国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（2）
IPC小类 B01D（3）
IPC B01D067/00（2） B01D069/02（2）
发明人 ZHANG H（3）
公开年 2023（3）
申请年 2022（2） 
专利权人

Preparing diamines and polyamines containing diphenylmethane structure with low acid consumption comprises e.g. undergoing salt-forming reaction to generate aniline salt, mixing aniline salt and formaldehyde solution for reaction, adding solution to separator, and washing organic phase with alkali.

LI C, CUI C, ZHANG H, LI Y, ZHANG Y, LIN F

Preparing manganese dioxide-reduced graphene oxide modified stainless steel mesh cathode membrane, used as microbial fuel cell-membrane bioreactor component comprises e.g. carrying out constant current anode treatment on manganese acetate solution, and performing constant potential anodic treatment.

WANG J, ZHONG C, LIU H, WANG X, ZHANG W, WANG Y, ZHANG H, ZHANG D, WU H, CHEN M, HU Z, ZHU H

Flash evaporation spinning gradient pore structure ultrafiltration flat membrane comprises functional layer, transition layer and support layer, where functional layer is spun on surface of transition layer by flash spinning, and transition layer is spun on surface of support layer by flash spinning.

YANG C, ZHANG H, DING Y