JPS5491957A
(en )
1979-07-20
Method of deodorizing sludge
GB2006741B
(en )
1982-03-24
Waste water process
ZA786645B
(en )
1979-10-31
Device for complete desalination of water
GB2001617B
(en )
1982-01-20
Apparatus for increasing the ph of waste water
JPS5447357A
(en )
1979-04-13
Waste water disposal method
ZA782536B
(en )
1979-06-27
A method for the purification of waste water and an installation for performing the method
HU178995B
(en )
1982-07-28
Process and equipment for the combined utilization of waste and the purification of sewages
GB2011975B
(en )
1982-09-15
Sewage disposal apparatus
JPS53140872A
(en )
1978-12-08
Method of utilizing waste water
JPS5456243A
(en )
1979-05-07
Method of disposing waste water
JPS53107151A
(en )
1978-09-18
Method of dephosphorizing waste water
BG25280A2
(en )
1978-09-15
An equipment for biochemical purifuing of waste water
JPS5451250A
(en )
1979-04-21
Waste water disposal method
JPS53144150A
(en )
1978-12-15
Method of purifying waste water
JPS53126759A
(en )
1978-11-06
Method of drawing sludge
JPS5493853A
(en )
1979-07-25
Method of continuously purifying waste water
JPS53103697A
(en )
1978-09-09
Method of projecting water
JPS5456245A
(en )
1979-05-07
Method of disposing waste water
JPS53128109A
(en )
1978-11-08
Method of disposing of sludge
JPS5454446A
(en )
1979-04-28
Waste water disposal method
JPS53130808A
(en )
1978-11-15
Equipment for disposing of sludge under water
DE2860387D1
(en )
1981-03-19
Process for nitrification of waste water
JPS5434566A
(en )
1979-03-14
Method of incinerating waste liquid
CS190062B1
(en )
1979-05-31
Device for oxydation of waste water
JPS544443A
(en )
1979-01-13
Method of disposing of sludge