AR242940A1
(en )
1993-06-30
Method of treating wastewater sludge
AU1233588A
(en )
1988-09-01
Method for treating wastewater sludge
JPS6470181A
(en )
1989-03-15
Method for combustion of water-soluble drainage sludge
IL75450A0
(en )
1985-10-31
Method for removal of organo-metallics from wastewater
CS708489A2
(en )
1990-10-12
Method of waste waters treatment
GB9019606D0
(en )
1990-10-24
Removal of edta from effluents
CS427587A1
(en )
1990-07-12
Method of phosphorus removal from high-concentrated waste waters
JPS6458394A
(en )
1989-03-06
Method for removing phosphate from water
AU1541288A
(en )
1988-11-02
Apparatus for draining of sludge
CS828987A1
(en )
1989-05-12
Method of tensides removal from waste waters
GB2201669B
(en )
1991-03-13
Method for biological purification of sewage from diethanolamine
CS651588A1
(en )
1989-11-14
Method of cyanides removal from waste waters
PL273343A1
(en )
1990-01-08
Method for obtaining phosphorus from phosphorus water sludge
CS556987A2
(en )
1990-06-13
Method of n-paraffine removal
PL267710A1
(en )
1989-04-17
Method of cooling cokery waste waters
CS828087A1
(en )
1989-09-12
Method of waste waters purification or preliminary purification
EP0292131A3
(en )
1989-02-08
Prevention of sludge formation
CS518988A1
(en )
1990-08-14
Method of coking waste waters biological ammonia removal
YU45046B
(en )
1991-06-30
Process for removing phenole from waste waters
CS361488A1
(en )
1989-09-12
Method of waste waters purification
BG43766A1
(en )
1988-08-15
Method for biological cleaning of waste waters
CS150590A2
(en )
1991-10-15
Method of tensides removal from waste waters
CS557887A1
(en )
1988-09-16
Process for the purification of waste waters containing anionactive tenzides
YU178387A
(en )
1989-12-31
Process for purifying waste waters of pig farms
PL268445A1
(en )
1989-05-02
Method of manufacture of a specific for sewage purification