Concentrated sulfuric acid process for converting lignocellulosi

Details Concentrated sulfuric acid process for converting lignocellulosi Concentrated sulfuric acid process for converting lignocellulosi

1988-10-12

1993-02-23

Myers, Helane

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 1, 530500, C13K 102

Patent

active

051886731

ABSTRACT:
A single step method of converting lignocellulosic materials to sugars including combining and mixing a low solids content lignocellulosic material with concentrated sulfuric acid, allowing the reaction to proceed and then separating the sulfuric acid and sugar solution from the reaction product. A modified single step method includes dilution of the reaction product with water, followed by continued reaction and subsequent separation of the sulfuric acid and sugar solution.

REFERENCES:
patent: 970029 (1910-09-01), Ekstrom
patent: 1964646 (1934-06-01), Oxley et al.
patent: 2450586 (1948-10-01), Dunning et al.
patent: 4025356 (1977-05-01), Nyman et al.

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