国家/地区 中国（4）
IPC部 C（4）
IPC大类 C22（4） C25（2）
IPC小类 C22B（4）
IPC C22B007/00（4）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Method for simultaneously recycling positive and negative electrodes of lithium-ion batteries using multi-layer electrode structure, involves sandwiching conductive acid-resistant material with negative electrode material of lithium ion battery as anode of electrode system.

YU J, KONG J, GU S

Treating gold smelting wastewater by quality comprises e.g. mixing impurity-removing and reduction waste water in acid waste water, supplementing treatment of electrolyzed water in alkaline wastewater, returning fresh water to production system, and using desalinated water as supplementary water.

QIU J, LAI B, JI C, WU Z, WU W, SUN G, LIN F

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

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

Method for improving microbial leaching of copper, involves crushing/sorting waste circuit board, obtaining metal-rich component, placing graphene-modified carbon rod electrode system in reactor, domesticating strain, and leaching.

BAI J, DENG M, GU W, LU L, WANG J, YAO H, YU W, YANG F, ZHANG C, FEI Y