Advanced oxidation-based combined conditioning technologies to improve sludge dewaterability: A mini review

被引：5
作者：
He, Zhongqi [1 ,2 ]
Zhou, Xu [1 ,2 ]
Fan, Xiumin [3 ]
Jin, Wenbiao [1 ,2 ]
Chen, Chuan [4 ]
Yan, Bowen [1 ,2 ]
Yin, Shiyu [1 ,2 ]
Zhou, Ting [5 ]
Li, Xuan [5 ]
Jiang, Guangming [6 ]
机构：
[1] Harbin Inst Technol Shenzhen, Sch Civil & Environm Engn, State Key Lab Urban Water Resource & Environm, Shenzhen 518055, Peoples R China
[2] Harbin Inst Technol Shenzhen, Shenzhen Engn Lab Microalgae Bioenergy, Shenzhen 518055, Peoples R China
[3] Shenzhen Ecol & Environm Intelligent Management &, Shenzhen 518034, Peoples R China
[4] Harbin Inst Technol, Sch Environm, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
[5] Univ Technol Sydney, Ctr Technol Water & Wastewater, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia
[6] Univ Wollongong, Sch Civil Min & Environm Engn, Wollongong, NSW, Australia
来源：
JOURNAL OF WATER PROCESS ENGINEERING | 2023年 / 53卷
关键词：
Sludge conditioning; Advanced oxidation process; Biochar; Electrochemical treatment; Acid treatment; WASTE ACTIVATED-SLUDGE; EXTRACELLULAR POLYMERIC SUBSTANCES; ZERO-VALENT IRON; SEWAGE-SLUDGE; PEROXYMONOSULFATE; PRETREATMENT; SOLUBILIZATION; BIOCHAR; DRIVEN;
D O I：
10.1016/j.jwpe.2023.103773
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
With the acceleration of urbanization, sludge production is increasing significantly. The high moisture content of sludge brings great challenges to subsequent incineration or landfill disposal. The advanced oxidation process (AOP) destroys extracellular polymeric substances (EPS) by generating oxidative hydroxyl radicals or sulfate radicals, thereby improving the sludge dewaterability. Due to the promising treatment efficiency of this process, it has become the research focus of chemical conditioning. However, the relatively high cost of pharmaceuticals and subsequent environmental risks limit the widespread application of advanced oxidation methods. Moreover, in order to compensate for the limitations of single sludge conditioning technology, the sludge conditioning technology is currently being developed in the direction of a combined process. Based on AOP, this paper reviews the improvement of sludge dewaterability by other sludge conditioning methods and their combinations in recent years, analyzes the shortcomings of the current technology, and looks into the future development of this technology.
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页数：11
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