Solid Waste Management

Dear Colleagues,

The Topic “Solid Waste Management”, includes all kinds of solid waste: municipal, industrial, commercial, street, bulky, agricultural, sludge (not only sewage sludge), all kind of low or high energy content fuels from solid and liquid waste: new and conventional, etc. (e.g., refuse derived fuel, solid recovered fuel, bio-methane, etc.). Regarding their management, this topical issue deals with aspects from the cradle (generation and collection) to disposal/use/reuse etc.: thus, it includes also residues from raw materials generated by the treatment of selective collection streams and from the different steps needed for the production of conventional and innovative fuels. All the conventional and innovative ways to treat/use the above-mentioned wastes and their residues as main or second materials are part of this topic: starting from landfill mining, biological and thermal ones but also the new ones (HTC), single or combined, already approved or in a research or developing stage represents main keys of this topic. The environmental, economic, human health issues connected with the management of these wastes are also subject to be developed and presented in the topic papers. Public perception, safety and development strategies for each step of the of entire waste management represents also one of the main subject of this issue. The topic is open to every context: low income, medium income, and high income countries. Articles on both hazardous and non-hazardous waste will be accepted for peer review. Review papers will be considered if suitable to give a really comprehensive vision of one or more aspects of waste management. Sustainability and circular economy are expected to be the core of most of the proposed articles. Sustainability will be seen not only from the environmental point of view; economic and social sustainability in waste management have the same importance. The single options of treatment will be analyzed both zooming on the processes and analyzing technological aspects. Articles on COVID-19 and waste management are welcome to help the sector to face with the present and future pandemics.

Prof. Dr. Elena Rada
Prof. Dr. Marco Ragazzi
Dr. Ioannis Katsoyiannis
Prof. Dr. Elena Magaril
Prof. Dr. Paolo Viotti
Prof. Dr. Hussain H. Al-Kayiem
Dr. Marco Schiavon
Dr. Gabriela Ionescu
Dr. Natalia Sliusar
Topic Editors

Deadline for abstract submissions: 31 October 2022.
Deadline for manuscript submissions: 31 December 2022.

Topic Board

Dr. Elena Rada
E-Mail Website
Topic Editor-in-Chief
Theoretical and Applied Science Department - DiSTA, Insubria University, Via G.B. Vico, 46 – Varese I – 21100, Italy
Interests: environmental pollution; circular economy; waste and wastewater management; human health; renewable energy; interdisciplinary approaches for environmental management
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Marco Ragazzi
E-Mail Website
Topic Associate Editor-in-Chief
Department of Civil, Environmental and Mechanical Engineering (DICAM), University of Trento, 38123 Trento, Italy
Interests: waste management; air quality; renewable energy; environmental sustainability; circular economy
Special Issues, Collections and Topics in MDPI journals
Dr. Ioannis Katsoyiannis
E-Mail Website
Topic Associate Editor-in-Chief
Department of Chemistry, Laboratory of chemical and environmental Technology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
Interests: water treatment processes for removal of inorganic and organic contaminants: role of sorption and oxidation in contaminant removal; design and application of novel sorbents; oxidation processes in drinking water treatment; wastewater treatment and reuse; solid waste management
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Paolo Viotti
E-Mail Website
Topic Editor
Department of Civil and Environmental Engineering, Sapienza University of Roma, 00184 Roma, Italy
Interests: soil and groundwater remediation; numerical modelling of dispersion process in soils and groundwaters; wastewater treatment; air pollution; solid waste management
Prof. Dr. Hussain H. Al-Kayiem
E-Mail Website
Topic Editor
Department of Mechanical Engineering, University Teknologi Petronas, 32610 Perak, Malaysia
Interests: renewable energies; energy technology; thermofluids
Dr. Marco Schiavon
E-Mail Website
Topic Editor
Department of Civil, Environmental and Mechanical Engineering, University of Trento, 38123 Trento, Italy
Interests: municipal solid waste; air pollution; environmental contaminants; environmental impacts; emissions; air dispersion modelling
Dr. Gabriela Ionescu
E-Mail Website
Topic Editor
Departement of Energy Production and Use, Faculty of Power Engineering , University Politehnica of Bucharest, Splaiul Independenţei 313, Romania
Interests: integrated waste management; circular economy; waste to energy; renewable energy; energy and environmental sustainability; intermediate bioenergy carriers; environmental impact assessment
Special Issues, Collections and Topics in MDPI journals
Dr. Natalia Sliusar
E-Mail Website
Topic Editor
Department of Environmental Protection, Perm National Research Polytechnic University, 614990 Perm, Russia
Interests: waste management; waste sorting; landfill; circular economy; recycling; environmental monitoring

Keywords

  • circular economy
  •  sustainability
  •  environment
  •  social
  •  economic
  •  management
  •  waste
  •  solid
  •  COVID-19
  •  municipal
  •  special
  •  industrial
  •  commercial
  •  street waste
  •  bulky waste
  •  agricultural waste
  •  sludge
  •  collection
  •  treatment
  •  residue
  •  disposal
  •  recycling
  •  low income
  •  medium income
  •  high income
  •  hazardous
  •  non-hazardous
  •  RDF
  •  SRF
  •  source separation
  •  selective

Relevant Journals List

Journal Name Impact Factor CiteScore Launched Year First Decision (median) APC
Sustainability
sustainability
3.251 3.9 2009 17.64 Days 2000 CHF Submit
Energies
energies
3.004 4.7 2008 17.78 Days 2200 CHF Submit
Resources
resources
- 4.6 2012 19.61 Days 1600 CHF Submit
Recycling
recycling
- 4.3 2016 22.58 Days 1400 CHF Submit
Environments
environments
- 4.1 2014 20.21 Days 1500 CHF Submit

Published Papers (9 papers)

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Article
What Influences Consumers to Recycle Solid Waste? An Application of the Extended Theory of Planned Behavior in the Kingdom of Saudi Arabia
Sustainability 2022, 14(2), 998; https://0-doi-org.brum.beds.ac.uk/10.3390/su14020998 - 17 Jan 2022
Abstract
This extant study attempts to present a comprehensive predictive model for solid waste recycling behavior. Solid waste is a major environmental concern globally. Particularly, the kingdom of Saudi Arabia (KSA), being the larger gulf country in the Middle East is a major contributor [...] Read more.
This extant study attempts to present a comprehensive predictive model for solid waste recycling behavior. Solid waste is a major environmental concern globally. Particularly, the kingdom of Saudi Arabia (KSA), being the larger gulf country in the Middle East is a major contributor to solid waste. Consequently, this study was carried out to identify the motivational factors that consumers consider important for recycling their household waste. We extended the theory of planned behavior (TBP) and utilized actual behavioral variables such as resell, reuse, and donation. A structured questionnaire was carried out with 365 purposively selected respondents in the KSA. Among several other noteworthy findings consistent with previous studies, we found that reselling was the most significant factor of recycling behavior followed by donation. Further, the multi-group analysis (MGA) results reveal significant group differences in gender and age variables; the significance test indicates that the male group has much better pro-environmental behavior than the female group. In terms of age, our results showed that recycling intention and reselling behavior passed a significant test in the elderly group when compared to a younger group. This study has unique contributions and findings leading to practical implications for government authorities, businesses, and non-governmental organizations. The findings will particularly aid in increasing the recycling intention and behavior among household consumers. This research will guide in making laws and policies that can help to embrace the green challenges and boost recycling activities for a sustainable environment. Full article
(This article belongs to the Topic Solid Waste Management)
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Article
Chemical and Microbiological Air Quality in a Municipal Solid Waste Landfill and Its Surroundings, in South-Eastern Romania
Sustainability 2022, 14(1), 156; https://0-doi-org.brum.beds.ac.uk/10.3390/su14010156 - 24 Dec 2021
Abstract
The aim of this study was to assess the microbiological and chemical air quality in a municipal solid waste landfill and its inhabited surroundings, in a particular context in which Romania struggles with the incapacity to comply with its environmental commitments. The research [...] Read more.
The aim of this study was to assess the microbiological and chemical air quality in a municipal solid waste landfill and its inhabited surroundings, in a particular context in which Romania struggles with the incapacity to comply with its environmental commitments. The research was conducted on a landfill near the capital Bucharest between November 2018 and September 2019. To evaluate the chemical (oxygen, carbon dioxide, methane, hydrogen sulfide, ammonia and carbon monoxide–MX6 iBrid™ Détector multigas) and microbiological (airborne bacteria and fungi–aspiration method) parameters, eight sampling points were established, located both on the perimeter of the landfill and within its surroundings. CO and CH4 were not detected in any of the sampling points, during the study period; O2 was in normal values 20.09–21.05%; CO2 had a maximum average concentration of 620 ± 215; H2S had values between 0.1 and 5.0 ppm only in the sampling points inside the landfill; NH3 was present only once in a single sampling point with values between 1.0 and 3.0 ppm. The microbiological results provide an overview of the total plate count and total fungal count, with no significant differences between the level of contamination inside the landfill and within its surroundings (p > 0.05). Ten bacterial species and fungi from six genera have been identified. It was also found that the number of microorganisms in the air was significantly lower during the winter, spring and early summer months compared with the late summer and autumn months (p < 0.05). Full article
(This article belongs to the Topic Solid Waste Management)
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Article
Investigating Food Waste Recycling in Local Food Service Businesses: A Case Study from a Local Government Area in Australia
Sustainability 2021, 13(24), 13846; https://0-doi-org.brum.beds.ac.uk/10.3390/su132413846 - 15 Dec 2021
Abstract
Worldwide, over 1.3 billion tonnes of food goes to waste each year, and much of this is disposed of in landfill, which is costly to the economy and the environment. This study targeted food waste management in local food service businesses as the [...] Read more.
Worldwide, over 1.3 billion tonnes of food goes to waste each year, and much of this is disposed of in landfill, which is costly to the economy and the environment. This study targeted food waste management in local food service businesses as the third largest producer of food waste and a sector that has received less academic attention than other food waste producers (such as household food waste). Questionnaires and interviews were used to investigate current food waste management practices within food service businesses in a Local Government Area in Adelaide, South Australia. Twenty-two respondents completed the online questionnaire and three of these businesses also participated in an interview—two in-person at their business premises and one via an online teleconferencing system. It was found that 54% (n = 12) of these businesses have practices in place to recycle their food waste, while 46% (n = 10) do not. Insufficient kitchen space and the difficulty of separating food waste from non-compostable rubbish were reasons given for not recycling food waste, and the single most important factor that would encourage food waste recycling cited by businesses was the provision of a free, green organics bin. Motivations for recycling food waste included compassion for the environment and the desire to divert waste from landfill. These insights may help local government implement solutions to reduce food waste from entering landfill. Full article
(This article belongs to the Topic Solid Waste Management)
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Article
Sustainable Solid Waste Management Strategies for Higher Education Institutions: Diponegoro University, Indonesia Case Study
Sustainability 2021, 13(23), 13242; https://0-doi-org.brum.beds.ac.uk/10.3390/su132313242 - 30 Nov 2021
Abstract
Effective solid waste management strategies are recognized as efforts to achieve campus sustainability. The university campus is currently considered the center of various activities involving students, lecturers, staff, and other parties contributing to the consumption pattern of energy, water, and other resources. This [...] Read more.
Effective solid waste management strategies are recognized as efforts to achieve campus sustainability. The university campus is currently considered the center of various activities involving students, lecturers, staff, and other parties contributing to the consumption pattern of energy, water, and other resources. This study aims to estimate the quantity and compositions of waste generated on the Universitas Diponegoro (UNDIP) campus, identify the causes of waste generation, evaluate the relationships between variables through statistical analysis, and recommend possible strategies to reduce solid waste generation. The results show that the simultaneous contribution of the student-gender ratio, student awareness level, administrative staff background, and green space amounted to 67.7% of the waste generation at UNDIP. Therefore, these four factors need to be a concern for campus authorities in their efforts to handle campus waste. Student awareness in particular was determined to be the only factor that significantly affects solid waste generation. UNDIP may implement proper environmental education through sustainability courses in each faculty to reduce solid waste in higher education institutions since it has the most significant impact. Outcomes of this study could be used as a reference to develop sustainable campus strategies, recycling plans, and comprehensive waste management in higher education. Full article
(This article belongs to the Topic Solid Waste Management)
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Article
Experimental Quantification of the Lateral Mixing of Binary Solids in Bubbling Fluidized Beds
Energies 2021, 14(22), 7796; https://0-doi-org.brum.beds.ac.uk/10.3390/en14227796 - 22 Nov 2021
Abstract
A novel experimental method for the lateral mixing of binary solids in bubbling fluidized beds was developed based on the capacitance probe technique. The evolutions of local mixing ratios in a fluidized bed which can be assumed as one mixing cell were analyzed [...] Read more.
A novel experimental method for the lateral mixing of binary solids in bubbling fluidized beds was developed based on the capacitance probe technique. The evolutions of local mixing ratios in a fluidized bed which can be assumed as one mixing cell were analyzed in detail. The solids mixing within one mixing cell was resolved and the effect of convection and diffusion mechanism on lateral mixing was evaluated individually. The results show that at lower part of the fluidized bed, convection plays a more important role in the mixing process near the wall; meanwhile, diffusion is very important for the mixing around the center line. This is opposite with that at the higher part. A lateral micro dispersion coefficient was proposed to characterize the lateral mixing within the mixing cell and the value is generally between 0.005 and 0.025 m/s. A new mixing index was proposed to evaluate the lateral mixing quality of binary solids. It was found that at the lower part of the fluidized bed, the best mixing is acquired at the half radius, whereas mixing at the center line is the worst. At the higher part, solid mixing is better when increasing the distance from the wall. The influences of gas velocity and static bed on the lateral mixing were also discussed from a microscopic perspective. Full article
(This article belongs to the Topic Solid Waste Management)
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Article
Negotiations and Conflict in the Implementation of a Waste Pickers’ Cooperative: A Sociology of Translation Approach
Sustainability 2021, 13(22), 12889; https://0-doi-org.brum.beds.ac.uk/10.3390/su132212889 - 21 Nov 2021
Abstract
The complexity of converting political options into socially, economically, and environmentally acceptable strategies places collectors of recyclable material and the challenges they experience on the agendas of research in science, technology, and society. This article aims to investigate the negotiations and conflicts that [...] Read more.
The complexity of converting political options into socially, economically, and environmentally acceptable strategies places collectors of recyclable material and the challenges they experience on the agendas of research in science, technology, and society. This article aims to investigate the negotiations and conflicts that permeated the implementation of a waste pickers’ cooperative and its integration into the municipal solid waste management system. Considering the complexity of the theme, the methodological approach adopted was grounded theory. This method encourages the expansion of knowledge in an area through the connection of theoretical concepts and significant aspects of the actors’ experiences. The techniques applied for data collection included semi-structured interviews, participant observation, document analysis, and informal interviews. The results are based on narratives analyzed from concepts derived from the Sociology of Translation. It was possible to observe the efforts undertaken by multiple actors, sometimes in the construction and other times in the destabilization of a support network for the establishment of a cooperative. The network suffered dissidents and was destabilized by the habits of the original network and by unexpected events, which made the results achieved opposite to desired ones. In the end, the network was not stabilized, and municipal solid waste management was unchanged. Full article
(This article belongs to the Topic Solid Waste Management)
Article
Effects of Air Temperature and Humidity on the Kinetics of Sludge Drying at Low Temperatures
Energies 2021, 14(22), 7722; https://0-doi-org.brum.beds.ac.uk/10.3390/en14227722 - 18 Nov 2021
Abstract
In this study, a low-air temperature sludge drying system was constructed and the effects of temperature and relative humidity on the characteristics of the system were investigated. The results showed that the drying rate of sludge increased with an increase in air temperature [...] Read more.
In this study, a low-air temperature sludge drying system was constructed and the effects of temperature and relative humidity on the characteristics of the system were investigated. The results showed that the drying rate of sludge increased with an increase in air temperature and a decrease in the air’s relative humidity. The influence of temperature on the average drying rate exhibited an approximate quadratic distribution, while the influence of relative humidity on the average drying rate exhibited an almost linear distribution. The relationship equations of the average drying rate, temperature, and humidity were summarized and compared with the experimental results, and the maximum relative error was 7.6375%. By comparing the experimental results with the commonly used thin-layer drying models, it was found that the sludge drying characteristics were more consistent with the Midilli model. Based on the relevant parameters of the Midilli model, the relationship between the segmented drying moisture content and the average drying rate was proposed, and the empirical formula of the drying rate and MR under different conditions was fitted. Full article
(This article belongs to the Topic Solid Waste Management)
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Article
Applicability of Membranes in Protective Face Masks and Comparison of Reusable and Disposable Face Masks with Life Cycle Assessment
Sustainability 2021, 13(22), 12574; https://0-doi-org.brum.beds.ac.uk/10.3390/su132212574 - 14 Nov 2021
Abstract
In the COVID-19 pandemic period, the role of face masks is critical as a protective physical barrier to prevent droplets and filtrate exhalations coming from infected subjects or against various environmental threats, including the SARS-Cov-2 virus. However, the plastic and microplastic waste from [...] Read more.
In the COVID-19 pandemic period, the role of face masks is critical as a protective physical barrier to prevent droplets and filtrate exhalations coming from infected subjects or against various environmental threats, including the SARS-Cov-2 virus. However, the plastic and microplastic waste from the used face masks pollute the environment, cause a negative impact on human health and the natural ecosystem, as well as increase landfill and medical waste. The presented paper focuses on providing an overview of the application of membrane technology in face mask products as well as the development of protection mechanisms in the future. The authors performed an environmental analysis of reusable (cloth) masks and disposable masks (surgical masks and filtering facepiece respirators) using the Life Cycle Assessment methodology to assess the impacts on the environment, human health, and ecosystem. IMPACT 2002+ V2.14, ReCiPe 2016 Endpoint (H) V1.02, IPCC 2013 GWP 100a V1.03 methods were applied using specialized software (SimaPro V9.1). The disposable masks consistently provide higher protection, though they also carry several multiple environmental burdens. Conversely, reusable masks improve environmental performance, reduce 85% of waste, have a 3.39 times lower impact on climate change, and are 3.7 times cheaper than disposable masks. Full article
(This article belongs to the Topic Solid Waste Management)
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Article
Numerical Simulation of Combustion and Characteristics of Fly Ash and Slag in a “V-type” Waste Incinerator
Energies 2021, 14(22), 7518; https://0-doi-org.brum.beds.ac.uk/10.3390/en14227518 - 11 Nov 2021
Abstract
This study is focused on a “V-type” waste incinerator for municipal solid waste (MSW) combustion. Computational fluid dynamics (CFD) methods are used to study the MSW combustion process. The characteristics of fly ash and slag are analyzed by using a laser particle analyzer, [...] Read more.
This study is focused on a “V-type” waste incinerator for municipal solid waste (MSW) combustion. Computational fluid dynamics (CFD) methods are used to study the MSW combustion process. The characteristics of fly ash and slag are analyzed by using a laser particle analyzer, scanning electron microscope, X-ray fluorescence, and X-ray diffraction. The results show that the error between the CFD simulation data and measured data is less than 10%, and the changing trend of the combustion process is well-modeled. The fly ash mainly has an irregular spherical or ellipsoid structure, whereas the slag mainly has an irregular porous structure. The main constituents of the ash and slag are CaO and SiO2, along with heavy metal elements such as Cu, Pb, and Cr. Full article
(This article belongs to the Topic Solid Waste Management)
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