DE3276308D1
(en )
1987-06-19
Flocculant aid and process for water purification
DE3068512D1
(en )
1984-08-16
Process for treating waste water
GB2084983B
(en )
1983-09-21
Wastewater treatment process
EP0301924A3
(en )
1989-06-07
Waste water treating process
GB2037268B
(en )
1982-11-10
Process for dewatering and sterilising sewage sludge
EP0257983A3
(en )
1988-09-14
Method for treating waste water
GB2196955A
(en )
1988-05-11
Process for treating waste water
ZA842133B
(en )
1985-11-27
Biological wastewater treating system
HK12185A
(en )
1985-02-19
Waste water denitrification process
ZA87867B
(en )
1987-09-30
Process for purifying dyeing wastewaters
DE3572342D1
(en )
1989-09-21
Process and apparatus for the indirect drying of sludges, especially waste water sludges
EP0100568B1
(en )
1987-07-15
Process for the treatment of waste water
GB2113667B
(en )
1985-06-26
Activated-sludge process for wastewater treatment
DE3469723D1
(en )
1988-04-14
Improved sewage sludge treatment apparatus and process
GB8301227D0
(en )
1983-02-16
Treating waste gas
EP0182380A3
(en )
1987-10-21
Process and apparatus for the biological treatment of water, especially for the denitrification of drinking water
DE3463367D1
(en )
1987-06-04
Process and apparatus for the biological purification of waste water
EP0203549A3
(en )
1987-10-21
Waste water treatment process
DE3060114D1
(en )
1982-02-11
Process for purifying waste water
DE3264530D1
(en )
1985-08-08
Process for the simultaneous purification and detoxication of waste waters or solutions that contain cr (vi)
YU213681A
(en )
1983-12-31
Process for the purification of waste water
ZA777362B
(en )
1978-10-25
Process for purifying waste waters
JPS57135790A
(en )
1982-08-21
Sludge composting process
YU44959B
(en )
1991-06-30
Process for purifying waste waters of textile, leather and similar industriess
GB8525982D0
(en )
1985-11-27
Wastewater treatment process