国家/地区 中国（7） 美国（3） 印度（2） 世界知识产权组织（2）
IPC部 B（12） C（12） E（2）
IPC大类 B01（12）
IPC小类 C02F（12） B01D（8） B01J（4）
C01B（2） C08F（2） C08L（2）
E21B（2）
IPC C02F001/00（12）
发明人 JAMISON D E（2） PEARL W C（2） SHUMWAY W W（2）
公开年 2021（7） 2020（5）
申请年 2020（12）
专利权人 HALLIBURTON .（2）

Water purification device used to remove water contaminants e.g. arsenic, pathogen, and bacteria, comprises housing comprising base, side walls and top wall, and first, second, third and fourth layers.

JINDAL H, SANDHU I S, CHITKARA M, PANDA S N

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

Lid for container, has flexible adapter that is configured to be connected to tap for receiving raw water and passing raw water into water purification unit by using water pressure in water supply line.

SHAH R

Sintered nanoparticle compound useful for sterilizing or treating water, comprises zeolite, silver nitrate, a silver dioxide nanoparticle, and graphene in which the zeolite is a core element impregnated with the silver nitrate and the silver dioxide nanoparticle.

SILVEIRA G R

Preparing sewage filtering material by mixing quartz sand, anthracite particles, graphene, limestone, sieving powder, sodium allyl sulfonate, distearoyl diethylene triamine, and titanium oxide, granulating and layering on fabric.

SUN H, GAO Y, SI Y, SHEN F

Graphene production waste water processing device has gas washing tank whose top end is vertically provided with exhaust pipe opening, and supporting column that is provided at bottom of main tank portion and gas washing tank.

ZHANG H

Preparing graphene material useful in the field of air purification, water purification, medical field and field of clothing comprises heating arc under protective gas environment, and introducing reaction gas into reaction space.

CAO M, TAO T

Hydroxygraphene-nano-silica modified chitosan composite material for treating sewage, is prepared by stirring hydroxylated graphene, nano-silica and acetone, dripping epichlorohydrin, distilling for reactant, stirring, filtering and drying.

XU Q, CUI H, DONG F, LUAN H

Performing biological synthesizing of ferrous sulfide doped reducing graphene composite material in fields of environment and catalysis, involves using dissimilar metal-reducing bacteria to decompose organic matter in metabolic process.

XU Z, YONG Y, YU Y