BE811118A
(en )
1974-08-16
RESIDUAL WATER TREATMENT PROCESS
RO64742A
(en )
1979-06-15
PROCESS AND INSTALLATION FOR TREATING WASTE WATER
FR2353210A7
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1977-12-23
METHOD AND APPARATUS FOR DETECTING THE DEGREE OF CONTAMINATION OF WASTE WATER
BE809987A
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1974-05-16
CONTINUOUS PRODUCTION PROCESS OF CALCIUM HYDRATED SILICATES
BE806778A
(en )
1974-04-30
WASTE WATER DEAZOTATION PROCESS
BE773896A
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1972-01-31
PROCESS FOR TREATING WASTE WATER
BE822555A
(en )
1975-03-14
METHOD AND APPARATUS FOR CALCINATION OF CALCIUM SULPHATE FROM WATER MOLECULES
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
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
BE831477A
(en )
1976-01-19
RESIDUAL WATER PURIFICATION PROCESS
CA1013511A
(en )
1977-07-12
Purification of waste water from sulphate pulp bleaching
BE771329A
(en )
1971-12-16
MALODORANT RESIDUAL WATER TREATMENT PROCESS
BE833837R
(en )
1976-03-25
TREATMENT PROCESS FOR WASTE WATER CONTAINING FORMALDEHYDE
FR2317228A1
(en )
1977-02-04
LIME EXTRACTION PROCESS FROM CALCIUM HYPOCHLORITE SOLUTIONS
AT334196B
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1976-01-10
PROCESS FOR REDUCING THE CALCIUM CONTENT OF SODIUM BASED WASTE SULFITE LIQUIDS