GB1543528A
(en )
1979-04-04
Method of treating waste water and sludge product thereof
GB2068947B
(en )
1983-12-21
Waste water treatment in the production of methacrylic acid
BE877162A
(fr )
1979-10-15
Procede de traitement d'eau
DE2862070D1
(en )
1982-12-02
Biological treatment of waste water
IT1078665B
(it )
1985-05-08
Procedimento e impianto per la depurazione di acque di scarico
BE860261A
(fr )
1978-04-28
Procede de traitement anaerobie de courants residuaires en particulier d'eaux usees acides de petrochimie
NZ194657A
(en )
1982-12-21
Purification of waste water two step process involving (1) oxidation (2) coagulation-flocculation-decantation
BE861944A
(fr )
1978-06-16
Procede d'epuration d'eaux residuaires
DE2963462D1
(en )
1982-09-30
Integrated process for treating waste water from anodisation plants
DE2860355D1
(en )
1981-03-12
Process for the biological purification of waste water
ZA75792B
(en )
1976-01-28
Treatment of acid waste waters to produce ferromagnetic sludges
DE2961410D1
(en )
1982-01-28
Process for treatment of raw and waste water and its application
BE826732A
(fr )
1975-06-30
Procede et installation d'epuration biologique d'eau usee
LU80327A1
(fr )
1979-03-16
Procede d'epuration des eaux residuaires
IL55261A
(en )
1982-12-31
Process for the combined utilization of waste products and clarification of water and multi-stage filtration device therefor
DE2962861D1
(en )
1982-07-08
Process for the biological treatment of waste water
CS184159B1
(en )
1978-08-31
Removal of difficult filterable sludges from biological waste water treatment plant in citric acid production
YU246078A
(en )
1982-06-30
Process for the biological purification of waste water
JPS541295A
(en )
1979-01-08
Treatment of waste material in phosphoric acid production
JPS5337178A
(en )
1978-04-06
Method of treating cleansing waste water of chmical plants
BE859482A
(fr )
1978-04-07
Procede de traitement d'eaux residuaires
BE852383A
(fr )
1977-07-01
Procede de traitement d'eaux residuaires
JPS5410560A
(en )
1979-01-26
Method of removing large living thing in waste water treatment utilizing microorganisms
JPS5473462A
(en )
1979-06-12
Facility for biological treatment of waste water
JPS54131348A
(en )
1979-10-12
Biological denitrification method of waste water