国家/地区 中国（13）
IPC部 C（13）
IPC大类 C10（13） B01（7） C01（2）
C09（2）
IPC小类 C10L（13）
IPC C10L003/10（13）
发明人 WANG Q（3） ZHANG X（3） BAI M（2）
BAI Z（2） ZHANG W（2）
公开年 2021（5） 2020（3） 2017（2） 2023（2）
申请年 2019（3）  2021（3）  2017（2）  2020（2）  2022（2） 
专利权人 CHINA PETROL.（2） TANGSHAN HON.（2）

Preparing a graphene-ionic liquid composite sulfur adsorbent useful in methane desulfurization, comprises e.g. adding cationic salt and bromoalkane and reacting, performing suction filtration and washing to obtain cationic bromide and ultrasonic dispersing of graphene oxide in acetone solvent.

JI K, XUN Q, LIU X, WEI Z, ZHU T, WANG K, ZHANG W, XU F, HOU Q

Preparing graphene-assisted metal organic framework membrane material useful for extracting helium from natural gas, comprises e.g. reacting modified graphene substrate using zinc nitrate aqueous solution, 2-methylimidazole aqueous solution and benzodimethylimidazole aqueous solution.

DING B

Composition useful e.g. for inhibiting hydrate decomposition, comprises starch-based surfactant including carboxymethyl starch salt and alkyl glycoside surfactants.

YAN K, XIAO A, MU S, HU X, REN Y, ZHANG H, LIN Y, LV C, WANG Q

Composite membrane used for separating gas from gas mixture, comprises selective layer comprising polymeric matrix comprising amine polymer, graphene oxide nanofiller, and mobile carrier chosen from ionic liquid and amino acid salt, coated on support.

DENG L, JANAKIRAM S, ANSALONI L, DENG Y L, ANSARONI L

Desulfurizing agent useful for gas well of mouth group, comprises high molecular porous microsphere, non-ionic surfactant, zinc oxide, graphene oxide, pre-gelatinized starch and hydrophobic agent.

ZHANG N, FANG D, LI J, ZHOU C, YANG X, JI B, ZHUO Y, CHENG Z, XU H, WANG Q, QIU J, XU Z, LIU B, XU T

Accelerant for generating gas hydrate, comprises three-dimensional graphene macro powder and deionized water.

YAN S, WANG N, ZHANG W, GE W, LI B

Preparing graphene composite hydrogel to promote generation of methane hydrate, by adding concentrated sulfuric acid, heating, filtering, drying, mixing granular graphene composite hydrogel with water and performing methane hydrate reaction.

SUN M, WANG F, SONG F

Intelligent graphene natural gas collecting and processing device, has water collecting device, cooling device and dewatering device that are connected with exhaust pipe, where exhaust pipe is connected with top end of secondary dehydration device.

BAI Z, ZHANG X, BAI M

Continuous-type oil-water separator for natural gas development, has lower shell fixedly provided with upper shell by bolt, where upper shell and lower shell are sealed by O-shaped ring, and graphene plate arranged in floating part.

SHI L

Graphene intelligent natural gas collection and processing equipment comprises natural gas collection device, gas collecting pipe, desulfurization and decarbonization device, dehydration device, water collection device, and exhaust pipe.

BAI Z, ZHANG X, BAI M