国家/地区 中国（10） 世界知识产权组织（4） 澳大利亚（2） 加拿大（2）
IPC部 C（16）
IPC大类 C22（16）
IPC小类 C22B（16）
IPC C22B011/00（16）
发明人 DENG B（4） TOUR J M（4） LI F（2）
LI H（2）
公开年 2022（8） 2021（4） 2023（2）
申请年 2021（7）  2022（5）  2019（2） 
专利权人 UNIV RICE WI.（4）

Recovery of gold involves recovering gold from carbon fines under reducing conditions in alkaline medium having low oxidation reduction potential.

HALIM M A, CHEN J, LAKSHMANAN V I, DASGUPTA S

Adsorbent useful for recycling noble metal, comprises nitrogen-doped graphene-silicon dioxide hybrid material, where the nitrogen-doped graphene- silicon dioxide hybrid material includes nitrogen doped-silicon dioxide graphene material.

ZHANG L, LIU J

Preparing amino-rich polyacrylonitrile-based nanocomposite fiber film used for removing and recycling gold, involves mixing N,N dimethylformamide dispersion of graphene oxide and the N,N-dimethylformamide solution of hyperbranched polyethyleneimine and performing amidation reaction.

ZHONG X, MENG W, YANG H, SHI X, LI X, LI T, MA Y

Synthesizing noble metal material by solvent thermal method useful in e.g. catalysis, electron, optical imaging, information storage and medicine, comprises mixing metal precursor solution with carrier dispersion solution, obtaining redox reaction solution, and ultrasonically mixing and dispersing.

LIU H, LI H, GONG X, WEI H

Extracting silver from waste solar battery assembly comprises e.g. manually disassembling and separating each component of waste solar panel, performing primary classification and recycling, collecting waste solar silicon plate, heating, removing ethylene-vinyl acetate, and reducing silver ion.

HUANG Q, LI F, YUAN W, HUANG M

Preparing MXene/GO/NbFeB hydrogel used as adsorption-reducing agent, involves forming MXene aqueous solution in aqueous solution, adding graphene oxide into MXene aqueous solution to obtain mixed solution, which further ultrasonically mixed and placed mixture in water bath for multiple hours.

REN J, MA J

Ultrafast flash Joule heating synthesis method for recovering metal from e.g. ores, fly ash, and bauxite residue, involves applying voltage pulse to mixture, where mass of mixture to which voltage is applied is more than specific kilogram.

TOUR J M, DENG B, DENGBING

Synthesizing corundum nanoparticles by mixing reaction precursor with conductive additive to form mixture, where precursor is aluminum compound and applying voltage across mixture for nanoparticles, where voltage is applied in voltage pulses and voltage pulses increase temperature of mixture.

TOUR J M, DENG B

Synthesizing carbide particles useful as electrocatalyst in electrocatalytic hydrogen evolution process, comprises mixing a reaction precursor with a conductive additive to form a mixture, and applying a voltage across the mixture.

TOUR J M, DENG B

Recovering metal involves mixing material with conductive additive to form mixture, where material is prepared from e-waste, applying voltage across mixture to recover metal from material, and collecting recovered metal.

TOUR J M, DENG B