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April 27, 2026, 08:39:25 pm
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Author Topic: Sulfuric Acid  (Read 1437 times)  Share 

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deledio

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Sulfuric Acid
« on: November 11, 2008, 08:00:54 pm »
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why is air purified before contact process?
is sulfur burnt in air or oxygen?
what is done to limit/handle waste?
what is done in terms of safety?
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shinny

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Re: Sulfuric Acid
« Reply #1 on: November 11, 2008, 08:07:11 pm »
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1. To prevent dust poisoning the vanadium catalyst.
2. In oxygen FROM air. Air is just a mix of various gases, and plants just use air because its cheaper than refining pure oxygen.
3. Double absorption process minimises the SO2 emissions. The toxic vanadium is removed from spent catalyst before its all chucked into landfill.
4. Adequate ventilation and protective clothing.

Can anyone add any more? This is just from the top of my head.
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roly182

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Re: Sulfuric Acid
« Reply #2 on: November 11, 2008, 10:30:30 pm »
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1. Ensure sulfur only forms sulfur dioxide?
3. Waste energy minimised by recylcing back into plant for other processes and the generation of electricity
4. Procedures in place for the clean up/removal of any acid spills?

lol dunno..
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Pandemonium

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Re: Sulfuric Acid
« Reply #3 on: November 12, 2008, 11:02:50 am »
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Quote from: roly182 on November 11, 2008, 10:30:30 pm
1. Ensure sulfur only forms sulfur dioxide?
3. Waste energy minimised by recylcing back into plant for other processes and the generation of electricity
4. Procedures in place for the clean up/removal of any acid spills?

lol dunno..

I've never heard your responses to 1 and 4, but your 3 is pretty legit.
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