Crude oil dehydration methods?
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I encountered a problem today and would like to ask everyone: What is closed dehydration and open dehydration? If anyone understands, please give an answer. Thank you! ! ! !
http://bbs.hcbbs.com/redirect.php?tid=603552&goto=newpost 1. Inject a chemical demulsifier into the oil collection pipe to carry out demulsification； 2. Gravity sedimentation dehydration ； 3. Dehydrate using centrifugal force ； 4. Utilize hydrophilic solid surfaces to coarsen and dehydrate the emulsified water ； 5. Electrical dehydration or electrochemical dehydration. Each dehydration method has its own characteristics and applicable conditions. Therefore, the choice of dehydration method should be determined through experiments and economic comparisons, taking into account factors such as the properties of oil and water, moisture content, type of natural emulsifier, and the dispersion and stability of the emulsion. In oil and water production practices, the aforementioned dewatering methods are often applied in combination to achieve the best dewatering results.
Uh..... OP, I’m curious – do you mean that open-type dehydration and closed-type dehydration refer to the methods used for dehydrating crude oil? To be honest, I’ve never heard of it. My personal opinion is that you must be referring to the working mechanism of the dehydrator, right?
Closed dehydration refers to dehydration at high temperature and under pressure, while open dehydration is dehydration without pressure
Thank you all for your responses. I conducted another investigation; it seems to relate to pipes. In the dehydration process, if the pipes are completely sealed, it is considered closed-type dehydration; otherwise, it is open-type dehydration. I’m not sure if this answer is correct; please give me some advice!