Upscaling of biohydrogen production process in semi-pilot scale biofilm reactor: Evaluation with food waste at variable organic loads

被引：43
|
作者：
Pasupuleti, Suresh Babu [1 ]
Sarkar, Omprakash [1 ]
Mohan, S. Venkata [1 ]
机构：
[1] CSIR, Indian Inst Chem Technol, Bioengn & Environm Sci BEES, Hyderabad 500007, Andhra Pradesh, India
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 14期
关键词：
Acidogenic fermentation; pH; Volatile fatty acids; COD; Sequencing batch biofilm reactor; SEQUENCING BATCH REACTOR; HYDROGEN-PRODUCTION; WATER TREATMENT; ACIDOGENIC FERMENTATION; SUBSTRATE; PRETREATMENT;
D O I：
10.1016/j.ijhydene.2014.02.034
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The present account focuses on upscaling of biohydrogen (H-2) production at semi-pilot scale bioreactor using composite food waste. Experiments were conducted at different organic load (6, 12, 18, 30, 40, 50 and 66 g COD/l) conditions. H-2 production increased with an increasing organic load up to 50 g COD/l (9.67 l/h) followed by 40 g COD/1 (6.48 1/h), 30 g COD/1 (1.97 l/h), 18 g COD/1 (0.90 l/h), 12 g COD/1 (0.78 l/h) and 6 g COD/1 (0.32 l/h). H-2 production was affected by acidification (pH drop to 3.96) at 66 g COD/1 operation due to the excess accumulation of soluble metabolites (5696 mg VFA/1). Variation in organic load of food waste influenced the overall hydrogen production efficiency. (C) Copyright 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：7587 / 7596
页数：10
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