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Questions tagged [separation-techniques]

For questions about the separation of mixtures and solutions into pure compounds

96 questions
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Why does a molecular sieve work for gas separation?

I was looking at membrane separation of air to nitrogen / oxygen and saw some details on the molecular sieve which on Wikipedia states you can get much higher purity from an adsorber / sieve, but when I look at these images, it doesn't make any…
Alan
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Is it possible to separate $\ce{CO2}$ from exhaled air? How?

Just for fun, I would like to see if I could make my own concentrated $\ce{CO2}$ by separating it from my own exhaled breath. I would also love to see if I could pressurize it so I could make my own carbonated water! When you exhale, the gas that…
Mailbox
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Separation of methyl acrylate from ethanol

I have liters of ethanol contaminated with methyl acrylate (MA) from cleaning UV resin 3D prints. Is there an easy way to purify this ethanol by separating MA (as unwanted product) from it? Distillation is not a good option, because MA has boiling…
Tom
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How to separate rhodium sulfate from zirconium sulfate?

I dissolved a zirconia ceramic containing rhodium with sulfuric acid, i tought this process will dissolve only zirconia ZrO2 at 100 °C and lower but it turned out that rhodium in form of powder can dissolve also. I Proceeded in 3 way's the last one…
user123326
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What is the physical property used in choosing the separation techniques for CaCO3 and KCl and NH4Cl

I've been scrolling through a chemistry past question but when I came across this I tried to solve it but it keeps confusing me
Treasure
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How do we separate H2O from CO2?

Let's say I have a mixture of $\ce{CO2}$ and $\ce{H2O}$ gases. I've read that $\ce{CO2}$ is heavier (molar mass is $\pu{44.01 g/mol}$) than $\ce{H2O}$ (molar mass is $\pu{18.02 g/mol}$). So, if the mixture is supplied to a cylinder from the bottom,…
Ishaan Manish
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