ZA76523B
(en )
1977-01-26
Method and apparatus for ammonia removal from wastewaters
JPS5232853A
(en )
1977-03-12
Method and device for removing slag from liquid
ZA773608B
(en )
1978-05-30
Process and apparatus for purifying waste waters
JPS5279571A
(en )
1977-07-04
Method of and apparatus for purifying polluted water
JPS5310555A
(en )
1978-01-31
Method and apparatus for filtering sludge and like
CA1026282A
(en )
1978-02-14
Method and apparatus for purifying and dispensing water
ZA786427B
(en )
1980-08-27
Process and apparatus for purifying liquids
GB1539565A
(en )
1979-01-31
Process for removing no2 from no2-containing waste gas
JPS5279574A
(en )
1977-07-04
Samll sewage purifying apparatus
GB1544321A
(en )
1979-04-19
Method and apparatus for removing scum or slag
IL52762A0
(en )
1977-10-31
Process and apparatus for purifying waste waters
IL50575A0
(en )
1976-11-30
Apparatus and method for desalinating water
JPS52139257A
(en )
1977-11-21
Method and apparatus for purifying waste water
MY8500803A
(en )
1985-12-31
Kprocess and apparatus for treating and purifying waste water
GB1537864A
(en )
1979-01-04
Method and apparatus for filtering slurries
JPS52138768A
(en )
1977-11-19
Method and system for removing contaminants from gas flow
JPS5383101A
(en )
1978-07-22
Device for removing gas from sludge
CS181496B1
(en )
1978-03-31
Method and device for purifying filters from carbonate incrustations
JPS5345499A
(en )
1978-04-24
Purifying method and apparatus for alkalline solution
JPS5335250A
(en )
1978-04-01
Sewage filtering and purifying apparatus
AU1371876A
(en )
1977-11-10
Filter for removing gas bubbles
CH608771A5
(en )
1979-01-31
Process and apparatus for water purification
JPS5259955A
(en )
1977-05-17
Waste water purifying method and its device
JPS5231978A
(en )
1977-03-10
Cleansing and purifying apparatus and method
JPS51113335A
(en )
1976-10-06
Method and device for preventing seawater from being polluted