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首页> 外文期刊>International Dairy Journal >Direct measurement of the force required to disrupt and remove fouling deposits of whey protein concentrate.
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Direct measurement of the force required to disrupt and remove fouling deposits of whey protein concentrate.

机译：直接测量破坏和去除乳清蛋白浓缩物积垢所需的力。

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摘要

Fouling of thermal processing equipment by dairy fluids is considered to be a serious problem. Application of a micromanipulation technique for direct measurement of the adhesive strength of whey protein deposits on a stainless steel surface is described. Results might provide useful information on the optimal removal of milk-based deposits for cleaning of fouled surfaces of plate heat exchangers used in the dairy industry. The proposed technique utilised a T-shaped probe to pull fouling deposits away from the stainless steel surfaces to which they were attached, with simultaneous determination of the force imposed on the probe to achieve deposit removal. The apparent adhesive strength between fouling deposits and surfaces was determined. Measured values of apparent cohesive/adhesive strength were seen to be a function of temperature, cleaning agent concentration and exposure time. The adhesive strength of whey protein deposits was greater than the cohesive strength at room temperature.
机译：乳制流体对热处理设备造成的污垢被认为是一个严重的问题。描述了微操纵技术在直接测量不锈钢表面上乳清蛋白沉积物的粘附强度中的应用。结果可能会提供有用的信息，以最佳方式去除乳基沉积物，以清洁乳制品行业中使用的板式换热器的污垢表面。所提出的技术利用T形探针将积垢沉积物从附着它们的不锈钢表面上拉开，同时确定施加在探针上以实现沉积物清除的力。测定结垢沉积物与表面之间的表观粘合强度。表观内聚力/粘合强度的测量值被认为是温度，清洁剂浓度和暴露时间的函数。乳清蛋白沉积物的粘合强度大于室温下的内聚强度。

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