Biomining: An Innovative and Practical Solution for Reclamation of Open Dumpsite
03 Jan 2020-pp 167-178
TL;DR: In this paper, a conceptual framework for Biomining of the municipal solid waste (MSW) dumpsite at Chennai has been developed and the implementation of the same in a site has been discussed.
Abstract: Many of the developing nations practice open dumping as a final disposal method for municipal solid waste (MSW) generated. These dumpsites of MSW create the surface water pollution through the leachate discharge from the dumpsite, pollute the groundwater by leaching of heavy metals from the dumped solid waste over the years and also create air pollution in terms of release of CO2, CH4, thus contributing to climate change and other toxic gases. Thus, dumpsite becomes an eyesore and it is the need of the hour to find an alternate way of environmentally friendly disposal method of MSW. A feasible solution for the reclamation of these large sites is by biomining in which different groups of materials are extracted from the dumpsite and recycled or reused in a proper way thus resulting in the monetary value and resource flow. Biomining concept is a simple, innovative, economically feasible, practical, quick, and environmentally acceptable measure to remediate the old open dumpsite to achieve zero emission of landfill gases and leachate, and also reclaim the land reusability and zero maintenance. An integrated approach has been incorporated in which the stabilization part in biomining is carried out through bioreactor landfill treatment and then followed by biomining concepts. A conceptual framework for Biomining of the MSW dumpsite at Chennai has been developed and the implementation of the same in a site has been discussed. Also, a detailed framework for future management of open dumpsites has been developed and discussed.
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TL;DR: In this article, the authors enumerate the approaches that should be taken by different institutions in their various capacities to move from open dumps to scientific and environmentally friendly waste management systems embarking on the circular economy concepts.
Abstract: The massive growth in the generation of municipal solid waste due to the rising food demand, population growth, industrialization, urbanization, economic growth, lifestyles, and other necessities of the global population have embraced the unscientific disposal of wastes in particular with developing countries like India, China, Brazil, etc. Nearly 2 billion metric tonnages of wastes are generated globally each year and nearly half of it is subjected to open burning. As evident from the physiochemical characteristics of the wastes in some of the major cities in India, more than 50% of the fresh waste contribute to organic fraction and has got high energy and nutrient value. In fact, in developing countries, the management of MSW is exacerbated by unscientific practices leading to increased environmental contamination and risk to public health. India is facing a seemingly insurmountable challenge of treating and managing the historical waste, in addition to the large accumulation of fresh daily waste. This paper attempts to enumerate the approaches that should be taken by different institutions in their various capacities to move from open dumps to scientific and environmentally friendly waste management systems embarking on the circular economy concepts. To manage the current situation, appropriate knowledge about waste generation and its treatment are necessary. The current study reveals the data regarding waste generation in different states, highlights the issues with open dumping, and a few methods which can be effectively used to treat solid waste are enumerated.
9 citations
TL;DR: In the Global South, post-consumer waste glass is an often dumped, and under-utilised resource as discussed by the authors. Even in Malawi, with widespread return schemes, many barriers exist, inhibiting reuse, and necess...
Abstract: Across the Global South, post-consumer waste glass is an often dumped, and under-utilised resource. Even in Malawi, with widespread return schemes, many barriers exist, inhibiting reuse, and necess...
7 citations
Cites background from "Biomining: An Innovative and Practi..."
...…solid waste (MSW) dumps for recoverable materials, primarily metals and rare elements, but also soil-like materials that can be utilised in construction and infrastructural applications (see (Prechthai, Padmasri, and Visvanathan 2008; Somani et al. 2018; Mohan and Joseph 2020; Somani et al. 2020)....
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TL;DR: Wang et al. as mentioned in this paper analyzed the environmental impact change during the period 1986-2020 in Shanghai and found that although the generation of food waste raised rapidly, the total environmental impact, which was dominated by Freshwater Aquatic Ecotoxicity Potential, displayed a sharp decrease as 96.09 %, and Global Warming Potential decreased by 28.14 %.
01 Jan 2023
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TL;DR: In this paper, the concept of Enhanced Land Mining (ELFM) is introduced, which is defined as safe conditioning, excavation and integrated valorization of land waste streams as both materials and energy.
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TL;DR: An overview of current status ofSolid waste management in India is presented which can help the competent authorities responsible for municipal solid waste management and researchers to prepare more efficient plans.
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276 citations
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