国家/地区 中国（11）
IPC部 C（11）
IPC大类 C02（11） B01（5） C01（2）
IPC小类 C02F（11） B01J（3） B01D（2）
C01B（2）
IPC C02F101/10（11）
发明人 XU W（2）
公开年 2023（11）
申请年 2022（7）  2021（2）  2023（2） 
专利权人

Removing total phosphorus and trivalent chromium ions in reverse osmosis concentrated water comprises introducing reverse osmosis concentrated water into coagulation stirring sedimentation tank, and introducing reverse osmosis concentrated water into capacitive deionization device.

XU W, LI E

Biological filter material useful for slowly releasing heavy metal/lock phosphorus includes pre-mixing core material composed of calcium-based bentonite, lanthanum chloride, oxidized graphene, autoclaved concrete premix composed of cement, fly ash, and lime.

MA H, LI X, ZHANG Z, MA L

Preparing reverse osmosis membrane useful for desalination of boron sea water, comprises e.g. contacting base film with polyamine monomer solution, obtaining polyamide layer, heating, immersing in diethanolamine solution, immersing reverse in carboxy activator solution, coating and post-treating.

LIANG S, HU L, XIAO J, LIU G, YANG X

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

Preparing highly stable ceramic-based subnanoporous graphene composite film useful for e.g. removing boron in water during pervaporation process, comprises e.g. adding graphite oxide powder into water, configuring crosslinking agent solution, performing filtration method, and connecting support.

WANG D, YANG F, SUN C, ZHENG Q, DONG Y

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