Improvement criteria for different advanced technologies towards bio-stabilized leachate based on molecular subcategories of DOM

被引：31

作者：

He, Pinjing ^{[1
]}

Liu, Wanying ^{[1
]}

Qiu, Junjie ^{[1
]}

Zhang, Hua ^{[1
,2
]}

Huang, Yulong ^{[1
]}

Deng, Yingtao ^{[1
]}

Shao, Liming ^{[1
]}

Lu, Fan ^{[1
,2
]}

机构：

[1] Tongji Univ, Inst Waste Treatment & Reclamat, Shanghai 200092, Peoples R China

[2] Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2021年 / 414卷

基金：

中国国家自然科学基金;

关键词：

Recalcitrantly biodegraded organics; PAC adsorption; Electrolysis; Fenton; Membrane technologies; DISSOLVED ORGANIC-MATTER; LANDFILL LEACHATE; ACTIVATED CARBON; MEMBRANE BIOREACTOR; WATER-TREATMENT; ANODIC-OXIDATION; REMOVAL; BIODEGRADATION; COAGULATION; CHALLENGES;

D O I：

10.1016/j.jhazmat.2021.125463

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Considering dissolved organic matter (DOM) molecules, the present study is an attempt to unravel the individual removal targets of nine advanced treatment technologies for bio-stabilized landfill leachate. For the eight DOM molecular subcategories, preferable technologies and removal rates were as follows: lipids - powdered activated carbon (PAC) adsorption (97%) and Fenton (97%); proteins - extended electrolysis (92%) and Fenton (92%); and lignins/carboxylic rich alicyclic molecules (CRAM)-like organics - Fenton (90%) and extended electrolysis (75%). As to individual technologies, Fenton, PAC adsorption, extended electrolysis, and reverse osmosis (RO) had the highest removal rates based on the intensity and abundance of DOM. As to the improved technology combinations, "Fenton with PAC adsorption" and "PAC adsorption with reverse osmosis" were then recommended according to the target complementarity in compound intensity and abundance. The study suggested that the treatment strategy of an unknown recalcitrantly biodegraded wastewater could be designed in a tailored way based on the subcategorized DOM characteristics of the refractory wastewater.

引用

页数：10

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