FR2547210B1
(en )
1995-09-01
PROCESS FOR THE PURIFICATION OF SMOKE
FR2426651B1
(en )
1986-05-09
INSTALLATION FOR ANAEROBIC PURIFICATION OF WASTEWATER
FR2348159A1
(en )
1977-11-10
PROCESS FOR THE PRODUCTION OF AN ACTIVATED SLUDGE EASILY DECANTABLE IN THE TREATMENT OF WASTEWATER
BE884729A
(en )
1981-02-12
PROCESS FOR THE PURIFICATION OF WASTEWATER CONTAINING COLORING MATERIALS
BE855423A
(en )
1977-10-03
WASTEWATER TREATMENT PROCESS
FR2516071B1
(en )
1988-06-24
ACTIVATED SLUDGE PROCESS FOR THE TREATMENT OF WASTEWATER
BE829029A
(en )
1975-11-13
PROCESS FOR THE TREATMENT OF WASTE WATER USING ACTIVE CARBON
BE890027A
(en )
1982-02-22
PROCESS FOR PURIFYING HEXAMETHYLENEDIAMINE
BE877195A
(en )
1979-10-15
PROCESS FOR THE SELECTIVE ELIMINATION OF IMPURITIES
FR2491909B1
(en )
1987-03-06
PROCESS FOR CONDITIONING SLUDGE OF WASTEWATER
FR2627481B1
(en )
1992-04-10
PROCESS FOR THE PURIFICATION OF WASTEWATER FROM THE GLASS INDUSTRY
BE853319A
(en )
1977-10-07
PROCESS FOR REMOVING NITROGEN COMPOUNDS FROM WASTE WATER FROM ACRYLONITRILE PRODUCTION
RO80894A
(en )
1983-07-07
INSTALLATION FOR THE CONTINUOUS PURIFICATION OF WASTEWATER
BE878077A
(en )
1980-02-04
PROCESS FOR THE PURIFICATION OF TERTIARY AMINES
BE862490A
(en )
1978-04-14
PROCESS FOR BIOLOGICAL WATER TREATMENT
FR2527585B1
(en )
1990-01-05
PROCESS FOR THE TREATMENT OF INDUSTRIAL WASTEWATER WITH ACTIVATED SLUDGE
FR2541670B1
(en )
1989-12-08
PROCESS FOR THICKENING DIGERATED SLUDGE
FR2496084B1
(en )
1987-03-06
PROCESS FOR TREATING WASTEWATER SLUDGE
BE883070A
(en )
1980-10-30
PROCESS FOR THE PURIFICATION OF CRUDE CAPROLACTAM CONTAINING PRIMARY AMIDES AND PURIFIED CAPROLACTAM OBTAINED
BE858873A
(en )
1978-01-16
PROCESS FOR THE PURIFICATION OF WASTEWATER AND PURIFICATION STATION IMPLEMENTING IT
FR2608587B3
(en )
1989-05-26
PROCESS FOR THE PURIFICATION OF INDUSTRIAL EFFLUENTS BY "LITHOTAMNIUM CALCAREUM"
RO87924A2
(en )
1985-12-20
PROCESS FOR THE PURIFICATION OF WASTEWATER
FR2559153B1
(en )
1986-12-12
PROCESS FOR THE PURIFICATION OF OXACEPHALOSPORINS
BE893928A
(en )
1982-11-16
PROCESS FOR PURIFYING TITANYLE HYDRATE
BE891817A
(en )
1982-07-19
CLARIFICATION PROCESS AND PLANT FOR THE PURIFICATION OF WASTEWATER