Effect of acid and alkali pretreatment on anaerobic fermentation of artemisia selengensis straw

Xinxin Xie; Jun Zhou; Meirong Wu; Xiaoyu Yong; Shuya Wang; Tao Zheng

doi:10.3969/j.issn.0438-1157.2014.05.046

Effect of acid and alkali pretreatment on anaerobic fermentation of artemisia selengensis straw

Xinxin Xie, Jun Zhou, Meirong Wu, Xiaoyu Yong, Shuya Wang, Tao Zheng

COLLEGE OF BIOTECHNOLOGY AND PHARMACEUTICAL ENGINEERING

Nanjing Tech University

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

In order to compare the effects of different pretreatment methods on gas production performance of artemisia selengensis straw, the straw was pretreated with acid or alkali of different concentrations before anaerobic digestion. Alkali pretreatment could effectively improve the performance of biogas production comparing with the control group, and the 2% NaOH pretreatment was the best. VFA concentration could be up to 4882.34 mg·L^-1 at the early stage of anaerobic fermentation in the alkali pretreatment system, which was 705.21% higher than the control group. The gas yield of unit total solid (TS) was 288.42 ml·g^-1 in the alkali pretreatment system, which was 17.08% higher than control group, and methane content reached 61.14%.

Original language	English
Pages (from-to)	1883-1887
Number of pages	5
Journal	Huagong Xuebao/CIESC Journal
Volume	65
Issue number	5
DOIs	https://doi.org/10.3969/j.issn.0438-1157.2014.05.046
State	Published - May 2014

Keywords

Acid pretreatment
Alkali pretreatment
Anaerobic fermentation
Artemisia selengensis straw
Methane

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10.3969/j.issn.0438-1157.2014.05.046

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title = "Effect of acid and alkali pretreatment on anaerobic fermentation of artemisia selengensis straw",

abstract = "In order to compare the effects of different pretreatment methods on gas production performance of artemisia selengensis straw, the straw was pretreated with acid or alkali of different concentrations before anaerobic digestion. Alkali pretreatment could effectively improve the performance of biogas production comparing with the control group, and the 2% NaOH pretreatment was the best. VFA concentration could be up to 4882.34 mg·L-1 at the early stage of anaerobic fermentation in the alkali pretreatment system, which was 705.21% higher than the control group. The gas yield of unit total solid (TS) was 288.42 ml·g-1 in the alkali pretreatment system, which was 17.08% higher than control group, and methane content reached 61.14%.",

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T1 - Effect of acid and alkali pretreatment on anaerobic fermentation of artemisia selengensis straw

AU - Xie, Xinxin

AU - Zhou, Jun

AU - Wu, Meirong

AU - Yong, Xiaoyu

AU - Wang, Shuya

AU - Zheng, Tao

PY - 2014/5

Y1 - 2014/5

N2 - In order to compare the effects of different pretreatment methods on gas production performance of artemisia selengensis straw, the straw was pretreated with acid or alkali of different concentrations before anaerobic digestion. Alkali pretreatment could effectively improve the performance of biogas production comparing with the control group, and the 2% NaOH pretreatment was the best. VFA concentration could be up to 4882.34 mg·L-1 at the early stage of anaerobic fermentation in the alkali pretreatment system, which was 705.21% higher than the control group. The gas yield of unit total solid (TS) was 288.42 ml·g-1 in the alkali pretreatment system, which was 17.08% higher than control group, and methane content reached 61.14%.

AB - In order to compare the effects of different pretreatment methods on gas production performance of artemisia selengensis straw, the straw was pretreated with acid or alkali of different concentrations before anaerobic digestion. Alkali pretreatment could effectively improve the performance of biogas production comparing with the control group, and the 2% NaOH pretreatment was the best. VFA concentration could be up to 4882.34 mg·L-1 at the early stage of anaerobic fermentation in the alkali pretreatment system, which was 705.21% higher than the control group. The gas yield of unit total solid (TS) was 288.42 ml·g-1 in the alkali pretreatment system, which was 17.08% higher than control group, and methane content reached 61.14%.

KW - Acid pretreatment

KW - Alkali pretreatment

KW - Anaerobic fermentation

KW - Artemisia selengensis straw

KW - Methane

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Effect of acid and alkali pretreatment on anaerobic fermentation of artemisia selengensis straw

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