In industrial pulp and paper processes, the consumption of fresh water can be reduced by employing counter current water flow arrangements and efficient water separation between the various process stages. The effluent from the processes will then be highly concentrated, but by utilising new evapora
The Finnish company Hadwaco Ltd has delivered its first evaporator for purifying rinse water to a plant for the treatment of aluminium profile surfaces. The purification process is based on a closed-loop system whereby purified rinse water is re-utilised, and chrome is efficiently separated and brou
The Hadwaco system for treatment of industrial and municipal waste water, leachate from landfills and for preparing drinking and process water has in a relatively short time become an attractive alternative to conventional evaporation solutions. Based on mechanical vapour recompression (MVR) and the