A modeling approach to describe ZVI-based anaerobic system

被引：67

作者：

Xiao, Xiao ^{[1
]}

Sheng, Guo-Ping ^{[2
]}

Mu, Yang ^{[2
]}

Yu, Han-Qing ^{[2
]}

机构：

[1] Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China

来源：

WATER RESEARCH | 2013年 / 47卷 / 16期

关键词：

Anaerobic Digestion Model No. 1; Less biodegradable pollutants (LBP); Zero-valent iron; ZERO-VALENT IRON; DYE WASTE-WATER; REDUCTIVE TRANSFORMATION; DIGESTION; REACTOR; PERFORMANCE; TRICHLOROETHYLENE; DECHLORINATION; REMOVAL; PH;

D O I：

10.1016/j.watres.2013.07.025

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Zero-valent iron (ZVI) is increasingly being added into anaerobic reactors to enhance the biological conversion of various less biodegradable pollutants (LBPs). Our study aimed to establish a new structure model based on the Anaerobic Digestion Model No. 1 (ADM1) to simulate such a ZVI-based anaerobic reactor. Three new processes, i.e., electron release from ZVI corrosion, H-2 formation from ZVI corrosion, and transformation of LBPs, were integrated into ADM1. The established model was calibrated and tested using the experimental data from one published study, and validated using the data from another work. A good relationship between the predicted and measured results indicates that the proposed model was appropriate to describe the performance of the ZVI-based anaerobic system. Our model could provide more precise strategies for the design, development, and application of anaerobic systems especially for treating various LBPs-containing wastewaters. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：6007 / 6013

页数：7

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