Dear Cryotechnic,
Answering to your questions:
1. What was meant by "Do not try to build a level in your condenser by liquid injection, otherwise you risk freezing your turbine" is what you interpreted: if too much liquid nitrogen is injected at once, the heat balance is shifted in the main...
Hi Larry,
I believe Airco was bought by British Oxygen in the early to mid 90's. Never heard of Paul Chemical Company, you may want to post a question at the Cryogenic Society of America: www.cryogenicsociety.org
Sincerely,
NTCI, Inc.
www.ntciinc.com
There should not be any problem using the 13X molesieve, especially if it has been stored in sealed containers.
Tests to run: mechanical hardness and adsorption capacity. I do not have the specs in mind but, basically make sure the 13x does not crumble.
Adsorbtion can be restored with a good...
Dear Cryotechnic,
Three things about speeding up the plant cooldown:
1. Start your plant at 75% air and product flow capacities. Do not try to start at 100% capacity or your plant will act as a yoyo.
2. Raise you upper column pressure (carefull with the safety settings) so that when liquid...
Dear Wilmers,
Deriming an ASU is performed in three steps:
1. Warm up the cold box
2. Dry the cold box
3. cool down the cold box for re-start
1. WARMING THE COLD BOX:
Reduce your air flow and shut down the expander
Dump your liquids from the columns
Open all the liquid and gas purges on the...
