue to pose major waste and environmental management challenges across nations. In the context of the framework, we conclude that best practices from around the world can be used to guide decision-making, globally. Despite variations in drivers and needs across regions, nations in both the Global North and South need to improve WH and CE compliance, and enhance stakeholder partnership, awareness, and participation throughout the SWM process. Partnerships between the Global North and South could better manage traded wastes, reduce adverse impacts, and enhance global environmental sustainability and equity, supporting UN Sustainable Development Goals. Integr Environ Assess Manag 2024;20:9-35. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).

A hybrid machine learning-mathematical programming optimization approach for municipal solid waste management during the pandemic.

The online version contains supplementary material available at 10.1007/s10668-023-03354-2.

Strategi Pengelolaan Limbah Padat Infeksius di Rumah Sakit Ibu dan Anak Family Jakarta Utara

The hospital is a health service that produces various infectious wastes that can endanger the officers who handle the waste and visitors and the community around the hospital. The purpose of the study was to determine the performance of infectious solid waste management at the Family Mother and Child Hospital, to determine the internal and external factors in the management of infectious solid waste at the Family Mother and Child Hospital, and to obtain the formulation of infectious solid waste management strategies at the Mother's Hospital. and Child Family. This research was conducted at the Mother and Child Family Hospital, North Jakarta, related to infectious solid waste management strategies. Data collection methods used are interviews, focus group discussions (FGD) and questionnaires. To get the main priority strategy using the IFE- EFE- IF- SWOT matrix. Research Results Based on the analysis of the QSPM matrix, there were 6 strategies that could be prioritized based on the highest ranking, namely (1) Implementing infectious solid waste management systems and procedures in a professional manner, (2) Improving the quality and competence of officers to prevent environmental pollution, (3) Conducting periodic socialization/training to employees related to infectious solid waste management, (4) Preparing medical waste management plans in accordance with the standards of the Minister of Health, (5) Providing sanctions to employees who do not follow the rules in handling infectious solid waste, (6) Optimizing the budget in infectious solid waste management. Keywords: Infectious Solid Waste Management Strategy

Factors Affecting Solid Waste Management in Kapchorwa Town Council, Kapchorwa District

The problem of Solid Waste Management (SWM) has become a major problem in the upper areas of developing countries. In Uganda, the menace of urban waste has further been worsened by the increasing population. This study was done to assess the level of knowledge and practices about SWM within the Kapchorwa Town Council (KTC) Kapchorwa district in eastern Uganda. To achieve the objectives, a descriptive cross-sectional study was carried out and waste characteristics, collection, disposal, stakeholder roles, and waste management responsibilities were analyzed. Results indicate that waste is predominantly biodegradable (66%) and generated mainly within households, with no proper collection rate disposed of, crude dumping was the major means of disposal used (72.5%). The council is under capacity to handle waste management demands and their services are poor or nonexistent which has led to the use of crude dumping which has risk health. The strategy for solid waste management is failing because the community members are not cooperative. In conclusion, waste management practices in KTC are poor and they reflect a gap in knowledge about effective waste management within KTC, community members should be regularly educated on the link between improper solid waste management and disease outbreaks and the safe SWM practices such as reuse and recycling. Keywords: Waste management, Kapchorwa district, urban waste, disease outbreaks