Effects and optimization of the use of biochar in anaerobic digestion of food wastes

© The Author(s) 2016.

Bibliographische Detailangaben
Veröffentlicht in:Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA. - 1991. - 34(2016), 5 vom: 04. Mai, Seite 409-16
1. Verfasser: Cai, Jiao (VerfasserIn)
Weitere Verfasser: He, Pinjing, Wang, Ying, Shao, Liming, Lü, Fan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
Schlagworte:Journal Article Biochar additives anaerobic digestion inoculum-to-substrate ratio organic loading rate Biofuels Fatty Acids, Volatile biochar Charcoal mehr... 16291-96-6 Carbon 7440-44-0 Nitrogen N762921K75 Methane OP0UW79H66
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520 |a The addition of various amounts of biochar to anaerobic digestion of food wastes at different ratios of inoculum to substrate (ISR) was investigated to evaluate the effect of biochar as a functional additive and to optimize the additive dosage of biochar. The biochar treatments at ISR 2, 1, and 0.8 shortened the lag phase of digestion by -20.0%-10.9%, 43.3%-54.4%, and 36.3%-54.0%, and raised the maximum methane production rate by 100%-275%, 100%-133.3%, and 33.3%-100%, respectively, compared to control without biochar. Biochar also enhanced the degradation rate of dissolved organics and volatile fatty acids. Furthermore, the amount of biochar with best effectiveness at ISR = 2, 1, and 0.8 was 2.5, 0.625, and 0.5 g g(-1)-waste, respectively. Therefore, the effectiveness of biochar depended on the additive amount of biochar and at the same time the inoculum amount, implying a complementary role of abiotic biochar to biotic inoculum 
650 4 |a Journal Article 
650 4 |a Biochar 
650 4 |a additives 
650 4 |a anaerobic digestion 
650 4 |a inoculum-to-substrate ratio 
650 4 |a organic loading rate 
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650 7 |a Fatty Acids, Volatile  |2 NLM 
650 7 |a biochar  |2 NLM 
650 7 |a Charcoal  |2 NLM 
650 7 |a 16291-96-6  |2 NLM 
650 7 |a Carbon  |2 NLM 
650 7 |a 7440-44-0  |2 NLM 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
650 7 |a Methane  |2 NLM 
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700 1 |a He, Pinjing  |e verfasserin  |4 aut 
700 1 |a Wang, Ying  |e verfasserin  |4 aut 
700 1 |a Shao, Liming  |e verfasserin  |4 aut 
700 1 |a Lü, Fan  |e verfasserin  |4 aut 
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