RO64742A
(en )
1979-06-15
PROCESS AND INSTALLATION FOR TREATING WASTE WATER
FR2353210A7
(en )
1977-12-23
METHOD AND APPARATUS FOR DETECTING THE DEGREE OF CONTAMINATION OF WASTE WATER
BE799311A
(en )
1973-11-09
INDUSTRIAL WASTE WATER PURIFICATION PROCESS,
BE809987A
(en )
1974-05-16
CONTINUOUS PRODUCTION PROCESS OF CALCIUM HYDRATED SILICATES
BE806778A
(en )
1974-04-30
WASTE WATER DEAZOTATION PROCESS
BE828916A
(en )
1975-11-10
ANAEROBIC RESIDUAL WATER TREATMENT PROCESS
BE773896A
(en )
1972-01-31
PROCESS FOR TREATING WASTE WATER
BE822555A
(en )
1975-03-14
METHOD AND APPARATUS FOR CALCINATION OF CALCIUM SULPHATE FROM WATER MOLECULES
BE787294A
(en )
1972-12-01
PROCESS AND INSTALLATION FOR THE TREATMENT OF WASTE WATER
RO65207A2
(en )
1978-08-15
PROCESS AND INSTALLATION FOR DECARBONATION OF CONTENT WATER FROM ALKALI BICARBONATES
BE828198A
(en )
1975-10-21
TREATMENT PROCESS FOR WASTE WATER CONTAINING FORMALDEHYDE
BE775870A
(en )
1972-03-16
WASTE WATER TREATMENT PROCESS
BE799959A
(en )
1973-11-26
PROCESS FOR OBTAINING A CONSTRUCTION MATERIAL CONTAINING HYDRATED LIME AND PLASTER,
BE821507A
(en )
1975-04-25
METHOD AND DEVICE FOR THE TREATMENT OF WASTE WATER
BE781019A
(en )
1972-09-21
PROCESS FOR OBTAINING CHLORINE AND SODA BY ELECTROLYSIS OF BRINE
BE778221A
(en )
1972-05-16
CHEMICAL WASTE WATER PURIFICATION PROCESS AND DEVICE FOR IMPLEMENTING THIS PROCESS
BE851750A
(en )
1977-08-23
PROCESS FOR THE PURIFICATION OF WASTE WATER CONTAINING ORGANIC COMPOUNDS OF ANIONIC CHARACTER
RO65137A2
(en )
1978-08-15
PROCESS FOR DECARBONATING WATER WITH CONTENT OF ALKALI BICARBONATES
BE824088A
(en )
1975-07-03
EFFLUENT WATER TREATMENT PROCESS
BE782358A
(en )
1972-08-16
RESIDUAL WATER PURIFICATION PROCESS
BE802734A
(en )
1973-11-16
PROCESS AND INSTALLATION FOR THE TREATMENT OF WASTE WATER
FR2376678B1
(en )
1985-06-07
PROCESS AND PLANT FOR THE CONCENTRATION OF WASTE WATER HAVING A HIGH SALT CONTENT
BE795889A
(en )
1973-06-18
PROCESS FOR THE TREATMENT OF WASTE WATER
FR2278636A1
(en )
1976-02-13
RESIDUAL WATER PURIFICATION PROCESS
CA1013511A
(en )
1977-07-12
Purification of waste water from sulphate pulp bleaching