Anaerobic Co-Digestion of Municipal Sewage Sludge with Cow Dung at Different Ratio

Fatema Sultana; Shaikh Rahman; Tushar Chowhan

Anaerobic Co-Digestion of Municipal Sewage Sludge with Cow Dung at Different Ratio

Fatema Sultana * §

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Shaikh Mahfuzur Rahman

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Tushar Chowhan

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§ Ahsanullah University of Science and Technology

Anaerobic Co-Digestion of Municipal Sewage Sludge with Cow Dung at Different Ratio

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Abstract

A large amount of sewage sludge is produced through the sewerage system in Bangladesh. A laboratory scale research work was carried out to find the potential of sewage sludge as a source of renewable Bio-Energy. This paper presents the output results of the research work which was carried out to find out the appropriate technology for biogas generation from co-digestion of sewage sludge & cow dung. The study deals with usage of different proportion of sewage sludge, cow dung and domestic sewage for four trials carrying 6% total solid concentration. For all the experiments, sewage and domestic sludge were mixed in 1:1 ratio. Anaerobic digestion was performed for 60 days at room temperature 30±4 ºC. The pH of the slurry was maintained by the system itself. The inoculum was familiarized with cow dung in the same atmosphere taken for the study and sufficient active biomass was present. It was observed in the research that, when sewage sludge mixed with other co-substrate, the significant increase in gas yield was remarkable. The performances of the reactors were analyzed on the basis of gas yield and methane yield. On the basis of the analysis of the performance of the reactors, it was found that; Trial-2 reactor containing 25% cow dung and 75% municipal sewage sludge and domestic sewage, on total solid (6% TS) of slurry gives optimum result in terms of total gas yield and methane yield (72%). Standards of Trial-2 might choose as an optimum condition for gas generation from municipal sewage sludge.

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11 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Fatema Sultana, Shaikh Mahfuzur Rahman, Tushar Chowhan. 2018. "Anaerobic Co-Digestion of Municipal Sewage Sludge with Cow Dung at Different Ratio". Global Journal of Science Frontier Research - H: Environment & Environmental geology GJSFR-H Volume 18 (GJSFR Volume 18 Issue H3).

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GJSFR Volume 18 Issue H3

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

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Classification

GJSFR-H Classification FOR Code: 040699

Submission ReceivedAugust 12, 2018
Peer Review Double Blind
Handling Editor
Accepted September 9, 2018
Published November 2, 2018

Version of record

v1.2

Issue date

November 2, 2018

Language

English

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Article Matrices

Total Score: 103

Country: Bangladesh

Subject: Global Journal of Science Frontier Research - H: Environment & Environmental geology

Authors: Fatema Sultana, Shaikh Mahfuzur Rahman, Tushar Chowhan (PhD/Dr. count: 0)

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Publish Date: 2018 09, Sat

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