国家/地区 美国（18）
IPC部 B（18）
IPC大类 B01（18）
IPC小类 B01D（18）
IPC C02F001/44（12） B01D071/02（10） B01D067/00（7）
B01D069/02（7） C02F001/00（5） C02F001/28（5）
B01D063/08（4） B01D021/00（3） B01D021/26（3）
B01D061/02（3） B01D061/58（3） B01D069/10（3）
B01D069/12（3） B01D069/14（3） C02F001/38（3）
发明人 JAMISON D E（4） SHUMWAY W W（4） KOLELVEETIL M K（2）
PEARL W C（2） SHEEHAN P E（2） WANG S（2）
公开年 2021（18）
申请年 2020（10）  2021（5）  2019（2） 
专利权人 HALLIBURTON .（4） US SEC OF NA.（2）

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

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Increasing cellulose crystal size by providing mixture of solvent comprising ionic compound and composition comprising cellulose and coagulating mixture with composition comprising hydrogen peroxide and increasing cellulose crystal size.

VERRILL D, LOVE S, HU X, SALAS D L C D

Membrane used for purifying water, involves articles comprising nanoporous membrane, nanoporous graphene sheet and chemical functionalization covalently bound on one side of sheet, and are layered with chemical functionalization.

SHEEHAN P E, KOLELVEETIL M K

Producing nanoporous graphene membrane involves depositing hexaiodo-substituted macrocycle onto substrate, coupling macrocycle to form nanoporous graphene sheet, layering onto nanoporous membrane with nanoporous graphene sheet, and etching.

SHEEHAN P E, KOLELVEETIL M K

Nanoporous membrane used in filter, comprises two-dimensional material permeated by pores which are blocked by polymer derived from monomer and comprising population of pores having average pore diameter.

KIDAMBI P R, CHENG P

Bionic fiber functional material used in low concentration heavy metal ion adsorption, is rich in multiple adsorption sites, that is, N, O, and S sites that have adsorption properties for heavy metal ions and material.

HE H, WANG L, ZHU H, ZHOU H, WANG S, HO H, ZHU H X, CHOU H

Preparing carbon disulfide modified graphene oxide comprises modifying graphene oxide with carbon disulfide and applying the modified graphene oxide to heavy metals contamination.

ZAPPI M E, LIAN Q, GANG D D