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Posted by E.J.S. on May 23, 2002 at 02:21:25:
In Reply to: SO2 in flue gas remains high posted by Susovan on October 29, 2001 at 08:29:09:
: We have 20 year old BHEL make VU-40 boiler. In this boiler the SO2 in flue gas remains high (Against the permissible limit 100 ppm, it remains 200 ppm due to high sulphur in coal.
: Is there any feasible solution keeping in view the high cost, space limitation and ageing of boilers?
: A reply will be greatly appreciated.
Is it possible to retro fit your boilers with a lime slurry (CaH2O) system. This would take care of your problem and even allow you to burn fuel with an even higher sulfer content.
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