The migration and transformation behaviors of heavy metals during the hydrothermal treatment of sewage sludge

被引：304
|
作者：
Huang, Hua-jun [1 ]
Yuan, Xing-zhong [2 ]
机构：
[1] Jiangxi Agr Univ, Sch Land Resources & Environm, Nanchang 330045, Peoples R China
[2] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 200卷
关键词：
Sewage sludge; Hydrothermal treatment; Heavy metals; Re-distribution behavior; Chemical speciation transformation; SEQUENTIAL EXTRACTION PROCEDURE; SUPERCRITICAL WATER GASIFICATION; RISK-ASSESSMENT; BIO-OIL; QUANTITATIVE-EVALUATION; ENVIRONMENTAL RISK; WOOD SLUDGE; LIQUEFACTION; SPECIATION; ENERGY;
D O I：
10.1016/j.biortech.2015.10.099
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Various hydrothermal treatment methods, including hydrothermal carbonization, liquefaction and sub/super-critical water gasification, have been applied to the disposal of sewage sludge for producing bio-materials or bio-fuels. It has become a research hotspot whether the heavy metals contained in sewage sludge can be well treated/stabilized after the hydrothermal treatments. This review firstly summarized the methods of assessing heavy metals' contamination level/risk and then discussed the migration and transformation behaviors of heavy metals from the following aspects: the effect of reaction temperature, the effect of additives (catalysts and other biomass), the effect of the type of solvent and the effect of reaction time. This review can provide an important reference for the further study of the migration and transformation behaviors of heavy metals during the hydrothermal treatment of sewage sludge. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：991 / 998
页数：8
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