首页> 外文期刊>Clean air >CaO-BASED CHEMICAL LOOPING GASIFICATION OF BIOMASS FOR THE PRODUCTION OF HYDROGEN-ENRICHED GAS AND CO_2 NEGATIVE EMISSIONS: A REVIEW
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CaO-BASED CHEMICAL LOOPING GASIFICATION OF BIOMASS FOR THE PRODUCTION OF HYDROGEN-ENRICHED GAS AND CO_2 NEGATIVE EMISSIONS: A REVIEW

机译:基于CAO的化学环循环气化的生物质,用于生产富含富含氢气和CO_2负排放:综述

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摘要

Hydrogen as an energy carrier plays an important role in the energy consumption system. Compared to other technologies, CaO-based chemical looping gasification of biomass (CaO-based CLGB) is a sustainable way for producing hydrogen-enriched gas and CO _( 2 ) negative emissions. As the residence time of fixed carbon in a gasifier is short, the CO _( 2 ) capture efficiency of the CaO-based CLGB system is low. To conquer this problem, the CaO-based CLGB configuring with carbon stripper was discussed in this paper. The decay of the CO _( 2 ) capture capacity of natural CaO-based sorbents is a main factor to restrain the development of CaO-based CLGB. Some promising methods have been applied to solve this problem. According to the purpose of technology, three representative technologies were discussed in this paper. Compared to other technologies, replacing natural or synthetic CaO-based sorbents is an economic and environmentally friendly solution. Calcium-rich industrial waste (CRIW) combined with the characteristics of cheapness, wide-source and environmental protection is an ideal substitute of CaO-based sorbents for replacing natural or synthetic CaO-based sorbents. The prospect of CRIW as a CaO-based sorbent was discussed in this paper.
机译:作为能量载体的氢在能量消耗系统中起着重要作用。与其他技术相比,生物量(基于CAO基CLGB)的基于CAO的化学环状气化是生产富含氢气和CO _(2)负排放的可持续方式。由于固定碳在气化器中的停留时间短,因此CAO的CLGB系统的CO _(2)捕获效率低。为了征服这个问题,本文讨论了用碳剥离器配置的基于CAO的CLGB。 CO _(2)天然CAO的吸附剂的捕获能力的衰减是抑制基于CAO的CLGB的发展的主要因素。一些有希望的方法已经应用于解决这个问题。根据技术的目的,本文讨论了三种代表性技术。与其他技术相比,取代自然或合成的CAO基吸附剂是一种经济和环保的解决方案。富含钙的工业废物(CRIW)结合廉价,广泛和环境保护的特点是曹系吸附剂的理想替代,用于替代天然或合成的CAO基吸附剂。本文讨论了CRIW作为CaO的吸附剂的前景。

著录项

  • 来源
    《Clean air》 |2018年第4期|257-302|共46页
  • 作者单位

    Key Laboratory of Thermo-Fluid Science and Engineering Ministry of Education School of Energy and Power Engineering Xi'an JiaotongUniversity Xi'an;

    Key Laboratory of Thermo-Fluid Science and Engineering Ministryof Education School of Energy and Power Engineering Xi'an JiaotongUniversity Xi'an|Guangdong Xi'an Jiaotong University Academy Foshan Guangdong;

    Key Laboratory of Thermo-Fluid Science and Engineering Ministryof Education School of Energy and Power Engineering Xi'an JiaotongUniversity Xi'an;

    School of Energy and Power Engineering Jiangsu University Zhenjiang Jiangshu;

    School of Marine Sciences Guangxi University;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    biomass gasification; hydrogen production; COlt; subgt; 2lt; /subgt; capture; chemical looping gasification; calcium-rich industrial waste;

    机译:生物质气化;氢气生产;CO<亚>2</ sub>捕获;化学循环气化;富含钙的工业废物;

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