公开(公告)号：US5554227A

公开(公告)日：1996-09-10

申请号：US151383

申请日：1993-11-12

申请人： Robert J. Kwok ,  Xavier Lancrenon ,  Marc-Andre Theoleyre

发明人： Robert J. Kwok ,  Xavier Lancrenon ,  Marc-Andre Theoleyre

IPC分类号： C13B20/02 ,  C13B20/12 ,  C13B20/14 ,  C13B20/16 ,  C13B30/02 ,  C13B35/06 ,  C13F1/02 ,  B01D15/08 ,  C13J1/06 ,  C13F1/28

CPC分类号： C13B35/06 ,  C13B20/02 ,  C13B20/123 ,  C13B20/144 ,  C13B20/165 ,  C13B30/02

摘要： This invention relates to a process for the manufacture of crystal sugar from an aqueous sugar juice containing sugars and organic and mineral impurities, including Ca.sup.2+ and/or Mg.sup.2+ ions, such as a sugar cane or sugar beet juice, comprising the following operations:(a) concentration of said sugar juice to give a syrup, and(b) crystallization of said syrup to give a crystal sugar and a molasses,characterized in that it also comprises an operation:(c) of tangential microfiltration, tangential ultrafiltration or tangential nanofiltration, this operation being effected before operation (a).It also relates to a process for the production of crystal white sugar from a sugar juice of the sugar cane juice type, comprising the above-mentioned process for the production of crystal sugar, completed by re-melt, decolorization and crystallization operations.

公开(公告)号：US5902409A

公开(公告)日：1999-05-11

申请号：US698035

申请日：1996-08-15

申请人： Robert J. Kwok ,  Xavier Lancrenon ,  Marc-Andre Theoleyre

发明人： Robert J. Kwok ,  Xavier Lancrenon ,  Marc-Andre Theoleyre

IPC分类号： C13B20/02 ,  C13B20/12 ,  C13B20/14 ,  C13B20/16 ,  C13B30/02 ,  C13B35/06 ,  C13F1/02 ,  B01D61/00 ,  C13F1/04 ,  C13J1/06

CPC分类号： C13B35/06 ,  C13B20/02 ,  C13B20/123 ,  C13B20/144 ,  C13B20/165 ,  C13B30/02

摘要： This invention relates to a process for the manufacture of crystal sugar from an aqueous sugar juice containing sugars and organic and mineral impurities, including Ca.sup.2+ and/or Mg.sup.2+ ions, such as a sugar cane or sugar beet juice, comprising the following operations:(a) concentration of said sugar juice to give a syrup, and(b) crystallization of said syrup to give a crystal sugar and a molasses,characterized in that it also comprises an operation:(c) of tangential microfiltration, tangential ultrafiltration or tangential nanofiltration, this operation being effected before operation (a).It also relates to a process for the production of crystal white sugar from a sugar juice of the sugar cane juice type, comprising the above-mentioned process for the production of crystal sugar, completed by re-melt, decolorization and crystallization operations.

摘要翻译： 本发明涉及一种由含糖和含有Ca2 +和/或Mg2 +离子（如甘蔗或甜菜汁）的有机和矿物杂质制成结晶糖的方法，包括以下操作：（a ）浓缩，得到糖浆，和（b）所述糖浆结晶得到结晶糖和糖蜜，其特征在于其还包括以下操作：（c）切向微滤，切向超滤或切向纳米过滤， 该操作在操作（a）之前进行。 还涉及从甘蔗汁型糖浆生产水晶白糖的方法，包括上述制备结晶糖的方法，通过再熔化，脱色和结晶操作完成。