国家/地区 美国（7）
IPC部 B（7）
IPC大类 B01（7） C02（4） B29（2）
C01（2） C08（2） E21（2）
IPC小类 B01D（7）
IPC B01D039/14（7）
发明人 JAMISON D E（2） PEARL W C（2） SHUMWAY W W（2）
公开年 2021（4）
申请年 2020（4） 
专利权人 HALLIBURTON .（2）

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

Polytetrafluoroethylene composite filter material useful for air purification by filtering bacteria and virus aerosol, comprises supporting layer and polytetrafluoroethylene microporous film layer.

XIAO P, XIAO Z, CAI C, TANG Y, LI H, SU J, XIAOPING, WEIGHT X, TSAI C, AN X J

Visible light photocatalytic glass fiber filter core for air purification, comprises nano-scale particles, silver nanowires, adhesive system and superfine glass fiber cotton.

ZENG H, ZHAI F, LI L, CHENG J, LUO Y, FENG G, HU M

Preparation of polygraphene membrane for desalinating salt water involves mixing graphite, sodium nitrate and potassium permanganate and hydrogen peroxide, centrifuging mixture, and acylating and polymerizing resulting graphene oxide sheets.

SALEH T A

Formation of membrane for e.g. separating water from water/oil emulsion, involves dispersing graphene oxide nanoparticles in solvent, depositing graphene oxide nanoparticles on support, and reducing obtained graphene oxide membrane.

YU M

Fabricating filter involves fabricating graphene-polymer mixed solution by mixing polymer with graphene-containing solution; fabricating conducting collector; and forming the filter by electrospinning the mixed solution to collector.

YUN Y J, YU H Y, KIM Y Y, JANG W I, JU Y Y, YOUNGYU H, YEONKIM Y, ICKJANG W