MA18784A1
(en )
1980-10-01
DEVICE FOR AERATION OF SEWAGE OR SLUDGE
BE820099A
(en )
1975-03-19
WASTEWATER AERATION PROCESS AND DEVICE
FR2450238B1
(en )
1985-08-02
WASTEWATER TREATMENT PLANT
FR2426651B1
(en )
1986-05-09
INSTALLATION FOR ANAEROBIC PURIFICATION OF WASTEWATER
JPS52105575A
(en )
1977-09-05
Aerobic biological purification and the apparatus for waste water containing organic pollutants
BE884729A
(en )
1981-02-12
PROCESS FOR THE PURIFICATION OF WASTEWATER CONTAINING COLORING MATERIALS
FR2344502A1
(en )
1977-10-14
SEWAGE DECANTATION BASIN
BE787791A
(en )
1972-12-18
METHOD AND DEVICE FOR THE TREATMENT OF ORGANICALLY POLLUTED SEWAGE
BE855426A
(en )
1977-12-06
PROCESS AND PLANT FOR THE TREATMENT OF EFFLUENTS AND SEWAGE WATER
BE883862A
(en )
1980-10-16
PROCESS AND PLANT FOR THE ANAEROBIC TREATMENT OF WASTEWATER
FR2644773B2
(en )
1991-05-24
PROCESS AND DEVICE FOR THE PURIFICATION OF POLLUTED WATER
FR2291946A1
(en )
1976-06-18
DEVICE FOR IRRADIATION OF WASTE WATER SLUDGE
FR2547574B1
(en )
1988-08-05
PROCESS AND PLANT FOR THE AEROBIC BIOLOGICAL PURIFICATION OF WASTEWATER USING FREE AND FIXED MICROORGANISMS
IT7809548A0
(en )
1978-07-28
DEVICE FOR AERATION OF LIQUIDS IN PARTICULAR WASTE WATER
RO73384A2
(en )
1981-11-04
AERATION AND HOMOGENIZATION BASIN FOR DRINKING WASTEWATER
DE2960911D1
(en )
1981-12-17
Waste water aeration basin
BE877249A
(en )
1979-10-15
DEVICE FOR THE BIOLOGICAL TREATMENT OF WASTE WATER.
BE856081A
(en )
1977-12-27
PLANT FOR ANAEROBIC SLUDGE AND WASTE WATER PURIFICATION.
ATA62191A
(en )
1992-01-15
BIOLOGICAL WASTE WATER TREATMENT REACTOR
AT382856B
(en )
1987-04-27
DEVICE FOR AEROBIC BIOLOGICAL WASTE WATER TREATMENT
FR2606769B1
(en )
1989-02-17
PROCESS AND PLANT FOR THE DENITRIFICATION OF POLLUTED WATER
FR2590245B1
(en )
1991-03-22
APPARATUS FOR THE ANAEROBIC TREATMENT OF WASTEWATER
FR2609979B1
(en )
1991-03-29
PROCESS AND DEVICE FOR THE PURIFICATION OF POLLUTED WATER
FR2285349A1
(en )
1976-04-16
BIOLOGICAL TREATMENT OF WASTE WATER
BE872108A
(en )
1979-03-16
DEVICE FOR THE BIOLOGICAL TREATMENT OF WASTEWATER