立式离心分离机中的油水比及其对初榨橄榄油和橄榄油厂废水中酚类化合物的影响(阿尔佩辛)

Alfonso Montaño, Sofía Redondo-Redondo, Laura Moreno, Manuel Zambrano
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引用次数: 0

摘要

一般认为,在橄榄油生产过程中使用立式离心机是习惯性的,也是必要的,这样可以去除植被水分和在固液分离(水平离心)过程中无法去除的橄榄果肉小颗粒。试验采用了不同的油水比,以研究该变量对所获橄榄油质量参数和橄榄油废水损失的影响。试验是在油水比介于 0.6 和 5.5 之间的工业加工厂进行的。虽然所获得的橄榄油在质量参数上没有差异,但正确调整油水流速可减少橄榄油中约 30% 的酚类物质流失。此外,研究结果表明,橄榄油厂废水(alpechín)的可溶性流出物和电导率与流出物中橄榄油的损失有直接关系。这项工作证明,通过节约能源、减少用水量和环境可持续性,可以提高橄榄油的质量和橄榄油价值链的竞争力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Oil:Water Ratio in the Vertical Centrifuge Separator and Its Influence in Phenolic Compounds in the Virgin Olive Oil and the Olive Mill Wastewater (Alpechín)
The use of the vertical centrifuge in the olive oil production process is generally assumed to be habitual and necessary for the elimination of both the vegetation water and the small olive pulp particles that are not eliminated during solid–liquid separation (horizontal centrifugation). Trials were carried out with different oil:water ratios to study the influence of this variable on both the quality parameters of the olive oils obtained and the loss of oil with the olive wastewater. The trials were carried out at the industrial mill level with oil:water ratios between 0.6 and 5.5. While no differences were observed in the quality parameters of the oils obtained, correct adjustment of the oil:water flow rates reduced the loss of phenols present in the oils by around 30%. In addition, the results show a direct relationship between the soluble effluent and the conductivity of the olive mill wastewater (alpechín) with the loss of oil in the effluent. This work proves that both oil quality and the competitiveness of the olive oil value chain can be increased with energy savings, water consumption reduction, and environmental sustainability.
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