Powdered activated carbon augmented activated sludge process for treatment of semi-aerobic landfill leachate using response surface methodology

被引：96

作者：

Aghamohammadi, Nasrin

Aziz, Hamidi bin Abdul

Isa, Mohamed Hasnain

Zinatizadeh, Ali Akbar

机构：

[1] Univ Sains Malaysia, Sch Civil Engn, Nibong Tebal 14300, Penang, Malaysia

[2] Univ Tehran, Grad Fac Environm, Tehran, Iran

[3] Water & Power Ind Inst Appl & Sci Higher Educ, Water & Environm Div, Kermanshah, Iran

来源：

BIORESOURCE TECHNOLOGY | 2007年 / 98卷 / 18期

关键词：

semi-aerobic landfill leachate; powdered activated carbon; activated sludge process;

D O I：

10.1016/j.biortech.2006.11.037

中图分类号：

S2 [农业工程];

学科分类号：

0828 [农业工程];

摘要：

This study was conducted to investigate aerobic biodegradation of semi-aerobic leachate with and without powdered activated carbon (PAC) addition. The experiment involved operating two 16 L laboratory-scale activated sludge reactors in parallel at room temperature and adjusted to pH 6.5 +/- 0.5. One of the reactors was supplemented with PAC of 75-150 mu m size to observe its effect on semi-aerobic leachate biodegradation. Three hydraulic retention times (0.92, 1.57 and 2.22 d) and influent COD concentrations (750, 1800 and 2850 mg/L) were applied in a factorial design for this study. The results showed enhanced reactor performance due to PAC addition with higher COD, colour and ammoniacal nitrogen removals. The PAC augmented reactor also had higher concentrations of NO2-N and NO3-N consequent of greater degree of nitrification. (C) 2006 Elsevier Ltd. All rights reserved.

引用

页码：3570 / 3578

页数：9

共 17 条

[1]

Application of the central composite design and response surface methodology to the advanced treatment of olive oil processing wastewater using Fenton's peroxidation [J].