Applied Sciences
| Open Access |
DOI: Thermoregeneration Of Spent Perlite After Freezing Vegetable Oil
D.S. Salikhanova , Institute of General and Inorganic Chemistry, Academy of Sciences of Republic of Uzbekistan, 77a M. Ulugbek, 100170, Uzbekistan M.M. Muratov , Institute of General and Inorganic Chemistry, Academy of Sciences of Republic of Uzbekistan, 77a M. Ulugbek, 100170, Uzbekistan D.S. Sagdullaev , Institute of Bioorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan M.A. Ismailova , Institute of General and Inorganic Chemistry, Academy of Sciences of Republic of Uzbekistan, 77a M. Ulugbek, 100170, Uzbekistan I.D. Eshmetov , Institute of General and Inorganic Chemistry, Academy of Sciences of Republic of Uzbekistan, 77a M. Ulugbek, 100170, Uzbekistan Z.T. Usmanova , Namangan Institute of Engineering and Technology, Kosonsoy Street, 7, Namangan, 160115, Uzbekistan A.A. Abdurakhimov , Tashkent Institute of Chemical Technology, Tashkent, Uzbekistan D.D. Savrieva , Institute of General and Inorganic Chemistry, Academy of Sciences of Republic of Uzbekistan, 77a M. Ulugbek, 100170, UzbekistanAbstract
This article presents the possibility of regenerating spent perlite after the freezing process of vegetable oil. It was established that the composition of spent perlite contains up to 70% wax-like substances. Their combustion leads to the restoration of perlite as a filtration material or as a secondary raw material for obtaining silicon dioxide. It was determined that after calcination at 500–550°C for 120 minutes, the yield of calcined perlite amounts to 25%, while further temperature increases have little effect on yield, which indicates that the entire organic fraction burns out within this temperature range.
Keywords
Perlite, silicon dioxide, regeneration
References
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Copyright (c) 2025 D.S. Salikhanova, M.M. Muratov, D.S. Sagdullaev, M.A. Ismailova, I.D. Eshmetov, Z.T. Usmanova, A.A. Abdurakhimov, D.D. Savrieva
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