国家/地区 中国（15）
IPC部 C（15）
IPC大类 C02（15） B01（11） C01（2）
C08（2）
IPC小类 C02F（15）
IPC C02F001/28（5） C02F001/44（5） B01J020/30（4）
B01D067/00（3） B01J020/20（3） B01J027/24（3）
C02F001/30（3） C02F009/00（3） B01D053/72（2）
B01D053/86（2） B01D071/34（2） B01D071/42（2）
B01J020/28（2） C02F001/461（2） C02F101/10（2）
发明人 LIU G（2） LIU Y（2） PAN G（2）
YU H（2） ZHANG Y（2） ZHAO M（2）
公开年 2023（15）
申请年 2021（15）
专利权人 CHINA PETROL.（3） BEIJING RES .（2）

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

Preparation of graphene composite material involves dispersing nitrogen-doped titanium dioxide powder in water to form suspension, adding graphene oxide solution, reacting, cooling, centrifuging, washing with distilled water, and drying.

GUO H, WENG X

Preparing magnetically reduced graphene oxide-based composite material used in field of oil-water separation, involves providing graphene oxide material, mixing oxidized graphene material, trivalent iron salt, amine compound and dispersing solvent uniformly to form graphene dispersion.

SHEN L, WANG G, ZENG Z, XU Y

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

Graphene water purifier, comprises graphene filter layer installed on top end of box body, small molecular group water system connected with filter layer of graphene layer and intelligent cooling system connected with small molecular group water system pipeline.

LIU G

Nanomaterial used for selectively adsorbing lead ion, comprises nanoparticle core, polydopamine coating layer and phosphoramidate compound modified layer.

ZHENG C, YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

Lead ion selective adsorption polyacrylonitrile ultrafiltration membrane useful in field of lead ion wastewater treatment, comprises support layer and polyacrylonitrile separation layer (including nanoparticles surface-modified by phosphoramidate compound).

YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

Microsphere useful in collecting clean water from environmental water using solar energy to obtain fresh water and in the fields of energy utilization, seawater desalination, and photothermal sterilization, comprises bio-based material and photo-thermal conversion material.

ZHANG J, YU J, ZHANG X, XU Z, JI X, WEN C, TIAN W

Adsorbent useful for recycling noble metal, comprises nitrogen-doped graphene-silicon dioxide hybrid material, where the nitrogen-doped graphene- silicon dioxide hybrid material includes nitrogen doped-silicon dioxide graphene material.

ZHANG L, LIU J

Synthesizing graphene oxide-titanium oxide-manganese oxide composite sol, comprises e.g. heating acid-soluble titanium oxide to dissolve titanium oxide particles with concentrated sulfuric acid, reacting with acidifying graphite, specific grade order flake graphite powder and sodium nitrate.

WU L, ZHANG T