Filler washing and absorption: acid washing followed by alkali washing to remove H2s and NH3

2016-01-21View Original

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May I ask, for washing and absorption using a packed tower – first to remove NH3 with an acid wash and then H2S with an alkali wash – what kind of liquid is suitable?

Reply #22016-01-21

For completeness, it is used for deodorizing landfills, with an air flow rate of around 70,000

Reply #32016-01-22

Ammonia can be treated with water or dilute sulfuric acid, while hydrogen sulfide can be treated with sodium hydroxide.

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Filler washing and absorption: acid washing followed by alkali washing to remove H2s and NH3

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