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Clean water is a valuable commodity. Thanks to sophisticated closed-circuit systems, not a drop of it is wasted on sites of Evonik.
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Clean water is a valuable commodity. For a chemical plant, it’s also an indispensable medium for production, cooling, heat transport, and energy generation. At the Wesseling chemical plant, Evonik Industries is demonstrating how responsibly it manages its use of water today. Specifically, thanks to ultramodern closed-circuit systems that use state-of-the-art technology, it deals sparingly with this precious substance at a production location that needs large quantities of water and has evolved over a long period of time. The plant needs 3.6 million liters of water on average during every hour of operation. Evonik uses this water responsibly and returns it, purified in line with very strict standards, into the natural water cycle.
The entire process is continuously monitored and regularly checked by the responsible authorities without previous notification. By using water multiple times, Evonik is pursuing environmental and economic targets. Over 99 percent of the demineralized water is fed with secondary water, and 80 percent of the feed water production comes from the plants’ reused condensate. Thanks to a process developed by Evonik employees, the plant needs only the water from already existing wells and has not had to drill any new well pits.