国家/地区 中国（7）
IPC部 C（7） B（3）
IPC大类 C02（7） B01（3） C01（2）
IPC小类 C02F（7） B01J（3） C01B（2）
IPC C02F101/10（7）
发明人
公开年 2023（7）
申请年 2022（7）
专利权人

Saline-alkali leaching liquid recycling device based on photo-thermal evaporation, comprises e.g. water collector, evaporation blade set on outer side of water collector, and water guide belt.

ZHANG Y, QIU T, WU P

Zero-discharge treatment method for full resource utilization of waste acid in graphene production by e.g. adjusting supernatant pH to neutral by adding sulfuric acid, evaporating and concentrating by mechanical vapor recompression, crystallizing to obtain potassium sulfate, recycling water.

FENG X, FENG J, XIAO L, FENG S

Extracting lithium from salt lake brine comprises using electrodialysis device and lead as anode, completing after reaction, turning over positive and negative poles, keeping mixed solution of sulfate and chloride in cathode chamber unchanged, and recovering lithium-intercalated ion sieve.

LIU X, ZHAO Z, XU W, HE L

Device used for extracting graphene, consists of stirring tank connected with feed tank and water tank, circulation pump connected to side of stirring tank through pipeline, pneumatic diaphragm pump, pressure filter device, oxidation catalytic device and filter device.

ZHAN Z

Preparing boron adsorbent gas gel, comprises adding reducing agent, sequentially nano-tube aqueous solution in aqueous solution graphene then adding meglumine, stirring and dissolving, transferring to hydrothermal, cooling to room temperature to obtain meglumine/carbon/carbon graphene-tube hydrogel.

GUAN Y, LE Y, PAN T, ZHANG W, CUI X

Preparing zirconium zinc aluminum layered double hydroxides/oximeter graphene material, comprises uniformly stirring graphene oxide dispersion and gradually adding zirconium zinc aluminum metal salt solution and then continuously dropping alkali solution.

REN J, LI D, XIONG K

Layered double hydroxidesg/graphene oxide-melamine foam useful to absorb and remove phosphate in aqueous body by adding to phosphate aqueous body i.e. rag-type adsorbent prepared by modifying modified melamine foam with ternary metal hydroxide and graphene oxide.

WU Z, QIU Z, WEI H, WANG L, WANG Z, ZHANG H, WANG Q