DE3570046D1
(en )
1989-06-15
Process and biological contact gas scrubber for waste gas purification
DE3568232D1
(en )
1989-03-16
Process for recovering plutonium contained in solid waste
HUT43879A
(en )
1987-12-28
Improved method for multi-stage recovering coal layer
GB2154468B
(en )
1988-01-06
Method for treating waste gas to separate and recover gypsum and dust therein
ZA864846B
(en )
1987-03-25
Method for recovery of cyanide from waste streams
IL75450A
(en )
1988-05-31
Method for removal of organometallics from waste water
DE3460983D1
(en )
1986-11-20
Method for the separate recovery of metals from waste in particular chemical waste
PL256331A2
(en )
1986-11-04
Method of recovering carbonaceous substance from waste slime produced in coal cleaning plants
GB2171336B
(en )
1988-05-11
Method for recovering fine granulated coal by flotation
DE3570453D1
(en )
1989-06-29
Process for the gasification of coal and slams
PL262403A1
(en )
1987-10-05
Method of intensifying dry separation or classification processes in particular for hard coal
SU1175561A1
(en )
1985-08-30
Method of flotation of coal slime
PL242314A1
(en )
1984-12-03
Method of recovering coal from post-flotation wastes
PL264497A1
(en )
1987-09-21
Method of extracting finely grained fractions from circulating water in a coal cleaning plant
PL250658A1
(en )
1986-06-03
Method of obtaining extracted organic substances from coal
DE3660760D1
(en )
1988-10-27
Process for the precipitation of dissolved sulfides from waste water containing sulfides
PL262809A1
(en )
1987-07-13
Method of cleaning finely grained hard coal
BG43766A1
(en )
1988-08-15
Method for biological cleaning of waste waters
PL250398A1
(en )
1986-05-20
Method of removing coal tar deposits
CS518988A1
(en )
1990-08-14
Method of coking waste waters biological ammonia removal
PL266749A1
(en )
1989-04-17
Method of scrubbing waste gases from lime-klins
PL255062A1
(en )
1987-06-29
Method of dressing waste stone from coal deposit to increase concentration of loamy compounds therein
SU1192312A1
(en )
1995-05-20
Method of extracting 1-cyan-2-iminocyclopentane from waste of adipodynitrile production
PL250089A1
(en )
1986-04-22
Floating apparatus for collecting waste waters
ZA843325B
(en )
1985-12-24
Process for removing sulfur and ash from coal