D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 3/04 (2006.01) D21C 3/22 (2006.01) D21C 3/24 (2006.01) D21C 3/26 (2006.01) D21C 9/02 (2006.01)
Patent
CA 2630985
A reaction vessel including: a material input receiving cellulosic material and a material discharge for the cellulosic material, wherein the cellulosic material flows through the reaction vessel from the material input to the material discharge; a hydrolysate and liquid extraction screen; a hydrolysis zone between the material input and the hydrolysate and liquid extraction screen; a wash zone between the hydrolysate and liquid extraction screen and a wash liquid extraction screen; a wash liquid inlet port for introducing a wash liquid into the wash zone, wherein at least a portion of the wash liquid entering the wash liquid inlet port flows through the wash zone and is extracted by the hydrolysate and liquid extraction screen; a cooking zone between the wash zone and the material discharge and a cooking liquor extraction screen at or below the cooking zone and above the material discharge.
Cann William J.
Kirov Ventzislav
Shin Namhee
Stromberg Bertil
Andritz Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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