国家/地区 中国（6） 美国（3） 世界知识产权组织（3） 加拿大（2） 欧洲专利局（EPO）（2）
IPC部 C（9）
IPC大类 C22（9）
IPC小类 C22B（9）
IPC C22B007/00（5） C25C001/20（3） C02F001/461（2）
C22B003/24（2）
发明人 CHEN T（2）
公开年 2021（9）
申请年 2020（4）  2021（4） 
专利权人

Device used for bipolar membrane-electrically controlled ionic membrane extraction method for producing acid and alkali from salt lake brine comprises cavity multi-chamber plate-frame structure, and buffer tank makes the material to achieve the purpose of stabilizing and stabilizing the flow.

GUO J, YUE X, HAO X, CHE Y, WANG C, GAO 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

Recovering elemental rare earth metal used in e.g. magnet, involves placing rare earth-containing material comprising rare earth metal in reaction solution containing reducing agent, reducing rare earth metal to form cations of reducing agent, and reducing cations of reducing agent.

BAEK D L, FOX R V, CASE M E

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

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

Treating electrolyte by feeding electrolyte containing two metal ions into electrochemical polishing reactor with anode and high-surface area cathode and controlling electrode potential at high-surface area cathode to reduce first metal ion.

MOHANTA S, REILL J, TAECKER B S, HOKE J, DOUGHERTY B J, LIAO J, LIL J, TACKER B S, HAWK J, DIRTY B J, LAYER J

Preparing metal vanadium comprises heating and dehydrating vanadium source under vacuum condition, carrying out reduction reaction in molten salt medium and inert gas atmosphere, washing and drying the material.

ZHANG N, LI L, ZHANG S, WANG N, LI J, WU C