Integrated kraft pulp mill and thermochemical conversion system
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United States of America Patent
Stats
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Dec 5, 2023
Grant Date -
Dec 15, 2022
app pub date -
Mar 31, 2022
filing date -
Oct 15, 2014
priority date (Note) -
In Force
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Abstract
This disclosure pertains to the use of black liquors from kraft pulp mills as a source of catalysts for the thermochemical conversion of organic matter feedstocks to bio oils. More particularly, some embodiments pertain to integrated kraft pulp mill and thermochemical conversion systems, which include: a Kraft pulp mill comprising a digester for digesting a lignocellulosic material with white liquor to produce pulp and black liquors; a thermochemical conversion subsystem comprising: at least one mixing tank for combining pulping liquors received from the pulp mill with an organic matter feedstock and water to produce a reaction mixture; a reactor vessel for treating the reaction mixture received from the mixing tank at a reaction temperature and pressure suitable for conversion of all or a portion of the organic matter in the reaction mixture into a product mixture comprising a bioproduct and an aqueous stream containing both organic and inorganic compounds; and a depressurizer for depressurizing product mixture received from the reactor vessel; and one or more conveyors for conveying the pulping liquors from the pulp mill to the mixing tank.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CANFOR PULP LTD | BURNABY |
International Classification(s)

- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Humphreys, Leonard James | Roseville Chase, AU | 20 | 56 |
Pudlas, Martin William | Prince George, CA | 4 | 10 |
Rowlands, William Neil | Alexandria, AU | 8 | 24 |
Spankie, James Allan | Prince George, CA | 3 | 9 |
Thew, Robert William Clayton | Prince George, CA | 3 | 9 |
Uloth, Victor Charles | Prince George, CA | 5 | 9 |
Watson, Paul Andrew | Cook Beach, NZ | 4 | 9 |
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