EP0257983A3
(en )
1988-09-14
Method for treating waste water
AR245081A1
(en )
1993-12-30
Method to detoxify sewage sludge
GB2196955B
(en )
1990-10-17
Method for treating waste water.
AR245010A1
(en )
1993-12-30
Method for treating waste paint sludge
HU9300003D0
(en )
1993-06-28
Method for purifying water
AU1233588A
(en )
1988-09-01
Method for treating wastewater sludge
GB2186276B
(en )
1990-09-26
A method and installation for the purification of waste water, notably or urban waste water
YU140187A
(en )
1989-08-31
Process for purifying waste gasses
AU4572293A
(en )
1994-02-14
Process for purifying sludge containing mainly water
GB2208856B
(en )
1991-04-03
Process for regulating installations for purifying waste water
GB8802266D0
(en )
1988-03-02
Method of & arrangement for purifying contaminated water
GB8711320D0
(en )
1987-06-17
Waste disposal method
BG42066A1
(en )
1987-10-15
Method for purifying waste waters from organic scbstances
FI103107B1
(en )
1999-04-30
Method for purifying waste water
PL269650A2
(en )
1988-09-29
Method for purifying dye factory waste
GB2198432B
(en )
1990-07-18
Apparatus for purifying drinking water
YU44698B
(en )
1990-12-31
Process for purifying waste waters at phenol-formaldehide pitches
BG34815A1
(en )
1983-12-15
Method for purifying waste waters from chlororganic compounds
GB8619175D0
(en )
1986-09-17
Plant for purifying waste water
DE3760413D1
(en )
1989-09-14
A process for purifying waste water
RO100818B1
(en )
1992-09-10
Double purification method for residual waters
YU212786A
(en )
1988-10-31
Flotation device for waste waters purifying
BG38389A1
(en )
1985-12-16
Method for purifying waste waters from nickel
YU225486A
(en )
1989-10-31
Device for purifying waste waters from arsenite ions
YU184387A
(en )
1989-10-31
Device for purifying waste waters from copper