Technological Advances for Treating Municipal Waste

Pandit, Prabhakar D.; Gulhane, Madhuri; Khardenavis, Anshuman A.; Vaidya, Atul N.

doi:10.1007/978-81-322-2598-0_13

Cited by 8 publications

(5 citation statements)

References 82 publications

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“…On the other hand, composting and land-filling require vast areas of land and hence are not suitable for countries with limited land availability [89]. Pandit et al [90] have discussed about various technological advances for treating this misplaced resource. The authors have proposed composting and biomethanation by anaerobic digestion to be the desirable solution for managing MSW due to two benefits, management of MSW and production of value added products such as volatile fatty acids (VFAs), biogas, and organic residue/compost for application as a soil conditioner or fertilizer.…”

Section: Bioremediation Of Municipal Solid Waste (Msw)mentioning

confidence: 99%

Diverse Metabolic Capacities of Fungi for Bioremediation

2016

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Bioremediation refers to cost-effective and environment-friendly method for converting the toxic, recalcitrant pollutants into environmentally benign products through the action of various biological treatments. Fungi play a major role in bioremediation owing to their robust morphology and diverse metabolic capacity. The review focuses on different fungal groups from a variety of habitats with their role in bioremediation of different toxic and recalcitrant compounds; persistent organic pollutants, textile dyes, effluents from textile, bleached kraft pulp, leather tanning industries, petroleum, polyaromatic hydrocarbons, pharmaceuticals and personal care products, and pesticides. Bioremediation of toxic organics by fungi is the most sustainable and green route for cleanup of contaminated sites and we discuss the multiple modes employed by fungi for detoxification of different toxic and recalcitrant compounds including prominent fungal enzymes viz., catalases, laccases, peroxidases and cyrochrome P450 monooxygeneses. We have also discussed the recent advances in enzyme engineering and genomics and research being carried out to trace the less understood bioremediation pathways.

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Section: Bioremediation Of Municipal Solid Waste (Msw)mentioning

confidence: 99%

Diverse Metabolic Capacities of Fungi for Bioremediation

2016

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“…This lead to a recent trend of utilization of MSW as resource which demands effective pretreatment options that can enhance bioavailability and hydrolysis of hemicellulose fraction (Pandit et al, 2015). It has been also observed that the microbial utilization of these fractions further get inhibited by higher fatty acids and aromatics (Sharma et al, 2015).…”

Section: Introductionmentioning

confidence: 98%

“…One of the prime reasons for this is the requirement of different types or combinations of pre-treatments options depending on the type of biomass. Composition of feedstock is a major factor in designing of optimized conditions of pre-treatment and reactor operation in bioenergy generation (Pandit et al, 2015). Direct microbial applications along with their enzymes or their combination with other physiochemical methods are emerging as potential options due to considerable reduction in process time and expected cost for pretreatment (Sindhu et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Mining of hemicellulose and lignin degrading genes from differentially enriched methane producing microbial community

Pandit

Gulhane

Khardenavis

et al. 2016

Bioresource Technology

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“…It turns out that such statements on the phylum level are probably too generalized, due to phyla being represented by numerous microorganisms, which can be replaced one by another. Bacteroidetes are responsible for hydrolytic and fermentative reactions in a range of organic substrates such as municipal waste and manure organic materials with complex carbohydrates [76][77][78][79][80].…”

Section: Microbial Compositions In Anaerobic Digestermentioning

confidence: 99%

Biogas Production and Metagenomic Analysis in a New Hybrid Anaerobic Labyrinth-Flow Bioreactor Treating Dairy Wastewater

et al. 2023

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Increasing worldwide milk manufacturing and dairy processing resulted in producing more effluents, and thus effective management of wastewater is now the most important issue. This study used a new design of a pilot plant-scale hybrid anaerobic labyrinth-flow bioreactor (AL-FB) to increase the efficiency of anaerobic biodegradation and biogas productivity and improve anaerobic microflora performance. In addition, effluent recirculation was used to boost the treatment of dairy wastewater. Metagenomic analyses of the anaerobic microbial community were performed. It was found that an organic loading rate (OLR) of 4.0–8.0 g COD/L·d contributed to the highest CH4 yield of 0.18 ± 0.01–0.23 ± 0.02 L CH4/g COD removed, which corresponded to a high COD removal of 87.5 ± 2.8–94.1 ± 1.3%. The evenest distribution of the microorganisms’ phyla determined the highest biogas production. In all tested samples, Bacteroidetes and Firmicutes abundance was the highest, and Archaea accounted for about 4%. Metagenomic studies showed that methane was mainly produced in acetoclastic methanogenesis; however, higher OLRs were more favorable for enhanced hydrogenotrophic methanogenesis. Effluent recirculation enhanced the overall treatment. Thus, at OLR of 10.0 g COD/L·d, the highest COD removal was 89.2 ± 0.4%, and methane production yield achieved 0.20 ± 0.01 L CH4/g COD removed, which was higher by 25% compared to the achievements without recirculation.

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Technological Advances for Treating Municipal Waste

Cited by 8 publications

References 82 publications

Diverse Metabolic Capacities of Fungi for Bioremediation

Diverse Metabolic Capacities of Fungi for Bioremediation

Mining of hemicellulose and lignin degrading genes from differentially enriched methane producing microbial community

Biogas Production and Metagenomic Analysis in a New Hybrid Anaerobic Labyrinth-Flow Bioreactor Treating Dairy Wastewater

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