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    • 1. 发明申请
    • METHOD AND INSTALLATION FOR PURIFYING A LIQUID PRODUCT
    • 用于净化液体产品的方法和安装
    • US20160222474A1
    • 2016-08-04
    • US15021657
    • 2014-09-12
    • TETRA LAVAL HOLDINGS & FINANCE S.A.
    • Angelo CadeoGuillermo Fernandez
    • C13B20/16B01D21/01B01D21/34B01D21/00
    • C13B20/16B01D21/0084B01D21/01B01D21/34B03D1/247C13B20/00
    • A method for continuous purification of a liquid comprises inserting the unpurified liquid into a reaction tank, injecting at least flocculants for flocculating impurities and air into the unpurified liquid, retrieving a flocculated unpurified liquid containing air from the reaction tank at a first extraction location below the injection location, transporting the flocculated unpurified liquid containing air towards a flotation tank, adding a polymer to the flocculated unpurified liquid containing air, inserting the flocculated unpurified liquid containing air and polymer into the flotation tank, removing a sludge comprising flocculated impurities from the flotation tank either continuously or during predefined time intervals, and continuously extracting at least partially purified liquid from the flotation tank. The method can be carried out by the disclosed installation.
    • 一种用于连续净化液体的方法包括将未纯化的液体插入反应罐中,至少注入絮凝剂以将杂质和空气絮凝到未纯化的液体中,在第一提取位置处从第二提取位置取出含有来自反应罐的空气的絮凝的未纯化液体 将含有空气的絮凝的未纯化的液体输送到浮选槽,向含有空气的絮凝的未纯化液体中加入聚合物,将含有空气和聚合物的絮凝的未纯化液体插入浮选槽中,从浮选槽中除去包含絮凝杂质的污泥 连续地或者以预定的时间间隔连续地从浮选槽中提取至少部分纯化的液体。 该方法可以通过所公开的安装进行。
    • 2. 发明授权
    • Sugar beet membrane filtration process
    • 甜菜膜过滤过程
    • US06440222B1
    • 2002-08-27
    • US09618831
    • 2000-07-18
    • Michael DonovanRobert P. JansenRichard C. ReisigMarc HlavacekGordon WalkerJohn C. Williams
    • Michael DonovanRobert P. JansenRichard C. ReisigMarc HlavacekGordon WalkerJohn C. Williams
    • C13D108
    • B01D61/142B01D61/16B01D2311/04C13B10/00C13B20/00C13B20/165B01D2311/103B01D2311/246B01D2311/2623B01D2311/268
    • A process for producing sugar from beets includes the step of filtering a sucrose-containing feed juice, which has been obtained from macerated sugar beets, through a first ultrafiltration membrane that has a first molecular weight cutoff. This ultrafiltration step produces a first ultrafiltration permeate and a first ultrafiltration retentate. The first ultrafiltration permeate is filtered through a second ultrafiltration membrane that has a second molecular weight cutoff that is lower than the first molecular weight cutoff. This second ultrafiltration step produces a second ultrafiltration permeate and a second ultrafiltration retentate. The second ultrafiltration permeate is nanofiltered through a nanofiltration membrane, thereby producing a nanofiltration permeate and a nanofiltration retentate. The nanofiltration retentate has a higher concentration of sucrose on a dry solids basis than the feed juice in step (a), and can be used in evaporation and crystallization operations to produce crystals of white sugar. The process can optionally include ion exchange and/or electrodialysis purification steps, prior to or after the nanofiltration step. Recycle syrups can be treated with enzyme or a chromatographic separator to remove raffinose.
    • 从甜菜制备糖的方法包括通过具有第一分子量截留值的第一超滤膜过滤从浸出的甜菜获得的含蔗糖的进料汁的步骤。 该超滤步骤产生第一超滤渗透物和第一超滤滞留物。 第一超滤渗透物通过具有低于第一分子量截止值的第二分子量截止值的第二超滤膜过滤。 该第二超滤步骤产生第二超滤渗透物和第二超滤滞留物。 第二超滤渗透物通过纳滤膜进行纳滤,从而产生纳滤膜渗透物和纳滤膜渗余物。 纳米过滤滞留物在干固体基础上具有比步骤(a)中的进料汁更高的蔗糖浓度,并且可用于蒸发和结晶操作以产生白糖晶体。 该方法可任选地包括在纳滤过程之前或之后的离子交换和/或电渗析纯化步骤。 可以用酶或色谱分离器处理回收糖浆以除去棉子糖。
    • 3. 发明申请
    • PROCESS FOR PRODUCITON OF PURIFIED CANE JUICE FOR SUGAR MANUFACTURE
    • 用于制糖的纯化罐头生产工艺
    • US20020011246A1
    • 2002-01-31
    • US09377241
    • 1999-08-19
    • RICHARD C. REISIGMICHAEL DONOVAN
    • C13F003/00
    • C13B10/00C13B20/00C13B20/165
    • The present invention relates to a process for producing sugar from cane that includes the steps of: (a) grinding sugar cane or pieces thereof into pulp; (b) mechanically separating juice from the pulp; and (c) membrane filtering the separated juice, for example through a ultrafiltration membrane, producing a retentate and a permeate. Preferably in step (a), the cane is cut into pieces having an average fiber length of less than 10 millimeters, more preferably into pieces having an average fiber length of less than 5 mm with a fiber diameter of about 200 microns or less. The mechanical separation of juice from cane pieces can be done suitably by filtration or centrifugation. It is preferred to adjust the pH of the separated juice to at least about 7 prior to membrane filtration, more preferably to at least about 7.5, for example by adding lime or sodium hydroxide. The permeate can be evaporated and crystallized by conventional means to produce white sugar. The mother liquor from this first crystallization can be crystallized further, usually twice more and the sugar obtained can either be used directly as a product, or remelted with the feed to the first crystallization. The remaining mother liquor is molasses.
    • 本发明涉及一种从甘蔗生产糖的方法,包括以下步骤:(a)将甘蔗或其碎片研磨成纸浆; (b)将果汁与纸浆机械分离; 和(c)对分离的果汁进行膜过滤,例如通过超滤膜,产生渗余物和渗透物。 优选地,在步骤(a)中,将甘蔗切割成具有小于10毫米的平均纤维长度的片,更优选切割成平均纤维长度小于5mm,纤维直径为约200微米或更小的片。 通过过滤或离心可以适当地进行果汁与甘蔗片的机械分离。 优选在膜过滤之前将分离的果汁的pH调节至至少约7,更优选将至少约7.5调节至至少约7.5,例如通过加入石灰或氢氧化钠。 可以通过常规方法将渗透物蒸发并结晶以产生白糖。 来自该第一次结晶的母液可以进一步结晶,通常两次,所得到的糖可以直接用作产物,或者与进料重结晶进行第一次结晶。 剩下的母液是糖蜜。
    • 4. 发明授权
    • Treatment of raw sugar juice
    • 原糖汁的处理
    • US4039348A
    • 1977-08-02
    • US567522
    • 1975-04-14
    • Richard James Hunwick
    • Richard James Hunwick
    • C13B10/04C13B20/00C13B30/02C13D3/00C13D3/16
    • C13B30/02C13B10/04C13B20/00
    • A method of, and a system for, processing or treating raw sugar juice wherein raw sugar juice produced in a crushing mill is delivered to a first section of a partitioned surge chamber from which section it is withdrawn and subjected to a degritting process in one or more cyclone separators, the juice which is relatively free of heavy solids being subsequently delivered to a second section of the partitioned surge chamber from which section it is withdrawn for clarification in a clarifier and from which clarifier mud is withdrawn for subsequent treatment in one or more centrifugal separators, the removal of heavy solids, such as dirt and grit, during the degritting process being such as to reduce wear and erosion of the components in the centrifugal separators for processing the clarifier mud.
    • 一种用于处理或处理原糖汁的方法和系统,其中在破碎机中产生的原糖汁被输送到分隔的缓冲室的第一部分,从其中取出该部分并将其经过一次脱粒处理, 更多的旋风分离器,相对不含重质固体的果汁随后被输送到分隔的蒸发室的第二部分,从该区域中抽出的部分用于澄清器中的澄清,并从中从该澄清池中抽出澄清池泥浆用于随后在一个或多个处理中 离心分离器,在脱灰过程中去除重质固体,例如污物和砂砾,以减少用于处理澄清泥的离心分离器中的组分的磨损和侵蚀。