YU83184A
(en )
1987-06-30
Waste water treatment with multi stage, especially two stage process using activated sludge
AU619742B2
(en )
1992-02-06
Waste water treating process
EG18766A
(en )
1994-10-30
Sewage treatment plant.
AU7156481A
(en )
1981-10-26
Wastewater treatment process
AU587060B2
(en )
1989-08-03
A process and an apparatus for the preparation of a disinfectant for water, such as drinking or swimming water
AU8112387A
(en )
1988-06-02
Process for wastewater treatment
EP0377832A3
(en )
1990-09-05
Process for the treatment of biomasses, e.g. sewage sludge, manure, etc.
EP0272332A4
(en )
1988-07-14
Process for producing chlorine.
DE3469887D1
(en )
1988-04-21
Process for waste water purification
EP0182380A3
(en )
1987-10-21
Process and apparatus for the biological treatment of water, especially for the denitrification of drinking water
AR243482A1
(en )
1993-08-31
Process for the treatment of liquids such as water, especially swimming pool water, and device and installation for carrying it out
EP0266425A4
(en )
1988-09-28
Aeration type water treatment plant.
HU893401D0
(en )
1990-12-28
Process for water softening and electrolyzer for executing the process
RO100158A2
(en )
1991-10-25
Sugar fabrication residual water treatment method
GB9001994D0
(en )
1990-03-28
Sewage treatment process
NO881414D0
(en )
1988-03-29
PROCEDURE FOR WASTE TREATMENT AND OTHER PURE WATER.
NO905208D0
(en )
1990-11-30
PROCEDURE FOR WATER TREATMENT AT THE SAME TIME OF FLOCULATION AND ADSORPTION WITH A PARTIAL HYDROPHOSET POLYELECTROLYLTY.
AU7245387A
(en )
1987-11-05
Water treatment apparatus
EP0183678A3
(en )
1989-01-18
Process for the final treatment of molasses or vinasses, and apparatus for carrying out this process
AU4895785A
(en )
1986-05-08
Wastewater treatment process
GR870485B
(en )
1987-04-30
Process for sewage and sludge treatment
IT1190283B
(en )
1988-02-16
Purificn. of vegetable agricultural effluents
PL244133A2
(en )
1984-08-13
Method of biological treatment of sewage,sludges etc.
HU903097D0
(en )
1990-09-28
Method and equipment for the flotating treatment of liquids, especially water, sewage etc.
AU8892182A
(en )
1984-04-05
Sludge treatment or dewatering process