hallo friends
In hydrocracker we want to open high pressure separator vessel for inspection. as the vessel contain a lot of muck which consist pyrophoric material and H2S. what are the standard practices of cleaning the vessel and dislodging the muck before opening, so that vessel manentry can be safey?
|
Cleaning And Manentry In High Pressure Separator
Started by sunil, Aug 21 2008 02:01 AM
2 replies to this topic
Share this topic:
#1
Posted 21 August 2008 - 02:01 AM
#2
Posted 21 August 2008 - 05:16 AM
Be 100% sure that vessel is isolated, steamed-out and washed by appropriate cleaning solvent (or at least not dry). Guidance on pyrophoric iron hazards and mitigations you can find in ChE website:
http://www.cheresour...m/ironfires.pdf
http://www.cheresour...phoric iron#946
http://www.cheresour...m/ironfires.pdf
http://www.cheresour...phoric iron#946
#3
Posted 21 August 2008 - 11:52 PM
QUOTE (Zauberberg @ Aug 21 2008, 05:16 AM) <{POST_SNAPBACK}>
Be 100% sure that vessel is isolated, steamed-out and washed by appropriate cleaning solvent (or at least not dry). Guidance on pyrophoric iron hazards and mitigations you can find in ChE website:
http://www.cheresour...m/ironfires.pdf
http://www.cheresour...phoric iron#946
http://www.cheresour...m/ironfires.pdf
http://www.cheresour...phoric iron#946
Dear sunil hello & Good morning,
As a general precaution,
Controlled oxidation with dilute Potassium permanganate aquous solution internal flushing or with other such safer material can be really helpful,but solution must not be concentrated.
Hope this helps
Qalander
Similar Topics
Design Compressor For 35% H2S & 1.05Ksca Suction PressureStarted by Guest_GanjiS_* , 29 Apr 2024 |
|
|
||
Valves On Low Pressure Steam ServiceStarted by Guest_Ali4269278331_* , 15 Apr 2024 |
|
|
||
Answered
Steam Pressure Requirements For Limpet Batch ReactorStarted by Guest_golegolegole_* , 10 Apr 2024 |
|
|
||
Flow Switch High RangeStarted by Guest_Lyne_* , 11 Apr 2024 |
|
|
||
Pressure Control Valve Issues For Gsw LinesStarted by Guest_fahadazh_* , 29 Mar 2024 |
|
|