旋回式クロスフロー分離技術を用いた切削廃液における W/O エマルジョンの機械的分離プロセス

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  • High Efficient Filtration Process of Cutting Oil W/O Emulsion Using Spiral Cross Flow Separation Technique

抄録

Filtration of cutting oil W/O emulsion by using spiral cross flow was conducted, and the filtration rate and filtration ratio in different filtration conditions was evaluated. In the experiment, different kind of filters, such as ceramic filter and alumina filter was used and the insert material, such as spiral rod and static mixer, was also changed. To evaluated filtration performance of spiral cross flow, function group of filtrate was also analyzed by FT-IR. Cutting oil W/O emulsion was separated oil and water by the ceramic filter, and the filtration ratio of ceramic filter was more than 99%. However, the filtration rate of the W/O emulsion was extremely slow, and it is necessary to find a method for improving the filtration rate.

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