FR2781168B1
(en )
2000-09-15
WATER TREATMENT PROCESS AND INSTALLATION
FI943555A7
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1994-09-30
Method for treating sewage water
ZA842133B
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1985-11-27
Biological wastewater treating system
MA23791A1
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1996-10-01
APPARATUS AND METHOD FOR PURIFYING WATER
FR2594113B1
(en )
1991-05-17
PROCESS AND PLANT FOR THE PURIFICATION OF WASTEWATER, ESPECIALLY URBAN WASTEWATER
GB2099807B
(en )
1984-08-30
Waste water treatment apparatus for denitrification
FR2686794B1
(en )
1995-06-16
PROCESS FOR HYGIENIZING WASTE AND INSTALLATION FOR CARRYING OUT THIS PROCESS.
FR2674844B1
(en )
1994-05-06
PROCESS AND INSTALLATION FOR THE TREATMENT OF PURIFICATION OF ANIMAL SLURRY.
IT8219529A0
(en )
1982-02-09
PROCEDURE FOR PURIFYING LOWLY POLLUTED WASTE WATER.
FR2787783B1
(en )
2001-02-02
BACTERIAL TREATMENT PROCESS FOR EFFLUENTS CONTAINING AT LEAST ONE ETHER
RO86422A2
(en )
1985-04-17
BIOLOGICAL METHOD AND INSTALLATION FOR PURIFYING WASTEWATER WATER FROM NO3-, NO2- AND SO4,2
BE860849A
(en )
1978-05-16
BIOLOGICAL WASTE WATER TREATMENT PROCESS AND INSTALLATION FOR IMPLEMENTING THIS PROCESS
DE3675243D1
(en )
1990-12-06
DEVICE FOR AEROBIC BIOLOGICAL WASTE WATER TREATMENT.
AT379122B
(en )
1985-11-25
WASTEWATER SYSTEM FOR THE BIOLOGICAL PURIFICATION OF ORGANICALLY POLLUTED WASTE WATER
FR2496084B1
(en )
1987-03-06
PROCESS FOR TREATING WASTEWATER SLUDGE
FR2606769B1
(en )
1989-02-17
PROCESS AND PLANT FOR THE DENITRIFICATION OF POLLUTED WATER
FR2770227B1
(en )
1999-12-17
BIOLOGICAL COMPOSITION FOR PURIFYING AQUEOUS EFFLUENTS AND SLUDGE AND METHOD FOR IMPLEMENTING AND SEEDING THE SAME
FI904979A7
(en )
1992-04-11
Method for purifying waste and/or drinking water
FR2511359B1
(en )
1985-10-04
OZONE WASTEWATER TREATMENT PROCESS
FR2591584B1
(en )
1990-10-26
PROCESS AND PLANT FOR TREATING WASTEWATER.
FR2664619B1
(en )
1993-08-06
METHOD AND DEVICE FOR TREATING THE EFFLUENTS OF AN ELECTRO-DEPOSITION INSTALLATION.
PT75232B
(en )
1984-07-23
Biological wastewater treating system
BE894670A
(en )
1983-01-31
METHOD FOR OPERATING A WASTEWATER TREATMENT SYSTEM WITH AERATION BASINS AND SYSTEM USING THE SAME
GB2118161B
(en )
1985-07-17
Process and equipment for biological purification of waste waters by means of activated sludge
FR2576893B1
(en )
1990-12-14
METHOD AND PLANT FOR TREATING WASTEWATER