Researches progress and application development of sewage sludge biochar

doi:10.16085/j.issn.1000-6613.2016.s2.065

Abstract

Abstract: The technique of biochar preparation from sewage sludge is one of the most important ways for sludge recycling.Its advantages include low cost,simple method,and so on.In order to promote the development and application of the technique,this essay briefly summarized the present research statue from three aspects:preparation methods,influence factors and application fields.The merits and demerits of different preparation methods were discussed.The effects of different factors on yield,specific surface area,pore size and distribution of sludge biocar were discussed in detail.The application of sludge biochar in the fields of environment and agriculture are summarized.The existing problems of sludge biochar,such as low yield,precipitation of heavy metals and difference of production batches,were pointed out.At last,the future developments of sludge biochar were predicted.

Key words: sludge, adsorbents, biochar, waste treatment, preparation, resource recovery

摘要： 以污泥为原料制备生物炭是实现污泥资源化利用的途径之一，具有成本低、方法简单等优点。为了推动污泥制备生物炭技术的发展和应用，本文从制备方法、影响因素和应用领域等方面总结和归纳了污水处理厂污泥制备生物炭的研究现状，阐述了污泥生物炭不同制备方法及其优缺点，详细分析了不同影响因素对污泥生物炭产率、比表面积、孔径大小和孔径分布等特点的影响，总结了污泥生物炭在环境和农业领域的应用情况，提出了目前污泥制备生物炭技术存在的生物炭产率低、重金属易析出和生产批次差异等问题，并指出了今后的发展方向。

关键词: 污泥, 吸附剂, 生物炭, 废物处理, 制备, 资源化

CLC Number:

TU992.3

ZHAI Shimin, LIU Rongzhan, GUO Xuesong, XIAO Benyi. Researches progress and application development of sewage sludge biochar[J]. Chemical Industry and Engineering Progree, 2016, 35(S2): 363-368.

翟世民, 柳荣展, 郭雪松, 肖本益. 污水处理厂污泥制备生物炭及应用的研究进展[J]. 化工进展, 2016, 35(S2): 363-368.

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