Municipal solid waste (MSW) as a source of renewable energy in Bangladesh: Revisited

Hossain, H. M. Zakir; Hossain, Quazi Hasna; Monir, Minhaj Uddin; Ahmed, Mohammad Tofayal

doi:10.1016/j.rser.2014.07.007

Cited by 94 publications

(27 citation statements)

References 9 publications

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“…However, a higher pupation ratio and a lower substrate reduction rate were observed in the BSFL reared on food waste treated with PS and PE microplastics, compared to the control. Previous studies have been reported for the decomposition of diverse organic wastes including fruit and vegetable mixture and pig manure using BSFL, and the growth and development of BSFL differed depending on the substrates employed (Jucker et al 2017;Liu et al 2018;Meneguz et al 2018); this is not surprising given that various substrates including food waste have heterogenous traits in their composition (Hossain et al 2014). More studies are required to apply BSFL in processing of diverse types of food waste.…”

Section: Discussionmentioning

confidence: 99%

Effects of microplastics and salinity on food waste processing by black soldier fly (Hermetia illucens) larvae

Cho

Kim

et al. 2020

j ecology environ

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Background: The black soldier fly (Hermetia illucens) is gaining attention as an efficient decomposer of food waste. However, recalcitrant compounds such as plastics mixed into food waste may have negative effects on its growth and survival. Moreover, its efficiency of food waste degradation may also be affected by plastics. In addition, salt (NaCl) can also be present in high concentrations, which also reduces the efficiency of H. illucens-mediated food waste treatment. In this study, we assessed the growth of black soldier fly larvae (BSFL) reared on food waste containing polyethylene (PE) and polystyrene (PS) and NaCl. The weight of BSFL was measured every 2-4 days. Survival and substrate reduction rates and pupation ratio were determined at the end of the experiment. Results: The total larval weight of Hermetia illucens reared on food waste containing PS was greater than that of the control on days 20 and 24. However, the survival rate was lower in the group treated with 5% PS, as was substrate reduction in all PS-treated groups. The weight of BSFL reared on food waste containing PE was lower than that of the control on day 6. PE in food waste did not affect the survival rate, but the pupation ratio increased and substrate consumption decreased with increasing PE concentrations. Regardless of the plastic type, the addition of NaCl resulted in decreased larval weight and pupation ratio. Conclusions: Larval growth of black soldier fly was inhibited not by plastics but by substrate salinity. Additional safety assessments of larvae reared on food waste containing impurities are needed to enable wider application of BSFL in vermicomposting.

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Section: Discussionmentioning

confidence: 99%

Effects of microplastics and salinity on food waste processing by black soldier fly (Hermetia illucens) larvae

Cho

Kim

et al. 2020

j ecology environ

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“…Worldwide, the biodegradable fraction of the MSW (i.e., food and biomass residues, paper, and cardboard) varies between 30% and 65% [7]. In this respect, several studies [29][30][31][32] show that MSW is a potential primary energy source, especially the organic fraction of the municipal solid waste (OFMSW), thanks to the amount of biogas that can be produced through anaerobic digestion (AD). Therefore, AD is seen as a proper waste management solution in terms of solving the problem of waste generation and renewable energy production [33,34].…”

Section: Anaerobic Digestion Technologymentioning

confidence: 99%

Feasibility and Barriers for Anaerobic Digestion in Mexico City

et al. 2019

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Due to the high organic fraction in municipal solid waste (MSW) composition in Mexico City, anaerobic digestion (AD) is considered as a viable treatment method for organics in this study. The most feasible way refers to the waste from the wholesale market Central de Abasto, which is predominantly organics. This work aims to perform a business plan and discuss the barriers for AD technology in Mexico. In this case study, the cost-benefit analysis (CBA) approach is applied to estimate the profitability of the project. The net present value of this project is positive, and the model resulted in a payback period of 7 years. Identified barriers to feasibility of energy generation through biogas of MSW in Mexico include the need for large investment, low profitability through sales of electricity, and no use for generated heat. An attractive panorama for clean energy in Mexico was not evidenced, even though the Energy Reform took place in 2013. However, the environmental analysis also demonstrates a positive environmental impact of 730 kg CO 2 per 1 Mg of MSW. Therefore, support incentives are needed to promote the use of other by-products of the AD process, such as heat and digestate.

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“…Some studies have evaluated the viability of obtaining energy from incineration in countries like Bangladesh, Nigeria, and KSA (Kingdom of Saudi Arabia) [14]- [16]. In [14], the authors present an overview of energy (electricity) generation potential from solid waste in mega-cities of Bangladesh.…”

Section: Incinerationmentioning

confidence: 99%

“…In [14], the authors present an overview of energy (electricity) generation potential from solid waste in mega-cities of Bangladesh. In [15], the WTE potential of municipal solid waste (MSW) was assessed throughout Nigeria using the population growth rate factor and the boiler, steam and overall efficiencies for calculating the exploitable energy potential.…”

Section: Incinerationmentioning

confidence: 99%

Electricity generation potential from solid waste in three Colombian municipalities

Arias

Cuestas

Jaramillo-Duque

2018

TecnoL.

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This study estimates the electric energy production potential from municipal solid waste in Colombia. The Colombian municipalities of Pasto (Department of Nariño), Andes (Antioquia) and Guayatá (Boyacá) were selected as representative populations of the national context because of their socioeconomic and demographic features, as well as the public availability of their waste management plans. The technical characteristics of two conversion technologies were analyzed: incineration (thermal conversion) and anaerobic digestion (biological conversion). From a technical point of view, the results showed that anaerobic digestion is feasible in all three scenarios, while incineration is viable in Pasto and Andes.

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Municipal solid waste (MSW) as a source of renewable energy in Bangladesh: Revisited

Cited by 94 publications

References 9 publications

Effects of microplastics and salinity on food waste processing by black soldier fly (Hermetia illucens) larvae

Effects of microplastics and salinity on food waste processing by black soldier fly (Hermetia illucens) larvae

Feasibility and Barriers for Anaerobic Digestion in Mexico City

Electricity generation potential from solid waste in three Colombian municipalities

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