Converting the organic fraction of solid waste from the city of Abu Dhabi to valuable products via dark fermentation - Economic and energy assessment

被引：41

作者：

Bonk, Fabian ^{[1
]}

Bastidas-Oyanedel, Juan-Rodrigo ^{[1
]}

Schmidt, Jens Ejbye ^{[1
]}

机构：

[1] Masdar Inst Sci & Technol, Inst Ctr Energy iEnergy, POB 54224, Abu Dhabi, U Arab Emirates

来源：

WASTE MANAGEMENT | 2015年 / 40卷

关键词：

Dark fermentation; Organic fraction municipal solid waste; Volatile fatty acid; Economic analysis; Waste management; VOLATILE FATTY-ACIDS; HYDROGEN-PRODUCTION; FOOD WASTE; THERMOPHILIC ACIDOGENESIS; CARBOXYLATE PLATFORM; 2-STAGE PROCESS; LOADING RATE; ETHANOL; TEMPERATURE; REACTORS;

D O I：

10.1016/j.wasman.2015.03.008

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Landfilling the organic fraction of municipal solid waste (OFMSW) leads to greenhouse gas emissions and loss of valuable resources. Sustainable and cost efficient solutions need to be developed to solve this problem. This study evaluates the feasibility of using dark fermentation (DF) to convert the OFMSW to volatile fatty acids (VFAs), fertilizer and H-2. The VFAs in the DF effluent can be used directly as substrate for subsequent bioprocesses or purified from the effluent for industrial use. DF of the OFMSW in Abu Dhabi will be economically sustainable once VFA purification can be accomplished on large scale for less than 15 USD/m(effluent)(3). With a VFA minimum selling price of 330 USD/t(COD), DF provides a competitive carbon source to sugar. Furthermore, DF is likely to use less energy than conventional processes that produce VFAs, fertilizer and H-2. This makes DF of OFMSW a promising waste treatment technology and biorefinery platform. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：82 / 91

页数：10

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