D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 7/10 (2006.01) D21C 1/02 (2006.01) D21C 3/22 (2006.01) D21C 11/00 (2006.01)
Patent
CA 2289325
Useable steam, e.g. substantially clean useable steam, is produced from a chemical cellulose pulping system hot spent treatment liquor (e.g. black liquor) with optimum energy efficiency by passing the spent liquor to a reboiler, and then pressurizing (e.g. with an eductor, fan, or compressor) the clean steam discharged from the reboiler. The clean steam can be used to steam incoming chips (e.g. in a chip bin) without significantly increasing the TRS load on the pulp mill NCG system.
Chasse R. Fred
Ryham Rolf C.
Stromberg C. Bertil
Sun Yu Ella
Ahlstrom Machinery Inc.
Andritz Inc.
Bereskin & Parr
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