国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（3） C02（2）
IPC小类 B01J（3） C02F（2）
IPC
发明人 ZHANG C（4）
公开年 2018（2）
申请年 2018（2） 
专利权人 UNIV HENAN POLYTECHNIC（4）

Preparing photodegradation catalyst useful for organic pollutant comprises e.g. dissolving tungstate, and nickel salt in deionized water, stirring, filtering, drying, calcining to obtain nickel tungsten oxide, dispersing bismuth oxide/nickel tungsten oxide in organic solvent, and crystallizing.

XING B, XU B, ZENG H, PAN Q, ZHU W, ZHANG C, YI G, SU X, WU Y

Heavy underground coal gasification polluted water metal ions purification for preparing magnetic graphene composite, involves preparing magnetic graphene composite material, and then mixing magnetic graphene composite material.

YI G, XING B, WANG X, GENG Q, XU B, CENG H, TIAN Q, LV Y, ZHANG C, CHEN L

Preparation of low-cost graphene quantum dot comprises adding carbonaceous raw material and oxidant to reaction vessel, ultrasonically dispersing, heating, and cooling.

LIU Q, ZHANG J, XING B, HUANG G, ZHANG C, MA M, ZHAO H, LI H, HE H

Preparing graphene loaded cobaltous oxide catalyst for catalyzing carbon monoxide low-temperature oxidation, involves preparing cobalt acetate aqueous solution and graphene oxide aqueous solution.

CAO J, CHEN Z, LIU B, LI G, MA M, SUN J, WANG Y, SUN G, ZHANG C, ZHANG Z, SHI J