Patent · US Expired

Process for refining a raw sugar, particulary raw sugar from the sugar cane sugar industry

US5865899A · kind A · utility

21Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 1996
Grant dateFeb 2, 1999
Priority date
Expiry dateMay 29, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC13B20/165
  • WIPO fieldFood chemistry
  • WIPO sectorChemistry

Abstract

A process for refining a raw sugar, particularly raw sugar from the sugar cane sugar industry, characterized in that it comprises the steps of: PA1 (a) remelting of the raw sugar for obtaining a raw sugar syrup, PA1 (b) carbonatation or phosphatation of said raw sugar syrup, and PA1 (c) tangential microfiltration and/or tangential ultrafiltration of the raw sugar syrup, which has been subjected to carbonatation or phosphatation. The process is completed by the steps of: PA1 (d) decolorization of the sugar syrup resulting from step (c), and PA1 (e) crystallization and/or demineralization of the sugar syrup resulting from step (d).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.