Rapid composting techniques in Indian context and utilization of black soldier fly for enhanced decomposition of biodegradable wastes - A comprehensive review

Kumar, Sunil; Negi, Suraj; Mandpe, Ashootosh; Singh, Ran Vijay; Hussain, Athar

doi:10.1016/j.jenvman.2018.08.096

Cited by 69 publications

(22 citation statements)

References 95 publications

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“…Developing countries are facing an incremental problem of municipal solid waste management with the passage of time [1,2]. Most of such countries including Pakistan followed the practice 'out of sight out of mind' where the collected waste was simply transferred to open spaces available around the settlements [3].…”

Section: Introductionmentioning

confidence: 99%

Reducing the Space Footprint of Black Soldier Fly Larvae Waste Treatment by Increasing Waste Feeding Layer Thickness

Mahmood¹,

Tabinda²,

Ali³

et al. 2020

Pol. J. Environ. Stud.

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Black Soldier Fly Larvae (BSFL) (Hermetia illucens) waste treatment process is a promising solution for reclaiming organic waste which is up to 50% of municipal waste produced in the developing countries. BSFL operational guidelines issued by EAWAG Switzerland recommend 5-10 cm thick waste layers for the treatment process requiring large space especially for treating huge quantities of waste. This study explored performance of BSFL waste treatment process for waste feeding layers with thickness between 10-100 cm on a pilot scale in Pakistan. The key parameters analyzed were, waste layer thickness and 50% thickness reduction with time, dry matter waste weight reduction and volume reduction which indicated degree of waste treatment. Furthermore, larval weight gain, bio conversion rate (BCR), residue and metabolism were also calculated. Waste layer thickness reduction varied between 68.9 (SD 0.75)-96.7 % (SD 0.65), waste dry weight reduction 45.2 (SD 5.20)-96.5% (SD 0.20) and volume reduction was found to be between 64.0 (SD 3.46) and 87.9% (SD 2.61) for layers with thickness of 10-100cm. Final larval weight and bioconversion rate ranged between 0.031-0.047 g and 6.01% and 9.94% respectively in different layers. Metabolized waste was more than the residue in all samples except the one with 90cm waste layer thickness. This study confirmed that space foot print of BSFL treatment process can be decreased using waste layers with higher thickness than the widely practiced 10 cm thickness.

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Section: Introductionmentioning

confidence: 99%

Reducing the Space Footprint of Black Soldier Fly Larvae Waste Treatment by Increasing Waste Feeding Layer Thickness

Mahmood¹,

Tabinda²,

Ali³

et al. 2020

Pol. J. Environ. Stud.

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“…Chen et al [95] observed that integrating bamboo charcoal and bamboo vinegar into pig manure composting piles controlled the mobility of Cu and Zn. Kumar et al [96] verified that adding wood or wheat-straw biochar and inoculum promoted suitable conditions for the complexation of metal ions reducing their mobility.…”

Section: Treatment Strategies To Increase Manure Acceptance For Farmers and Societymentioning

confidence: 99%

“…A new trend in composting process is integrating black soldier fly larvae (BSFL) as an inoculum, converting manure into larval biomass and compost. The larval biomass can be used in animal feedstock or for bioenergy production [96][97][98]. According to Liu et al [98], this practice improved the quality and maturity degree of compost, increased nutrients content and contributed to antimicrobial activity against pathogens.…”

Section: Treatment Strategies To Increase Manure Acceptance For Farmers and Societymentioning

confidence: 99%

Horticulture and Orchards as New Markets for Manure Valorisation with Less Environmental Impacts

2021

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Animal manure management is a real challenge to minimize environmental impacts and ensure that this valuable material is efficiently used in a circular economy context. One of the main limitations for larger use of animal manure as fertilizer is the availability of land to receive it in an area close to the farm. Indeed, animal manure is traditionally used for cereals and animal feed growth, but the soil area occupied with these crops might not be enough to receive all the manure produced and/or part of this soil might have nutrient contents, namely phosphorous, that do not permit further application of manure. Hence, extra land used for other agricultural activities might be an option. The main objective of the present review was to analyse the constraints and solutions to increase the use of manure in horticulture and orchards. Emphasis was given to the legal framework for manure utilization in the EU that might stimulate or restrain such a solution. The main characteristics of manure that might limit or stimulate manure reuse were also described, and the potential of some treatments to valorise manure was analysed. Several examples of alternative uses of manure in horticulture and orchards were examined, and the society and farmers’ acceptance of the proposed solution was addressed.

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“…The problem regarding the lower pH of the food waste can be solved by adding sodium acetate in the mixture of the waste, to balance the pH level of the system. Similarly, different feedstocks, like pig manure, poultry litter, etc., can be applied for co-composting activities with other supplementary waste substrates (Kumar et al 2018).…”

Section: Novel Composting Techniquesmentioning

confidence: 99%

“…The blends of different types of waste formed at diverse stages of decomposition entice an essential species of arthropods whose life cycle is over in the compost, while any further addition to it enhances the decomposition process. These arthropodal species boost the development of the consentient species (Kumar et al 2018). Arthropods like millipedes and black soldier fly larvae have been successfully used by Karthigeyan and Alagesan (2011) and Diener et al (2015) for the composting of different types of organic waste.…”

Section: Novel Composting Techniquesmentioning

confidence: 99%

Composting: A Sustainable Route for Processing of Biodegradable Waste in India

Mandpe

Kumari

Kumar

2020

Organic Waste Composting Through Nexus Thinking

Self Cite

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Surging populations, coupled with the ever-increasing demand for sustenance, have led to the generation of behemoth proportions of wastes throughout the globe. The processing of such a considerable amount of waste has raised concerns for environmental planners, policymakers, and researchers in regard to maintaining sustainability. Biodegradable waste is a part of the total waste stream. Consideration should be given to the importance of making better use of biodegradable waste. The technology that is adopted for the management of biodegradable waste should be ecologically sustainable and cost-effective, as well as beneficial to social well-being. The most efficient way of managing biodegradable waste must include different methods for the optimal utilisation of such waste, ranging from the small scale (single household) to the very large scale (entire city). Amid all the other waste processing technologies, composting stands out as a most potent option because of its ability to maintain and restore soil fertility, along with the transformation of waste into a resource. Composting is one of the few technologies which has a benefit–cost ratio higher than 1 at all scales of operation. This chapter analyses the most significant aspects of the composting process, including the recent developments and dynamics involved in it. The chapter discusses various aspects of composting via analysis of the integrated waste management system and composting-related projects implemented at the community level in the Indian context. Finally, the chapter presents policies and the efforts put in place by the Government of India with the aim of encouraging composting practice and related activities.

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Rapid composting techniques in Indian context and utilization of black soldier fly for enhanced decomposition of biodegradable wastes - A comprehensive review

Cited by 69 publications

References 95 publications

Reducing the Space Footprint of Black Soldier Fly Larvae Waste Treatment by Increasing Waste Feeding Layer Thickness

Reducing the Space Footprint of Black Soldier Fly Larvae Waste Treatment by Increasing Waste Feeding Layer Thickness

Horticulture and Orchards as New Markets for Manure Valorisation with Less Environmental Impacts

Composting: A Sustainable Route for Processing of Biodegradable Waste in India

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