Comparative Studies on Nitrophenol Removal by Adsorption and Simultaneous Adsorption-Biodegradation Processes

被引：7

作者：

Prateek ^{[1
]}

Thakur, Chandrakant ^{[1
]}

Srivastava, Vimal Chandra ^{[1
]}

Mall, Indra Deo ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem Engn, Roorkee 247667, Uttarakhand, India

来源：

INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING | 2013年 / 11卷

关键词：

sequencing batch reactor; 4-nitrophenol; adsorption; granular activated carbon; kinetics; thermodynamics; SEQUENCING BATCH REACTOR; GRANULAR ACTIVATED CARBON; P-NITROPHENOL; AQUEOUS-SOLUTIONS; WASTE-WATER; RICE-HUSK; 4-NITROPHENOL BIODEGRADATION; PHENOL; SLUDGE; KINETICS;

D O I：

10.1515/ijcre-2013-0088

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this paper, it was aimed to study the removal of 4-nitrophenol (NP) from aqueous solution by adsorption using granular activated carbon (GAC); and in sequencing batch reactor (SBR) without any adsorbent (blank-SBR) and with an SBR loaded with GAC (GAC-SBR). During adsorption study with GAC, effect of pH, adsorbent dose (m) and contact time (t) were studied. Adsorption isotherm, kinetic and thermodynamic parameters were determined. During NP removal in SBR, effect of hydraulic retention time (HRT), initial concentration (C-0) and m were studied. The percent removal in case of GAC-SBR was found to be greater in comparison to blank-SBR. The removal of NP from blank-SBR and GAC-SBR for C0 of 35, 65 and 100 mg/l was found to be 90.46% and 91.23% (m = 2 g/l); 52.33% and 96.05% (m = 2.5 g/l); 20.01% and 92.72% (m = 2.5 g/l), respectively.

引用

页码：595 / 607

页数：13

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