Thermal pre-treatment – A prerequisite for the reduction of hydrolysis stage during anaerobic digestion of Ageratum conyzoides
The present study mainly focussed on the effect of different thermal pretreatments on Ageratum conyzoides. Thermal pretreatment reduced the hydrolysis period and, at the same time, increased biogas production as compared to the untreated Ageratum conyzoides. The effects of four different thermal pre...
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KeAi Communications Co., Ltd.
2021-01-01
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doaj-164b1e20cd0c4175a61b97ea6b69fefa2021-04-02T19:41:52ZengKeAi Communications Co., Ltd.Materials Science for Energy Technologies2589-29912021-01-0143445Thermal pre-treatment – A prerequisite for the reduction of hydrolysis stage during anaerobic digestion of Ageratum conyzoidesBiswanath Saha0Meena Khwairakpam1Ajay S. Kalamdhad2Centre for Rural Technology, Indian Institute of Technology, Guwahati 789039, Assam, IndiaCentre for Rural Technology, Indian Institute of Technology, Guwahati 789039, Assam, IndiaDepartment of Civil Engineering, Indian Institute of Technology, Guwahati 789039, Assam, IndiaThe present study mainly focussed on the effect of different thermal pretreatments on Ageratum conyzoides. Thermal pretreatment reduced the hydrolysis period and, at the same time, increased biogas production as compared to the untreated Ageratum conyzoides. The effects of four different thermal pretreatment techniques, i.e., hot air oven, microwave, autoclave, and hot water bath on the anaerobic digestion of Ageratum conyzoides were studied. Autoclave pretreatment was found to be more efficient, followed by a hot water bath, hot air oven, and microwave pretreatments. Autoclave pretreatment enhanced the solubilization. Simultaneously, increment in volatile fatty acids and soluble chemical oxygen demand was observed as 55.33% and 54.59% for autoclave at 90° C for 90 min, respectively, compared to the control/untreated. After autoclave pretreatment, cumulative methane production rose to 4053 mL CH4/g VS in 35 days from 3011 mL CH4/g VS in 50 days for the untreated sample.http://www.sciencedirect.com/science/article/pii/S2589299120300835Ageratum conyzoidesPre-treatmentBiogasLigninAutoclave |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Biswanath Saha Meena Khwairakpam Ajay S. Kalamdhad |
spellingShingle |
Biswanath Saha Meena Khwairakpam Ajay S. Kalamdhad Thermal pre-treatment – A prerequisite for the reduction of hydrolysis stage during anaerobic digestion of Ageratum conyzoides Materials Science for Energy Technologies Ageratum conyzoides Pre-treatment Biogas Lignin Autoclave |
author_facet |
Biswanath Saha Meena Khwairakpam Ajay S. Kalamdhad |
author_sort |
Biswanath Saha |
title |
Thermal pre-treatment – A prerequisite for the reduction of hydrolysis stage during anaerobic digestion of Ageratum conyzoides |
title_short |
Thermal pre-treatment – A prerequisite for the reduction of hydrolysis stage during anaerobic digestion of Ageratum conyzoides |
title_full |
Thermal pre-treatment – A prerequisite for the reduction of hydrolysis stage during anaerobic digestion of Ageratum conyzoides |
title_fullStr |
Thermal pre-treatment – A prerequisite for the reduction of hydrolysis stage during anaerobic digestion of Ageratum conyzoides |
title_full_unstemmed |
Thermal pre-treatment – A prerequisite for the reduction of hydrolysis stage during anaerobic digestion of Ageratum conyzoides |
title_sort |
thermal pre-treatment – a prerequisite for the reduction of hydrolysis stage during anaerobic digestion of ageratum conyzoides |
publisher |
KeAi Communications Co., Ltd. |
series |
Materials Science for Energy Technologies |
issn |
2589-2991 |
publishDate |
2021-01-01 |
description |
The present study mainly focussed on the effect of different thermal pretreatments on Ageratum conyzoides. Thermal pretreatment reduced the hydrolysis period and, at the same time, increased biogas production as compared to the untreated Ageratum conyzoides. The effects of four different thermal pretreatment techniques, i.e., hot air oven, microwave, autoclave, and hot water bath on the anaerobic digestion of Ageratum conyzoides were studied. Autoclave pretreatment was found to be more efficient, followed by a hot water bath, hot air oven, and microwave pretreatments. Autoclave pretreatment enhanced the solubilization. Simultaneously, increment in volatile fatty acids and soluble chemical oxygen demand was observed as 55.33% and 54.59% for autoclave at 90° C for 90 min, respectively, compared to the control/untreated. After autoclave pretreatment, cumulative methane production rose to 4053 mL CH4/g VS in 35 days from 3011 mL CH4/g VS in 50 days for the untreated sample. |
topic |
Ageratum conyzoides Pre-treatment Biogas Lignin Autoclave |
url |
http://www.sciencedirect.com/science/article/pii/S2589299120300835 |
work_keys_str_mv |
AT biswanathsaha thermalpretreatmentaprerequisiteforthereductionofhydrolysisstageduringanaerobicdigestionofageratumconyzoides AT meenakhwairakpam thermalpretreatmentaprerequisiteforthereductionofhydrolysisstageduringanaerobicdigestionofageratumconyzoides AT ajayskalamdhad thermalpretreatmentaprerequisiteforthereductionofhydrolysisstageduringanaerobicdigestionofageratumconyzoides |
_version_ |
1721548439943118848 |