TW342344B
(en )
1998-10-11
Process and plant for extraction or recovery of acids from solutions of these acids
IT1189071B
(it )
1988-01-28
Procedimento per la rimozione di metalli da acque che li contengono
EP0399573A3
(en )
1990-12-19
Process for recovery of amino acid from aqueous mixtures
IE38034B1
(en )
1977-12-07
A method of biological purification of sewage and plant for carrying out the method
IL84177A0
(en )
1988-03-31
Process for the manufacture of alginates(polyuronides)with altered physical properties
DE3761983D1
(de )
1990-04-26
Verfahren zur herstellung von farbstarken, im nitrobenzolreduktionsverfahren erhaltenen eisenoxidschwarzpigmente.
EP0436098A3
(en )
1992-03-04
Process for degassing purified water obtained by reverse osmosis and reverse osmosis system for carrying out said method
MY119738A
(en )
2005-07-29
Process for the purification of an alkanolamine
RO101500A2
(ro )
1991-12-09
Procedeu de obtinere a coagulantilor pentru purificarea apelor
FR2342251A1
(fr )
1977-09-23
Traitement de liquides avec separation de gaz
JPS51142861A
(en )
1976-12-08
Treating method of waste liquor containing phosphoric acid or phosphat es
JPS5239960A
(en )
1977-03-28
Method for treating stency sewage
DE69622193T2
(de )
2003-03-20
Verfahren zur winnung von ampicillin
JPS5212761A
(en )
1977-01-31
Method of treating waste water
ATE14203T1
(de )
1985-07-15
Verfahren und vorrichtung zur behandlung des bei der chemischen reinigung von abwaessern anfallenden schlamms.
JPS5428449A
(en )
1979-03-03
Method of removing ammoniacal nitrogen of digested, separated liquid of raw sewage
JPS5390650A
(en )
1978-08-09
Waste water treatment
MX9701265A
(es )
1997-05-31
Procedimiento para tratar una corriente acuosa de desechos de fluoruro de potasio y para convertir este fluoruro de potasio en fluoruro de hidrogeno e hidroxido de potasio.
IT1190283B
(it )
1988-02-16
Procedimento per la depurazione di reflui vegetali agricoli,in particolare acque di vegetazione
JPS51136573A
(en )
1976-11-26
Process for treatment of the waste solution having been subjected to tre atment of aluminium of aluminiumalloy with sulfuric acid or a mixed acid of sulfuric acid and other acids
JPS52138353A
(en )
1977-11-18
Process for treating raw service water
JPS5345049A
(en )
1978-04-22
Method of treating organic waste water
GB1457921A
(en )
1976-12-08
Method for processing sludge
JPS52104555A
(en )
1977-09-02
Treatment of waste water which contains water-soluble resin paints
JPS5762279A
(en )
1982-04-15
Purifying method of adenine