国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01J（3）
IPC B01J031/02（3）
发明人
公开年 2023（3）
申请年 2023（3）
专利权人

Synthesizing diethyl oxalate comprises e.g. placing oxalic acid, ethanol, toluene and catalytic adsorption solid material into the reactor and mixing, gradually heating the reactor from room temperature, and heating the esterification mixture.

ZHANG X

Ironmaking blast furnace waste gas treatment system has denitration catalyst stored in denitration unit, core body include mercaptolated graphene oxide and iron-manganese-copper composite oxide and absorption liquid storage unit connected with desulfurization unit.

XIAO Y, WENG Q, TANG W, ZHOU F, XU J, SUN Y, MENG Y, XU Z

Anti-pollution ultrafiltration membrane useful in process of filtering solution containing organic matter, comprises e.g. ultrafiltration base membrane and modified layer, where ultrafiltration base membrane is polyacrylonitrile and/or polyvinylidene fluoride.

GUO H, ZHANG M, HONG Z, MA H, YU T, XIE Q