CLEAN AIR COUNCIL PRESENTATION for Durbin WV 8-7-14
AERIAL VIEWS HELICOPTERS - TRANSMISSION PIPES L I Q U I D S E P A R A T O R S
WITHIN COMPRESSOR STATIONS EVERY 10-40 MILES
ARE LIQUID SEPARATORS
As the pipeline enters the compressor station the natural gas passes
through scrubbers, strainers or filter separators.
These are vessels designed to remove any free liquids or dirt particles
from the gas before it enters the compressors.
Though the pipeline is carrying “dry gas,”
some water and hydrocarbon liquids may condense
out of the gas stream as the gas cools
and moves through the pipeline.
Any liquids that may be produced are collected
and stored for sale or disposal.
A piping system directs the gas from the separators
to the gas compressors.
SOURCE: INGAA - Interstate Natural Gas Association
Photo:INGAA
"In addition to compressing natural gas, compressor stations
also usually contain some type of liquid separator,
much like the ones used to dehydrate natural gas during its processing.
m
Usually, these separators consist of scrubbers and filters
that capture any liquids or other unwanted particles
from the natural gas in the pipeline.
Although natural gas in pipelines is considered ‘dry’ gas,
it is not uncommon for a certain amount of water
and hydrocarbons to condense out of the gas stream
while in transit.
The liquid separators at compressor stations ensure
that the natural gas in the pipeline is as pure as possible,
and usually filter the gas prior to compression.
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