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
DE3772307D1
(de )
1991-09-26
Verfahren zur reinigung von propandiol-1,3.
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
PH23281A
(en )
1989-06-23
A process for the manufacture of algenates (polyuronides) with altered physical properties
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
EP0223263A3
(en )
1987-08-19
A process for purifying uridine diphosphate-n-acetylgalactosamine
RO101500A2
(ro )
1991-12-09
Procedeu de obtinere a coagulantilor pentru purificarea apelor
EP0346467A4
(en )
1990-11-28
Process for purifying hyaluronic acid
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.
IE34300B1
(en )
1975-04-02
Purification of sulphuric acid
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
DE69622193D1
(de )
2002-08-08
Verfahren zur winnung von ampicillin
JPS5562054A
(en )
1980-05-10
Purification of aqueous acrylamide
JPS5428449A
(en )
1979-03-03
Method of removing ammoniacal nitrogen of digested, separated liquid of raw sewage
JPS52105573A
(en )
1977-09-05
Treatment of acid washing waste liquid
JPS5390650A
(en )
1978-08-09
Waste water treatment
JPS5594680A
(en )
1980-07-18
Method of regenerating agent for treating waste water containing borofluoride
WO1996008445A3
(en )
1996-07-11
Process for treating an aqueous KF waste stream and for converting KF into HF and KOH
JPS5390233A
(en )
1978-08-08
Purification of terephthalic acid
IT1190283B
(it )
1988-02-16
Procedimento per la depurazione di reflui vegetali agricoli,in particolare acque di vegetazione