Utilization of PEI-modified Corynebacterium glutamicum biomass for the recovery of Pd(II) in hydrochloric solution

被引：107
|
作者：
Won, Sung Wook [1 ,2 ,4 ]
Park, Jiyeong [1 ,2 ]
Mao, Juan [3 ]
Yun, Yeoung-Sang [1 ,2 ,3 ,4 ]
机构：
[1] Chonbuk Natl Univ, Div Chem Engn, Jeonju 561756, South Korea
[2] Chonbuk Natl Univ, Ind Technol Res Inst, Jeonju 561756, South Korea
[3] Chonbuk Natl Univ, Dept Bioproc Engn, Jeonju 561756, South Korea
[4] Chonbuk Natl Univ, WCU Project, Dept New Paradigm BIN Fus Technol, Jeonju 561756, South Korea
来源：
BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 04期
关键词：
Recovery; Palladium; Polyethylenimine; Corynebacterium glutamicum; CROSS-LINKED CHITOSAN; PALLADIUM SORPTION; AQUEOUS-SOLUTIONS; CHELATING RESIN; HEAVY-METALS; BIOSORPTION; ADSORPTION; PLATINUM(IV); GOLD(III); DERIVATIVES;
D O I：
10.1016/j.biortech.2010.11.106
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A new type of biosorbent was developed for binding anionic precious metals through cross-linking waste biomass Corynebacterium glutamicum with polyethylenimine (PEI). This biomass was evaluated for the removal and recovery of palladium and compared to commercial adsorbents, such as Amberjet 4200 Cl, Lewatit Monoplus TP 214, SPC-100, and SPS-200. The kinetic experiments revealed that the sorption equilibrium was reached with 30 min for the PEI-modified biomass. The maximum uptake of the biosorbent was 176.8 mg/g, which was calculated using the Langmuir model. The Pd(II) maximum uptake exhibited the following order: Amberjet 4200 Cl > Lewatit Monoplus TP 214 > PEI-modified biomass > SPC-100 > SPS-200. Acidified thiourea in 1.0 M HCl was used to desorb Pd(II) from all of the sorbents examined. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3888 / 3893
页数：6
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