国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D053/02（2） B01J020/20（2） B01J020/28（2）
B01J020/30（2）
发明人 CHEN C（3）
公开年 2017（3）
申请年 2017（2） 
专利权人 HANGZHOU GAO.（2）

Preparing graphene/active carbon composite porous microsphere used in air purification and water treatment, involves mixing water soluble carbohydrates into water to obtain oxidized composite graphene aqueous solution.

GAO C, CHEN C, HAN Y

Preparing graphene/activated carbon/titanium dioxide composite porous microspheres comprises e.g. adding acidified titanium dioxide nanoparticles, water-soluble carbohydrate into water, then mixing with aqueous solution of oxidized graphene.

GAO C, CHEN C, HAN Y

Preparation of platinum/graphene oxide/ferric oxide catalyst for catalytic oxidation of formaldehyde, involves adding ferric oxide nano material and platinum precursor solution to graphene oxide and subjecting solution to centrifugation.

XU Z, YAN C, CHEN C