Zobrazeno 1 - 2
of 2
pro vyhledávání: '"A. O. Puzhel"'
Publikováno v:
Izvestiya Vuzov Tsvetnaya Metallurgiya (Universities Proceedings Non-Ferrous Metallurgy). 1:28-35
It is proposed to use a spent cracking catalyst of petroleum hydrocarbons containing 1 wt.% of rare earth element (REE) oxides as an alternative REE feed source. The study covers the process of removing silicon in the form of ammonium hexafluorosilic
Publikováno v:
INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS2020).
This paper presents a method for extracting rare earth element (REE) concentrate from spent catalysts of fluid catalytic cracking (SFCC) using the method of sulfuric acid leaching of a mixture of SFCC and NH4F. The optimal conditions for obtaining th