污泥水热处理制备清洁燃料的研究进展

doi:10.16085/j.issn.1000-6613.2017-0736

化工进展 ›› 2018, Vol. 37 ›› Issue (01): 311-318.DOI: 10.16085/j.issn.1000-6613.2017-0736

污泥水热处理制备清洁燃料的研究进展

庄修政^1,2,3,4, 黄艳琴^1,2,3, 阴秀丽^1,2,3, 吴创之^1,2,3

1 中国科学院广州能源研究所, 广东广州 510640;
2 中国科学院可再生能源重点实验室, 广东广州 510640;
3 广东省新能源和可再生能源研究开发与应用重点实验室, 广东广州 510640;
4 中国科学院大学, 北京 100049

收稿日期:2017-04-24 修回日期:2017-07-20 出版日期:2018-01-05 发布日期:2018-01-05
通讯作者: 阴秀丽,研究员,博士生导师,研究方向为生物质热解气化、生物燃料重整制氢等。
作者简介:庄修政(1992-),男,硕士研究生,主要研究方向为生物质燃料的制备与转化。
基金资助:
国家自然科学基金（51661145022，51676195）及广东省自然科学基金重大基础研究培育项目（2017B030308002）。

Research on clean solid fuel derived from sludge employing hydrothermal treatment

ZHUANG Xiuzheng^1,2,3,4, HUANG Yanqin^1,2,3, YIN Xiuli^1,2,3, WU Chuangzhi^1,2,3

1 Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, Guangdong, China;
2 CAS Key Laboratory of Renewable Energy, Guangzhou 510640, Guangdong, China;
3 Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, Guangdong, China;
4 University of Chinese Academy of Sciences, Beijing 100049, China

Received:2017-04-24 Revised:2017-07-20 Online:2018-01-05 Published:2018-01-05

摘要/Abstract

摘要： 目前，庞大的污泥产生量是困扰工业与市政工程的一个主要问题，对其减量化与能源化利用是污泥处置的关键。其中，水热技术是一种可直接并有效利用污泥等高含水率废弃物的处理手段。本文首先介绍了污泥的特点以及处理现状，然后总结了国内外近年来关于污泥水热处理工艺的发展历程与工业应用情况。此外，着重讨论了水热处理对污泥能源化利用的各项优势，包括：降低NO_x、酸性气体与飞灰等污染物的排放，固定污泥重金属，改善污泥燃料性能，提高污泥脱水性能以及降低其处理成本等。同时，针对不同种类污泥的不同组分在水热处理过程中的反应过程与影响因素进行了详细讨论。最后，对于污泥水热处理能源化利用的发展前景作出展望，指出深入研究污泥与其他废弃物混合水热或焚烧过程中的协同作用是制备高品质燃料的重要途径。

关键词: 城市污泥, 水热处理, 固体燃料, 燃烧

Abstract: Recently, the increasing amount of sludge is a challenge for industrial and municipal activities. Minimizing the volume of sludge and recovering energy so far have been the focus of research. This paper introduced the characteristics of sludge and its disposal status, then comprehensively compared the industrial application of hydrothermal treatment at home and abroad. Additionally, the advantages of producing clean solid fuel via hydrothermal treatment were pointed out, including the improvement of dewaterability, the upgrading of fuel characteristics, the stabilization of heavy metals, the lower cost and the reduction of pollutions from NO_x, acid gas and fly ash. Meanwhile, the influence of hydrothermal temperature and time on the reaction pathways and conversion mechanism of different components in sludge were also discussed in detail. Finally, the main research direction of hydrothermal treatment for sludge was put forward. Studying the synergistic effect of sludge and other high moisture waste during hydrothermal process or combustion is considered as an important way to produce great quality fuel.

Key words: sewage sludge, hydrothermal treatment, solid fuel, combustion

中图分类号:

庄修政, 黄艳琴, 阴秀丽, 吴创之. 污泥水热处理制备清洁燃料的研究进展[J]. 化工进展, 2018, 37(01): 311-318.

ZHUANG Xiuzheng, HUANG Yanqin, YIN Xiuli, WU Chuangzhi. Research on clean solid fuel derived from sludge employing hydrothermal treatment[J]. Chemical Industry and Engineering Progress, 2018, 37(01): 311-318.

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污泥水热处理制备清洁燃料的研究进展

Research on clean solid fuel derived from sludge employing hydrothermal treatment

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