U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Method of purifying sugar juice prepared by extraction of a sugar beet material

Patent 4432806 Issued on February 21, 1984. Estimated Expiration Date: Icon_subject January 8, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2082656

3758405

3799806

Wastewater treatment
Patent #: 4014787
Issued on: 03/29/1977
Inventor: Shorr

Process for decolorizing sugar solutions with peroxide
Patent #: 4076552
Issued on: 02/28/1978
Inventor: Farag ,   et al.

Process for the purification of evaporated sugar solutions
Patent #: 4234350
Issued on: 11/18/1980
Inventor: Suzor

Process for the purification of sugar syrups Patent #: 4288551
Issued on: 09/08/1981
Inventor: Gudnason ,   et al.

Inventors

Assignee

Application

No. 06/338071 filed on 01/08/1982

US Classes:

127/48, Chemical precipitation of impurities127/55, Filtering or sorption210/638, Including ion exchange or other chemical reaction210/639Including prior use of additive (e.g., changing pH, etc.)

Examiners

Primary: Schor, Kenneth M.

Attorney, Agent or Firm

International Classes

C13D 3/00 (20060101)
C13D 3/16 (20060101)
C13D 3/06 (20060101)

Foreign Application Priority Data

1981-01-14 SE

Abstract

Method of purifying sugar juice which has been prepared by extraction of a sugar beet material comprising mechanically separating undissolved components, chemically treating the juice to convert low molecular non-sugars into higher molecular compounds and to convert non-soluble compounds into soluble compounds and ultrafiltering the sugar juice thus obtained to separate high molecular components therefrom, thus obtaining a purified sugar juice which is suitable for the manufacture of crystalline sugar of a higher quality than conventionally purified sugar juice.

Other References

  • Michaels, A. S.; Chem. Eng. Progress, vol. 64, No. 12, Dec., 1968; p. 31; "New Separation Technique for the CPI"
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