WASTE WATER EVAPORATION PLANT A chemical company in Spain that produces sulphuric acid, nitric acid and other chemicals approached us to resolve a serious environmental problem that they had involving the wash water used to clean the tanks where chemicals are stored. Obviously no wash water could be drained to the river without being treated to eliminate all traces of hazardous chemicals. compression system to reduce energy consumption. Evaporation is performed at 80°C, and the vapour obtained is compressed up to a pressure equivalent to 105°C approximately. This vapour is then used to provide the evaporation energy by condensation in the Solution We proposed a solution designed to utilise a unique effect of evaporation and a mechanical vapour re- ×evaporator. An additional electrical heat

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