Hydrogasification of biomass to produce high yields of methane
CA 1300885 C · Owner: Scott, Donald S. · Inventors: Scott, Donald S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for hydrogasification of biomass to produce high yields of methane utilizes a reactor capable of carrying out rapid pyrolysis. Biomass particles, hydrogen, particles of a suitable catalyst that has both cracking and hydrogenation activity and, heat are introduced into said reactor. Pyrolysis is carried out in a hydrogen-rich atmosphere under the following conditions:, (a) a temperature ranging from 450°C to 600°C; (b) a pressure equal to or greater than one atmosphere;, (c) a gas residence time not exceeding two seconds;, (d) a biomass particle residence time at least as long as the gas residence time;, (e) a biomass particle size not exceeding 2 mm. The methane-rich product gas …
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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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.