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


Water Content in Gasoil

Water Content in Gasoil

Water Content in Gasoil

Dear All, am working as operations engineer of an atmospheric distillation unit. Recently, the water content of light and heavy gasoil coming out from their respective coalescer drums gave a value of 0.1% for a maximum value of 0.05%. I reduced the stripping ratios of the 02 gas oils by half but I still obtained the same results. I sampled the light and heavy gas oils before and after their various coalescer drums and found out that the water content before and after the drum was 0.1%. I would like to know if this can be as a result of dysfunctionning of the coalescer mesh in the drum.
( The flow meter of stripping steam has been checked, the temperature of coalsecer drums are ok, around 35°C,).
Also I would like to state that even though the stripping ratios of light and heavy gasoils are the same, 20kg/t, the appendix of the drum of light gasoils fills up every 24 hours with water. This water is rapidly evacuated by the on-ff valve while that of heavy gas oil takes about 10 days to fill up. ( Draw temperature of Heavy gas oil, 330°C and that of light gas oil is 270°C, the temperature difference between the draw temperature and the bottom temperature of the 02 stripping columns is 15°C, temperature of stripping steam 380°C and 4 barg pressure, pressure of coalescer drums 2.1barg).

RE: Water Content in Gasoil

Although water collects in the boots, the outlet nozzles of the gas oils should protrude inside the vessels to keep water from entering the oil offtake nozzles.

RE: Water Content in Gasoil

Dear Padovano,
did you solve this trouble? How?
Thank you and kind regards

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!


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close