国家/地区 中国（3）
IPC部 C（3）
IPC大类 C22（3）
IPC小类 C22B（3）
IPC C22B011/00（3）
发明人
公开年 2021（3）
申请年 2021（2） 
专利权人

Method for recovering gold from solution containing gold ions of metal elements in electronic waste, involves carrying out mixed reaction with graphene oxide dispersion liquid and reducing agent, dispersing product in solvent to obtain dispersion solution, and calcining.

CHENG H, LI F, SU Y

Preparation of Mxene membrane adsorption material based on polyamidoxime by treating raw materials with hydrogen fluoride, soaking in dimethylsulfoxide solution, soaking film in polyamidoxime solution, vacuum filtering, and drying.

WUMING B, YE H, LIU S, MA L, YAO J

Photocatalytic selective metal dissolving agent comprises cyanide compound solution containing photocatalyst.

BIAN Z, CHEN Y, XU M, WEN J, WAN Y, LI H