B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
202/65
B01D 3/40 (2006.01)
Patent
CA 1069457
Abstract of the Disclosure Methyl chloride containing water is dried to a low water content by distilling the methyl chloride in the presence of 10-40 molar percent hydrogen chloride, based on the total weight of hydrogen chloride, water and methyl chloride. The distillation is carried out at superatmospheric pressure, preferably 100-300 p.s.i.g., a reflux ratio of 1.3-4 and a temperature of from 100°C. to the azeotropic boiling point at the pressure employed. The methyl chloride dried by this process has a water content of less than 0.04 mole percent.
260895
Hanak Fredric M.
Nino Guillermo J.
Steele John M.
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