JPS5335263A
(en )
1978-04-01
Purifying method of waste water by two stage activated sludge
IT1097152B
(en )
1985-08-26
PROCESS FOR THE RECOVERY OF OLEFINIC NITRILS
DK359182A
(en )
1983-02-12
METHOD OF PRODUCING D-Lactic Acid
BR7908473A
(en )
1980-08-26
ACID GAS PURIFICATION PROCESS
IT7924316A0
(en )
1979-07-12
PROCESS FOR PURIFICATION OF URSODEOXYCHOLIC ACID THROUGH NEW DERIVATIVES.
IT1122111B
(en )
1986-04-23
PROCEDURE FOR THE PURIFICATION OF RAW RESORCINA
PL206630A1
(en )
1979-03-12
METHOD OF RECOVERING CHROMIC ACID FROM GALVANIZER SEWAGE PURIFIED BY IONITE METHOD
IT7851918A0
(en )
1978-11-15
PROCEDURE FOR THE PURIFICATION OF P-TOLYLIC ACID RECOVERED FROM THE OXIDATION OF P-XYLOL
IT1070026B
(en )
1985-03-25
PROCESS FOR THE ELIMINATION OF MERCURY FROM WASTE WATER
IT1031430B
(en )
1979-04-30
METHOD FOR THE PURIFICATION OF WASTEWATER CONTAINING ORGANIC COMPOUNDS OF ANIONIC CHARACTER
SU564260A1
(en )
1977-07-05
Method for purifying waste sulphuric acid of organic impurities
JPS54134097A
(en )
1979-10-18
Method of recovering silicic acid from waste water
JPS53130299A
(en )
1978-11-14
Method of recovering valued phosphate from waste acid solution
BE871394A
(en )
1979-04-19
PROCESS FOR PURIFICATION OF CUPRIFIC MATTES
JPS52106801A
(en )
1977-09-07
Purification method of organic acid or their derivatives
JPS5499079A
(en )
1979-08-04
Method of recovering waste acid by using organic solvent
JPS53135946A
(en )
1978-11-28
Process for condensing recovery of acetic acid
CS178698B1
(en )
1977-10-31
Method for purification of crude 3,6-endomethylen-delta4-tetrahydrophtalic acid
PL199067A1
(en )
1978-04-24
METHOD OF RECOVERING CHROME COMPOUNDS FROM WASTE POST BLOT
PL207647A1
(en )
1979-09-10
METHOD OF PURIFICATION OF STREPTOCINASE
PL204225A1
(en )
1979-09-10
METHOD OF RECOVERING VANADIUM FROM SOLUTIONS
PL204224A1
(en )
1979-09-10
METHOD OF RECOVERING VANADIUM FROM SOLUTIONS
JPS5490868A
(en )
1979-07-18
Method of purifying organic acid containing waste water
JPS52131517A
(en )
1977-11-04
Process for purification of acetic acid
IT7924315A0
(en )
1979-07-12
CHENODESOXICOLIC. ACID PURIFICATION METHOD