Solid Waste Processing Research Articles

Household solid waste processing plant location selection: interval-valued intuitionistic fuzzy information-based gained and lost dominance score approach

Household solid waste processing plant location selection: interval-valued intuitionistic fuzzy information-based gained and lost dominance score approach

A Business Management Model in the Circular Economy: Technological Solutions for Plastic Recycling

Objectives: this article develops a model for managing business processes in a circular economy using technologies for plastic recycling. Theoretical Framework: The theoretical idea and basis of the article consists in the development of project management methodology, process approach in the closed-loop economy, development of methods and economic tools aimed at effective resource management taking into account waste reduction and increased reuse of plastic fractions in Municipal Solid Waste (MSW). The application of digital technologies and solutions in the context of business process management in the field of plastics recycling will be substantiated, which will allow to identify new opportunities and reserves for optimising business processes in this field, increasing the efficiency of resource use, improving the environment and reducing costs. Method: the work uses a project approach, a process approach, digital modeling methods, and the “polluter pays” method. To implement the process approach, it is proposed to use the concept of Business Process Management (BPM). Competent business process management allows the company to react quickly to changing market conditions and customer orientation. Digital modelling in this paper means the representation of actions in the form of business processes in the organisation of solid waste management, the 'polluter pays' method means the economic assessment and accounting of environmental damage in waste management in the costs of business processes. Results and Discussion: The results of the study can be used to introduce the process approach to plastics recycling in individual regions and countries for the development of a green economy. According to the estimates of the authors, the optimisation and cost reduction of business processes, taking into account the environmental factor and the increase of the revenue part of the project from the reuse and inclusion in the economic turnover of plastic waste recycling products on the scale of the considered city (population of 1800 thousand people, area of 2856 ha, 18.14 tonnes of plastic waste accumulated per day) will reduce the costs of business process management by more than 200 thousand euros. Research Implications: the results of the study can be used to justify projects for the processing and recycling of solid municipal waste, including plastic waste, to introduce environmentally friendly production, to reduce the negative impact on the environment, to develop a process approach to the organisation of all activities for the collection of plastic waste in the city, district. In addition, the application of the proposed approach allows to obtain economic benefits for companies through the sale of secondary resources for the processing of plastic waste, as well as to reduce the negative impact on the environment. Originality/ Value: The originality of the research and its value lies in a new scientific formulation of the problem of reducing environmental pollution from plastic waste through the use of business processes in the field of plastic recycling and digital solutions, as well as the possibility of practical application of the results obtained in the field of green economy.

Japan’s experience in organizing and promoting separate accumulation of municipal solid waste (MSW)

The article considers the Japanese system of municipal solid waste management as well as work with the population in the field of environmental education. The roles and responsibilities of the parties in the management of municipal solid waste are analyzed. In Japan, unlike other countries, the state is deeply involved in the process. Sorting and disposal of waste occur at the municipal level due to the historical characteristics of the Japanese society. Extended producer responsibility requires their participation from product development to disposal, and consumers are required to cooperate with them and local authorities by properly disposing solid waste.The regulatory framework in the field of MSW management is built around the Basic Act on Establishing a Sound Material-Cycle Society and the Law for Promotion of Effective Utilization of Resources, which formulates the 3R strategy, aimed at Reducing, Reusing, and Recycling of waste. An analysis of recently adopted documents, the Plastic Resource Circulation Act of 2021 in particular, demonstrates that special emphasis is placed on 2R: waste reduction and reuse, which is successfully achieved thanks to the high level of environmental awareness of Japanese citizens and thoughtful and multifaceted educational work with the population.Over the past decade, Japan has seen a steady reduction of municipal solid waste. However, while remaining one of the world leaders in the field, it is currently faced with a number of difficulties, such as a low recycling rate and a significant volume of incinerated waste. It is concluded that significant progress in this area is impossible without clearer goal setting for the volume of solid waste processing that would meet modern world standards.

The Relationship Between Knowledge and Attitudes and Waste Management Behavior at SMPN 31 Medan

Introduction: Indonesia does not yet have an appropriate waste processing system to deal with the increasing amount of various types of waste, and awareness regarding waste processing has become an important topic in the academic environment, especially among students. Objective: This study aims to determine the relationship between knowledge and attitudes and solid waste processing behavior in students at SMPN 31 Medan. Method: This research uses quantitative descriptive methods to describe and analyze certain characteristics with a student population of 459 and a sample of 82 students. Results: The research results show a significant relationship between students' knowledge and behavior towards waste processing with a p-value of 0.014, and there is a significant relationship between students' attitudes and student behavior towards waste processing with a p-value of 0.018. Conclusion: from the results above, it is concluded that knowledge and attitudes play an important role in waste processing behavior at SMPN 31 Medan. Good knowledge about waste processing can influence human behavior in disposing of waste, while a positive attitude towards waste sorting is also related to good behavior in sorting waste. Suggestion: It is hoped that all teaching staff will increase supervision, and students are also expected to comply with applicable rules and regulations and display a good attitude towards the environment.

Tropical fruit‐derived starch: An innovative strategy for high‐value nutritional processing of agricultural solid waste

AbstractTropical fruits are popular worldwide due to their appealing flavors and diverse health benefits. However, a significant amount of waste is caused by inferior fruits that are partly eliminated from the fresh fruit market and by‐products produced during transportation, storage, and processing. With increasing focus on environmental sustainability and resource conservation, recycling waste resources from tropical fruits has emerged as a hot topic of interest. Fruit‐derived starch is an emerging approach to adding value for some tropical fruit waste and inferior fruits. This review article briefly overviews extraction methods, chemical composition, structural characteristics, physical and chemical properties, physiological benefits, modification techniques, and potential applications of new tropical fruit‐derived starch. Compared with traditional starch, tropical fruit‐derived starch exhibits unique structural and processing attributes, making it suitable as a supplement or replacement for industrial starch in the food industry. Moreover, tropical fruit‐derived starch retains the rich nutrients and functional components present in fruits to some extent, thereby offering potential health benefits and greater consumer acceptance. Although current research on starch derived from tropical fruits is primarily at the laboratory stage, and there is limited exploration of its processing and application, evolving lifestyle trends and heightened health awareness are expected to foster its further development and utilization, paving the way for large‐scale commercialization and driving future market growth.

Laboratory-scale simulation study of pyrolysis process in a fixed-bed gasifier for municipal solid waste pellets: Effects of temperature distribution and residence time

In this study, stepwise heating pyrolysis was designed to simulate the pyrolysis process of municipal solid waste (MSW) pellet in an updraft fixed bed gasifier at a laboratory scale. Differences in pyrolysis product between fixed bed stepwise heating pyrolysis (FBS, ranging from 300 °C to 800 °C) and continuous heating pyrolysis (FBC, maintained at 800 °C) were revealed. The impact of residence time at various temperature ranges on MSW pyrolysis was also investigated. Results indicated that compared to FBC, the gas yield of FBS decreased by 30.74%, while its liquid yield increased by 11.96%. It was primarily due to the lower heating rate reduced the secondary conversion of aliphatic hydrocarbons, oxygenated compounds, and monoaromatic hydrocarbons (MAHs) within liquid products. In addition, the composition of MSW pyrolysis products was changed by adjusting the residence time. Maintaining a uniform residence time of 5min for MSW pellets at each temperature was considered optimal for gas yield, which was mainly attributed to the enhanced cracking of long-chain aliphatic and polycondensation of MAHs and polycyclic aromatic hydrocarbons (PAHs). Besides, the volatiles (C- and O-containing compounds) of the char were almost completely released. The underlying influence mechanism of residence time on the pyrolysis behavior of MSW was also proposed, which could provide insights for the implementation of MSW gasification.

Production and Characterization of Porous Anorthite Ceramics Using Sugar Process Solid Waste, Chamotte and Coal Powder Additives

Press filter cake is a solid waste produced during sugar production process and includes carbonates and organic components. In this study, coal powder in different percentages (from 10 wt.% to 50 wt.%) was mixed with 35 wt.% press filter cake and 65 wt.% chamotte composition to produce porous anorthite ceramic products with different apparent porosity percentages. The anorthite phase was observed as the dominant crystalline phase in all fired samples. The firing shrinkage values sharply increased after adding higher than 40 wt.% coal powder to composition. In addition, apparent porosity values were changed from 49% to 70%. Compressive strength values reduced from 18 MPa to 1.73 MPa while percentages of ground coal were increasing. Microstructural analysis also showed that the porosity values of the sintered samples showed important changes depending on the amount of coal additive. The thermal conductivity values showed a reduction from 0.113 W/mK to 0.064 W/mK while increasing the percentage of ground coal. Micro-computed tomography (Micro CT) analysis was performed for 40wt. % coal powder added composition and the total porosity value was found as 60.2%.

Selecting the Suitable Landfill Location for Efficient Waste Management in Udham Singh Nagar District, Uttarakhand: A Geospatial and Multi-Criteria Approach

The effective management process of solid waste is a pressing concern in Udham Singh Nagar district, where approximately 245 metric tons of waste is generated daily. To address this issue, it is essential to identify suitable landfill sites. This research aims to identify optimal sites for waste disposal in the district by combining the capabilities of Geographic Information Systems (GIS) and Multi-Criteria Decision-Making (MCDM) techniques. A total of ten key factors were evaluated and prioritized according to their respective significance. A comprehensive analysis was conducted using theses parameters, including distance from road networks, rivers, railroads, sensitive area, geology, slope, elevation, population density, soil and land use/land cover (LULC). The study area was categorized into four suitability zones: high, moderate, low, and very low, representing 43.22%, 16.09%, 28.16%, and 12.53% of the area, respectively. The locations were selected based on the optimal distances considered for efficient waste management. The final results were validated using a receiver operating characteristic (ROC) curve, which utilized a randomly selected set of 50 potential landfill site locations. The analysis demonstrated good accuracy, with the area under the curve (AUC) indicating that 84% of the results effectively validated the spatial analysis. To achieve sustainable solid waste management, planners should consider implementing alternative strategies such as source reduction, composting, sanitary landfills, and public awareness programs. The resulting map provides potential sites for landfilling waste, which can aid urban planners and authorities in implementing effective urban waste management strategies.

Synthesis of pH-responsive fluorescent carbon dots using waste leather scrap for anti-counterfeiting

The fabrication of carbon dots (CDs) with biomass materials has become one of the research hot spots. Waste leather scrap (WLS) has been proven to be practicable for the preparation of CDs with simple fluorescence properties for anti-counterfeiting because of their cheap and environmentally responsible characteristics. For a more complex and harder imitation of anti-counterfeiting, stimuli-responsive CDs with WLS as raw material are urgently needed. Herein, acid-responsive fluorescent carbon dots (L-CDs) and alkaline-responsive fluorescent carbon dots (H-CDs) were prepared from WLS via a simple one-step solvothermal/hydrothermal method with emission wavelengths of 457 nm and 549 nm, respectively. When decreasing or increasing the pH value, their emission wavelengths change to 633 nm and 424 nm, respectively. The CDs are highly fluorescence reversible (20 times) in a broad pH region. The detailed results indicated that CDs have the structure of graphite carbon and possess wealthy chemical groups, like CO, –OH, C–N, etc. These are the main reasons for the change of emission wavelength. Due to the stable pH-responsiveness, the CDs were employed as fingerprint, ink, and figure code in anti-counterfeiting. The pH-responsive fluorescent CDs using WLS for anti-counterfeiting enrich the process of solid waste with a sustainable, cost-effective method for practical applications.

Evaluation of optimal technology for the sustainable processing of municipal solid waste employing MINLP model: a case study of Pakistan

Evaluation of optimal technology for the sustainable processing of municipal solid waste employing MINLP model: a case study of Pakistan

Study on the mechanism of copper and arsenic separation in copper smelting acidic solution by arsenic sulfide residue

A large amount of acidic solution containing arsenic and copper is produced in the hydrometallurgical treatment process of arsenic-containing solid waste in copper smelting. It is necessary to develop an economical and efficient separation technology of arsenic and copper from the solution. In this paper, according to the difference of solubility product between As2S3 and CuS, arsenic sulfide residue (ASR) was used as copper precipitant to realize the efficient separation of copper and arsenic in acidic solution, so as to achieve the purpose of “treating waste with waste”. It is found that the copper precipitation reaction is a more sensitive reaction. With the increase of temperature and time, the precipitation efficiency of copper first increases and then decreases, mainly because CuS will react with AsO43- in the solution, and then re-dissolution occurs. With the increase of pH value, As and Fe precipitate, resulting in incomplete separation of Cu and As. Under the optimum conditions, the precipitation efficiencies of Cu, Sb, Cd, Fe and Zn reached 97.39 %, 46.31 %, 2.04 %, 2.59 % and 0.65 %, respectively. The content of Cu in the precipitated residue reaches 50.47 wt%. The precipitated residue can be used as raw material for copper smelting.

High-efficiency metal-free CO2 mineralization battery using organic redox catalysts

CO2 batteries offer a promising avenue for mitigating CO2 emissions and conversion, but encounter challenges such as high costs, dendrite, corrosion, flooding and slow kinetics stemming from the use of metal electrodes. CO2 mineralization is thermodynamically favorable (ΔGCO2), presenting an opportunity for processing solid waste and reducing CO2 emissions while potentially producing energy. However, the lack of direct electron transfer in the CO2 mineralization reaction hinders the direct generation of electrical energy. Here, we propose an organic CO2 mineralization battery (OCMB) without using metal, which efficiently harnesses CO2 to mineralize solid waste carbide slag, maximizing the recovery of mineralization reaction energy to generate electricity and produce carbonate products, without requiring renewable electricity charging. We employ a high-solubility, stable under strong alkaline conditions, and fast kinetics organic phenazine derivative—DSPZ as the electron and proton carrier, which facilitates the conversion of ΔpH between electrodes by interacting with alkaline wastes and CO2 into electricity. Simultaneously, the OCMB undergoes regeneration cycles through mineralization reactions. The theoretical model predicted the open circuit voltage (OCV) and discharge behavior of OCMB, offering insights for improved battery engineering. We demonstrate an impressive peak power density exceeding 227.5 W/m2 for the OCMB, with an estimated electricity production of ∼ 178.03 kWh per ton of CO2 mineralization. This research underscores the potential integration of OCMBs into CO2 energy systems, waste treatment processes, and chemical production, offering both economic and environmental benefits.

Predictive analysis of methane-enhanced conversion of organic waste into sustainable fuel: A machine learning approach

Currently, methane-assisted biomass-to-fuel (M-BtF) processes are being introduced, which are of considerable importance due to the production of an environmentally friendly fuel. Due to the lower price, natural gas can address a stronger potential compared to hydrogen and nitrogen under pyrolysis and bio-oil upgrading processes. Based on this, it seems vital to evaluate such a clean fuel production process from the standpoints of the life cycle analysis (LCA) and techno-economic assessment to exhibit the economic feasibility and environmental superiority. This article aims to utilize machine learning (ML) to predict the yield of organic solid waste, evaluate its economic feasibility, and investigate the environmental sustainability of the valorization of a methane-assisted organic solid waste process. The study employs an artificial neural network (ANN) model with a semi-automatic tuning procedure to forecast the yield of bio-oil, based on biomass characterization. This approach eliminates the need for pilot plant trials for new types of biomass to determine process yields before industrial scale-up. The ANN model demonstrated a high prediction accuracy, achieving an R2 (coefficient of determination) value higher than 0.82. The simulation results, derived from the ML predictions, were then employed in the techno-economic analysis and LCA, where they were compared with other commercial processes for economic viability and environmental impact assessments. The minimum selling price for the renewable diesel was calculated as 3.45 US$/gallon, which is notably competitive, being around 26 % lower than the average minimum selling price observed in relevant publications. Based on Monte Carlo simulation, the plant's internal rate of return (IRR) remained above 50 % across various discount rates, suggesting a highly profitable investment. From LCA results, the proposed method was found to emit ∼ 67 % less greenhouse gases (GHG) compared to standard commercial processes. Overall, the study showcases how the integration of machine learning into process simulation can lead to both economically and environmentally beneficial outcomes, particularly in the context of renewable energy production.

Cost-Effectiveness of Decentralized Solid Waste Management Method as Compared to the Centralized Method Implemented Through Urban Local Government in Tirunelveli City, Tamil Nadu, India

Objective: To compare the cost-effectiveness of a newly introduced decentralized method with the existing centralized solid waste management (SWM) method in 2019 in Tirunelveli City, Tamil Nadu, India. Materials and Methods: A cross-sectional study was undertaken to compare the costs for the two SWM methods using the bottom-up approach. We ascertained cost centers for the collection, transportation, and processing of solid waste for the two methods. We reviewed the records and collected data to estimate the costs and outputs (waste processed per capita) of the two SWM methods using data abstraction forms for each identified cost center. We calculated the cost and outcome of both methods and the incremental cost-effectiveness ratio (ICER). Results: The total cost for the decentralized method was ₹121 million (USD 1.72 million), and that of the centralized method was ₹222 million (USD 3.15 million). The cost per capita of SWM in one year was lesser for the decentralized (₹526) as compared to the centralized method (₹612). The cost per metric tonne (MT) of SWM in decentralized and centralized methods was ₹5595 and ₹4683, respectively. The ICER lies in the right lower quadrant (ICER: 1.2375), indicating that the decentralized method was cost-effective. Conclusion: Solid waste processing by the decentralized method is cost-effective as compared to the centralized processing method in terms of waste processed per capita. We recommend the civic bodies to adopt the decentralized method with sufficient allocation of resources for efficient SWM. Furthermore, this will not only reduce greenhouse gas emissions but also have a positive impact on climate change mitigation.

Processing Solid Waste from Cabbage Vegetables and Cow Rumen Contents into Liquid Organic Fertilizer (LOF) in Semangat Village, Merdeka District, Karo Regency

The manufacture of Liquid Organic Fertilizer (LOF) has been carried out with simple methods and equipment in the Semangat Village, Merdeka District, Karo Regency. LOF is made by utilizing waste produced by farmers at the time of post-harvest vegetables such as cabbage, cabbage, carrot leaves and other vegetables. These vegetables can be used because 90% is a liquid. The chopped cabbage waste is mixed with cow rumen and fermented for two weeks, the resulting leachate is fermented again by adding coconut water and LOF is produced which is ready to be used by farmers. With this LOF, farmers can be helped in reducing chemical fertilizers which are quite expensive, so that the costs needed by farmers are less and LOF can increase nutrients in the soil.

Identifying reliable microbial indicators in anaerobic digestion of organic solid waste: Insights from a meta-analysis

The identification of microbial indicators holds significant promise for detecting key challenges of anaerobic digestion, driving microbial management. In order to be considered reliable, microbial indicators must possess certain features, such as universality, significant abundance changes under stressful conditions, and the ability to predict CH4 yield. To investigate the performance of microbial indicators, a meta-analysis was conducted on 178 publicly available 16 S rRNA gene sequences from 12 studies that examined the anaerobic digestion process of organic solid wastes. The analysis identified key taxa that achieved microbial indicator features through two different approaches: whole community and core microbiome analysis. The alpha diversity analysis indicated that a specialized genus-level microbial community with a high number of sOTUs was crucial for achieving high CH4 yield. Aminobacterium, Clostridium, HA73, T78, Corynebacterium, Lactobacillus, and Prevotella exhibited a higher number of microbial indicators attributes, including a significant response in their abundance and predictive capability for CH4 yield, along with relevant metabolic roles associated with inhibitory compounds. Among them, Corynebacterium, Lactobacillus, and Prevotella demonstrated robust fold-change features to increase the likelihood of successful categorization and, Aminobacterium, Clostridium, HA73, and T78 showed universality, suggesting easy detection across various anaerobic digestion processes. Understanding the advantages and drawbacks of reliable microbial indicators and considering their features will aid in the selection of appropriate detection techniques, offering valuable insights for future validation and implementation for AD processes improvement or control.

GARBAGE COLLECTOR USING ARDUINO

The amount of Solid waste that is being produced through our everyday activities is huge and is getting unmanageable day by day. This is mainly due to increasing population leading to haphazard dumping and increasing transportation costs with already few cost-effective methods to treat the solid waste. According to an estimate in 2016, 277 million tons of solid waste is produced by India every year. It is also projected to increase to 387 million tons by 2030 and 543 million tons by 2050. The very first method involved in the Solid Waste Management is sorting of waste which simplifies the further procedure as to what to do with the waste i.e., should it be treated thermally, biologically or dumped. Improper segregation of solid waste and segregation at secondary levels of waste management is only going to delay the waste management process and sometimes even lead to inappropriate dumping. This project suggests a way to deal with segregation process so as to make the whole solid waste management easier and more efficient. Automatic Waste Segregation system provides a practical segregation process of solid waste into metal waste, dry waste and wet waste at the primary level right where the waste is being generated. An Automatic Waste Segregator with simpler mechanism than that of previous models is designed and a detailed methodology of the working of the segregation process is provided. Selection of the required equipment has been mentioned. This project aims at segregating the waste produced at the primary level and reducing the burden at secondary levels and cost of transportation of the waste. The results obtained after testing the Automatic Waste Segregator with wastes proved to be functional and can be comfortably relied upon to segregate the wastes.

СТРАТЕГІЧНЕ УПРАВЛІННЯ ІНВЕСТИЦІЙНОЮ ДІЯЛЬНІСТЮ НА ПІДПРИЄМСТВАХ З ПЕРЕРОБКИ ТВЕРДИХ ПОБУТОВИХ ВІДХОДІВ

The article demonstrates that Ukraine faces significant challenges in the management of solid household waste. These issues include the absence of a clear waste disposal strategy and insufficient attention to environmental safety. Most landfills in Ukraine fail to meet safety standards and environmental norms, posing a threat to the surrounding environment. Effective resolution of these problems involves the implementation of advanced solid household waste processing technologies and the improvement of waste management systems to ensure sustainable resource utilization and reduce negative environmental impact. The prospects for the development of enterprises involved in solid household waste processing are discussed, including societal awareness of environmental pollution issues and the need for protection, legislative initiatives aimed at reducing waste volumes, and technological progress enabling the creation of new products from recycled waste while minimizing environmental impact. It is argued that the development of this sector can stimulate investments and contribute to the creation of new jobs in the environmental economy. It is argued that effective strategic management of investment activities in enterprises dealing with solid household waste processing is a crucial factor in their successful development and achieving competitive advantage in the market. It is demonstrated that based on the analysis of the enterprise’s needs and opportunities, an investment strategy should be developed to align with strategic goals and enhance its competitiveness. This strategy involves optimal resource utilization to ensure sustainable development and maximize financial results. The main stages of developing and implementing the investment management strategy in enterprises dealing with solid household waste processing include market and needs analysis, selection of investment directions, evaluation of investment projects, development of an investment plan, implementation of investment projects, monitoring and control, evaluation of results, and strategy adjustment. It is proposed that for maximum effectiveness, these stages of the strategy should be implemented comprehensively.

Stabilization of heavy metals in solid waste and sludge pyrolysis by intercalation-exfoliation modified vermiculite

Increasing amounts of solid waste and sludge have created many environmental management problems. Pyrolysis can effectively reduce the volume of solid waste and sludge, but there is still the problem of heavy metal contamination, which limits the application of pyrolysis in environmental management. The intercalated-exfoliated modified vermiculite (IEMV) by intercalators of sodium dodecylbenzene sulfonate, hexadecyltrimethylammonium bromide and octadecyltrimethylammonium bromide were used to control the release of Cd, Cr, Cu, Zn and Pb during pyrolysis process of sludge or solid waste. The retention of heavy metals in sludge was generally better than that in solid waste. The IEMV by octadecyltrimethylammonium bromide as the intercalator calcined 800 °C (STAB-800) was the best additive for heavy metal retention, and the retention of Cr, Cu and Zn was significantly better than that of Pb and Cd. Cr, Cu, Zn and Pb were at low risk, while Cd had considerable risk under certain circumstances. New models were proposed to comprehensively evaluate the results of the risk and forms of heavy metals, and the increasing temperature was beneficial in reducing the hazards of heavy metals by the addition of STAB-800. The reaction mechanism of heavy metals with vermiculite was revealed by simulation of reaction sites, Fukui Function and Frontier Molecular Orbital. Thermal activation-intercalated-exfoliated modified vermiculite (T-IEMV) is more reactive and had more active sites for heavy metals. Mg atoms and outermost O atoms are the main atoms for T-IEMV to react with heavy metals. The Cr, Cu and Zn have better adsorption capacity by T-IEMV than Pb and Cd. This study provides a new insight into managing solid waste and sludge and controlling heavy metal environmental pollution.

ANALISIS KUAT TEKAN BETON MODIFIKASI POLYETHYLENE TEREPHTHALATE (PET)

Concrete is one of the most commonly used materials in the world of construction, both simple and complex. Concrete is the most widely used construction material as a building material so it is necessary to know the classification and characteristics of the material or construction material to be used. The use of waste in concrete mixtures is a trend in the development of concrete today because it helps reduce environmental pollution, by utilizing and processing solid waste generated by industrial waste and municipal waste, as well as reducing the use of natural materials which are increasingly limited in number. The most abundant waste is polyethylene terephthalate (PET) plastic. Therefore, it is necessary to use PET plastic as an effort to create an alternative technology that is innovative enough to improve the quality of concrete by using fiber concrete. So this research method uses variations of PET as much as 0.1%; 0.25%; and 0.4% as a substitute for some fine aggregates. The plastic was cut or chopped with a length of 5 cm and a width of 1-3 mm. The results showed that concrete with PET plastic fiber increased up to 12.96% compared to normal concrete.