×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

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!

*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

Steam/carbon ratio calculation.

Steam/carbon ratio calculation.

Steam/carbon ratio calculation.

(OP)
For calculating the steam/carbon ratio at the inlet of a steam methane reformer, should CO and CO2 concentrations be included?

RE: Steam/carbon ratio calculation.

No, the S/C ratio is based on the C in the hydrocarbons only. This is because the S/C ratio is meant for the reforming reaction only. The HTS and LTS reactions are not relevant to S/C ratio.

RE: Steam/carbon ratio calculation.

(OP)
Thanks George

RE: Steam/carbon ratio calculation.

(OP)
George, I also received an answer to this query from another source. Steam inlet to SMR is also used for the shift reaction (CO + H2O ---> CO2 + H2). So CO concentration should be included but not CO2.

RE: Steam/carbon ratio calculation.

These reactions only occur in the presence of another catalyst (chromium based)in the HTS and LTS reactors, while reforming reaction is with nickel catalyst. Some shift reaction may occur in the reformer, but kinetics will be slow in the absence of a suitable catalyst.

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! Already a Member? Login


Resources

Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

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