国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC
发明人 ZHANG C（2）
公开年
申请年
专利权人

Preparing low-valent vanadium tail gas from ammonium metavanadate comprises e.g. heating and dissolving crude ammonium metavanadate in water, adding sodium hydroxide, generating ammonia gas, collecting, and adding aqueous ammonia.

ZHANG C

Air purification material is provided with three-dimensional mesh hierarchical pore structure, which is mainly formed by overlapping graphene sheets and comprises large hole, middle hole and small hole, which are distributed randomly.

ZHANG C, YANG Q, LIANG J, LING G, XIAO J, HAN J, TAO Y, YOU C