Engineering & Technologies 4 (2015 8) 468-474 ~ ~ ~ УДК 669.713 Production of the Calcium Fluoride From Solid and Iiquid Wastes of Aluminum Production Process Anatoly N. Baranova Anton V. Morenkoc a b Ekaterina V. Timkinaa , Lyudmila V. <...> Gavrilenkod and Pavel A. Yakushevichd , , National Research Irkutsk State Technical University 83 Lermontov, Irkutsk, 664074, Russia United Company RUSAL Engineering & Technology Centre LLC Bratsk, 665716, Russia 40 Pogranichnikov Str., Krasnoyarsk, 660111, Russia d cRUSAL Global Management, CSC RUSAL Bratsk JSC Bratsk, 665716, Russia Received 21.02.2015, received in revised form 03.03.2015, accepted 30.03.2015 A technology for the regeneration of fl uorine to produce calcium fl uoride from a saturated solution of gas purifi cation had developed. <...> Investigated the optimal conditions for the synthesis of calcium fl uoride gas cleaning solutions. <...> Production of calcium fl uoride will reduce the cost of secondary cryolite, and the purchase of a primary CaF2 to 80 %. <...> The laboratory study on extraction of fl uoride from solid waste leaching process followed by obtaining secondary fl uorides. <...> Keywords: aluminum, fl uoride, liquid and solid waste, calcium fl uoride, cryolite, secondary raw materials, the carbon concentrate. <...> All rights reserved * Corresponding author E-mail address: Lyudmila.Gavrilenko@rusal.com # 468 # Anatoly N. Baranov, Lyudmila V. <...> Production of the Calcium Fluoride From Solid and Iiquid Wastes. <...> Производство фторида кальция из твердых и жидких отходов процесса получения алюминия А.Н. Баранова а б А.А. Гавриленког , Л.В. Гавриленкоб , Е.В. Тимкинаа , А.В. Моренков , П.А. Якушевичг , Иркутский государственный технический университет Россия, 664074, Иркутск, Лермонтова, 83 ООО «РУСАЛ Инженерно-технологический центр» Россия <...>