国家/地区 世界知识产权组织（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D067/00（2）
发明人
公开年 2023（4）
申请年 2021（4）
专利权人

Preparing denitrification catalyst useful for selective catalytic reduction reaction for reducing nitrogen oxides comprises dispersing silver, zinc and support compound, ball milling dispersion, drying and calcining ball milled dispersion.

KIM Y J, YOU Y, HEO I J, CHANG T S, LEE J H, KWAK J S, LIM M T, YOU Y W, HEO I, KWAK J, IM M T

Nanofilter used for selectively separating oil contaminants e.g. crude oil, diesel, engine oil and petrol oil from water, comprises hydrophobic nanoparticles, amorphous carbon, and support comprising polymeric sponge or fabric.

KHODAPARAST B, KHOSROPOUR A

Manufacture of polyvinylidene fluoride composite separator for lithium secondary polymer battery, involves mixing carbon structure and titanium oxide with solvent to obtain solution, and casting solution to preset thickness to obtain membrane forming composite separator.

OH S B, OH J W, O S B, OHJUNWON

Vapor permeation device comprises graphene oxide membrane, which is configured to separate permeation stream comprising water from feed vapor stream comprising water and organic solvent.

LI K, LEE B