国家/地区 美国（21）
IPC部 B（21）
IPC大类 B01（21） C01（10） C02（10）
C08（6） E21（3） A61（2）
C23（2）
IPC小类 B01D（21）
IPC B01D071/02（21）
发明人 JAMISON D E（4） SHUMWAY W W（4） KOLELVEETIL M K（2）
PEARL W C（2） SHEEHAN P E（2）
公开年 2021（21）
申请年 2020（9）  2021（6）  2019（5） 
专利权人 HALLIBURTON .（4） US SEC OF NA.（2）

Synthesis of graphene oxide used for manufacturing membrane, involves mixing sulfuric acid and phosphoric acid, adding graphite powder, potassium permanganate and hydrogen peroxide, cooling mixture, diluting mixture with hydrochloric acid solution, and centrifuging.

ALKHOUZAAM A A, QIBLAWEY H

Graphene oxide-based membrane for use in regenerative dialysis system, comprises substrate, and multiple layers of single-layered graphene oxide formed on surface of substrate, where each layer is functionalized by diamine functional group.

YANG H Y, LEONG Z Y, ROY D M, KODURI S

Membrane assembly used in water filtration system comprises non-metallic, porous substrate, graphene oxide membrane and chemical linker interface including adhesion promoter and flux promoter including silane molecules.

WHEELER D R, ZAVADIL K R, BIEDERMANN L, HIBBS M

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

Membrane distillation system for separating tetrahydrofuran from water has membrane module, and carbon nanotube and graphene oxide membrane that together define nanocarbon immobilized membrane associated with the membrane module.

GUPTA O, ROY S, MITRA S

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

Preparing gas selective separation filter involves providing graphene membrane on sacrificial support layer, subjecting graphene membrane to transient pressurized ozone gas pulse, purging ozone, and cooling down ozone treated graphene membrane.

AGRAWAL K V, HUANG S, HSU K, AGRAWAL K, HWANG S, HUSH K, XU G

Carbon material used as filter for desalination or deionization of solution, comprises carbon-containing layer having opening and solid material provided for covering the opening of carbon-containing layer, where solid material comprises hole communicating with opening.

KATSUMI K, TOSHIO T, YASUSHI S, STEVIC D, KATSUYUKI M, KANEKO K, TAKAGI T, SHIMIZU Y, DRAGANA S, MURATA K, MURADA K

Membrane e.g. graphene membrane for use in filter and filtration, has pores that includes relatively large and small pores, filler particles are lodged within relatively large pores and graphene platelets fill relatively small pores.

OGUNTUASE N