国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01G（3）
IPC C01G031/00（2）
发明人 ZHANG C（3）
公开年 2023（3）
申请年 2023（3）
专利权人 HUNAN ZHONGXIN NEW MATERIAL TECHNOLOGY（3）

Purification of ammonium metavanadate for preparing vanadium pentoxide, involves dripping prepared modified magnesium chloride graphene dispersion reducing agent into ammonium metavanadate graphene solution, reacting, adding ammonium metavanadate crystal, and drying.

ZHANG C

Recycling and purifying sodium molybdatem in ammonium metavanadate comprises adding raw material ammonium metavanadate into hot water, dissolving, adding aqueous water, magnesium sulfate, filtering, and mixing with sodium silicate.

ZHANG C

Removing harmful elements in ammonium metavanadate by reduction method comprises e.g. obtaining modified graphene oxalate dispersion reducing agent, adding ammonium metavanadate graphene solution, reacting, filtering, adding ammonium metavanadate crystals, recrystallizing, separating, and drying.

ZHANG C