ES2013287B3
(es )
1990-05-01
Procedimiento para separar metales de aguas que los contienen.
DE3064616D1
(en )
1983-09-29
Process for purifying urea-containing waste water and process for preparing melamine
DE3260280D1
(en )
1984-08-02
Process for the preparation of isosorbid-5-nitrate
SU421626A1
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
1974-03-30
GB1420511A
(en )
1976-01-07
Process for the purification of cyclohexanone
KR880701277A
(ko )
1988-07-26
석탄의 광물질 제거
GB1456682A
(en )
1976-11-24
Phosphoric acid purification
JPS5651283A
(en )
1981-05-08
Removing method for phosphorus
ES437860A1
(es )
1977-01-01
Un procedimiento para la recuperacion de orto-fenilfenol.
SU118814A2
(ru )
1958-11-30
Способ регенерации щелочей из гидросиликатных соединений кальци
ES422256A1
(es )
1977-01-16
Procedimiento para eliminar acido borico de lactamas.
GB1313926A
(en )
1973-04-18
Preparation of potassium nitrate
SU471301A1
(ru )
1975-05-25
Способ очистки сол нокислых растворов сурьмы от мышь ка
JPS5738985A
(en )
1982-03-03
Treatment of waste containing fluorine and phosphoric acid
JPS57131202A
(en )
1982-08-14
Production of carrageenan
SU1579016A1
(ru )
1997-02-27
Способ получения борной кислоты
SU649656A1
(ru )
1979-02-28
Способ выделени перманганата кали из шлама
GB1494812A
(en )
1977-12-14
Wet-treatment of exhaust gases
JPS51136599A
(en )
1976-11-26
Method which separates and recovers aluminum h ydroxide and sodium hydroxide from the waste solution ofaluminum treat by alkali
JPS55152139A
(en )
1980-11-27
Method for removal of iron component from aqueous stock material solution in solvent extracting procedure
JPS5346496A
(en )
1978-04-26
Treating method for waste liquor discharged from wet process purification of phosphoric acid
CS237615B1
(en )
1985-09-17
Method of extractive organic phase regeneration containing dialkylphosphinic acid
JPS5224989A
(en )
1977-02-24
Electrodialysis process
JPS54112999A
(en )
1979-09-04
Purification of polyether
GB1137075A
(en )
1968-12-18
Process for removing titanium and vanadium from phosphoric acid