Treatment of Reactive Dye Wastewater by Transpiring-wall Supercritical Water Oxidation (SCWO) Reactor

被引：0

作者：

Li, Fang ^{[1
]}

Gong, Weijin

Tian, Qing ^{[1
]}

Yang, Bo ^{[1
]}

Chen, Jihua ^{[1
]}

Xi, Danli ^{[1
]}

机构：

[1] Donghua Univ, Coll Environm Sci & Engn, Shanghai 201620, Peoples R China

来源：

PROGRESS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY, VOL II, PTS A AND B | 2009年

关键词：

transpiring-wall; SCWO; kinetics; dye wastewater; DEGRADATION;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Oxidation of aqueous solutions of dye (reactive red M-2B) was studied in a transpiring-wall SCWO reactor, operated under varied temperatures between 595 and 704 K with a fixed pressure of 28 MPa. Temperature, dye concentration, oxidant concentration and flow rate were the main controlled parameters. The modified pseudo first-order rate model was regressed from experimental data, taking into account the induction time effect. The resulting pre-exponential factor A and activation energy Ea were 1.07/s and 12.12 kJ.mol(-1), respectively, assuming that the reaction order for feed wastewater (based on COD) and oxidant were first order and zero order respectively. Scanning electron microscope (SEM) and weight tests demonstrated ceramic tube was corroded.

引用

页码：1365 / 1369

页数：5

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