AT337623B
(en )
1977-07-11
METHOD OF DRAINING SLUDGE AND DEVICE FOR CARRYING OUT THE METHOD
CH534111A
(en )
1973-02-28
Process for the removal of impurities from wastewater and for their degradation, and apparatus for carrying out the process
AT309468B
(en )
1973-08-27
Process for cleaning permeable filters and apparatus for carrying out the process
CH469225A
(en )
1969-02-28
Process for the incineration of organic sewage sludge and device for carrying out the process
AT346252B
(en )
1978-11-10
PROCESS FOR DESALINATING WATER AND DEVICE FOR CARRYING OUT THE PROCESS
CH450307A
(en )
1968-01-15
Method and device for the biological purification of waste water in an aeration basin
CH527130A
(en )
1972-08-31
Method and device for treating waste water
CH521929A
(en )
1972-04-30
Method for dewatering sludge and filter press for carrying out the method
CH508558A
(en )
1971-06-15
Process for removing dissolved phosphates from waste water and means for carrying out the process
CH459106A
(en )
1968-07-15
Process for waste processing and apparatus for carrying out the process
AT297621B
(en )
1972-04-10
Process for biological wastewater treatment and installation for carrying out the process
CH464813A
(en )
1968-10-31
Process for treating sewage sludge and apparatus for carrying out the process
AT277134B
(en )
1969-12-10
Process for removing moisture and device for carrying out the process
AT308012B
(en )
1973-06-25
Process and device for wastewater treatment
CH421825A
(en )
1966-09-30
Process for clearing out vertical centrifuges and apparatus for carrying out the process
AT305914B
(en )
1973-03-26
Process and device for the purification of waste water
AT310101B
(en )
1973-09-25
Method and device for cleaning waste water, liquid waste and the like.
CH548785A
(en )
1974-05-15
PROCESS FOR EVAPORATING LIQUIDS AND DEVICE FOR CARRYING OUT THE PROCESS.
AT306656B
(en )
1973-04-25
Method and device for the treatment of waste water
CH439140A
(en )
1967-06-30
Method and device for the biological purification of waste water
CH527699A
(en )
1972-09-15
Printing process and device for performing the printing process
AT315758B
(en )
1974-06-10
Process for wastewater treatment with phosphorus removal and plant for carrying out the process
CH451422A
(en )
1968-05-15
Method for processing glass and device for carrying out the method
AT334298B
(en )
1976-01-10
PROCESS FOR TREATING HIGH SALINE INDUSTRIAL WASTEWATER AND DEVICE FOR CARRYING OUT THE PROCESS
AT310688B
(en )
1973-10-10
Process and device for the purification of waste water using the activated sludge process