Process for operating a two-stage installation for purifying communal waste water and installation for carrying out the process
HRP960018B1
Process for the multidegree purification of waist water particularly in two degrees by means of active sludge device
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Process for the purification of wastewater with the help of a wastewater treatment plant which has two activation stages
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Biological waste-water treatment plant - by adsorption process, in which performance is improved by addition of final denitrification filtration stage
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Installation for purifying waste water, esp. domestic waste water - has 2 biologically intensified filtration stages, 1st ŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸ for nitrification and 2nd for denitrification
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Process for sewage and sludge treatment
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Process for purifying waste water and for sludge treatment
US4780208A
Process for purification of effluent
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Process and plant for the further processing of raw sludge taken off from a biological waste water (effluent) purification plant
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Process for the further processing of raw sludge taken off from a biological waste water (effluent) purification plant
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Process for the further processing of raw sludge taken off from a biological waste water (effluent) purification plant
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Plant for biological waste water purification
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Plant for purifying highly concentrated waste water
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Plant for the purification of waste water having an adsorption tank and intermediate clarifying tank
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Process for purifying waste water, in particular municipal waste water
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Process for purifying waste water
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WASTEWATER PURIFICATION SYSTEM TO BE SET UP IN MULTIPLE EXPANSION STAGES
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Process for the two-stage biological purification of wastewater, in particular municipal wastewater
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Plant for the purification of waste water and the treatment of the resulting sludge
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Process for the purification of waste water in plants with adsorption stage
