ES2013287B3
(es )
1990-05-01
Procedimiento para separar metales de aguas que los contienen.
RO88188B
(ro )
1985-12-31
Procedeu pentru recuperarea rodiului si a fosfinei din solutii de catalizator uzat
EG14770A
(en )
1984-09-30
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
(cs )
1974-03-30
KR880701277A
(ko )
1988-07-26
석탄의 광물질 제거
GB1456682A
(en )
1976-11-24
Phosphoric acid purification
ES437860A1
(es )
1977-01-01
Un procedimiento para la recuperacion de orto-fenilfenol.
GB1529127A
(en )
1978-10-18
Method of removing scale deposited from a raffinate formed during purification of phosphoric acid
SU118814A2
(ru )
1958-11-30
Способ регенерации щелочей из гидросиликатных соединений кальци
ES422256A1
(es )
1977-01-16
Procedimiento para eliminar acido borico de lactamas.
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
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
GB822886A
(en )
1959-11-04
Process for producing aqueous trimethylolphenol solutions
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
JPS5380397A
(en )
1978-07-15
Praparation of pulverized silicic acid