Method of processing waste water using an absorbent and regenerating same
CA 1104065 A · Owner: Otto (Dr. C.) & Comp. Gesellschaft Mit Beschrankter Haftung · Inventors: Hahn, Ulrich; Stumpe, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The disclosure describes a method of processing waste water using an adsorbent which can be regenerated such as ac-, tivated carbon or aluminum oxide. For this purpose treated, waste water is conveyed through an adsorber filled with an adsorbent having a desired given nominal particle size in order to charge the adsorbent. The charged adsorbent is then moved from the adsorber and waste water is drained from the discharged absorber. The adsorbent is conveyed through a measuring device into a regenerating device such as a fluidized bed oven to be regenerated, after which the regenerated adsorbent is pumped into the absorber. Before the charged adsorbent enters the regenerating device the …
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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 June 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 1998.
- 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.