Title |
Study of the performance of a thermophilic biological methanation system
|
---|---|
Published in |
Bioresource Technology, November 2016
|
DOI | 10.1016/j.biortech.2016.11.066 |
Pubmed ID | |
Authors |
Amita Jacob Guneratnam, Eoin Ahern, Jamie A. FitzGerald, Stephen A. Jackson, Ao Xia, Alan D.W. Dobson, Jerry D. Murphy |
Abstract |
This study investigated the operation of ex-situ biological methanation at two thermophilic temperatures (55°C and 65°C). Methane composition of 85-88% was obtained and volumetric productivities of 0.45 and 0.4LCH4/Lreactor were observed at 55°C and 65°C after 24h respectively. It is postulated that at 55°C the process operated as a mixed culture as the residual organic substrates in the starting inoculum were still available. These were consumed prior to the assessment at 65°C; thus the methanogens were now dependent on gaseous substrates CO2 and H2. The experiment was repeated at 65°C with fresh inoculum (a mixed culture); methane composition and volumetric productivity of 92% and 0.46LCH4/Lreactor were achieved in 24h. Methanothermobacter species represent likely and resilient candidates for thermophilic biogas upgrading. |
X Demographics
Geographical breakdown
Country | Count | As % |
---|---|---|
United Kingdom | 1 | 100% |
Demographic breakdown
Type | Count | As % |
---|---|---|
Scientists | 1 | 100% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Unknown | 153 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 41 | 27% |
Researcher | 20 | 13% |
Student > Master | 15 | 10% |
Student > Bachelor | 9 | 6% |
Student > Doctoral Student | 8 | 5% |
Other | 20 | 13% |
Unknown | 40 | 26% |
Readers by discipline | Count | As % |
---|---|---|
Engineering | 28 | 18% |
Chemical Engineering | 18 | 12% |
Environmental Science | 16 | 10% |
Energy | 12 | 8% |
Agricultural and Biological Sciences | 9 | 6% |
Other | 15 | 10% |
Unknown | 55 | 36% |