New criteria to determine the destabilization of the acidogenic anaerobic co-digestion of organic fraction of municipal solid waste (OFMSW) with mixed sludge (MS)

被引：17
作者：
Angeriz-Campoy, R. [1 ]
Fdez-Guelfo, L. A. [2 ]
Tyagi, Vinay Kumar [3 ]
Alvarez-Gallego, C. J. [1 ]
Romero-Garcia, L. I. [1 ]
机构：
[1] Univ Cadiz, Dept Chem Engn & Food Technol, Fac Sci, Inst Viticulture & Agrifood Res IVAGRO, Int Campus Excellence CeiA3, Cadiz 11510, Spain
[2] Univ Cadiz, Dept Environm Technol, Fac Marine & Environm Sci, Inst Viticulture & Agrifood Res IVAGRO, Int Campus Excellence CeiA3, Cadiz 11510, Spain
[3] Nanyang Technol Univ, Nanyang Environm & Water Res Inst, Adv Environm Biotechnol Ctr, 1 Clean Tech Loop, Singapore 637141, Singapore
来源：
BIORESOURCE TECHNOLOGY | 2018年 / 248卷
关键词：
Co-digestion; Organic fraction of municipal solid waste; Mixed sludge; Bio-hydrogen; Hydrolytic destabilization; BIO-HYDROGEN PRODUCTION; FOOD WASTE; BIOHYDROGEN PRODUCTION; SEWAGE-SLUDGE; DARK FERMENTATION; OPTIMIZATION; ENHANCEMENT; FEASIBILITY; BIOREACTOR; CULTURES;
D O I：
10.1016/j.biortech.2017.05.195
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Effect of hydraulic retention time (HRT) on bio-hydrogen production from co-digestion of organic fraction of municipal solid waste (OFMSW) and mixed sludge (MS) in dry thermophilic conditions (55 degrees C and 20% total solids) was investigated. A decreasing sequence of six HRTs, from 2.9 to 0.8-days, was performed to evaluate the stability of the system and the influence of HRT on the organic matter solubilization, the daily hydrogen production (HP) and the specific hydrogen production (SHP). Best results were obtained operating at 1.2-days HRT: HP of 3.67 L H-2/L-reactor/day, SHP of 33.8 mL H-2/gVS(added) and hydrogen percentage in biogas of 52.4%. However, HRTs lower than 1.2-days induce failure in the system due to an unbalance of the hydrolytic phase. This fact was corroborated through the evaluation of two indirect parameters, "non-solubilized carbon" (NSC) and "acidogenic substrate as carbon" (ASC), and the relationships of NSC/TOC and ASC/TOC. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：174 / 179
页数：6
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