发明名称 |
PRODUCTION OF FRUCTOSE AND USEFUL BY-PRODUCTS |
摘要 |
<p>A process for obtaining fructose solutions or solid fructose, a raw material containing sucrose and/or similar fructofuranosides is hydrolyzed to fructose and glucose and treated with a calcium base (e.g. calcium oxide or hydroxide) to precipitate calcium-sugar complexes. The precipitate is slurried in water and then treated with phosphoric acid to liberate (e.g. at a pH of 5.5 to 9) a fructose solution of high purity (i.e. de-complex the calcium-fructose complex), with precipitation of useful calcium phosphate salts. Phosphoric acid has been found to have significant advantages over carbonic acid or carbon dioxide as the fructose-liberating (de-complexing) agent, e.g. better yields and more useful by-products. Solid fructose can be obtained from the fructose solution in a known manner. The filtrate from the calcium-sugar complexing step can be acidified to yield stable, useful, fructose-depleted by-products.</p> |
申请公布号 |
EP0028317(B1) |
申请公布日期 |
1983.06.22 |
申请号 |
EP19800105981 |
申请日期 |
1980.10.03 |
申请人 |
AMERICAN CRYSTAL SUGAR COMPANY |
发明人 |
BICHSEL, STANLEY EDWARD;WANG, YUEH;SANDRE, ANDREW M. |
分类号 |
C13K3/00;C13K11/00;(IPC1-7):13K11/00 |
主分类号 |
C13K3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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