国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC B01J020/30（3） C02F001/28（3） B01J020/28（2）
C02F101/30（2）
发明人 ZHANG Y（4）
公开年 2023（4）
申请年 2022（4）
专利权人

Treatment of chromium-containing wastewater involves using lignin-based composite aerogel as adsorbent material, adjusting pH of chromium-containing wastewater, and removing hexavalent chromium-ion in wastewater.

ZHANG Y, ZHAO X, CHU R, GUO X

Preparing sewage treatment agent for heavy metal treatment, comprises dispersing aminated magnetic graphene oxide in distilled water, adding glutaraldehyde solution, adding amino-terminated hyperbranched polymer after ultrasonic treatment, stirring, centrifuging, precipitating, washing, and drying.

XUE J, ZHANG Y, TENG J, CHENG Y

Preparation of graphene biocarbon used for treating wastewater containing organophosphorus pesticides, involves adding straw powder to iron/zinc mixed solution, reacting in water bath, drying, pyrolyzing obtained straw and metal composite material, pickling, and freeze-drying.

ZHANG Y, ZHOU B, QIU L, YUAN R

Preparing composite catalyst used for efficiently utilizing visible light and near-infrared light, involves adding ethylene glycol, tetrabutyl titanate, polyamine and citric acid into three-necked flask, stirring at room temperature, refluxing stirred solution in oil bath, and then cooling.

HAO C, ZHANG Y, CHEN H, DENG L, LI D