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    • 99. 发明申请
    • PROCESS FOR MAKING AND USING A LOW BEVERAGE SOLUBLE IRON CONTENT ADSORBENT AND COMPOSITION MADE THEREBY
    • 制造和使用低饮料可溶性铁含量吸附剂及其组合物的方法
    • WO02055190A2
    • 2002-07-18
    • PCT/US2002/001005
    • 2002-01-14
    • C12G1/00A23L2/70B01J20/10B01J20/30C01B33/155C01B33/157C12C13/00C12H1/044C12H1/048
    • B01J20/103B01J20/30B01J2220/46C12H1/0408
    • An adsorbent removes certain undesirable components from beverages, such as beer, and has a low beverage soluble iron (BSI) content. These undesirable components include contaminants which cause chill haze. The adsorbent includes two components, a silica component and a polyphosphate sequestering agent component, such as sodium tripolyphosphate (STPP). The process for using the adsorbent involves first contacting a beverage with an adsorbent to adsorb at least a portion of the undesirable components then separating the adsorbent from the beverage. The adsorbent may be formed by one of two methods or a combination of both. The first method involves adding the polyphosphate sequestering agent to a reactant, such as a sodium or potassium silicate solution, prior to or during the gelation stage. A second method involves adding the polyphosphate sequestering agent to the water wash after a hydrogel is formed. The BSI of the adsorbent is substantially reduced using the first method, but the total iron content of the adsorbent appears to increase. The second method decreases both the BSI and the total iron content of the silica gel.
    • 吸附剂从饮料(例如啤酒)中除去某些不需要的组分,并且具有低饮料可溶性铁(BSI)含量。 这些不期望的组分包括引起寒冷混浊的污染物。 吸附剂包括两种组分,二氧化硅组分和多磷酸盐螯合剂组分,例如三聚磷酸钠(STPP)。 使用吸附剂的方法包括首先使饮料与吸附剂接触以吸附至少一部分不需要的组分,然后将吸附剂与饮料分离。 吸附剂可以通过两种方法之一或两者的组合形成。 第一种方法包括在凝胶化阶段之前或期间将多磷酸盐螯合剂加入到反应物中,例如硅酸钠或硅酸钾溶液。 第二种方法包括在形成水凝胶之后将多磷酸盐封闭剂加入到水洗中。 使用第一种方法,吸附剂的BSI显着降低,但是吸附剂的总铁含量似乎增加。 第二种方法降低了硅胶的BSI和总铁含量。