2 replies to this topic

[Ijaz2852]

I am working on a gas sweetening plant and venting acid gases containing 99% CO2 and 1% H2S in air. We are using a vent stack of 250 feet height for this purpose. We want to carry out maintenance job on this stack and would use a flare stack of 100 feet for venting purpose. Will it be safe for venting H2S gas at this height?

[samayaraj]

You cannot use the 100 feet flare for venting. Since the dilution will be less. You can refer ASHRAE handbook on Heating, Ventilating, and Air-Conditioning Application, chapter 44 (2007 edition).

[breizh]

Hi ,

A dispersion model will give you the answer . You may find tools using Google.

As stated above I 've the " feeling " that is not achievable .

Those materials are very harmful.

 

Good luck

 

Breizh

Edited by breizh, 23 March 2016 - 12:48 AM.