A nutrient formulation for fermentative hydrogen production using anaerobic sewage sludge microflora

被引：190

作者：

Lin, CY ^{[1
]}

Lay, CH ^{[1
]}

机构：

[1] Feng Chia Univ, Dept Environm Engn & Sci, Biohydrogen Lab, Taichung 40724, Taiwan

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2005年 / 30卷 / 03期

关键词：

anaerobic sewage sludge microflora; hydrogen production; nutrient; nutrient formulation;

D O I：

10.1016/j.ijhydene.2004.03.002

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：

Anaerobic sewage sludge acclimated with sucrose in a completely stirred tank reactor operating at 35degreesC was used as a seed in a batch experiment to exploit nutrient formulation for biological hydrogen production by anaerobic microflora (dominated by Clostridium pasteurianum) of sewage sludge. The information about the supplement of various nutrients was collected from the existing literature. Taguchi orthogonal arrays were used in the experimental design and a confirmation experiment was conducted. Experimental results indicated that the sewage sludge enriched with proposed nutrients formulation had a hydrogen productivity of 3.43 mot-H-2 (mol Sucrose)(-1), which was about 30% higher than those of control and using an acidogenic nutrient formulation. This nutrient formulation also increased the hydrogen production rate and hydrogen content by 66% (comparing with the acidogenic nutrient formulation) and 18% (comparing with the control), respectively. Magnesium, sodium, zinc and iron were important trace metals affecting hydrogen production with magnesium the most significant one. Their concentration influences on hydrogen production were different and were discussed. Strategies based on monitoring indicator choice and nutrient concentration control for optimal hydrogen production were proposed. (C) 2004 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

引用

页码：285 / 292

页数：8

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