EP0301924A3
(en )
1989-06-07
Waste water treating process
EP0257983A3
(en )
1988-09-14
Method for treating waste water
GB2196955A
(en )
1988-05-11
Process for treating waste water
PL275352A1
(en )
1989-06-12
Method of microbiologically transforming sulfur containing harmful substances contained in waste gases
YU140187A
(en )
1989-08-31
Process for purifying waste gasses
DE3469723D1
(en )
1988-04-14
Improved sewage sludge treatment apparatus and process
EP0235637A3
(en )
1989-10-18
Process and apparatus for purifying waste water sludge of organic origin
NZ226454A
(en )
1990-05-28
Anaerobic waste water treatment apparatus
HUT55713A
(en )
1991-06-28
Process for treating clarifying sludge
GB2208856B
(en )
1991-04-03
Process for regulating installations for purifying waste water
CS652087A1
(en )
1988-09-16
Process for lowering sulphide content in waste waters from treatment of fossil fuels
DE3468098D1
(en )
1988-01-28
Process for dewatering sludges and/or organic matter
GB8715197D0
(en )
1987-08-26
Treatment of organically-based waste matter
GB8309307D0
(en )
1983-05-11
Concentration of biologically activated sludge
DE3473472D1
(en )
1988-09-22
Process for the treatment of process waste waters and waste waters in the hydrogenation of coal
GB2200625B
(en )
1990-04-18
Plant for treatment of natural and waste water sediments
GB2182920B
(en )
1989-07-12
Primary sewage sludge treatment process
GR870485B
(en )
1987-04-30
Process for sewage and sludge treatment
YU55386A
(en )
1989-12-31
Process for treating waste waters with vinyl-acetat content
DE3465973D1
(en )
1987-10-15
Process for dewatering sludges and/or organic matter
DE3660760D1
(en )
1988-10-27
Process for the precipitation of dissolved sulfides from waste water containing sulfides
GB8519546D0
(en )
1985-09-11
Packings for waste water treatment
GB2129786B
(en )
1986-06-04
Sludge treatment or dewatering process
YU44698B
(en )
1990-12-31
Process for purifying waste waters at phenol-formaldehide pitches
HU205590B
(en )
1992-05-28
Process for enhancing purifying capacity of apparatus for purifying waste waters with oxidizing channel