Thermophilic anaerobic co-digestion of organic fraction of municipal solid waste (OFMSW) with food waste (FW): Enhancement of bio-hydrogen production

被引：65
|
作者：
Angeriz-Campoy, Ruben [1 ]
Alvarez-Gallego, Carlos J. [1 ]
Romero-Garcia, Luis I. [1 ]
机构：
[1] Univ Cadiz, Dept Chem Engn & Food Technol, Fac Sci, Int Campus Excellence CeiA3, Puerto Real 11510, Spain
来源：
BIORESOURCE TECHNOLOGY | 2015年 / 194卷
关键词：
Bio-hydrogen; Co-digestion; Organic fraction of municipal solid waste; Food waste; Solid retention time; BIOHYDROGEN-PRODUCTION; METHANE PRODUCTION; DARK FERMENTATION; VEGETABLE WASTES; BIOMASS; ACIDOGENESIS; GENERATION; CULTURE; REACTOR; WATER;
D O I：
10.1016/j.biortech.2015.07.011
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Bio-hydrogen production from dry thermophilic anaerobic co-digestion (55 degrees C and 20% total solids) of organic fraction of municipal solid waste (OFMSW) and food waste (FW) was studied. OFMSW coming from mechanical-biological treatment plants (MBT plants) presents a low organic matter concentration. However, FW has a high organic matter content but several problems by accumulation of volatile fatty acids (VFAs) and system acidification. Tests were conducted using a mixture ratio of 80:20 (OFSMW:FW), to avoid the aforementioned problems. Different solid retention times (SRTs) - 6.6, 4.4, 2.4 and 1.9 days - were tested. It was noted that addition of food waste enhances the hydrogen production in all the SRTs tested. Best results were obtained at 1.9-day SRT. It was observed an increase from 0.64 to 2.51 L H-2/L-reactor day in hydrogen productivity when SRTs decrease from 6.6 to 1.9 days. However, the hydrogen yield increases slightly from 33.7 to 38 mL H-2/gVS(added). (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：291 / 296
页数：6
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