Fluctuation problem of the hydrogenation cloud point of lubricating oil

2019-05-06View Original

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Recently, the cloud point of the device’s sampling port has been fluctuating significantly. The cloud point of the bottom oil at the pump outlet is -23°C, and it has remained very stable. However, after passing through the heat exchanger and air cooling, the cloud point at the sampling port fluctuates between -10 and -6°C. The unit had the heat exchanger removed and a blind flange installed; samples were taken through an air-cooled sampler, yet the cloud point of these samples still fluctuated significantly, ranging from -22 to -6, which is a large difference compared to the value at the pump outlet. Seeking expert help to analyze the following: handshake

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Fluctuation problem of the hydrogenation cloud point of lubricating oil

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