DE3766831D1
(en )
1991-01-31
METHOD FOR DRAINING WASTEWATER SLUDGE AND SYSTEM FOR IMPLEMENTING THE METHOD.
DE58905358D1
(en )
1993-09-30
Process and device for drying sewage sludge.
DE69019690D1
(en )
1995-06-29
Process for filtering and purifying water.
DE69023093D1
(en )
1995-11-23
Water purification process.
DE69005726D1
(en )
1994-02-17
Process for treating boiler feed water.
DE3863254D1
(en )
1991-07-18
PLANT FOR AEROBIC BIOLOGICAL PURIFICATION OF POLLUTANT-BASED WATER.
DE3766451D1
(en )
1991-01-10
METHOD FOR REPLACING PRE-YARN SPOOLS AND DEVICE FOR CARRYING OUT THE METHOD.
DE69019643D1
(en )
1995-06-29
Process and system for the disposal of aqueous sewage sludge.
AT376957B
(en )
1985-01-25
METHOD FOR SEPARATING WATER AND OIL IN OIL SLUDGE TREATMENT AND DEVICE FOR CARRYING OUT THE METHOD
DE68914645D1
(en )
1994-05-19
METHOD FOR THE MICROBIOLOGICAL PURIFICATION OF WATER.
DE69214795D1
(en )
1996-11-28
Process and plant for the treatment of organic sludge, especially sewage sludge
CH550744A
(en )
1974-06-28
PROCEDURE FOR PURIFYING WASTE WATER AND TREATING SLUDGE AND PLANT FOR CARRYING OUT THE PROCESS.
DE69221740D1
(en )
1997-09-25
Process for drying perforated bricks and device for carrying out the process.
AT321835B
(en )
1975-04-25
Process for the biological purification of waste water and plant for carrying out the process
DE59309823D1
(en )
1999-11-11
Process and plant for deoxidizing water
AT388368B
(en )
1989-06-12
DEVICE FOR TREATING WASTEWATER
ATE59151T1
(en )
1991-01-15
PROCESS FOR DEWATERING SEWAGE SLUDGE AND PLANT FOR CARRYING OUT THE PROCESS.
DE59204984D1
(en )
1996-02-22
Activated sludge process for the purification of waste water
AT365772B
(en )
1982-02-10
METHOD FOR PRODUCING CEMENT AND SYSTEM FOR CARRYING OUT THE METHOD
DE69004480D1
(en )
1993-12-16
Process for the construction of tubular rafters and device for carrying out the process.
DE69101392D1
(en )
1994-04-21
Sludge dewatering plant.
AT370128B
(en )
1983-03-10
METHOD FOR OBTAINING CELLULASE AND PLANT FOR CARRYING OUT THE METHOD
DE59803826D1
(en )
2002-05-23
Process and plant for treating water
DE3675905D1
(en )
1991-01-10
METHOD FOR THE BIOLOGICAL DENITRIFICATION OF WATER AND DEVICE FOR CARRYING OUT THIS METHOD.
ATA155884A
(en )
1987-05-15
WASTE WATER TREATMENT PLANT