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Anything Which Can Trap Acid Particles in Steam?

09/10/2011 8:57 PM

Hi, We need some filter or anything which could trap Sulphuric Acid particles from Steam. Steam is being used in process and as its being generated from flash, it contains acid carryover so anyone knows anything how to mitigate or trap acid particles from steam? Thanks

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Anonymous Poster #1
#1

Re: Anythinh which can trap Acid particles in Steam>?

09/11/2011 1:21 AM

have you considered neutralizing the aciddic compounds rather that trying to capture them?

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#2

Re: Anythinh Which Can Trap Acid Particles in Steam?

09/11/2011 7:36 AM

A sacrificial metal, perhaps, that yields a harmless salt? Or an electrostatic grid? Contact a chemist at a university near you.

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#3

Re: Anythinh Which Can Trap Acid Particles in Steam?

09/11/2011 12:58 PM

first explain how are you getting this acid the first place.

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Re: Anything Which Can Trap Acid Particles in Steam?

09/11/2011 8:35 PM

The steam is pure water, but you have some entrained mist which contains acid. To separate the mist from the steam you might consider a cyclone or a dynamic demister like this: http://www.freepatentsonline.com/5688377.pdf

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#5

Re: Anything Which Can Trap Acid Particles in Steam?

09/11/2011 10:58 PM

Hi Sam. An acid is water with ions, not water with particle of acid.

To stop the steam being acidic you'll need to remove the ions at the source, neutralise them with a base or filter them out. That's in order of cheapest, commonly done and extremely expensive.

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#6

Re: Anything Which Can Trap Acid Particles in Steam?

09/12/2011 12:30 AM

Suggested to install an acid fume scrubber to trap & neutralize the contaminated steam. Thanks.

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#7

Re: Anything Which Can Trap Acid Particles in Steam?

09/12/2011 4:29 PM

Hi, We need some filter or anything which could trap Sulphuric Acid particles from Steam.

My first attempt at a solution would be a heated bed of coarse limestone gravel that would maintain the steam temperature during transit. CaCO3 + H2SO4 = CaSO4 + H2O + CO2 (at that temp) H2O + CO2 = H2CO3 on cooling.

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Anonymous Poster (1); ducon (1); Ethanolics Unanimous (1); ffej (1); Md. Dobir Uddin (1); Usbport (1); wilmot (1)

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