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  1. JesseLai

    delay coking foam and surface tension

    Thank you for your reply, Compositepro. I don't add any chemical to crack the vacuum residuum from refinery. Heat is applied for cracking. Foam stability is a function of liquid film elasticity. What does film elasticity depend upon? Does the film elasticity increase with higher bulk...
  2. JesseLai

    delay coking foam and surface tension

    Hi I am trying to figure out how foam growth in hydrocarbon is related to surface tension. My understanding is that as surface tension decreases, foam height grows with injection of N2 gas in isotherm environment. Then after injection of silicon antifoam, the liquid's surface tension increases...
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