国家/地区 中国（51） 美国（10） 世界知识产权组织（7） 印度（3） 韩国（3） 欧洲专利局（EPO）（2） 台湾（2）
IPC部 C（66）
IPC大类 C02（66）
IPC小类 C02F（66） B01D（58） C01B（8）
C08L（5） B01J（3） C08F（3）
C08K（3） C08G（2） C08J（2）
C09K（2） E21B（2）
IPC C02F001/44（66）
发明人 ZHANG X（5） LIU Y（4） ZHAO X（4）
LI S（3） LIU X（3） ZHANG C（3）
CHEN L（2） CHEN Y（2） GRIGGS C S（2）
HUANG Y（2） JAMISON D E（2） LI B（2）
LI H（2） LIN C（2） LIU B（2）
公开年 2021（33） 2020（28） 2022（5）
申请年 2020（66）
专利权人 HALLIBURTON .（2） LIUZHOU XINK.（2） UNIV TIANJIN（2） US SEC OF AR.（2）

Preparation of nanofiltration membrane involves coating film casting liquid containing polymer on nonwoven fabric, contacting obtained base film with e.g. aqueous phase solution containing amine monomer to form polyamide functional layer, crosslinking, imidizing, post-treating, and drying.

LIU Z, ZHANG J, HU L, LIANG S, WANG B

Polyvinylidene fluoride composite membrane, used in water treatment, comprises PVDF-based membrane, and poly-dopamine/oxidation graphene composite layer compounded on the film.

ZHAO X, LIU L, ZHU Z, MIAO L, MA J, JIA G

Membrane distillation apparatus for use in water treatment, comprises housing comprising hot medium compartment comprising hot medium inlet and hot medium outlet, hot medium inlet configured to receive hot medium stream comprising water, cold medium compartment comprising cold medium inlet and cold.

LAWAL D U, AZEEM M A, BAROUD T N, AL ABDULGADER H, ABDULGADER H A

Polymer solution used for preparing nanofiltration membrane in water treatment, and also in high-temperature separation and desalination, comprises polyaryl ether sulfone block polymer, good solvent, poor solvent and additive.

CAO M

Graphene oxide titanium dioxide-dopamine polyetherimide nanofiltration membrane comprises organic ultrafiltration membrane support and functional layer prepared by ultrasonically mixing graphene oxide solution and titanium dioxide-dopamine aqueous solution, filtering to form membrane, and filtering.

LAN W, FANG F, HONG Y, CHEN Y

Preparing sericin doped graphene oxide membrane for forward osmosis by isolating graphene oxide flakes by centrifuging, collecting supernatant, pouring sericin solution on nylon support, pouring medium graphene oxide flake dispersion under vacuum pressure, heating, immersing in water and drying.

DEKA P, VERMA V K, SUBBIAH S, RAIDONGIA K, KEJRIWAL R

Assembled heating system for reverse osmosis (RO) membrane group of water purifying device, has graphene grid cloth that comprises graphene heating wire staggered in net-shaped arrangement.

WANG L, WANG S, CHEN L, XU Q, XU H, LIU G, WANG X

Temperature cycler for small volume chemical reaction, has controller operatively connected with any or combination of heating unit, stage and temperature detection unit, and region at surface has high electromagnetic radiation absorptivity.

POORNA R, GORTHI S S, TOLEY B J

System used for treatment of slop water recovered from wellbore operation, comprises treatment unit comprising inlet, filtration medium comprising particulate pack partially coated with zwitterionic polyelectrolyte, and arranged to separate portions of slop water stream comprising water, and outlet.

JAMISON D E, SHUMWAY W W, PEARL W C

Fluid treatment system for treating fracturing fluid or drilling mud, has first filtration medium having first outlet that is provided on first side of first filtration medium, and second outlet that is provided on second side of first filtration medium to opposite first side.

JAMISON D E, SHUMWAY W W, PEARL W C