FR2426651B1
(en )
1986-05-09
INSTALLATION FOR ANAEROBIC PURIFICATION OF WASTEWATER
FR2286109A1
(en )
1976-04-23
PROCESS AND DEVICE FOR OXYGENING WATER FOR ITS SANITATION OR PURIFICATION
BE829728A
(en )
1975-09-15
PLANT FOR THE TREATMENT OF WASTE WATER USING ACTIVE CARBON
BE799519A
(en )
1973-08-31
PROCESS FOR THE PURIFICATION OF AIR AND WASTE WATER CONTAINING SULFUR AND NITROGEN
BE855426A
(en )
1977-12-06
PROCESS AND PLANT FOR THE TREATMENT OF EFFLUENTS AND SEWAGE WATER
BE829029A
(en )
1975-11-13
PROCESS FOR THE TREATMENT OF WASTE WATER USING ACTIVE CARBON
BE861944A
(en )
1978-06-16
WASTE WATER TREATMENT PROCESS
BE845502A
(en )
1976-12-16
METHOD AND DEVICE FOR PURIFYING WATER
BE863791A
(en )
1978-08-09
ONE-STEP PROCEDURE FOR THE CONTINUOUS INTRODUCTION OF OXYGEN GASES IN ACTIVATED SLUDGE CONTAINING WASTE WATER
BE883862A
(en )
1980-10-16
PROCESS AND PLANT FOR THE ANAEROBIC TREATMENT OF WASTEWATER
BE787294A
(en )
1972-12-01
PROCESS AND INSTALLATION FOR THE TREATMENT OF WASTE WATER
FR2644773B2
(en )
1991-05-24
PROCESS AND DEVICE FOR THE PURIFICATION OF POLLUTED WATER
FR2386330B2
(en )
1986-10-24
PURIFICATION APPARATUS USEFUL IN PARTICULAR FOR THE PURIFICATION OF WASTE WATER
FR2288062A1
(en )
1976-05-14
METHOD AND DEVICE FOR THE TREATMENT OF WASTE WATER
BE856081A
(en )
1977-12-27
PLANT FOR ANAEROBIC SLUDGE AND WASTE WATER PURIFICATION.
BE851750A
(en )
1977-08-23
PROCESS FOR THE PURIFICATION OF WASTE WATER CONTAINING ORGANIC COMPOUNDS OF ANIONIC CHARACTER
BE855386A
(en )
1977-12-05
CONTINUOUS TREATMENT OF LIQUID EFFLUENTS AND WASTE WATER
FR2376678B1
(en )
1985-06-07
PROCESS AND PLANT FOR THE CONCENTRATION OF WASTE WATER HAVING A HIGH SALT CONTENT
BE802734A
(en )
1973-11-16
PROCESS AND INSTALLATION FOR THE TREATMENT OF WASTE WATER
RO75774A2
(en )
1981-02-28
PROCESS FOR THE PURIFICATION OF WASTE WATER WITH CYANIDE AND CEMENT CONTENT
FR2347446A1
(en )
1977-11-04
METHOD FOR RECOVERING IRON FROM IRON SLUDGE CONTAINING A MIXTURE OF GYPSUM AND FERRIC HYDROXIDE
BE861314A
(en )
1978-03-16
SIMULTANEOUS PROCESS FOR THE SIMULTANEOUS ELIMINATION OF CARBON AND NITROGEN POLLUTIONS IN WASTE WATER
FR2609979B1
(en )
1991-03-29
PROCESS AND DEVICE FOR THE PURIFICATION OF POLLUTED WATER
RO64671A2
(en )
1979-01-15
PROCESS AND PLANT FOR PURIFYING WASTE WATER WITH CONTENT OF SULFIDES
BE858873A
(en )
1978-01-16
PROCESS FOR THE PURIFICATION OF WASTEWATER AND PURIFICATION STATION IMPLEMENTING IT