国家/地区 中国（7） 世界知识产权组织（3） 欧洲专利局（EPO）（2） 美国（2）
IPC部 C（9）
IPC大类 C22（9）
IPC小类 C22B（9）
IPC C22B007/00（9）
发明人 CHEN T（2） CHEN Y（2）
公开年 2021（9）
申请年 2021（4）  2020（3）  2019（2） 
专利权人

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

Recovering metal from metal-containing material by leaching, by treating aqueous solution with external energy, reacting leaching agent precursor with formed hydrogen peroxide, and reacting metal-containing material with leaching solution.

RINNE T

Production of vanadium-aluminum alloy comprises acid leaching vanadium slag, removing iron, adding potassium hydroxide solution into acidolysis liquid, ball milling vanadium containing filter residue, mixing with dilute sulfuric acid solution and carrying out thermal reduction.

ZHANG C

Preparing high performance single-center uranium-based load catalyst comprises e.g. taking graphene, oxidizing to prepare graphene oxide, configuring graphene oxide dispersion of graphene oxide and using hydrothermal method.

ZHU W, HE R, CHEN T, DUAN T, YANG F, LIU M, LEI J, LIU H, ZHOU L, BAI W

Recovering lithium precursor by preparing cathode active material mixture containing lithium composite oxide, forming pre-precursor mixture including lithium oxide by reacting cathode active material mixture and separating by washing.

HONG S J, KIM J M, SON S R, HA D W, HONGSEOKJOON, KIM J, SOHN S, HE D, SUN C, HONG X

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

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

Graphene composition useful for adsorbing gold ion in gold-containing solution comprises thiourea graphene zeolite.

HSI H, CHEN Y, CHEN T, TSAI C, XI X

Recycling metal in waste circuit board comprises e.g. gradually heating and separating according to metal melting point to obtain gold, palladium, platinum and rhodium powder after placing solid mixture in flexible carbon felt electrolysis.

LAI Z, ZHONG Z, WANG J, ZHANG X, ZHONG Y, LAI Y, CHEN L

Fluid capacitive deionization and device for recovering trace rare precious metals from inorganic wastewater and recycling water, comprises a selective positive ion exchange sulfide membrane graphene coated porous carbon material.

WANG H P, CHENG H C