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| New Pulp and Paper Process Water Treatment System—VoxSton |
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| DOI：10.11980/j.issn.0254-508X.2016.12.013 |
| Key Words:process water water treatment system energy conservation cost saving |
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| Abstract:A new industrial process water treatment system is presented in this paper. The system consists of two centrifugal separators, a screw separator and two vortex flow flotation units. It can separate the solids like fibers out from the sludge and press them to dry matter content of up to 30 percent and clean the sludge water for recycling or discharge to nature. The treatment system can in the most cases treat process sludge continuously or daily basis directly from the process outlet without equalization and precipitation. The objective using thin system is to recycle the process water and collect different ingredients for reuse as much as possible. The system saves energy and space as well as operational costs roughly 50 percent compared to present advanced systems. The capital costs are estimated to be lower too． |
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