Adsorption of ammonium by aerobic granules under high ammonium levels

被引：20

作者：

Yu, Xiaonan ^{[1
]}

Wan, Chunli ^{[1
]}

Lei, Zhongfang ^{[1
,2
]}

Liu, Xiang ^{[1
]}

Zhang, Yi ^{[1
]}

Lee, Duu-Jong ^{[1
,3
]}

Tay, Joo-Hwa ^{[1
]}

机构：

[1] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China

[2] Univ Tsukuba, Grad Sch Life & Environm Sci, Tsukuba, Ibaraki 3058572, Japan

[3] Natl Taiwan Univ, Dept Chem Engn, Taipei 106, Taiwan

来源：

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2014年 / 45卷 / 01期

关键词：

Aerobic granules; Ammonium adsorption; High concentration; LANDFILL LEACHATE; AQUEOUS-SOLUTIONS; NITROGEN REMOVAL; SLUDGE; NITRIFICATION; BIOSORPTION; WATER;

D O I：

10.1016/j.jtice.2013.04.017

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

High-strength ammonium (NH4+) wastewaters are difficult to be treated biologically. Aerobic granules are regarded as a promising technology for NH4+ removal from wastewaters. Adsorption using aerobic granules in 50-4000 mg NH4+-N/L wastewaters was studied at 30 degrees C. Adsorption capacity was increased with 50-1000 mg NH4+-N/L and reached plateau of 24.5 mg NH4+-N/g-volatile suspended solids at >2000 mg NH4+-N/L. Ion exchange mechanism controls adsorption at <300 mg NH4+-N/L and physisorption mechanism dominates the process at >1000 mg NH4+-N/L. The biomass of aerobic granules presents a recyclable adsorbent for NH4+ from high-strength wastewaters. (C) 2013 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

引用

页码：202 / 206

页数：5

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