BE849344A
(en )
1977-06-13
WATER TREATMENT PROCESS
FR2337105A1
(en )
1977-07-29
APPARATUS FOR PURIFYING WATER BY OZONIZATION
BE855423A
(en )
1977-10-03
WASTEWATER TREATMENT PROCESS
BE856361A
(en )
1978-01-02
PROCESS FOR THE TREATMENT OF ALBUMINOUS WASTEWATER
BE843705A
(en )
1977-01-03
PROCESS FOR PURIFYING RESIDUAL WATER FROM HYDRAZINE PRODUCTION
BE802606A
(en )
1974-01-21
PROCESS FOR THE TREATMENT OF SULPHURATED WASTEWATER
BE846883A
(en )
1977-04-01
PROCESS FOR THE ELIMINATION OF METAL MERCURY,
BE846420A
(en )
1977-01-17
GROUNDWATER PURIFICATION PROCESS
RO69403A2
(en )
1980-05-26
PROCESS FOR PURIFYING SUBSTRATE EXTRACTS FOR THE EVACUATION OF UTERUS
FR2348177A1
(en )
1977-11-10
PROCESS FOR ORTHOALCOYLATION OF PHENOLS
BE849148A
(en )
1977-06-07
WASTEWATER TREATMENT PROCESS
BE862490A
(en )
1978-04-14
PROCESS FOR BIOLOGICAL WATER TREATMENT
FR2325608A1
(en )
1977-04-22
PROCESS FOR THE TREATMENT OF URBAN EFFLUENTS
RO62994A
(en )
1978-03-15
PROCESS AND INSTALLATION FOR THE CHEMICAL PURIFICATION OF WASTEWATER
RO66777A2
(en )
1979-03-15
PROCESS FOR REDUCING ALKALINITY OF WASTEWATER
RO63778A
(en )
1978-10-15
PROCESS FOR PURIFYING WASTEWATER
PT64699B
(en )
1977-08-10
METHOD FOR AVOIDING INCRUSTATION OF POLYMERIZATION REACTORS
BE829007A
(en )
1975-09-01
PROCESS FOR THE TREATMENT OF WASTEWATER BY FLOTATION
BE795889A
(en )
1973-06-18
PROCESS FOR THE TREATMENT OF WASTE WATER
BE858873A
(en )
1978-01-16
PROCESS FOR THE PURIFICATION OF WASTEWATER AND PURIFICATION STATION IMPLEMENTING IT
FR2278636A1
(en )
1976-02-13
RESIDUAL WATER PURIFICATION PROCESS
FR2334634A1
(en )
1977-07-08
PROCEDURE FOR THE REMOVAL OF MERCURY FROM WASTE WATER
BE846833A
(en )
1977-04-01
PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID,
RO69413A
(en )
1981-06-26
PROCESS FOR THE TREATMENT OF SULFURIZED WASTEWATER
BE838607A
(en )
1976-06-16
WASTEWATER TREATMENT PROCESS