Line Filter is used to filter waste water from cutting, grinding various kinds of stone and various fittings and concrete paving. That device is installed in Presbetonu Drahotuse. Equipment 50 m3 clean wastewater for 1 hour, treated waste water separator filter and filter press is re-used in the operation. Drainage in the form of sludge cake is used for backfilling and reclamation. Production of solid waste is approximately 15 tons / 8 hours.

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