ZA896078B
(en )
1991-04-24
Process for purifying crude glycerol
DE3273737D1
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1986-11-20
Filters for purification of gases
EP0419346A3
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1991-06-19
Filter for purification of platelets
AU2269788A
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1989-03-09
Process for purifying and regenerating used oils
EP0278694A3
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1989-10-18
Method for removing basic nitrogen compounds from extracted oils by use of acidic polar adsorbents and the regeneration of said adsorbents
YU65988A
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1989-08-31
Process for regenerating galium by use of helatic pitch
DE3370591D1
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1987-05-07
Method of filtration using semifluidized beds
IL87157A0
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1988-12-30
Filter for liquid purification
GB2137897B
(en )
1986-04-09
Filter for purifying gases
GB8810535D0
(en )
1988-06-08
Process for purification of gases
IL86020A
(en )
1992-09-06
Process for purification of dialkyl tetrabromophthalates
PL266435A1
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1989-01-05
Method of purifying crude acetone for regeneration of sorptive filter bed
ZA887833B
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1989-09-27
Process for purification of soluble t4
CS222335B1
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1983-06-24
Method of catalyst reactivation or regeneration
JPS57136455A
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1982-08-23
Activated carbon for purifying blood
PL263998A1
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1988-09-01
The method of sand filter bed regeneration
CS674687A1
(en )
1989-02-10
Column for regeneration of adsorbent
EP0285372A3
(en )
1990-04-25
Method for purifying macrocyclic ketones
DE3372715D1
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1987-09-03
Solvent addition to deep bed filter
SU1151268A1
(en )
1985-04-23
Apparatus for regeneration of filter assembly
BG50188A1
(en )
1992-06-15
Filter for purification of oils
PL271419A1
(en )
1989-10-02
Filter body for purification of kerozene
AR242518A1
(en )
1993-04-30
Method for reactivation of zeolite dewaxing catalysts
PL264684A1
(en )
1988-10-27
Method for catalyst regeneration
JPS56148356A
(en )
1981-11-17
Activated carbon for purifying blood