What is higher heating value and lower heating value? Is it positive or negative?

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How can the particle size distribution be determined in a given bulk solid?

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how can we calculate reflux ratio? what is difference between internal reflux and external reflux?

0 Answers   Sabic,

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Is there any way to slow coke formation in ethylene furnaces?

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A 1.5 weight % aqueous salt solution is concentrated to 4 weight % in a single-effect evaporator. The feed rate to the evaporator is F = 7500 kg / h and the feed is at 85 degree Celsius. The evaporator operates at 1 bar. By assuming that only pure solvent of water exists in the form of vapor from the feed, calculate the flow rate of such vapor V.

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Why water is not directly added to sulphuric acid for dilution?

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design calculations for reactor

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What are the customization steps in sap?

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Question 32 – Let 1 ^ 1 = 1, 2 ^ 2 = 4, 3 ^ 3 = 27. By using the Excel computer programming – either by Solver or Goal Seek, find the value of v for the Van der Waals equation (P – a / v ^2) (v - b) = RT where a = 18.82, b = 0.1193, P = 2, R = 0.082, T = 5000 for benzene. Describe briefly how to use Solver and Goal Seek in Excel program of computer to find the solution quickly.

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What is the difference between coagulation and flocculation in water treatment plant?

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Are there flow velocity restrictions to avoid static charge build up in pipelines?

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What is the characteristic length for slab?

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