Control Instruments' CalorVal BTU analyzer is the analyzer of choice for a leading supplier of performance polymers.

The company uses flare stacks to dispose of the waste products collected from its various chemical processes. The waste products consist of gases and other unknown substances. The customer can use the waste gas stream to supplement the fuel supply that operates their flare stacks. They must identify the minimum heating value of the waste stream to determine whether it can be used as a standalone fuel source or whether it needs to be blended with a constant fuel source, natural gas. EPA code 60.18 states for optimum combustion efficiency of the stack the waste stream must run at a minimum heating value of between 300-450 BTU/ft3.

Continuous monitoring of the waste stream is necessary to identify the minimum heating value and ensure proper combustion efficiency of the stack. The CalorVal BTU analyzer was the analyzer of choice for a number of reasons. It has the ability to accurately and continuously measure the direct BTU content of the varying waste gas stream. It is real time measurement and will quickly respond (< 4 sec) to the alarm set point and adjust the natural gas concentration as needed.

Not only does this solution optimize their fuel savings but it has also allowed them to meet EPA guidelines for maximum 98% destruction efficiency of their flare stack.

Download Heating Value Case History.

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