国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J020/30（2）
发明人
公开年 2021（2）
申请年
专利权人

Preparation of cuprous thiocyanate used in e.g. bright color oil, involves adding adsorbent to desulfurization waste liquid, filtering, preparing copper sulfate as saturated solution, mixing with pretreated desulfurization waste liquid, dripping sulfite, stirring, filtering, washing, and drying.

FENG X

Preparing graphene composite material used for purifying sewage, by adding paste slurry made of e.g. graphene and thickener to three-dimensional printer, printing using direct writing-type three-dimensional printing, and freeze-drying.

ZHANG H, SHI Z, YIN X, XIAO Y, HAN J, WANG S, GAO S, WU Z, WEI Z