rsr- ssm impacts - 4c conference · 4c hse conference •ssm impacts - compliance and optimization....
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![Page 1: RSR- SSM IMPACTS - 4C Conference · 4C HSE Conference •SSM Impacts - Compliance and Optimization. THIS DOCUMENT IS PUBLIC . PROJECT BASED -Single point connection -Plug and Play](https://reader030.vdocument.in/reader030/viewer/2022040814/5e59f967a6e62f3b733966e6/html5/thumbnails/1.jpg)
Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
RSR- SSM IMPACTS COMPLIANCE AND OPTIMIZATION
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
2
‘If you think Compliance is expensive, try non-compliance’ Paul McNulty, former U.S. Deputy Attorney General
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
1 RSR for Flares - Overview
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
Refinery Sector Rule- Flares Overview
● Most Comprehensive Rule Revision by EPA to Date – Multiple s ections applying to Fence line, Storage, Venting – Flare s ection focus :
– Full combus tion of Hazardous Air Pollutions (HAPs ) – Increas ed Des truction Removal Efficiency (DRE)
● Requirements to Monitor Net Heating Value (NHV) – Ins talla tion of new monitoring s ys tems – Mus t be > 270 Btu adjus ted NHV at flare tip in 15 minute blocks – Performance Spec and NHV calculation definitions
● Requirements to Control NHV – Startup, Shutdown & Malfunction (SSM) exemptions eliminated
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
5
“Table 12 Normalized Certificate of Analysis”
909
GPA NHV
1619
2315
3000 3011
274 1499
2182
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
2 RSR for Flares - NHV Control SSM Impacts
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
NHV CONTROL
● Startup, Shutdown & Malfunction (SSM) exemption eliminated with RSR ● “The Rule now applies at all times”
● Potentially challenging to comply during major nitrogen purge events and steam outs
● Supplemental fuel gas likely needed to maintain 270 Btu during high N2 flow purging and steam out events
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
PRINCIPLE OPTIONS- Any individual or combination of
• Internal Supplemental Fuel Gas
• Reduce Purge Flow
• Thermal Oxidizers
• External Supplemental Fuel Gas
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
NHV CONTROL- Internal Supplemental Fuel Gas
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● Natural Gas, Light Ends (Fuel Gas), Hydrogen ● Challenges
● Sufficiently available fuel gas ● Proximity of fuel gas to flares ● Capital cos t for engineering, piping & infras tructure ● Neces s ity to “dial back” purge flow to maintain compliance
● Potential Impacts ● Ability to maintain compliance ● Extended turnaround project cycle time ● Increas ed turnaround cos ts - labor, rentals ● Opportunity cos t for major unit downtime
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
NHV CONTROL-
Dial Back Flow Rate Thermal Oxidizer • High Demand - Hydrocracker Purge
• 60% +/- Dial Back
• Extend project from 1 day to 3
• Opportunity Cost for Production Unit
• Extended Project/ Turnaround Time & Costs
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• No to low emissions
• Large footprint
• Infrastructure > Piping to divert f lare stream > High energy demand
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
PROJECT BASED - Single point connection - Plug and Play - No utility s et up for power, water, s team or gas
- Low capita l - Proces s downtime and turnaround project time - Lower gas volume requirements vs . optional fuels
COMPLIANCE - Ability to s tay above required NHV levels - EPA compliant flow monitoring and low s ulfurs fuel
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External Supplemental Fuel Gas (ESFG*)
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
Alternative Fuel Gas Ratio Requirements
151
Methane 896BTU 33.5%
329
Propane 2281 BTU
13.15%
Hydrogen 1212BTU 24.75%
504
789
Mixed Fuel Gas 680BTU 44.1%
Supplemental Fuel Gas Needed Per 1000 scfm Nitrogen
Fuel Gas SCFM
1000 scfm N2 + Fuel Gas Flow 1151 1329 1504 1789
Total SCFM
Mixed Fuel Gas 680BTU 66.1%
2941
Propane 2281 BTU
20%
1250
Fuel Gas Ratio Required for 300Btu for 450 Btu
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
13
External Supplemental Fuel Gas (ESFG)
Liquid Fuel Gas Supply Control Manifold with EPA Compliant Flow Monitoring
Trailer Mounted Vaporization
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Airgas, an Air Liquide company
∙ April 2018 4C HSE Conference
Refinery Sector Rule (RSR) SSM Impacts - Compliance and Optimization•
THIS DOCUMENT IS PUBLIC
Thank you
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