What should be the vapor temperature control for hydrogenation cold high-pressure separation?
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What should be the vapor temperature control for hydrogenation cold high-pressure separation? What temperature is most favorable for the separation of gas, liquid, and water?
45°C – Since the solubility of hydrogen in oil increases as temperature rises within a certain range, when the feed temperature is above 45°C, more hydrogen dissolves in the oil, resulting in increased losses due to hydrogen dissolution. At the same time, the light components in the oil also volatilize into the circulating hydrogen due to high temperatures; upon cooling, this can result in liquid carrying over into the circulating hydrogen, causing foam to form in the desulfurization tower and threatening the stable operation of the circulating hydrogen compressor.
45°C – Since the solubility of hydrogen in oil increases as temperature rises within a certain range, when the feed temperature is above 45°C, more hydrogen dissolves in the oil, resulting in increased losses due to hydrogen dissolution. At the same time, the light components in the oil also volatilize into the circulating hydrogen due to high temperatures; upon cooling, this can result in liquid carrying over into the circulating hydrogen, causing foam to form in the desulfurization tower and threatening the stable operation of the circulating hydrogen compressor.
Not more than 45 degrees. 1. High temperature results in significant loss of hydrogen dissolution. 2. High temperatures can cause the circulating hydrogen to carry liquid, affecting subsequent processes.