ZA732913B
(en )
1974-04-24
Nitrification of bod-containing water
IL41108A0
(en )
1973-02-28
Plant for the mechanical-biological purification of effluent
YU165770A
(en )
1982-02-28
Process for the purification of waste-water
CA937343A
(en )
1973-11-20
Process for detoxicating waste waters charged with organic cyanide impurities
BE772150A
(fr )
1972-01-17
Adoucisseur d'eau
CA948119A
(en )
1974-05-28
Wastewater concentration
JPS53149868A
(en )
1978-12-27
Microbial decomposition of petroleum waste
MY7300437A
(en )
1973-12-31
Improvements in or relating to processer for the purification of waste effluent
PH15297A
(en )
1982-11-12
Process for the purification of water
YU34780B
(en )
1980-03-15
Process for reducing the biochemical oxygen demand of sewage
AU7316474A
(en )
1976-03-18
Purification of waste water
CS180576B2
(en )
1978-01-31
Process for the purification of waste water
YU34866B
(en )
1980-04-30
Process for the purification of sewage
YU36673B
(en )
1984-08-31
Process for the purification of waste water
GB1436111A
(en )
1976-05-19
Water purification
ZA713459B
(en )
1972-01-26
Treatment of sewage sludge
YU34507B
(en )
1979-09-10
Process for the purification of lactam
IL39131A0
(en )
1972-06-28
The purification of waste waters
IL37665A0
(en )
1971-11-29
Process for sanitizing waters
CS179462B1
(en )
1977-11-30
Electrolyser with diaghragma for the purification of waste water containing 1-100g/1 cyanides
YU308380A
(en )
1983-02-28
Process for the continuous detoxication of cyanides and waste solutions containing cyanides
AU3708271A
(en )
1973-06-28
Purification of waste water
IE36612L
(en )
1972-06-17
Lavatory cleaning composition
CA972652A
(en )
1975-08-12
Treatment of sewage or contaminated water
CA903937A
(en )
1972-06-27
Sludge concentration