Modeling of hydrogen production process from biomass using oxygen blown gasification

被引：31

作者：

Bhattacharya, Atmadeep ^{[1
]}

Bhattacharya, Abhishek ^{[1
]}

Datta, Amitava ^{[1
]}

机构：

[1] Jadavpur Univ, Dept Power Engn, Kolkata 700098, India

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 24期

关键词：

Hydrogen; Biomass; Gasification; Air separation unit; Specific energy consumption; Efficiency; AIR SEPARATION UNITS; RICH GAS; STEAM GASIFICATION; GASIFIER; OPTIMIZATION; PROSPECTS; CYCLES;

D O I：

10.1016/j.ijhydene.2012.09.131

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：

Hydrogen has a great potential as fuel of the future and biomass can be a useful resource for the production of hydrogen. In the present work, a thermodynamic model has been developed to evaluate the yield of hydrogen from biomass through gasification in an oxygen-rich environment followed by carbon monoxide shift reaction with the injection of water. The effects of operating conditions, like gasifier equivalence ratio, quantity of water injected in the shift reactor and oxygen percentage in the gasifying agent, on the hydrogen concentration in the product gas from biomass have been evaluated. It is predicted that the process can generate 102 g hydrogen per kg of biomass, resulting in a cold gas efficiency of 65.4%. However, the air separation unit consumes a considerable amount of work in compression and refrigeration and these would decrease the overall efficiency by about 3.6 percentage points in a 5-stage compressor system. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：18782 / 18790

页数：9

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