Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1980-11-03
1981-11-10
Prescott, Arthur C.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204301, 127 42, 127 463, B01D 1302
Patent
active
042996775
ABSTRACT:
This invention describes the process of separating fructose preferentially from a mixture of glucose and fructose by using ion exchange membranes. More particularly it relates to the process comprising the steps of (1) passing a liquid mixture of fructose and glucose through a first feed chamber of an electro-osmosis cell comprising at least two chambers defined between ion exchange membranes having alternating high and low permeability coefficients with respect to each other, (2) passing a direct electric current transversely through said membranes and chambers in a direction to cause the fructose to pass from said feed chamber through said high permeability coefficient membrane into a second chamber with said fructose being substantially retained in the second chamber, and (3) recovering a glucose enriched and a fructose enriched effluent from the separate chambers.
REFERENCES:
patent: 3290173 (1966-12-01), Marino
patent: 3383245 (1968-05-01), Scallet et al.
patent: 3475216 (1969-10-01), Walon
patent: 3525682 (1970-08-01), McRae et al.
patent: 3666647 (1972-05-01), Kubo et al.
patent: 3781174 (1973-12-01), Nishijima et al.
Giuffrida Anthony J.
Jain Surendar M.
Venkatasubramanian Kalyanasundram
Ionics Inc.
Prescott Arthur C.
The Hubinger Co.
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