TW342344B
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1998-10-11
Process and plant for extraction or recovery of acids from solutions of these acids
DE3772307D1
(de )
1991-09-26
Verfahren zur reinigung von propandiol-1,3.
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
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2005-07-29
Process for the purification of an alkanolamine
RO101500A2
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1991-12-09
Procedeu de obtinere a coagulantilor pentru purificarea apelor
DE3374695D1
(en )
1988-01-07
L-2-hydroxy-4-methylpentanoic acid dehydrogenase, process for its production and its use
EP0346467A4
(en )
1990-11-28
Process for purifying hyaluronic acid
FR2342251A1
(fr )
1977-09-23
Traitement de liquides avec separation de gaz
IE34300L
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1970-12-16
Purification of sulphuric acid
JPS5239960A
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1977-03-28
Method for treating stency sewage
JPS5212761A
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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.
JPS5562054A
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1980-05-10
Purification of aqueous acrylamide
JPS5390650A
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1978-08-09
Waste water treatment
MX9701265A
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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.
JPS5594680A
(en )
1980-07-18
Method of regenerating agent for treating waste water containing borofluoride
IT1190283B
(it )
1988-02-16
Procedimento per la depurazione di reflui vegetali agricoli,in particolare acque di vegetazione
JPS52138353A
(en )
1977-11-18
Process for treating raw service water
JPS5345049A
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1978-04-22
Method of treating organic waste water
GB1457921A
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1976-12-08
Method for processing sludge