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Compressor Suction Temperature
#1
Posted 29 November 2016 - 12:42 PM
I have a question please. I deal with a gas its dew point -25 c and hydrate formation at suction pressure is -18 c.
The question is it possible to enter the gas at -10 c to the compressor, because there is no possibiliy to form hydrate or condensate at this temperature and pressure.
Your quick response is highly appreciated.
#2
Posted 29 November 2016 - 01:10 PM
Hi,
The rule of thumb is to operate natural gas systems at least 10 deg C above the hydrate formation temperature. If that is not possible, you can inject a hydrate inhibitor such as methanol or MEG upstream of the compressor suction scrubber . Hydrate inhibitors act to depress the hydrate formation temperature thus allowing operation at low temperatures.
Regards,
Ankur.
#3
Posted 29 November 2016 - 02:10 PM
Regards,
#4
Posted 01 December 2016 - 06:20 PM
Hi
Make sure,after compression the gas doesn't get cooled off much.It must remain atleast 10 Deg C above the hydrate formation temperature.
Because after compression,hydrate formation temp will also increase with the increase in discharge pressure.
Regards
Aditya
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