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These digital transcripts are meant to share information on process safety practices in order to help improve process safety performance and awareness throughout industry. The goal is to capture and share knowledge that could be used by other companies or sites when developing new process safety practices or improving existing ones. The documents being shared have been used by an industry member, but this does not mean it should be used or that it will produce similar results at any other site. Rather, it is an option to consider when implementing or adjusting programs and practices at a site. ​

BY THEMSELVES, THESE DIGITAL TRANSCRIPTS ARE NOT STANDARDS OR RECOMMENDED PRACTICES. THEY ARE NOT INTENDED TO REPLACE SOUND ENGINEERING JUDGMENT. THEY DO NOT PRECLUDE THE USE OF ALTERNATIVE METHODS THAT COMPLY WITH LEGAL REQUIREMENTS. A SUBJECT MATTER EXPERT SHOULD BE CONSULTED PRIOR TO DETERMINING WHETHER A PRACTICE CAN BE USED IN ANY SPECIFIC SITUATION. 

​

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(2014) Question 78: What economic issues do you consider when deciding how deep to cut heavy vacuum gas oil?

What economic issues do you consider when deciding how deep to cut heavy vacuum gas oil?
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(2014) Question 79: What is your experience with respect to the use of trough distributors in vacuum wash zone service? Please address installation, reliability and performance.

What is your experience with respect to the use of trough distributors in vacuum wash zone service? Please address installation, reliability and performance.
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(2014) Question 80: What is your reliability experience of multiloader and continuous additive/catalyst loaders? What maintenance do you require?

Grace has been supplying catalyst and additive addition systems in the market for over 25 years. To maintain reliability levels greater than 98%, it is important to have the right equipment design to supply the product types at the injection rates needed to meet the FCCU operating requirements.
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(2014) Question 81: Have you installed reactor vapor line isolation systems? What has been your experience with their reliability since they are used infrequently? Are there any best practices to share in regard to installation and operability?

Have you installed reactor vapor line isolation systems? What has been your experience with their reliability since they are used infrequently? Are there any best practices to share in regard to installation and operability?
Read more

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