GB2021549B
(en )
1982-09-29
Apparatus for the anaerobic purification of waste water
ZA795778B
(en )
1981-05-27
Method for the treatment of hazardous waste
YU146079A
(en )
1982-08-31
Process for purifying waste water
GB2024794B
(en )
1982-08-18
Apparatus for activated sludge purification of waste water
DE2963282D1
(en )
1982-08-26
Apparatus for biological purification of waste water
JPS5667592A
(en )
1981-06-06
Method of disposing activated sludge of waste water
DE2860355D1
(en )
1981-03-12
Process for the biological purification of waste water
GB2033769B
(en )
1982-12-08
Method of purifying waste water
GB2013646B
(en )
1982-07-21
Process for the secondary treatment of waste water
DE3270483D1
(en )
1986-05-15
Process for the purification of organic solutions
JPS54113961A
(en )
1979-09-05
Facilities for disposing waste water by activated sludge method
DE2962861D1
(en )
1982-07-08
Process for the biological treatment of waste water
YU30480A
(en )
1983-01-21
Process for the chemical treatment of waste water containing organic matter
YU263579A
(en )
1982-08-31
Device for biological purification of waste water
YU213681A
(en )
1983-12-31
Process for the purification of waste water
AU4106878A
(en )
1980-05-01
Process for the oxidative purification of waste water
YU246078A
(en )
1982-06-30
Process for the biological purification of waste water
CS194591B1
(en )
1979-12-31
Process for the purification of waste water contaminated with metal hydroxides and organic compounds
JPS5396261A
(en )
1978-08-23
Method of treating highly organic waste water
JPS5486951A
(en )
1979-07-10
Method of treating organic waste water
GB2018736B
(en )
1982-07-21
Installation for the treatment of waste water by the activated sludge process
JPS54112556A
(en )
1979-09-03
Disposal method of organic waste water
JPS54164343A
(en )
1979-12-27
Method of disposing waste water sludge
JPS5430662A
(en )
1979-03-07
Method of treating waste water containing organic materials
JPS5353159A
(en )
1978-05-15
Treating of organic waste water