Technology of producing local liquid parafines for separation of potassium chloride from natural sylviniteS. S. Vakkasov, Sh. I. Mamadiyorova, G. A. Tadjieva and N. M. GazikhodjayevaE3S Web of Conf., 402 (2023) 14036DOI: https://doi.org/10.1051/e3sconf/202340214036