JPS52105575A
(en )
1977-09-05
Aerobic biological purification and the apparatus for waste water containing organic pollutants
MA18784A1
(en )
1980-10-01
DEVICE FOR AERATION OF SEWAGE OR SLUDGE
IT1213032B
(en )
1989-12-07
PROCEDURE FOR THE INHIBITION OF MICROORGANISMS IN LIQUID HYDROCARBONS.!
DE3863254D1
(en )
1991-07-18
PLANT FOR AEROBIC BIOLOGICAL PURIFICATION OF POLLUTANT-BASED WATER.
MX162043A
(en )
1991-03-25
IMPROVEMENTS IN APPARATUS FOR BIOLOGICAL AEROBIC TREATMENT OF WASTE WATERS
IT8049193A0
(en )
1980-07-08
SYSTEM FOR THE DISPOSAL OF SEWAGE WATER PARTICULARLY FOR VESSELS
IT7922861A0
(en )
1979-05-21
DEVICE FOR THE DECONTAMINATION OF IMPURITIES CONTAINED IN WATER AND SEWAGE SLUDGE.
FR2644773B2
(en )
1991-05-24
PROCESS AND DEVICE FOR THE PURIFICATION OF POLLUTED WATER
ES515833A0
(en )
1983-11-01
"IMPROVEMENTS IN THE FACILITIES FOR THE BIOLOGICAL TREATMENT OF WATER OR WASTE WATER".
IT7850056A0
(en )
1978-06-27
GAS IN LIQUIDS IN PARTICULAR FOR DEVICE FOR THE INTRODUCTION OF WASTE WATER AERATION
IT7924229A0
(en )
1979-07-10
APPARATUS FOR THE BIOLOGICAL PURIFICATION OF SEWAGE WATER AND IN GENERAL FOR THE AERATION OF LIQUIDS.
DE3372436D1
(en )
1987-08-20
Process and apparatus for the biological anaerobic denitrification of aquarium water
DE3675243D1
(en )
1990-12-06
DEVICE FOR AEROBIC BIOLOGICAL WASTE WATER TREATMENT.
IT1188843B
(en )
1988-01-28
DEVICE FOR THE BIOLOGICAL PURIFICATION OF WASTE WATER
AT379122B
(en )
1985-11-25
WASTEWATER SYSTEM FOR THE BIOLOGICAL PURIFICATION OF ORGANICALLY POLLUTED WASTE WATER
ES516351A0
(en )
1983-06-16
"DEVICE FOR AEROBIC BIOLOGICAL PURIFICATION OF MEDIA, SUCH AS RECENTLY FORMED WASTE OR MUDS AND FECALS".
YU204177A
(en )
1982-06-30
Aerator for the surface aeration and circulation of liquids in the biological purification of waste water
IT1197685B
(en )
1988-12-06
PLANT FOR THE BIOLOGICAL PURIFICATION OF WATERS
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
IT8509319A0
(en )
1985-01-25
BIOLOGICAL WASTE WATER PURIFICATION PROCESS WITH NITRIFICATION ZONE
IT8124821A0
(en )
1981-11-03
PLANT FOR THE BIOLOGICAL PURIFICATION OF WASTE WATER CONTAINING CARBON AND NITROGEN.
ATE68447T1
(en )
1991-11-15
WASTE WATER PURIFICATION PROCESS AND WASTE WATER PURIFICATION PLANT.
FR2617830B1
(en )
1989-12-15
PROCESS FOR THE BIOLOGICAL PURIFICATION OF METHANOL IN WASTEWATER
PT84071A
(en )
1987-02-01
Process for the biological aerobic purification of drain and waste water