Advances in hydrometallurgical approaches for gold recovery from E-waste: A comprehensive review and perspectives

MH Do, GT Nguyen, UD Thach, Y Lee, TH Bui - Minerals Engineering, 2023 - Elsevier
Increasing electronic waste (e-waste) generation is cause for great concern in the
environment, for which our current society has developed various management policies …

Review on preparation and adsorption properties of chitosan and chitosan composites

X Liu, X Zhao, Y Liu, T Zhang - Polymer Bulletin, 2022 - Springer
Compared with traditional polymers, biopolymers are more environmentally friendly due to
their sustainable sources, easy decomposition and naturally recycled by biological …

Current status and challenges of ion imprinting

J Fu, L Chen, J Li, Z Zhang - Journal of Materials Chemistry A, 2015 - pubs.rsc.org
Ion imprinting technology (IIT) aims to recognize ions while retaining the unique virtues of
molecular imprinting technology (MIT), namely structure predictability, recognition specificity …

Mechanism of selective gold adsorption on ion-imprinted chitosan resin modified by thiourea

J Guo, X Fan, Y Li, S Yu, Y Zhang, L Wang… - Journal of Hazardous …, 2021 - Elsevier
Thiourea-modified chitosan-imprinted resin (IM-TUCS) and a corresponding nonimprinted
resin (NIM-TUCS) were synthesized and characterized using adsorption experiments. The …

Biosorbents for recovery of precious metals

SW Won, P Kotte, W Wei, A Lim, YS Yun - Bioresource technology, 2014 - Elsevier
Biosorption is a promising technology not only for the removal of heavy metals and dyes but
also for the recovery of precious metals (PMs) from solution phases. The biosorptive …

Ion-imprinted polymeric materials for selective adsorption of heavy metal ions from aqueous solution

MM Lazar, CA Ghiorghita, ES Dragan, D Humelnicu… - Molecules, 2023 - mdpi.com
The introduction of selective recognition sites toward certain heavy metal ions (HMIs) is a
great challenge, which has a major role when the separation of species with similar …

Benignly-fabricated crosslinked polyethylenimine/calcium-alginate fibers as high-performance adsorbents for effective recovery of gold

JK Bediako, S Lin, AK Sarkar, Y Zhao, JW Choi… - Journal of Cleaner …, 2020 - Elsevier
High-capacity crosslinked polyethylenimine (PEI)/Ca 2+-Alginate fibers were fabricated as
fast-kinetics adsorbents for application in gold recovery from urban mines. The benign …

Efficient and selective gold recovery from e-waste by simple and easily synthesized covalent organic framework

S Zhong, Y Wang, T Bo, J Lan, Z Zhang… - Chemical Engineering …, 2023 - Elsevier
With the increase of discarded electronic devices, gold recovery from e-waste has induced
great interests. Covalent organic framework (COF) as a new kind of porous crystalline …

Experimental and DFT study on the selective adsorption mechanism of Au (Ⅲ) using amidinothiourea-functionalized UiO-66-NH2

M Zhao, Z Huang, S Wang, L Zhang, C Wang - … and Mesoporous Materials, 2020 - Elsevier
The recovery of precious metals from wastewater not only brings considerable economic
benefits, but also reduces environmental pollution. Herein, UiO-66-NH 2 was modified by …

Biosorpion for sustainable recovery of precious metals from wastewater

AG Ghomi, N Asasian-Kolur, S Sharifian… - Journal of …, 2020 - Elsevier
The state of the art of biosorption for application in precious metals recovery in recent years
is presented in the current work. Precious metals including Au, Ag, Pd, Pt, etc. have …