DRY ANAEROBIC FERMENTATION OF KITCHEN WASTE AND FOOD WASTE AND ALLEVIATION OF ACID INHIBITION BY ACTIVATED CARBON

LI Tong; WANG Pan; CHEN Xi-teng; ZHAO Ze-xi; MA Li-juan; REN Lian-hai

doi:10.13205/j.hjgc.202009034

Volume 38 Issue 9

Nov. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(9): 213-218

LI Tong, WANG Pan, CHEN Xi-teng, ZHAO Ze-xi, MA Li-juan, REN Lian-hai. DRY ANAEROBIC FERMENTATION OF KITCHEN WASTE AND FOOD WASTE AND ALLEVIATION OF ACID INHIBITION BY ACTIVATED CARBON[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 213-218. doi: 10.13205/j.hjgc.202009034

Citation:

LI Tong, WANG Pan, CHEN Xi-teng, ZHAO Ze-xi, MA Li-juan, REN Lian-hai. DRY ANAEROBIC FERMENTATION OF KITCHEN WASTE AND FOOD WASTE AND ALLEVIATION OF ACID INHIBITION BY ACTIVATED CARBON[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 213-218. doi: 10.13205/j.hjgc.202009034

Citation:

LI Tong, WANG Pan, CHEN Xi-teng, ZHAO Ze-xi, MA Li-juan, REN Lian-hai. DRY ANAEROBIC FERMENTATION OF KITCHEN WASTE AND FOOD WASTE AND ALLEVIATION OF ACID INHIBITION BY ACTIVATED CARBON[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 213-218. doi: 10.13205/j.hjgc.202009034

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DRY ANAEROBIC FERMENTATION OF KITCHEN WASTE AND FOOD WASTE AND ALLEVIATION OF ACID INHIBITION BY ACTIVATED CARBON

doi: 10.13205/j.hjgc.202009034

State Environmental Protection Key Laboratory of Food Chain Pollution Control, School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China

Received Date: 2019-09-15

Abstract

Abstract

The dry anaerobic fermentation performance of kitchen waste and food waste to produce methane characteristics under mesophilic (35℃) and thermophilic (55℃) condition were studied respectively. The results showed that the cumulative gas production in the thermophilic fermentation were higher than that in 35℃ temperature groups. When the ratio of kitchen waste and food waste was 1:5 in the high temperature group, the cumulative gas production reached the highest level. The maximum cumulative gas production was 2492.5 mL, which was 1.4 times of the production of methane in the medium temperature group. In order to increase the yield of biogas, 4 kinds of activated carbon, such as sugarcane rind, straw, peanut vine and biogas residue, were prepared and the effects of different kinds of activated carbon on anaerobic fermentation were investigated. The experimental results showed that the 4 kinds of activated carbon had honeycomb shaped holes, especially the activated carbon produced from sugarcane rind had relatively higher regular and complete holes, which could provide larger area for microbes and improve the process of gas producing. When sugarcane rind activated carbon was added in the system, the cumulative gas production could reach 3410 mL, 20.1% higher than that of blank group.
- kitchen waste,
- food waste,
- dry anaerobic fermentation,
- methane,
- biomass activated carbon

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