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    • 5. 发明公开
    • VERFAHREN UND ANLAGE ZUR ERZEUGUNG EINES LAKTOSE-KRISTALLISATS
    • EP3105356A1
    • 2016-12-21
    • EP15705553.4
    • 2015-02-10
    • GEA Messo GmbH
    • SCHOLZ, ReinhardVAN ESCH, Jan A.M.V.MELCHES, ChristianPLATE, Hermann
    • C13B30/02C13K5/00
    • C13K5/00
    • For continuous production of qualitatively high-grade lactose monohydrate crystals from a solution, the invention proposes the preparation of a highly concentrated solution in a falling film evaporator (1), from the pre-concentrated solution (L2), which is then subjected to continuous cold crystallization (2) with forced circulation (KR) and from which a lactose suspension (SP) is drawn off that forms the product crystals following separation of the transported solution. The product crystals (K) are thereby obtained directly by solid/liquid separation (3), without further crystallization steps from the suspension that was drawn off from the cold crystallization (2). A portion of the mother solution separated off from the product crystals (K) is fed back to a point prior to the inlet to the falling film evaporator (1), the remainder of the mother solution (A) is discarded.
    • 为了从溶液中连续生产定性高级乳糖一水合物晶体,本发明提出了在预浓缩溶液中在降膜蒸发器中制备高浓度溶液,然后将其经受强制循环的连续冷结晶, 从中分离出乳糖悬浮液,在分离出运送的溶液后形成产物晶体。 因此,通过固/液分离直接获得产物晶体,而不用从冷结晶中抽出的悬浮液进一步结晶步骤。 从产物晶体分离的母溶液的一部分被反馈到降膜蒸发器入口之前的一个点,母液的其余部分被丢弃。