Why is methylene blue added to decolorized activated carbon

2009-09-16View Original

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Why is methylene blue added to decolorized activated carbon, and can methylene blue also contaminate the material that has been decolorized?

Reply #22009-09-16

I would like to know the answer to this question as well; I hope experts in this field can provide a solution. I’m looking forward to it.

Reply #32009-09-16

The methylene blue adsorption value among the quality indicators of activated carbon refers to its ability to adsorb methylene blue, rather than indicating that the activated carbon has absorbed methylene blue. The adsorption capacity of activated carbon is generally evaluated using the iodine adsorption value, syrup decolorization capacity, and methylene blue decolorization capacity.

Reply #42009-11-12

The first sentence is a bit awkward; please advise

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Why is methylene blue added to decolorized activated carbon

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