In which processes is diatomaceous earth used as a filtering aid?

2018-01-28View Original

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In which processes is diatomaceous earth used as a filtering aid?

Reply #22018-01-28

Diatomaceous earth has properties very similar to activated clay. It is generally used in processes such as decolorization, adsorption, and filtration.

Reply #32018-01-30

Decolorization using activated carbon, recovery of catalysts, and so on

Reply #42018-02-26

What is generally used for thiol decolorization?

Reply #52018-02-26

It depends on what the source of the color is.

Reply #62018-02-26

Hydroxyalcohol is refluxed with thiourea and hydrochloric acid; then neutralized with sodium hydroxide, and the pH is adjusted to neutral with hydrochloric acid to yield the product, which has a yellowish tint.

Reply #72018-02-28

Processes have been used for the treatment of used engine oil

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