GB2306466B
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1999-07-07
Improvements in the treatment of sewage and waste water
EP0950025A4
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2000-05-17
Water treatment and purification
AU3051197A
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1998-11-27
Apparatus for electrochemical treatment of water and/or water solutions
HUP0000959A3
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2001-07-30
Treatment of water and apparatus for desalinating
HUP9903837A3
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2001-05-28
Sulphur reducing bacterium and its use in biological desulphurisation processes
EP1067214A4
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2003-07-16
Chemical for water treatment and method of water treatment
AU2002212451A1
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2002-05-15
Treatment of waste water and apparatus therefor
GB9912159D0
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1999-07-28
Improvements in and relating to the treatment of water
HU9701599D0
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1997-11-28
Mixing and aeration unit, especially for treatment of waste-water
AP9901683A0
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1999-12-31
Treatment of water
PL332603A1
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1999-09-27
Application of 1-hydroxy-2-pyridinones in treating seborrhoic dermatitis
GB2398777B
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2005-07-06
Improvements in or relating to water and wastewater treatment
GB9805714D0
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1998-05-13
Liquid effluent treatment process and plant
PL325346A1
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1999-09-13
Application of oxygen o in water conditioning and sewage treatment processes
PL332176A1
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1999-09-27
Method and system improving oxygen introduction in aerobiological sewage and water treatment processes
HUP0104809A3
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2004-04-28
Utilization of oil-in-water emulsions in aerobic biological sewage treatment plants
GB9626634D0
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1997-02-12
Wastewater treatment plant and method of use therein
GB9814591D0
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1998-09-02
Process for sewage and wastewater treatment
GB2315264B
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1999-07-07
Improvements in treatment of sewage and waste water
PL332918A1
(en )
2000-11-06
Porous material for use in sewage and water treatment processes
LT98032A
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1998-09-25
Device for treatment and conditioning of water
PL326401A1
(en )
1999-11-22
Method of sewage treatment and sewage treatment plant
GB2274281B
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1996-03-06
Treatment of water,sewage and like waste liquids
PL326565A1
(en )
1999-12-06
Mechanical and biological sewage treatment tank
LT98041A
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1998-10-26
Process and device for anaerobic treatment of waste water