Municipal solid waste management and landfilling technologies: a review

Nanda, Sonil; Berruti, Franco

doi:10.1007/s10311-020-01100-y

Cited by 672 publications

(250 citation statements)

References 64 publications

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“…In developing countries, KW is normally disposed off with other solid waste to the dustbin. Local government authorities, e.g., city corporations or municipal authorities, collect them from the bin and dump in low land without maintaining proper landfilling systems [ 2 , 3 ]. These scenarios are worst in the rural areas of those countries [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Biogas production from anaerobic co-digestion using kitchen waste and poultry manure as substrate—part 1: substrate ratio and effect of temperature

Rahman

Shahazi

Nova

et al. 2021

Biomass Conv. Bioref.

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The rapidly declining fossil fuels are no longer able to meet the ever-increasing energy demand. Moreover, they are considered responsible for greenhouse gas (GHG) emission, contributing to the global warming. On the other hand, organic wastes, such as kitchen waste (KW) and poultry manure (PM), represent considerable pollution threat to the environment, if not properly managed. Therefore, anaerobic co-digestion of KW and PM could be a sustainable way of producing clean and renewable energy in the form of biogas while minimizing environmental impact. In this study, the anaerobic co-digestion of KW with PM was studied to assess the rate of cumulative biogas (CBG) production and methane percentage in four digester setups (D1, D2, D3, and D4) operated in batch mode. Each digester setup consisted of five parallelly connected laboratory-scale digesters having a capacity of 1 L each. The digester setups were fed with KW and PM at ratios of 1:0 (D1), 1:1 (D2), 2:1 (D3), and 3:1 (D4) at a constant loading rate of 300 mg/L with 50 gm cow manure (CM) as inoculum and were studied at both room temperature (28 °C) and mesophilic temperature (37 °C) over 24 days. The co-digestion of KW with PM demonstrated a synergistic effect which was evidenced by a 16% and 74% increase in CBG production and methane content, respectively, in D2 over D1. The D3 with 66.7% KW and 33.3% PM produced the highest CBG and methane percentage (396 ± 8 mL and 36%) at room temperature. At mesophilic condition, all the digesters showed better performance, and the highest CBG (920 ± 11 mL) and methane content (48%) were observed in D3. The study suggests that co-digestion of KW and PM at mesophilic condition might be a promising way to increase the production of biogas with better methane composition by ensuring nutrient balance, buffering capacity, and stability of the digester.

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Section: Introductionmentioning

confidence: 99%

Biogas production from anaerobic co-digestion using kitchen waste and poultry manure as substrate—part 1: substrate ratio and effect of temperature

Rahman

Shahazi

Nova

et al. 2021

Biomass Conv. Bioref.

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“…Australia produces the lowest amount of municipal solid waste at 13.4 million metric tons, while Indonesia ranked as the top producer in the Southeast Asia Waste-to-energy represents a viable solution that gains significant interest and attraction in the world due to its ability to provide simultaneous waste disposal and environmental protection (Ramos et al 2018). Waste-to-energy can be realized via gasification, pyrolysis, and combustion (Gunarathne et al 2019;Nanda and Berruti 2020a). Commercial plants of pyrolysis and combustion for waste-toenergy are available at industrial scale (Foong et al 2020c;Pio et al 2020), while gasification plant is comparatively limited.…”

Section: Figmentioning

confidence: 99%

Gasification of refuse-derived fuel from municipal solid waste for energy production: a review

et al. 2021

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Dwindling fossil fuels and improper waste management are major challenges in the context of increasing population and industrialization, calling for new waste-to-energy sources. For instance, refuse-derived fuels can be produced from transformation of municipal solid waste, which is forecasted to reach 2.6 billion metric tonnes in 2030. Gasification is a thermalinduced chemical reaction that produces gaseous fuel such as hydrogen and syngas. Here, we review refuse-derived fuel gasification with focus on practices in various countries, recent progress in gasification, gasification modelling and economic analysis. We found that some countries that replace coal by refuse-derived fuel reduce CO 2 emission by 40%, and decrease the amount municipal solid waste being sent to landfill by more than 50%. The production cost of energy via refuse-derived fuel gasification is estimated at 0.05 USD/kWh. Co-gasification by using two feedstocks appears more beneficial over conventional gasification in terms of minimum tar formation and improved process efficiency.

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“…Therefore, landfills are ranked as the second largest anthropogenic source after ruminant livestock (87-94 million tonnes of CH 4 per year) [15]. Therefore, prevention of landfill emissions is a major goal in waste management strategies [17,18].…”

Section: Figurementioning

confidence: 99%

Estimation of Methane Production and Electrical Energy Generation from Municipal Solid Waste Disposal Sites in Pakistan

Sohoo

Ritzkowski

Sohu³

et al. 2021

Energies

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This work aimed to estimate the annual methane production from the municipal solid waste disposal sites in Pakistan. In this study, the Intergovernmental Panel on Climate Change (IPCC) default methodology was used to estimate theoretical methane formation potential of the waste disposal sites in major cities of Pakistan. The estimates of this study are based on the last population census conducted in the year 2017 and latest available data regarding the waste generation and management practices in the cities considered in the study. Results showed that 31.18 million tonnes of municipal solid waste (MSW) is generated annually. The top 10 major populated cities in Pakistan (with 20% share in country’s population) contributing 31% share in the total quantity of MSW generated in overall country. On average 50–60% of the MSW generated is collected and openly dumped at the designated waste disposal sites. After analyzing the data, we estimate that annually 12.8 MtCO2-eq of methane is emitted from the waste disposal sites in major cities considered in this study. The methane produced from the waste disposal sites can be sustainably utilized as a source of energy through transforming MSW disposal sites (open dumps) to sanitary landfills with methane capturing and utilization facilities. In the present scenario of waste management and methane formation potential, sanitary landfills would generate 62.35 MWh of electric power if 25% of the methane was recovered and utilized in power generation.

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Municipal solid waste management and landfilling technologies: a review

Cited by 672 publications

References 64 publications

Biogas production from anaerobic co-digestion using kitchen waste and poultry manure as substrate—part 1: substrate ratio and effect of temperature

Biogas production from anaerobic co-digestion using kitchen waste and poultry manure as substrate—part 1: substrate ratio and effect of temperature

Gasification of refuse-derived fuel from municipal solid waste for energy production: a review

Estimation of Methane Production and Electrical Energy Generation from Municipal Solid Waste Disposal Sites in Pakistan

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