国家/地区
IPC部 B（2） C（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J020/20（2）
发明人
公开年 2023（2）
申请年 2023（2）
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

Removing heavy metal ion from polluted air involves contacting the heavy metal polluted air with graphene oxide gel comprising graphene oxide three-dimensional nanosheet prepared by organometallic compound for period of time and under conditions sufficient to permit adsorption of heavy metal ion.

GULERIA K, JANA R