BENCHMARKING OF A NOVEL TGTU TECHNOLOGY IN GAS PROCESSING OPERATIONS - - PowerPoint PPT Presentation

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BENCHMARKING OF A NOVEL TGTU TECHNOLOGY IN GAS PROCESSING OPERATIONS - - PowerPoint PPT Presentation

BENCHMARKING OF A NOVEL TGTU TECHNOLOGY IN GAS PROCESSING OPERATIONS GASCO: MESPON Adel Seif El Nasr 17 th October 2017 Research and Development Engineer & Khalifa University of Science and Technology: Yasser Al Wahedi Assistant


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BENCHMARKING OF A NOVEL TGTU TECHNOLOGY IN GAS PROCESSING OPERATIONS

MESPON

17th October 2017 GASCO: Adel Seif El Nasr Research and Development Engineer & Khalifa University of Science and Technology: Yasser Al Wahedi Assistant Professor

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Research and Development Awareness Approach and Technologies Used Standard Operational Comparison Technology Limit Comparison Conclusion and Way Forward Project Motivation and Drivers

AGENDA

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RESEARCH AND DEVELOPMENT AWARENESS R&D APPROACH

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RESEARCH AND DEVELOPMENT AWARENESS R&D APPROACH

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R&D Themes Gas Processing Investigate and develop processes and technologies related to sour gas processing > 14 Technical Challenges > 7 Projects Facilities Integrity Investigating data gathering and processing tools and techniques in

  • rder to asses facilities integrity

> 11 Technical Challenges > 10 Projects Energy Efficiency & Environment Investigation of new techniques and technologies in order to enhance energy efficiency, reduce the environmental impact > 4 Technical Challenges > 6 Projects Process Optimization & Control Optimization of maintenance and production value chain using process control > 4 Technical Challenges > 3 Projects

RESEARCH AND DEVELOPMENT AWARENESS R&D APPROACH

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PROJECT MOTIVATION AND DRIVERS PROJECT SPECIFICATIONS

TRL 4

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> This leads to reduction of SO2 from the asset’s vented gas (150 mg/Nm3) > Can be applied in existing assets > Examples of assets include Habshan 1 & 2 > This leads to the growth of ADNOC and maximization of value. > Developing competitive edge over existing best in class technologies > Examples include SCOT technology currently deployed in Habshan 5 > No mandate exists in the UAE to achieve very low levels of SO2 emissions. > UAE is a signatory on the COP mandate which will create more ambitious future targets > Anticipation of government mandate to reduce SO2 emissions from existing assets

Tackling the Upcoming Challenges of Tomorrow Fostering Innovation across ADNOC through the development of own technologies Utilization of Best Available Technologies (BAT)

PROJECT MOTIVATION AND DRIVERS

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APPROACH AND TECHNOLOGIES USED

APPROACH

Select the project specifications:

  • Asset Location
  • Best Available

Technology TGTU Process

Sizing and Costing (Costing Correlations) Economic Assessment Methodology

Assumptions

Equipment Parameters

Plant Costs

Technical Benchmarking

Heat and Mass Flows

Technical Indicators Economic Benchmarking Economic Indicators

Treatment Processes Modelling and Simulation (GProms)

Equipment

Parameters Plant Costs

Heat and Mass Flows

Technical Indicators Economic Indicators

Assumptions must be held constant for both cases

Select the project specifications:

  • Asset Location
  • Developed

Technology TSA Process

Assumptions

Sizing and Costing (Costing Correlations)

STANDARD OPERATIONAL COMPARISON VS TEHCNOLOGY LIMIT COMPARISON

Economic Assessment Methodology

Treatment Processes Modelling and Simulation (ProMAX)

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APPROACH AND TECHNOLOGIES USED

TECHNOLOGY A: TGTU Process

Feed Gas from Claus Fuel Gas Hydrogenation Unit Recycle Acid Gas to SRU Absorber Quench Tower Stripper Recycle Gas Blower Reboiler

Condenser

To Incinerator

Legend

Cooling Water Pumps Coolers Cross Heat Exchanger Lean Solvent

Rich Solvent

Flash Drum

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APPROACH AND TECHNOLOGIES USED

TECHNOLOGY B: NOVEL TSA TECHNOLOGY (MIXED OXIDE)

At present state, technology is capable of complete sulfur species removal

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APPROACH AND TECHNOLOGIES USED

TECHNOLOGY ASSUMPTIONS TGTU TECHNOLOGY

Low Pressure Steam Stainless Steel Carbon Steel

Per ton

TSA TECHNOLOGY $4

Solvent Used

Per kg

$20 MOC

Heated Air INCOLOY

600oC

Mixed Oxide Adsorbent

Per kg

$15 MOC

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APPROACH AND TECHNOLOGIES USED

COMMON ASSUMPTIONS

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Fuel Gas Cost ($2.62/MMBtu)

100% Capacity Factor

(8760 h)

Water Cost

($0.005/KG)

Electricity Cost

($0.03/kWh) 30 Year Plant Life Lang Factor of 6

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STANDARD OPERATIONAL COMPARISON

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TGTU Cost ($18/ton Sulphur) 200 PPM TSA Cost ($12/ton Sulphur) 0 PPM Anticipated Return / Saving ($):

  • $94.5MM estimate for CAPEX of TGTU
  • $49.5MM estimate for CAPEX of TSA

> $1.855MM annual OPEX estimated for TGTU > $1.63MM annual OPEX estimated for TSA

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TECHNOLOGY LIMIT COMPARISON

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TGTU Cost ($24/ton Sulphur) 5 PPM TSA Cost ($12/ton Sulphur) 0 PPM Anticipated Return / Saving ($): > $106.8MM estimate for CAPEX of TGTU

  • $49.5MM estimate for CAPEX of TSA

> $2.48MM annual OPEX estimated for TGTU > $1.63MM annual OPEX estimated for TSA

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CONCLUSIONS AND WAY FORWARD

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In standard operational mode, the TSA is more advantageous than the TGTU process.

Conclusion 1

At the technology limit, the TSA process is still more advantageous than the TGTU process.

Conclusion 2

The economic advantage of the TSA process is realized when it is used as a

  • TGTU. Other configurations can be

explored with further development of the technology.

Way Forward 1

Performance and stability of the adsorbent after pellitization and during adsorption/regeneration to be proven at next stage of development

Way Forward 2

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Thank You!