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Many process waters are filtered so that recirculation is sensible from an ecological and economical point of view. Typical recirculation processes can be found in machining of metals, in metal forming and in washing processes. Objective of filtration is the separation of particulate suspended matter from the process water.
Heavy metals such as nickel, copper, chromium, lead, zinc and mercury are contained in a variety of waste water streams. Main sources are processes in which metal salt solutions are used. The heavy metals gain access to the waste waters during washing and rinsing processes.
The pollution degree of effluents can vary greatly, depending on the formation process. The OKO-aquaclean system can treat effluents with the most cost-effective treatment process in each case, depending on the degree of pollution. Intrinsically safe monitoring in the automatic mode and compliance with all EU-BAT requirements ensure longevity.