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Integrating Pressure-Driven Membrane Separation Processes to Improve Eco-Efficiency in Cheese Manufacture: A Preliminary Case Study

机译:整合压力驱动的膜分离过程以提高奶酪制造中的生态效率:初步案例研究

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摘要

Pressure-driven membrane separation processes are commonly used in cheese milk standardization. Using ultrafiltration (UF) or microfiltration (MF), membrane separation processes make it possible to concentrate the milk proteins and increase the yields of cheese vats. However, the contribution of membrane separation processes to the environmental impact and economical profitability of dairy processes is still unclear. The objective of this study was to evaluate the contribution of membrane separation processes to the eco-efficiency of cheddar cheese production in Québec (Canada) using process simulation. Three scenarios were compared: two included UF or MF at the cheese milk standardization step, and one did not incorporate membrane separation processes. The results showed that even if membrane separation processes make it possible to increase vat yields, they do not improve the eco-efficiency of cheddar cheese processes. However, membrane separation processes may benefit the eco-efficiency of the process more when used for byproduct valorization.
机译:压力驱动的膜分离过程通常用于奶酪牛奶标准化。使用超滤(UF)或微滤(MF),膜分离过程使得能够浓缩乳蛋白并增加奶酪VATS的产率。然而,膜分离过程对乳品过程的环境影响和经济盈利能力的贡献仍然不明确。本研究的目的是评估膜分离过程对Cheddar Cheese生产的生态效率,使用过程模拟。比较了三种情况:两种包括奶酪牛奶标准化步骤中的两个或MF,并且一种不含膜分离过程。结果表明,即使膜分离过程使得可以增加增值税产量,它们也没有提高切达干酪过程的生态效率。然而,当用于副产品vAlorization时,膜分离过程可以更有利于该方法的生态效率。

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