Exploring the biogas production and microbial community from co-digestion of sewage sludge with municipal solid waste incineration fresh leachate

Li, J. X.; Wang, L. A.; Wang, L.; Zhan, Xinyuan; Huang, Chuan

doi:10.1007/s13762-020-02884-w

Cited by 14 publications

(6 citation statements)

References 42 publications

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“…The results revealed Metharnosarcina as the most abundant archaea in the fresh lagoon one, while Methanospirillum was abundant in the aged lagoon 2. Similar trends are recorded in other studies ([ 5 , 20 ]) [ 20 ]. reported the Firmicutes and Nitrospira genera as the predominant bacteria while Methanosaeta, Methanosarcina , and the Methanospirillum dominated the archaea.…”

Section: Discussionsupporting

confidence: 91%

“…reported the Firmicutes and Nitrospira genera as the predominant bacteria while Methanosaeta, Methanosarcina , and the Methanospirillum dominated the archaea. On the other hand [ 5 ], recorded a shift in the composition of archaea from Methanosaeta to Mycobacterium.…”

Section: Discussionmentioning

confidence: 99%

“…These steps form the three main pathways involved in methanogenesis and the final step of the release of methane gas; (i) the hydrogenotrophic pathway, which uses the H 2 /CO 2 substrate where the CO 2 binds to methanofuran, and it is broken down to formyl-methanofuran in the presence of H 2 . This process is catalyzed by the enzyme formyl-methanofuran dehydrogenase [ 5 ]. The formal part of formyl-methanofuran is transferred to coenzyme tetrahydromethanopterin forming formyl-tetrahydromethanopterin catalyzed by enzyme formyl transferase [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

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Molecular characterization of microorganisms with industrial potential for methane production in sludge from Kangemi sewage treatment plant, Nyeri county–Kenya

Kimisto

Muia

Ong'ondo

et al. 2023

Heliyon

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Molecular characterization of microorganisms with industrial potential for methane production in sludge from Kangemi sewage treatment plant, Nyeri county–Kenya

Kimisto

Muia

Ong'ondo

et al. 2023

Heliyon

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“…On the contrary, when evaluating reactors under semi-continuous operation, an accumulation of cellulosic biomass took place in the reactor, leading to increased biogas production for some periods because of the degradation of accumulated material. Li et al [71] reported an enhancement in volatile solid removal when evaluating sewage sludge and food wastes leachate derived from municipal solid wastes incineration plants. In their study, the greater biogas yield was not only attributable to the increment in organic loading rate but also to the higher degradation of solids.…”

Section: Co-digestion Proposed As the Best Way To Take Advantage Of Process Synergiesmentioning

confidence: 99%

Biogas Production from Organic Wastes: Integrating Concepts of Circular Economy

Ellacuriaga

García-Cascallana

Gómez

2021

Fuels

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Anaerobic digestion is traditionally used for treating organic materials. This allows the valorization of biogas and recycling of nutrients thanks to the land application of digestates. However, although this technology offers a multitude of advantages, it is still far from playing a relevant role in the energy market and from having significant participation in decarbonizing the economy. Biogas can be submitted to upgrading processes to reach methane content close to that of natural gas and therefore be compatible with many of its industrial applications. However, the high installation and operating costs of these treatment plants are the main constraints for the application of this technology in many countries. There is an urgent need of increasing reactor productivity, biogas yields, and operating at greater throughput without compromising digestion stability. Working at organic solid contents greater than 20% and enhancing hydrolysis and biogas yields to allow retention times to be around 15 days would lead to a significant decrease in reactor volume and therefore in initial capital investments. Anaerobic digestion should be considered as one of the key components in a new economy model characterized by an increase in the degree of circularity. The present manuscript reviews the digestion process analyzing the main parameters associated with digestion performance. The novelty of this manuscript is based on the link established between operating reactor conditions, optimizing treatment capacity, and reducing operating costs that would lead to unlocking the potential of biogas to promote bioenergy production, sustainable agronomic practices, and the integration of this technology into the energy grid.

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“…This necessitates the need for application of metagenomic studies in the mining of specific genes responsible for phenotypic characteristics. Metagenomic analysis can provide a deep insight into the relative abundance patterns of different taxa in addition to the regulation of functional genes (Li et al 2020;Oszust et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Influence of lignin level of raw material on anaerobic digestion process in reorganization and performance of microbial community

Nakhate

Gupta

Poddar

et al. 2021

Int. J. Environ. Sci. Technol.

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Huge quantum of agricultural crop residue from agrarian economies like India is disposed of improperly by open land burning contributing to particulate and gaseous pollutants thereby severely impacting the environment and human health. There is an overwhelming need for sustainable utilization of this misplaced resource as feedstock in biofuel production through anaerobic digestion. Substrate composition influences the digestibility of the substrate and underlying microbial plasticity involved in anaerobic digestion. In this study, anaerobic inoculum was subjected to enrichment in the presence of agricultural residues with different lignin content whose influence on biogas production, and differential modulation/ reorganization of microbial communities was explored. BMP assay emphasized the inverse proportionality between lignin content and biogas yield, with highest biogas yield of 622 mL/g VS added in case of rice straw (lowest lignin, 16.9%), followed by wheat straw-556 mL/g VS (18.12% lignin), sugar cane leaves-451 mL/g VS (21.87% lignin), and lowest biogas yield of 411 mL/g VS added in case of cotton crop waste (highest lignin, 23.97%). Biogas production efficiency was correlated with the selection and shift of microbial communities to key hemicellulolytic (Bacteroides, Clostridium, Prevotella, Thermotoga, Cytophaga) and lignocellulolytic (Bacillus, Geobacter, Flavobacterium, Spirochaeta, Klebsiella, Escherichia, Pseudomonas, Burkholderia) genotypes in comparison to initial anaerobic inoculum. Study highlighted that the variable lignin content resulted in genomic reorganization and created a scenario for high biogas production by selectively enriching different methanogenic pathways such as hydrogenotrophic pathways in rice straw metagenome (lowest lignin) and acetoclastic pathways in cotton crop waste metagenome (highest lignin).

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Exploring the biogas production and microbial community from co-digestion of sewage sludge with municipal solid waste incineration fresh leachate

Cited by 14 publications

References 42 publications

Molecular characterization of microorganisms with industrial potential for methane production in sludge from Kangemi sewage treatment plant, Nyeri county–Kenya

Molecular characterization of microorganisms with industrial potential for methane production in sludge from Kangemi sewage treatment plant, Nyeri county–Kenya

Biogas Production from Organic Wastes: Integrating Concepts of Circular Economy

Influence of lignin level of raw material on anaerobic digestion process in reorganization and performance of microbial community

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