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Waste Management and Research

Resumen/Descripción – provisto por la editorial en inglés
Waste Management & Research (WM&R) publishes articles relating to both the theory and practice of waste management and research. Published on behalf of the International Solid Waste Association (ISWA) topics include: wastes (focus on solids), processes and technologies, management systems and tools, and policy and regulatory frameworks, sustainable waste management designs, operations, policies or practices.
Palabras clave – provistas por la editorial

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Disponibilidad
Institución detectada Período Navegá Descargá Solicitá
No detectada desde feb. 1999 / hasta dic. 2023 SAGE Journals
No detectada desde ene. 1983 / hasta dic. 1997 ScienceDirect

Información

Tipo de recurso:

revistas

ISSN impreso

0734-242X

ISSN electrónico

1096-3669

Editor responsable

SAGE Publishing (SAGE)

País de edición

Estados Unidos

Fecha de publicación

Tabla de contenidos

Application of machine learning algorithms in municipal solid waste management: A mini review

Wanjun XiaORCID; Yanping Jiang; Xiaohong Chen; Rui Zhao

<jats:p> Population growth and the acceleration of urbanization have led to a sharp increase in municipal solid waste production, and researchers have sought to use advanced technology to solve this problem. Machine learning (ML) algorithms are good at modeling complex nonlinear processes and have been gradually adopted to promote municipal solid waste management (MSWM) and help the sustainable development of the environment in the past few years. In this study, more than 200 publications published over the last two decades (2000–2020) were reviewed and analyzed. This paper summarizes the application of ML algorithms in the whole process of MSWM, from waste generation to collection and transportation, to final disposal. Through this comprehensive review, the gaps and future directions of ML application in MSWM are discussed, providing theoretical and practical guidance for follow-up related research. </jats:p>

Palabras clave: Pollution; Environmental Engineering.

Pp. 0734242X2110337

Combining multi-criteria decision analysis with GIS approaches for decentralized organic wastes composting plants site selection in Tiassalé, Southern Côte d’Ivoire

Dotanhan YeoORCID; Kouassi Dongo; Eliachie Larissa Eméline Angoua; Adeline Mertenat; Phillipp Lüssenhop; Christian Zurbrügg; Ina Körner

<jats:p> In recent years, decentralized composting appeared as one of the most appropriate treatment options for organic waste valorization in low- and middle-income countries. In Cote d’Ivoire, a pilot project has proved the feasibility of organic municipal solid waste composting for the city of Tiassalé. However, numerous issues still need to be addressed for the establishment of a sustainable decentralized composting system in this city. One of the key issues is site selection. Until now, there is no clear model for such plant site selection. In this study, multi-criteria decision analysis (MCDA) and geographical information system (GIS) approaches were combined to develop an appropriate model for selecting decentralized composting sites in the city of Tiassalé. The methodology used involved two different and complementary phases. First, MCDA and GIS techniques were used to identify the most suitable site areas. Seven criteria clustered in three main factors (environmental, social and economic), and five constraints were considered in the analysis process. Second, five sites were selected within the most suitable areas after a basic field visit and ranked using the Analytic Hierarchy Process. The results showed that the most suitable spaces for decentralized composting plant siting represent only 2.6% of the study area. The investigation yielded on the selection of the two best options for decentralized composting plant siting for the city of Tiassalé. This study proved that the combination of MCDA and GIS is a practical and efficient method to identify suitable sites for decentralized composting plants. </jats:p>

Palabras clave: Pollution; Environmental Engineering.

Pp. 0734242X2110381

Best practice for bio-waste collection as a prerequisite for high-quality compost

Henning FriegeORCID; Yasmin Eger

<jats:p> Due to its high content of humic substances, compost from bio-waste improves the structure and fertility of soils serving also as a sink for CO<jats:sub>2</jats:sub>. But compost is also contaminated with numerous compounds, for example, plastics, glass particles, etc., mostly due to incorrect sorting by the waste producer, that is, households. The contamination even increases when covering areas of a high population density as is also evident from experience in Germany with a steadily increasing proportion of bio-waste. Only compost with high quality and minimum contamination is an acceptable fertilizer. A structured interview of experts investigated which measures or combinations of measures are best suitable to reduce the rate of misplaced materials in the organic waste. Only responsible persons were interviewed whose municipalities extensively collect separately bio-waste since years and have a low rate of unwanted materials. The questions focus on the identification of the misplacements according to their kind and quantity, the respective collection system, the regional statutes and their enforcement as well as the kind and extent of public awareness measures. The respective necessary measures are being discussed. This systemic approach can be transferred to other regions that intend to collect large quantities of bio-waste separately. </jats:p>

Palabras clave: Pollution; Environmental Engineering.

Pp. 0734242X2110337

Efficient supervision strategy for illegal dumping of construction and demolition waste: A networked game theory decision-making model

Chenyu LiuORCID; Chunxiang Hua; Jianguo Chen

<jats:p> While the construction industry has brought substantial economic benefits to society, it has also generated substantial construction and demolition waste (CDW). Illegal dumping, which refers to dumping CDW in an unauthorized non-filling location, has become widespread in many countries and regions. Illegally dumping CDW destroys the environment, causing groundwater pollution and forest fires and causing significant economic impacts. However, there is a lack of research on the decision-making behaviours and logical rules of the main participants, construction contractors and the government in the illegal CDW dumping process. This paper constructs an evolutionary game model on a small-world network considering government supervision to portray the decision-making behaviours of illegal dumping participants and conducts a numerical simulation based on empirical equations to propose an effective supervision strategy for the government to manage illegal CDW dumping efficiently. It is found that the illegal dumping behaviours of contractors are mainly affected by the intensity of government supervision, the cost of fines and the income of illegal dumping; while for government, a supervision strategy is found to be necessary, and a supervision intensity of approximately 0.7 is the optimal supervision probability given supervision efficiency. Notably, under a low-level supervision probability, increasing the penalty alone does not curb illegal dumping, and a certain degree of supervision must be maintained. The results show that in addition to setting fines for illegal dumping, the government must enforce a certain level of supervision and purify the market environment to steadily reduce illegal dumping. </jats:p>

Palabras clave: Pollution; Environmental Engineering.

Pp. 0734242X2110320

Application of a ‘Recycling Exchange’ instrument to compensate waste pickers in Brazil via a first payment for urban environmental services programme

Alice Libânia S DiasORCID; Lisete Celina Lange; Aline Souza Magalhães

<jats:p> This article presents an approach to compensate waste pickers in the informal sector of Minas Gerais state, Brazil, via a Payment for Urban Environmental Services (PUES) instrument, called ‘Recycling Exchange’. The aim is to evaluate the effects of this instrument on the amount of waste diverted from landfill and reintroduced into the production chain, and to increase recognition of waste pickers’ contributions to the state’s economy. It was found that the ‘Recycling Exchange’ met the fundamental objectives of a PUES: the double social and economic benefits of the social inclusion of waste pickers in the execution of the public policy for solid waste management, and inducing (in the case of glass), ensuring and stabilising (plastic and paper) continuity of the activity of selling recyclables in times of wide price fluctuations for these recyclables. The instrument enhanced the provision of this environmental service and the positive externalities associated with recycling. </jats:p>

Palabras clave: Pollution; Environmental Engineering.

Pp. 0734242X2110612