国家/地区 中国（3）
IPC部 C（4） B（2）
IPC大类 C02（4）
IPC小类 C02F（4） C05B（4） B01J（2）
C01B（2） C05G（2）
IPC C05B017/00（4）
发明人
公开年
申请年 2021（2） 
专利权人

Magnetic nanoadsorbent comprises nanoparticles are magnetic nanoparticle and zwitterionic surfactant, and prepared by preparing solution of magnetic nanoparticles, adjusting pH of solution of magnetic nanoparticles to obtain precursor solution, adding zwitterionic surfactant to precursor solution.

KAMSONLIAN S, NASKAR J, CHATTREE A, DAN S

Synchronously separating and recovering urea and phosphorus in fresh urine comprises e.g. taking alkaline calcium salt and adding in fresh urine, filtering to obtain calcium hydroxyphosphate and dephosphorized urine, and passing obtained dephosphorized urine into electrochemical separation device.

LIU Z, DAI X, XU L, WU D

Preparing modified graphene useful e.g. for lead ion adsorbent to promote plant growth and improve soil quality, comprises e.g. dispersing graphene oxide in de-ionized water, adding phosphatidylserine, stirring, reacting, washing and drying.

UNANNOUNCED I

Waste liquid treatment device for synthetic ammonia, urea production has sealing cover installed with solar panel, recycling sedimentation tank, waste liquid conveying pipe, gas tank, graphene storage battery, and controller.

ZHANG H, WU Z, MEI K, ZHOU B