Selective recovery of palladium by wool resin and woven wool fabric resinrbents

被引：8

作者：

Akioka, Shota ^{[1
]}

Hirai, Shinji ^{[1
]}

Ise, Tomokazu ^{[2
]}

Gando, Naohisa ^{[1
]}

Alharbi, Mohammed Abdullah Hamad ^{[1
]}

机构：

[1] Muroran Inst Technol, Res Ctr Environmentally Friendly Mat Engn, 27-1 Mizumoto Cho, Muroran, Hokkaido 0508585, Japan

[2] Japan Wool Text Co Ltd, Chuo Ku, 3-10 3 Chome,Kawara Machi, Osaka 5410048, Japan

来源：

HYDROMETALLURGY | 2021年 / 203卷

关键词：

Wool; Woven fabric; Resin; Adsorbent; Selective recovery; Palladium; PROTEIN-RICH BIOMASS; THERMAL-ANALYSIS; IONS; ADSORPTION; GOLD(III); PD(II); PLATINUM(IV); PERFORMANCE; COMPOSITES; ADSORBENTS;

D O I：

10.1016/j.hydromet.2021.105629

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Protein fibers, including wool fibers, selectively adsorb precious-metal ions; hence, they can potentially be used in wastewater treatment applications. Herein, we examined metal-ion adsorption by woven wool fabric and wool resins, especially the adsorption of Pd(II). When woven wool fabrics are treated with chlorine, the cuticle layer is removed from the fiber surface; this treated fabric showed superior Pd(II)-adsorption performance compared with untreated fabric, with a Pd recovery of 81% from an aqueous solution containing 500 mg L-1 Pd(II) for 24 h at 25 degrees C, which is superior to that of lignin-based adsorbents. The chlorine-treated woven wool fabric and wool resin prepared from this fabric preferentially adsorb Pd when placed in simulated industrial wastewater, even if it contains a variety of other metal ions (e.g., Pd(II), Ni(II), and Cu(II)). Therefore, wool fabrics and resins produced from wool waste can be used as selective adsorbents for the recovery of precious metals such as Pd.

引用

页数：9

共 44 条

[1] Reusable polyethylenimine-coated polysulfone/bacterial biomass composite fiber biosorbent for recovery of Pd(II) from acidic solutions [J].