国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3） B82（2）
IPC小类 C01F（3）
IPC C01G045/02（3）
发明人 CAO A（2） GONG W（2） HOU S（2）
LIU T（2） SONG X（2） WANG W（2）
公开年 2022（3）
申请年 2022（2） 
专利权人

Preparation method of mesoporous metal oxide-graphene composite nanosheet, comprises e.g. taking mixed aqueous solution of graphene oxide aqueous solution, metal salt and sodium nitrate, mixing, stirring, freeze-drying, annealing, washing, and drying.

WANG S, SONG M, HUANG Y, YANG Z, QIN J

Oxidized graphene waste acid waste water processing device comprises pulping tank, waste acid tank for storing waste acid generated in production process of oxidation graphene, first reaction kettle, first press filter, and second filter press.

HAN H, GONG W, CAO A, LIU T, WANG W, HOU S, SONG X

Utilizing waste sulfuric acid and washing waste water in preparation process of graphene oxide, involves conveying filtered waste sulfuric acid into reactor, stirring, conveying barium carbonate slurry, reacting, aging, filtering, adjusting pH, adding potassium permanganate, stirring and filtering.

GONG W, CAO A, LIU T, SONG X, HOU S, WANG W