Effects of Different Treatments on Properties of Biogas Fermentation with Ginger Skin

Abstract:

In order to obtain gas potential and characteristics of ginger skin in biogas fermentation as raw material, and explore effect of different treatments on properties of biogas fermentation with ginger skin. At the temperature of 30°C, biogas fermentations with ginger skin were treated in two ways (natural decay and mixed with pig manure). Experiments were respectively set five different treatments (direct fermentation, natural decay, adding pig manure after natural decay (TS content of pig manure / TS content of ginger skin were respectively 1:1, 2:1 and 3:1)). The results showed gas potential of ginger skin and total gas production were respectively 118.08ml/gTS and 320ml, after the 11^th day, the fermentation was in a serious acidification, as a result of stopping gas production. The fermentations with ginger skin which went through natural decay and adding pig manure after natural decay can both eliminate acidification which caused by use of ginger skin directly, and conduce to the fermentation with ginger skin. The fermentation with ginger skin which went through natural decay had higher degradation rate of TS, total gas production, TS gas potential and methane content than fermentation with ginger skin directly.

• Periodical: Advanced Materials Research (Volumes 953-954)
• Pages: 284-289
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.953-954.284
• Online since: June 2014
• Authors: Jing Hui Liu, Wi Di Zhang, Fang Yin, Jing Liu, Xing Ling Zhao, Shi Qing Liu, Ling Xu, Yu Bao Chen, Hong Yang
• Keywords: Biogas Fermentation, Ginger Skin, Treatment

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