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Problem
To
prevent gas emissions to atmosphere, a simple flare gas recovery system was
required which could safely and economically compress low pressure waste gas
back into the production process.
Solution
Transvac
Flare Gas Recovery Ejectors are ideally suited
to this application because they can employe high-pressure
gas energy; from an existing source, to entrain and compress waste to a
pressure where the
gas can be used in the production process.
For
this application the Transvac Ejector was designed to use high pressure motive
gas from the 2nd stage Compressor discharge to entrain low pressure flare gas
and to discharge into the inlet of the 1st stage Compressor.
The
Gas Ejector was designed to handle the maximum flare gas flow conditions, but
in order to maintain the desired pressure conditions on the low pressure side a
simple control system is used to recycle make-up gas from the discharge of the
Ejector.
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Benefits
•
Emission
of greenhouse gases to atmosphere eliminated
•
Potential
reduction in tax liability
•
Waste
gas is recovered and added to production
•
No
running costs because existing energy used to motivate the Ejector
•
Ejector
has no moving parts
•
No
maintenance (very attractive for remote installations)
•
Simple
to install as part of existing pipework system
•
Low
cost option
•
Safe,
reliable operation
•
Easy
to control using standard techniques
Design
Transvac
Flare Gas Recovery Systems are designed to meet site specific requirements and
to recognised codes including ASME B31.3 etc. with full non-destructive
testing.
