GB2021549B
(en )
1982-09-29
Apparatus for the anaerobic purification of waste water
ZA734482B
(en )
1974-06-26
A method of biological purification of sewage and plant for carrying out of the method
CA1030673A
(en )
1978-05-02
Method and installation for the treatment of waste water to form useful water
AU6422480A
(en )
1981-05-14
Two-zone process for biological treatment of waste water
GB1551140A
(en )
1979-08-22
Process for supervising and controlling the biological activity of the microorganisms in a biological sewage treatment plant
GB2152509B
(en )
1986-05-21
Process for the production of l-lysine by fermentation and microorganisms for use therein
DE2861782D1
(en )
1982-06-24
Process and active packing material for the biological denitrification of waste water
HU175760B
(hu )
1980-10-28
Sposob produvki stochnykh vod i stancija na obrabotku stochnykh vod s aehrirovaniem
DE2860355D1
(en )
1981-03-12
Process for the biological purification of waste water
BE883862A
(fr )
1980-10-16
Procede et installation pour le traitement anaerobie d'eaux usees
JPS5317166A
(en )
1978-02-16
Process for producing fertilizers with sludges and raw nightsoil as material
ZA791550B
(en )
1980-07-30
Process for dewatering sewage sludges disinfected with lime
DE2962861D1
(en )
1982-07-08
Process for the biological treatment of waste water
CA990869A
(fr )
1976-06-08
Procede perfectionne pour l'epuration biologique des eaux residuaires
JPS5681182A
(en )
1981-07-02
Method of dehydrating sludge layer of tilling pond from industrial process
HU173935B
(hu )
1979-09-28
Sposob ochistki stochnykh vod fermentacionnykh zavodov, ispol'zujuhhikh v kachestve iskhodnogo materiala chjornuju patoku i/ili zavodov, obrabatyvajuhhikh sel'skokhozjajstvennoe syrjo s pomohhju gidroliza
GB1475263A
(en )
1977-06-01
Mucopolysaccharides and their production
GB2031293B
(en )
1982-11-03
Filter belt press for de-watering sludge and similar substances particularly for water purification plants
JPS5369127A
(en )
1978-06-20
Culture soil by utilizing soil provided from water purifying process as raw material
CA1024273A
(en )
1978-01-10
Process and installation for the purification of waste waters
EP0063744A3
(en )
1983-11-16
Process and apparatus for the series cultivation of microorganisms
CS190502B2
(en )
1979-05-31
Method for the biological purification of waste water and device for making the said method
CA882396A
(en )
1971-09-28
Process and plant for biological purification of waste water and sewage
DE3466523D1
(en )
1987-11-05
Process for the production of organic substances or hydrolysates from sewage sludges to obtain substrates for use in the bio industry
CS193987B1
(en )
1979-11-30
Process for the purification of waste water with simultaneous production of liquid and/or solid fuel