国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01G（2）
IPC C01G031/02（2）
发明人 ZHANG C（2）
公开年 2021（2）
申请年
专利权人 HUNAN ZHONGX.（2）

One-step pyrolysis and carbon infiltration reduction of ammonium metavanadate for extracting vanadium, preferably for preparing vanadium pentoxide, comprises pre-treatment, ball milling, uniformly mixing, vacuumizing, and heating to obtain vanadium trioxide.

ZHANG C

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