Techno-economic feasibility for recovering biogas in a bio augmented municipal sewage plant

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Abstract

A techno-economic assessment study was conducted to consider the feasibility of recovering biogas in a bio agumentated municipal sewage treatment plant. A sewage plant with a capacity of approximately 20 ML/day and a plant operating capacity of 60% for 24 hours were considered. The sewage sludge analysis indicated a high total solids and chemical oxygen demand content. Biogas generation was monitored over a 30 day period with Hycura as the bio augmentation media at 0.05 g/L. Biogas with a methane content of 78% was achieved and the digestate collected as bio solids was rich in nitrogen, phosphorous and potassium. The plant had the capacity to produce 1 380 KWh of electricity per day and if a total investment of 2 million is made, a payback period of 5 years at an in internal rate of return of 18% will be realized.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Industrial Engineering and Operations Management, IEOM 2018
PublisherIEOM Society
Pages37-44
Number of pages8
ISBN (Print)9781532359446
Publication statusPublished - 2018
Event8th International Conference on Industrial Engineering and Operations Management, IEOM 2018 - Bandung, Indonesia
Duration: 6 Mar 20188 Mar 2018

Publication series

NameProceedings of the International Conference on Industrial Engineering and Operations Management
Volume2018-March
ISSN (Electronic)2169-8767

Conference

Conference8th International Conference on Industrial Engineering and Operations Management, IEOM 2018
Country/TerritoryIndonesia
CityBandung
Period6/03/188/03/18

Keywords

  • Bio augmentation
  • Bio solids
  • Biogas
  • Techno-economic assessment

ASJC Scopus subject areas

  • Strategy and Management
  • Management Science and Operations Research
  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering

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