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The issue of element balance

2016-04-27View Original

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I have a question. For example, when I want to perform a sulfur balance calculation for atmospheric and vacuum distillation, and I already know the yields of the inlet and outlet materials as well as the sulfur content in each material, is the balance formula: proportion of inlet material 1 × sulfur content of inlet material 1 + proportion of inlet material 2 × sulfur content of inlet material 2 = yield of outlet material 1 × sulfur content of outlet material 2 + yield of outlet material 2 × sulfur content of outlet material 2………… Is this calculation correct? I’m getting inconsistent results when using this method. Giving roses to others leaves a pleasant fragrance in one’s own hands; thank you very much.
Reply #22016-04-27
After the equation, it should be Exit Material 1 * sulfur content + Material 2 * sulfur content, right?
Reply #32016-04-28
Is there a chemical reaction? If so, it needs to be converted using molar amounts
Reply #42016-04-28
There should be no chemical reactions in a constant-pressure process.
Reply #52016-04-28
This way of calculation is incorrect; when balancing the amount of material, factors such as ratios and yields need to be taken into account, but it is also necessary to know the flow rate. A specific time period must be selected for the calculation.
Reply #62016-05-03
Isn’t the proportional yield also determined based on flow rate?
Reply #72016-05-03
You’ve caught me off guard; I don’t know that:(

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