SODIUM CRYOLITE USED IN ALUMINUM ELECTROLYSIS INDUSTRY AND PREPARATION METHOD THEREOF

摘要

Provided is a sodium cryolite used in the aluminum electrolysis industry, the molecular formula of the sodium cryolite is mNaF·AlF3, wherein m is 1-1.5. The sodium cryolite (mNaF·AlF3, m is 1-1.5) with a low molecular ratio provided by the present invention is used in the aluminum electrolysis industry to reduce electrolysis temperature and power consumption, thus improving electrolysis efficiency and reducing the comprehensive production cost.