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Baking soda desulfurization

2021-02-23View Original

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I would appreciate it if the experts could advise me on how to handle the solid waste resulting from soda ash desulfurization
Reply #22021-07-01
Soda ash after desulfurization is indeed difficult to handle, and most of it is currently piled up. To this end, our company has developed a desulfurization product that replaces baking soda: highly active calcium hydroxide. We are responsible for processing the products after desulfurization.
Reply #32021-07-13
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Reply #42023-04-10
Desulfurization ash can be converted into baking soda or soda ash using the alkali production process
Reply #52023-05-08
The solid waste generated after desulfurization using baking soda (sodium hydroxide) is mainly sulfates and hardness salts, and the treatment methods are as follows: Sulfate treatment: The sulfates are precipitated and centrifuged to separate the liquid from the precipitate. The precipitate can be used as fertilizer for agricultural production ; The liquid needs to be neutralized; its pH value must be adjusted to neutral before it can be discharged. Hardness salt treatment: Hardness salt waste mainly consists of salts such as calcium carbonate and magnesium salts, which can be reduced to useful substances such as magnesium hydroxide or magnesium oxide through heating and mixing with sodium bicarbonate or sodium chloride.

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