SE8107291L
(sv )
1981-12-04
Forfarande for behandling av avloppsvatten
IT1120591B
(it )
1986-03-26
Procedimento per il trattamento di acque di scarico
GB2033368B
(en )
1982-09-08
Treatment of waste
DE2862070D1
(en )
1982-12-02
Biological treatment of waste water
JPS5527092A
(en )
1980-02-26
Biological refining device of water
DK159200C
(da )
1991-02-25
Fremgangsmaade til behandling af spildevandsslam
AR219788A1
(es )
1980-09-15
Procedimiento de depuracion de aguas servidas
PL203887A1
(pl )
1978-12-18
Sposob oczyszczania sciekow zawierajacych dyspersyjne zywice akrylowe
JPS52139259A
(en )
1977-11-21
Modifying method of biological sludge
JPS54124899A
(en )
1979-09-28
Treatment of waste matter
ZA792194B
(en )
1981-01-28
Treatment of liquids
JPS52139258A
(en )
1977-11-21
Modifying method of biological sludge
PL110701B2
(en )
1980-07-31
Method of biological sewage treatment
JPS54164061A
(en )
1979-12-27
Method of treating oillcontained waste liquid
JPS5431957A
(en )
1979-03-09
Method of treating waste water containing hydroxyacetone
PL205727A1
(pl )
1979-02-12
Jonitowy sposob oczyszczania sciekow zawierajacych zwiazki cyjano-alkaliczne
JPS54129755A
(en )
1979-10-08
Treatment method of waste water
JPS54139905A
(en )
1979-10-30
Treatment of sludge containing oil
DK536478A
(da )
1979-07-05
Fremgangsmaade til slamkoncentrering
JPS5496260A
(en )
1979-07-30
Method of treating activated sludge
AU523472B2
(en )
1982-07-29
Treatment of high level nuclear waste
SE7808862L
(sv )
1980-02-23
Forfarande for behandling av avloppsvetskor
PL204511A1
(pl )
1979-10-08
Sposob uzdatniania przekondensowanych zywic alkidowych
JPS5296461A
(en )
1977-08-13
Method of treating scum at sewerage place
JPS54141042A
(en )
1979-11-01
Method of disposing sludge containing water