Recycling of dilute sulfuric acid waste acid

2018-09-27View Original

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By adding sulfur dioxide and oxygen to 58% dilute sulfuric acid, the reaction consumes water and produces sulfuric acid; can concentrated sulfuric acid be obtained in the end?

Reply #22018-09-28

Will it not react without a catalyst? ! Has it been experimented on?

Reply #32018-09-28

If it were that simple, companies wouldn’t have to worry about not knowing how to dispose of waste sulfuric acid； Are you sure that sulfur dioxide plus oxygen can directly turn into sulfur trioxide without a catalyst?

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Recycling of dilute sulfuric acid waste acid

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