Hi Our refinery experienced frequent leaks in the de-ethaniser carbon steel piping system after the start up of the CCR Platformer. The increased chloride levels in the Platforming streams after the start up of the CCR is suspected to be one of the reasons for the thinning observed in the piping. One of the recommendations is to evaluate the piping metallurgy upgrade in deethaniser overhead system to account for the traces of HCL. Any comments Thanks

Actually the temp. is 40 c. i want to make sure is this type of corrosion when the temp. is too low name dew point corrosion or just pitting and the dew point corrosion at high temp. When water condense with some of corrosive species. Moreover, if we arise the temp. to 70 c above the hcl dew point is the system protected even there was a water . Or wherever there water blew the its dew point the chloride dramatically will condense. More clarification will add more value to our system and my understanding to dew point corrosion. Thanks

Hi Lima But we are injecting the chemical filmer amine at the overhead of the debutnaizer. Are we need to inject at both column. Thanks