HK38082A
(en )
1982-09-03
Method of treating waste water and sludge product thereof
JPS52112166A
(en )
1977-09-20
Spiral solidification method and system for clarifying waste water
JPS5549118A
(en )
1980-04-09
Method for separating solid matter* sludge and dissolved matter from waste water and its device
JPS52155857A
(en )
1977-12-24
Method and apparatus for purifying waste water
JPS5376553A
(en )
1978-07-07
Method of refining waste water
JPS5324677A
(en )
1978-03-07
System for separating waterrcontaining suspended matters*more particularly* waste water sludge
JPS52139257A
(en )
1977-11-21
Method and apparatus for purifying waste water
JPS5358155A
(en )
1978-05-25
Removing of cyanide from waste water
IL52972A0
(en )
1977-11-30
Process for the treatment of waste water and installation therefor
JPS52103839A
(en )
1977-08-31
Method of purifying waste water
CS194972B1
(en )
1979-12-31
Method for the separation of insoluble substances from waste water and sludge
JPS5415350A
(en )
1979-02-05
Method of and device for separating solid from liquid in sludge water
JPS52115473A
(en )
1977-09-28
Sludge collecting and discharge system for precipitation basins
JPS5347153A
(en )
1978-04-27
Separation of mud and sand from drain sludge
ZA771489B
(en )
1978-01-25
Process for the treatment of waste waters
JPS52115557A
(en )
1977-09-28
Method of purifying waste water
JPS52120553A
(en )
1977-10-11
Method of purifying waste water
JPS5337577A
(en )
1978-04-06
Method of biological removal of nitrogen from waste liquids
JPS52101871A
(en )
1977-08-26
Waste sludge incineration method
JPS5468047A
(en )
1979-05-31
Method of purifying sewage and sludge
JPS54164343A
(en )
1979-12-27
Method of disposing waste water sludge
JPS5316363A
(en )
1978-02-15
Method of solidificating sediment and sludge
CS189948B1
(en )
1979-05-31
Separation of insoluble substances from sludges and waste waters
JPS5363748A
(en )
1978-06-07
Method of and device for treating waste as muddy water or sludge or like
JPS52120276A
(en )
1977-10-08
Method of promoting sedimentation separation of waste liquids