国家/地区 中国（3）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01D（5）
IPC C02F001/461（2） C02F001/469（2） C22B007/00（2）
发明人
公开年 2021（5）
申请年 2020（3） 
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

Molybdenum technetium separation column useful for nuclear medicine diagnosis.

LEI S, LI Y, CHEN L, HUANG Y, LI L, ZHOU S

Extracting lithium from aqueous lithium source, comprises removing dissolved calcium ions and/or dissolved magnesium ions by nanofiltration, removing water by reverse osmosis, and electrochemically extracting dissolved lithium ions.

ALYOUSEF Y M, ALRASHEED R, AL JILIL S, HIPPAUF F, ABENDROTH T, ALTHUES H, KASKEL S

Screw thread steel comprises pig iron, ferrosilicon, high carbon ferromanganese alloy, high carbon ferrochrome, ferromolybdenum alloy, copper titanium alloy, nickel iron alloy, ferrotitanium, ferrosilicon nitride and graphene powder.

LIN T, CHEN Y, LIU G, ZHANG S, ZHOU W

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