Sugar – starch – and carbohydrates – Processes – Carbohydrate manufacture and refining
Patent
1978-05-15
1979-09-25
Marantz, Sidney
Sugar, starch, and carbohydrates
Processes
Carbohydrate manufacture and refining
C13K 1300, C13K 104
Patent
active
041689887
ABSTRACT:
Xylose is produced from residues of annuals by (a) extracting soluble and solubilizable undesired substances from the residues countercurrently with an aqueous acid solution, (b) pressing the extracted residues to remove as much as possible of the proportion of undesired substances, (c) moistening the pressed residues with an acid solution which contains xylose; (d) hydrolyzing the pentosans present in the residues by increasing the temperature of the acidified moistened residues, (e) terminating the hydrolysis by decreasing the temperature of the hydrolyzed residues, (f) extracting the pentoses from the hydrolyzed residues with water, (g) purifying and concentrating the xylose solution obtained, and, if desired, (h) winning xylose by crystallization.
REFERENCES:
patent: 2734836 (1956-02-01), Elian
patent: 2778751 (1957-01-01), Riehm
patent: 2900284 (1959-08-01), Oshima
patent: 3523911 (1970-08-01), Funk
patent: 3787241 (1974-01-01), Eickemeyer
patent: 3928121 (1975-12-01), Zepeda-Castillo
patent: 4023982 (1977-05-01), Knauth
patent: 4070232 (1978-01-01), Funk
Hofenk Gerrit
Riehm Theodor
Institut voor Bewaring en Verwerking van Landbouwprodukten
Marantz Sidney
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