国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D053/81（2）
发明人 YANG C（3）
公开年 2022（2）
申请年 2022（3）
专利权人 UNIV TAIYUAN.（2）

Flash evaporation spinning gradient pore structure ultrafiltration flat membrane comprises functional layer, transition layer and support layer, where functional layer is spun on surface of transition layer by flash spinning, and transition layer is spun on surface of support layer by flash spinning.

YANG C, ZHANG H, DING Y

Preparing ferric oxide composite desulfurizer used to remove hydrogen sulfide in gas in oxygen-free atmosphere at room temperature, comprises oxidizing carbon-based material, mixing oxidized carbon-based material with precursor of ferric oxide and precursor of calcium oxide and calcining.

SHANGGUAN J, LIANG M, FAN H, SU Z, YANG C

Preparation of copper oxide composite desulfurizer removing hydrogen sulfide in gas at room temperature in oxygen-free atmosphere involves oxidizing carbon-based material, dripping oxidized carbon-based material in mixed solution of copper and magnesium salt, drying, and calcining.

SHANGGUAN J, SU Z, WANG Y, LIANG M, FAN H, YANG C