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Hydrotreating of Maya crude was carried out in a pilot plant at different pressure, temperature and space-velocity, keeping constant the hydrogen-to-oil ratio. Pressure was varied in the range of 70–100kg/cm 2 , temperature between 380 and 420°C, and space-velocity between 0.33 and 1.5h −1 . Asphaltenes were precipitated from the feed and from hydrotreated products by using a batch...
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