×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Removal of Natural Gas odoriser from the gas

Removal of Natural Gas odoriser from the gas

Removal of Natural Gas odoriser from the gas

(OP)
Hi all,

The client is using odorised natural gas at 550 - 700 kPa to power a pneumatic style, spring return, piston actuator. However the requirement is to use an activated carbon filter on the vent to, presumably, make the air around the valve tolerable and allow any real leaks to be nasally detectable.

I am aware of activated carbon filters that are made by Norgren, Numatics etc for air breathing sets and the like - anyone aware of any other products or filters that are more suitable to this application?

RE: Removal of Natural Gas odoriser from the gas

Eliminate or reduce methane emissions,
http://www.ptac.org/eet/dl/presentation%2017.pdf
http://www.epa.gov/gasstar/documents/ll_instrument_air.pdf
http://www.icfi.com/Markets/Environment/doc_files/methane-emissions.pdf

Convert to N2
http://www.generon.com/products/prod-Air-dryer.html

installation recommendations that use natural gas power,
http://www.chem.info/ShowPR.aspx?PUBCODE=075&ACCT=0024660&ISSUE=0708&ORIGRELTYPE=TOCI&RELTYPE=PR&PRODCODE=39930&PRODLETT=A&CommonCount=0

**********************
"Pumping accounts for 20% of the world's energy used by electric motors and 25-50% of the total electrical energy usage in certain industrial facilities."-DOE statistic (Note: Make that 99% for pipeline companies) http://virtualpipeline.spaces.live.com/

RE: Removal of Natural Gas odoriser from the gas

The fire hazard alone boggles the mind.  Why waste fuel gas for something better done by any of a dozen other, cheaper, more efficient methods?

RE: Removal of Natural Gas odoriser from the gas

bt, This used to be a very common method of obtaining power in out-of-the-way places on gas gathering and transmission lines.... back in the olden days ... before methane gas emission avoidance became important and the cost of the power gas or solar panels were high.  Today, there's not much of an excuse to do it.

**********************
"Pumping accounts for 20% of the world's energy used by electric motors and 25-50% of the total electrical energy usage in certain industrial facilities."-DOE statistic (Note: Make that 99% for pipeline companies) http://virtualpipeline.spaces.live.com/

RE: Removal of Natural Gas odoriser from the gas

Yeah, I can see the attraction, if no other options were available...but I'd still worry about somebody with a lit cigarette wandering by...

RE: Removal of Natural Gas odoriser from the gas

Remember those "NO SMOKING WITHIN 50 FT." signs?  
They wern't kidding.

**********************
"Pumping accounts for 20% of the world's energy used by electric motors and 25-50% of the total electrical energy usage in certain industrial facilities."-DOE statistic (Note: Make that 99% for pipeline companies) http://virtualpipeline.spaces.live.com/

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources