Fluidized bed process and apparatus
CA 1331894 C · Owner: Veolia Water Solutions & Technologies Support · Inventors: Lourens, Pieter Adriaan; Zoetemeyer, Robert Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Improved fluidized-bed process and apparatus. The present invention relates to a process for the anaerobic purification of waste water which comprises a fiuidized-bed process in which granular sludge is applied. Moreover apparatus is disclosed for the purification of waste water using a fluidized-bed reactor wherein a liquid introduction device is present which is formed by one or more separate inlet pipes the pipes, delivering the liquid near the bottom of the reactor with an outlet velocity of 0.5-4 m/s, preferably 1-2 m/s.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 6, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 6, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.