JPS52105575A
(en )
1977-09-05
Aerobic biological purification and the apparatus for waste water containing organic pollutants
GB2032904B
(en )
1982-10-13
Activated sludge sewage treatment process
GB2037268B
(en )
1982-11-10
Process for dewatering and sterilising sewage sludge
EG14934A
(en )
1985-06-30
Method and apparatus for aerating waste water or sludges thereof
GB2021549B
(en )
1982-09-29
Apparatus for the anaerobic purification of waste water
GB2087054B
(en )
1984-03-21
Method and apparatus for incinerating sewage sludge
JPS5575989A
(en )
1980-06-07
Sewerage sludge composting apparatus
ZA773608B
(en )
1978-05-30
Process and apparatus for purifying waste waters
GB2059936B
(en )
1983-03-30
Activated sludge sewage disposal apparatus
JPS5347159A
(en )
1978-04-27
Apparatus for purifying waste water mechanically and biologically
GB2049461B
(en )
1983-03-30
Sedimentation device and method for purifying waste water
YU40044B
(en )
1985-06-30
Multistage filtratin device for the utilization of wastes and purification of waste water
MY8500803A
(en )
1985-12-31
Kprocess and apparatus for treating and purifying waste water
GB2034683B
(en )
1982-12-01
Apparatus for the biological treatment of waste waters
JPS5317172A
(en )
1978-02-16
Process for stacking and purifying wastes or waste sludge mixture
IL52762A0
(en )
1977-10-31
Process and apparatus for purifying waste waters
IL55410A0
(en )
1978-10-31
Process and equipment for the utilization of sewage sludges
JPS5362361A
(en )
1978-06-03
Method of and device for purifying waste water biologically
MW2180A1
(en )
1981-04-08
Apparatus for the conversion of pollutants contained in effluents and effluent sludges
JPS54149256A
(en )
1979-11-22
Dehydrating solidifying agent of sewage sludge and dehydrating solidifying method
JPS54110655A
(en )
1979-08-30
Denitrification device of waste water
ZA868224B
(en )
1987-06-24
An apparatus for the anaerobic treatment of waste water
JPS54142862A
(en )
1979-11-07
Activated sludge purifying method that combine sludge reeaeration method on surface of water and its device
GB2028790B
(en )
1982-11-03
Activated sludge sewage treatment apparatus
JPS5468047A
(en )
1979-05-31
Method of purifying sewage and sludge