title: Application of cellulose acetate to the selective adsorption and recovery of Au(III).
abstract: Cellulose acetyl derivatives were examined for the selective recovery of Au(III) from acidic chloride solutions as an adsorbent, and cellulose acetate fibers (CAF) were found to be effective for the separation of Au(III) from other metal ions, including the precious metal ions Pt(IV) and Pd(II). The amount of Au(III) adsorbed by the fibers increased with an increase in the hydrochloric acid concentration, but decreased with an increase in the ionic strength of the solution. The adsorption of Au(III) onto CAF took place quickly and an adsorption equilibrium was reached within 1h. The maximum adsorption capacity of Au(III) was determined to be 110 mg/g at 2M hydrochloric acid. The loaded Au(III) was readily recovered by incineration.
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
authors.forename: Jian
authors.initials: J
authors.lastname: Yang
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
authors.forename: Fukiko
authors.initials: F
authors.lastname: Kubota
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
authors.forename: Yuzo
authors.initials: Y
authors.lastname: Baba
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan; Center for Future Chemistry, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
authors.forename: Noriho
authors.initials: N
authors.lastname: Kamiya
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan; Center for Future Chemistry, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan. Electronic address: m-goto@mail.cstm.kyushu-u.ac.jp.
authors.forename: Masahiro
authors.initials: M
authors.lastname: Goto
keywords: Adsorption; Cellulose acetate; Gold separation; Incineration; Recovery