What is a common source of error in determining the percent spent caustic in refinery applications?

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What are the specialized grinding methods?

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What is the maximum recommend pipe velocity for dry and wet gases?

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Is it ever advantageous to use shells in series even though it may not be necessary?

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what is the meaning of flaring

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Explain what type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited npsha (net positive suction head available)?

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What are the steps required to design a vapor-liquid separator or flash drum?

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What is carbon sequestration?

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if i added hypo before DM plant so i will affect my resins of anion or cation. if affect it so do prevent what kind of step should be taken to remove hypo before DM inlet?

0 Answers   Hindustan Unilever Limited,

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What are flameless oxidizers?

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Question 31 – For liquid benzene, the CP constants are : a = 129440, b = - 169.5, c = 0.64781. Reference temperature is 298 K. The temperature of benzene is 60 degree Celsius. Calculate the enthalpy of benzene by using the formula H = a (DT) + (b/2) (T^2 – TREF^2) + (c/3) (T^3 – TREF^3) where ^ is power, DT is temperature difference with TREF = 298 K. H is in J / kmol. DT = T – TREF.

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Oil and fat containing food items are flushed with nitrogen. Why?

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