国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC
发明人 ZHANG J（2）
公开年 2020（2）
申请年
专利权人

Hyperbranched phosphorus-free scale inhibitor contains polyvinylamine, aspartic acid, EDTA and its analogs , tricarboxylic acid, crosslinking agent, inorganic base, graphene dispersion, and water.

XIA Z, ZHANG J

Purifying chromatographic n-hexane by adsorbing and filtering n-hexane raw material through modified activated carbon fiber adsorption column, oxidizing, and removing impurities by adsorption column of graphene oxide and sodium hydroxide.

ZHANG J, SONG J