I would like to ask how flue gas is discharged these days
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RT, I’m working on a graduation project that involves online monitoring of the SO2 concentration in flue gas. I’d like to know how factories currently monitor SO2 levels, and what standards the flue gas must meet before it can be released into the atmosphere. How much does a device used for monitoring SO2 concentration in factories cost approximately?
http://bbs.hcbbs.com/thread-1230985-1-1.html Selection of online sulfur flue gas monitoring systems: Desulfurization first (lime water, ammonia method, alkali method). . . . . ), emissions have **standards**
What standards must flue gas meet in order to be released directly into the atmosphere? You can check the latest standards at http://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1417673&page=1#pid15591452. Devices for monitoring SO2 concentrations are now equipped with online monitoring systems that transmit data to the environmental protection agency.