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control of emission turbines

12/25/2009 7:28 AM

How to reduce and control emission from gas & diesel turbines.

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Guru
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#1

Re: control of emission turbines

12/25/2009 9:04 PM

Increase air/fuel ratio, but this will reduce energy output.

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#3
In reply to #1

Re: control of emission turbines

12/26/2009 6:25 AM

I want to know methods to reduce gaseous emission such as SOx and NOx from exhaust

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Guru
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#4
In reply to #3

Re: control of emission turbines

12/26/2009 7:31 AM

I googled this...

http://www.meca.org/galleries/default-file/MECA%20GHG%20Whitepaper%20April%202009.pdf

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#5
In reply to #3

Re: control of emission turbines

12/26/2009 9:21 AM

Amer.

SOx is controlled by burning only low sulfur fuels such as ultra lpw sulfur #2 and "sweet fuel gas" There are also some stack scrubbers that can be used to remove SOx fron the stack gasses.

NOx is typically controlled by controlling combustor temperature either by strict air to fuel ratio control or by injecting DI water into the combustor. Combustor temps of over 1250 to 1300 F tend to produce a lot of NOx. Remember that our atmosphere is approx 80% nitrogen so running the combustor too hot will only serve to oxidize more nitrogen. Ed

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Guru
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#6
In reply to #3

Re: control of emission turbines

12/27/2009 1:25 AM

What are your turbines for? If it's for electrical generation, then air scrubbers are the usual way to do it. If it's for jet propulsion, then some form of catalytic convertor is required.

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#7
In reply to #6

Re: control of emission turbines

12/27/2009 9:10 AM

Typically catalytic converters are not used on jets of because the resulting pressure drop and loss of velocity of the exhaust gasses. They can be used on a stationary engine for power generation. In this setup the exhaust first enters an expansion bellows that reduces both pressure and velocity of the exhaust before it passed through the catalyst.

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Anonymous Poster
#2

Re: control of emission turbines

12/26/2009 12:48 AM

Mother Nature will not allow any body to beat her.Even so called Modern technology to control emissions.

crm

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