国家/地区 中国（6）
IPC部 B（6）
IPC大类 B01（6） C02（6）
IPC小类 C02F（6） B01D（4） B01J（2）
IPC C02F009/02（6）
发明人
公开年 2021（6）
申请年 2020（5） 
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

Water quality filtering mechanism of graphene water purifying agent detector, has detector shell whose bottom of outer side wall is connected with rotating cap whose bottom end face is provided with through hole.

MU Z, ZHANG D, YANG Q

Graphene ceramic membrane sewage treatment device comprises filter tank, where filter tank is provided with water inlet hole, filter tank is provided with first motor, and lower part of first motor is provided with transmission shaft.

LIN Z, ZHENG J

Portable small water purifier has water outlet pipe whose one end far away from water tank is detachably connected with water inlet of filter device, and driving device located below water tank for driving water in water tank to flow into filtering device.

SHA Y, SHA 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

Filtering device using graphene ultra-filtration membrane, has worm, whose end is located at outer side of fixing block provided with rotating rod, and box body, whose outer side is located below handle fixed with supporting frame.

LIAO N, ZHANG X