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Sustainable Solid Waste Management: Landfill Operation and Management
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Sustainable Solid Waste Management: Landfill Operation and Management

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: closed (31 October 2022) | Viewed by 5904

Special Issue Editors

Dr. Asif Ahmed

E-Mail Website
Guest Editor
College of Engineering, SUNY Polytechnic Institute, Utica, NY 13502, USA
Interests: geotechnical instrumentation and performance monitoring; sustainable infrastructure; transportation geotechnics; retaining structures; numerical modeling; geophysical testing; unsaturated soil mechanics; climate and seasonal effect on infrastructures; geotechnics of landfill
Special Issues, Collections and Topics in MDPI journals
Dr. Md Jobair Bin Alam

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, Prairie View A&M University, Prairie View, TX 77446, USA
Interests: sustainable waste management; waste containment systems of landfills; bioreactor landfill operation; geophysical testing for geoenvironmental engineering

Special Issue Information

Dear Colleagues,

World cities generate about 1.3 billion tonnes of solid waste per year, and this is expected to increase to 2.2 billion tonnes by 2025. The large volumes of waste being generated, alongside ineffective and unsustainable management practices, are having an unprecedented impact on the quality of life of individuals and on the environment in many developing countries. The major cities, whose responsibility it is to address these issues in order to create more livable cities, are unable to do so in a sustainable way for many different reasons. The primary problem—which is a huge challenge for those searching for ways to implement sustainable actions—is the public’s lack of understanding of the importance of solid waste management, particularly its impact on health and sanitation. Some of the middle- and lower-income countries also realize that the dynamic private sector, while present and actively participating in other infrastructure sectors of energy, transport, and water supply, is largely absent in the waste management business.

This Special Issue will cover the practice and progress in the areas of landfill operation and management, with emphasis on new technologies. The intention is to provide a holistic view of the latest landfill operation practices. The topics that will be covered include (but are not limited to) waste characterization, slope stability of landfill, leachate management, unsaturated flow analysis of leachate, biorector operation, life cycle assesment, education and training (including outreach), geophysical testing on the landfill, geotechnical aspects of the bottom liner design, evapotranspiration cover (ET) of landfill, final closure, UAV usage in solid waste operation, numerical modeling of landfill, and waste to energy.

We are seeking high-quality work in the form of original research articles, review papers, best practices, and case studies. Case studies are highly encouraged but should include a discussion of the lesson learned along with the uniqueness of the study.

All submitted articles should address the landfill-related practices, problems, and solutions that are of high interest to solid-waste practitioners.

Dr. Asif Ahmed
Dr. Md Jobair Bin Alam
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • landfill slope
  • leachate circulation
  • waste management
  • ET cover
  • numerical modeling

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Published Papers (2 papers)

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Research

19 pages, 5251 KiB  
Article
Effect of Sludge Content on the Decomposition of Different Types of Food Waste
by Mumtahina Binte Latif, Md Azijul Islam, Md Sahadat Hossain and Sehneela Sara Aurpa
Sustainability 2023, 15(3), 2782; https://doi.org/10.3390/su15032782 - 3 Feb 2023
Cited by 1 | Viewed by 2113
Abstract
Food waste, which is the second largest component in landfills, generates excessive amounts of leachate and greenhouse gas. As a result, it has recently become a severe concern, mostly in the developing countries for its adverse impact on the environment. The addition of [...] Read more.
Food waste, which is the second largest component in landfills, generates excessive amounts of leachate and greenhouse gas. As a result, it has recently become a severe concern, mostly in the developing countries for its adverse impact on the environment. The addition of nutrients to organic waste limits the accumulation of volatile fatty acid (VFA) and accelerates the production of energy from food waste. The objective of the current study is to find out the effects of sludge addition on the decomposition and gas generation of separate components of food waste. This study was conducted for four combinations of reactors: two pairs containing meat and grain with the addition of a sludge content of 20% and 30%, respectively, as inoculum; another two pairs of reactors containing fruits and vegetables with a sludge content of 20% and 30%, respectively. Over the operation period, pH, volume, COD, and VFA tests were conducted for leachate while composition and volume measurements were done for the generated gas. Based on the results, it is observed that addition of sludge accelerated the decomposition of fruit and vegetable waste due to limited VFA accumulation compared to meat and grain. The maximum methane production was found in fruits and vegetable reactors at a rate of 6.7 L of methane per pound of food waste. For fruit and vegetable reactors, the CH4:CO2 ratio increased to as high as 8.5. On the other hand, for the meat and grain reactors, the increase in CH4:CO2 ratio was insignificant as they were in the lag phase. Full article
(This article belongs to the Special Issue Sustainable Solid Waste Management: Landfill Operation and Management)
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17 pages, 5987 KiB  
Article
Effect of Plastic Waste on Volume Consumption of Landfill during the COVID-19 Pandemic
by Sehneela Sara Aurpa, Sahadat Hossain and Md Azijul Islam
Sustainability 2022, 14(23), 15974; https://doi.org/10.3390/su142315974 - 30 Nov 2022
Cited by 2 | Viewed by 2613
Abstract
The COVID-19 pandemic has altered all aspects of human life since its breakout in March 2020 in the USA and around the world. There has been a tremendous increase in the use of plastic products as most of the PPE (masks, gloves, and [...] Read more.
The COVID-19 pandemic has altered all aspects of human life since its breakout in March 2020 in the USA and around the world. There has been a tremendous increase in the use of plastic products as most of the PPE (masks, gloves, and other medical equipment) are made from plastic. Therefore, the generation of plastic waste was expected to increase significantly, which was also reported by many news agencies and organizations. This study determines the increase in plastic waste in municipal solid waste (MSW) and investigates its effect on landfill volume consumption during the COVID-19 pandemic. MSW samples were collected from the working face of Irving Hunter Ferrell landfill from May 2020 to December 2020. During every attempted sample collection, eight bags of MSW samples, each weighing 20–25 lbs., were collected. The MSW samples collected from the landfill were characterized and later the volume was estimated to evaluate the potential effects on landfill airspace. Based on the experimental investigations, it was found that plastic waste generation increased significantly during the pandemic (increasing from an 18.5% pre-pandemic level to 30% during the pandemic). Volumetric estimation suggests that the increased amount of plastic waste occupies 20% more volume in landfills. Quantification and estimation of the volume of the increased amount of plastic waste can be useful in predicting the impact of the pandemic on the lifetime of landfills. Full article
(This article belongs to the Special Issue Sustainable Solid Waste Management: Landfill Operation and Management)
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