54
4.6.1. Normal operations
Fugitive emissions
Media
Gas
Origin
Valves,
pump seals, flanges, open-ended valves,
relief valves,
compressor seals, drains, sample connections.
Destination
Diffuse in the atmosphere
Quantity
Can be estimated with
the Average Factor Method
Composition
VOCs
Fugitive emissions are not negligible. They can be estimated thanks to the Average Factor
Method which is explained in the part A of this report.
Gas relieves
Media
Gas
Origin
Relief valves
Destination
Flare
Quantity
?
Composition
CO
2
, VOCs, CO, SOx, NOx
Off-gas
Media
Gas
Origin
Recycle
drums
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