Sugar – starch – and carbohydrates – Processes – Carbohydrate manufacture and refining
Patent
1997-08-11
1999-02-09
Brunsman, David
Sugar, starch, and carbohydrates
Processes
Carbohydrate manufacture and refining
127 53, 127 55, 127 56, C13D 316, C13F 104, C13F 106
Patent
active
058688510
ABSTRACT:
A process to produce solid glucose from a hydrolyzate consisting of a mixture of glucose, water, and an acid used in the hydrolysis of a biomass material is covered herein. In the process, the hydrolyzate is concentrated, as required, to form two phases: a solid glucose phase and an acidic liquid phase. The phases are formed in a vessel where they are separated for recovery of the acidic liquid phase. The solid glucose phase, containing residual acidic liquid phase, is then extracted to remove most of the residual acid to produce solid glucose mostly free of acid. The recovered acid may then be recycled. The solid glucose may be further processed including purification and also drying.
REFERENCES:
patent: 5538637 (1996-07-01), Hester et al.
patent: 5580389 (1996-12-01), Farone et al.
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