Textiles: fiber preparation
Patent
1976-04-22
1979-02-06
Jones, Raymond N.
Textiles: fiber preparation
195 63, 195 68, 195DIG11, 195115, C12D 1302
Patent
active
041382900
ABSTRACT:
Expanded bed isomerization of glucose syrup to a glucose-fructose mixture having a fructose proportion exceeding about 40% of the glucose-fructose content by passing 30-55% w/w of glucose syrup through a cell-mass glucose isomerase preparation in the form of a bed of uniform particles of controlled size in the range of 150-2000 micrometers at a superficial syrup velocity of 0.5-15 meters an hour. Velocity and particle size are inversely related to create bed expansion within the range of 5-100%.
Bed life may be extended by substituting fresh catalyst for inactivated catalyst.
The isomerase should have an activity exceeding about 100 IGIC u/gm.
The isomerase should be weighted by incorporation therein of finely divided alumina particles.
REFERENCES:
patent: 3821086 (1974-06-01), Lee et al.
patent: 3928143 (1975-12-01), Coughlin
patent: 3960663 (1976-06-01), Tamura et al.
patent: 3980521 (1976-09-01), Amotz et al.
Emery et al., "Some Applications of Solid-Phase Enzymes in Biological Engineering", Birmingham Univ. Chem. Engineer, vol. 22, No. 2, (Summer 1971), pp. 37-41.
Barker et al., "Enzyme Reactors for Industry", Process Biochemistry, vol. 6, No. 10 (Oct. 1971), pp. 11-13.
Carasik William
McMullen William H.
Jones Raymond N.
Novo Laboratories, Incorporated
Wiseman Thomas G.
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