Process and apparatus for purification of chlorine gas contaminated with bromine

• Main Authors: OTAL, JOSE VICENTE, BENKAHLA, BEN AISSA, DIETRICH, MARC, HERNANDEZ, JOSE LUIS
• Format: Patent
• Language: English; French; German
• Published: 16.02.2000
• Edition: 7
• Subjects: CHEMISTRY; COMPOUNDS THEREOF; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The flow of chlorine gas is washed in a column (5) with an aqueous solution comprising a low-salt brine extracted from downstream of electrolyzers (3) producing chlorine by electrolysis of brine. The brine washing is carried out in back flow, preferably with the chlorine gas flowing upwards, at a te...