BE833339A
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1976-03-12
INDUSTRIAL WASTEWATER TREATMENT PROCESS
BE846256A
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1977-03-16
TREATMENT OF NON-BIODEGRADABLE INDUSTRIAL WASTEWATER
FR2287420A1
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1976-05-07
DISINFECTION OF LIQUID WASTE AND WASTE WATER
AT333670B
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1976-12-10
METHOD OF COMBATING THE GROWTH OF BACTERIA AND ALGAE IN THE WATER OF SWIMMING POOLS
BE801942A
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1973-11-05
PROCESS FOR BIOLOGICAL PURIFICATION OF SEWER WATER
BE884729A
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1981-02-12
PROCESS FOR THE PURIFICATION OF WASTEWATER CONTAINING COLORING MATERIALS
BE821942A
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1975-05-07
ADSORPTION PRODUCT FOR THE TREATMENT OF INDUSTRIAL WASTEWATER
IT1016264B
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1977-05-30
PURIFICATION OF WASTE WATER CONTAINING ORGANIC AND INORGANIC IMPURITIES
BE802544A
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1973-11-16
RESIDUAL WATER DEPHENOLATION PROCESS
BE821941A
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1975-05-07
INDUSTRIAL WASTEWATER TREATMENT PROCESS
RO73076A
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1982-10-26
PROCESS AND INSTALLATION FOR THE PURIFICATION OF WASTEWATER RESULTED IN AGROZOOTECHNIC COMPLEXES
RO64813A
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1979-05-15
INSTALLATION OF BIOLOGICAL PURIFICATION OF WASTEWATER
FR2187804B2
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1975-03-07
ANION EXCHANGER CELLULOSE AND ITS APPLICATION TO THE TREATMENT OF CERTAIN INDUSTRIAL WASTE WATERS
BE801289A
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1973-12-26
INDUSTRIAL WASTEWATER TREATMENT PROCESS
BE802606A
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1974-01-21
PROCESS FOR THE TREATMENT OF SULPHURATED WASTEWATER
BE831472A
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1976-01-19
WASTE WATER TREATMENT
RO64320A2
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1979-03-15
METHOD OF IDENTIFICATION OF AZOTITES IN INDUSTRIAL WATERS
BE823218A
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1975-06-11
WASTE WATER AERATOR
FR2314898A1
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1977-01-14
INDUSTRIAL WASTEWATER TREATMENT PROCESS
BE808893A
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1974-06-20
PURIFICATION OF ANTRAQUINONE
BE800583A
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1973-10-01
MICROBIOLOGICAL DEPURATION PROCESS OF DAIRY RESIDUAL WATER
FR2285349A1
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1976-04-16
BIOLOGICAL TREATMENT OF WASTE WATER
FR2278636A1
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1976-02-13
RESIDUAL WATER PURIFICATION PROCESS
BE790671A
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1973-02-15
BIOCHEMICAL RESIDUAL WATER TREATMENT PROCESS
FR2281901A1
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1976-03-12
WASTEWATER BIOLOGICAL DEPURATION PROCESS