国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B01（4） C02（4）
IPC小类 B01J（4）
IPC B01J020/30（4）
发明人 ZHANG Y（4）
公开年 2023（4）
申请年 2022（3） 
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

Nanomaterial used for selectively adsorbing lead ion, comprises nanoparticle core, polydopamine coating layer and phosphoramidate compound modified layer.

ZHENG C, YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

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