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Tail Gas Treatment

Tail Gas from the Claus section still contains unrecovered sulfur species: H2S and SO2, residual COS and CS2, traces of vapor and liquid elemental sulfur.

To further increase recovery yields, tail gas leaving the Claus section can be treated using different processes. Axens proposes dedicated technologies and products for sub-dewpoint applications or hydrogenation plus amine process (Sultimate™) where sulfur species are reduced back to H2S and recycled to the Claus section inlet. These optimized catalysts help reaching the ever-increasing stringent specification on sulfur emissions.

Technical Article - Axens site expansion to boost TGT catalyst production in Kingdom

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Conference
Abu Dhabi, United Arab Emirates - UTC+4
4 days
Speakers
Johann Le-Touze
Lead Technology Engineer, Technology & Technical Support Business Division Low Carbon Solutions and Gas
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MESCON 2025
MEScon, takes place in United Arab Emirates, from 19 to 22 May 2025 and is devoted to networking, thought leadership, innovation and best practice operations across the entire sour gas and sulphur value chain. With the region’s prominence in the global sulphur industry, MEScon is the place where the sulphur and sour gas community meet to discuss and debate the key strategic themes that are driving the industry.
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Conference
Barcelona, Spain - CET
3 days
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CRU Sulphur + Sulphuric Acid Conference & Exhibition 2024
CRU Sulphur + Sulphuric Acid Conference & Exhibition 2024 takes place in Barcelona, from 4 to 6 November and will cover technical updates on the production and processing of sulphur and sulphuric acid, will feature industry-leading presentations covering new innovations in process, technology, materials and equipment developments, as well as practical case studies highlighting operational experience and improvement.
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Conference
Abu Dhabi, United Arab Emirates - UTC+4
3 days
Speakers
Johann Le-Touze
Lead Technology Engineer, Technology & Technical Support Business Division Low Carbon Solutions and Gas
Learn more
MESCON 2024
MEScon, takes place in United Arab Emirates, from 20 to 23 May2024 and is devoted to networking, thought leadership, innovation and best practice operations across the entire sour gas and sulphur value chain. With the region’s prominence in the global sulphur industry, MEScon is the place where the sulphur and sour gas community meet to discuss and debate the key strategic themes that are driving the industry.
Learn more
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Conference
Abu Dhabi, UAE - UTC+4
4 days
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MEScon 2023
MEScon is devoted to networking, thought leadership, innovation and best practice operations across the entire sour gas and sulphur value chain. With the region’s prominence in the global sulphur industry, MEScon is the place where the sulphur and sour gas community meet to discuss and debate the key strategic themes that are driving the industry.
Learn more
Conference
The Hague - CEST
3 days
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Sulphur & Sulphuric Acid 2022 Conference & Exhibition
Now in it's 38th year, the event continues to be an essential annual forum for the global sulphur and acid community to learn, connect and do business. Knowledge sharing is at the core of the event: via the respected dual-streamed technical programme, and the connections made with industry experts and solution providers attending.
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Conference
Virtual - CEST
4 days
Speakers
Benoit Mares
Proposal Manager - Sulphur Recovery Technologies Expert
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Sulphur & Sulphuric Acid 2021 Virtual Conference
CRU Sulphur + Sulphuric Acid will run as a fully virtual event in 2021 – connecting you with an even wider audience of sulphur and acid industry professionals from around the globe. Knowledge sharing is at the core of the event: via the respected dual-streamed technical program, and the connections made with industry experts and solution providers attending.
Natural Gas
Sulfur Recovery
Sub-dewpointing Claus
Claus
Tail Gas Treatment
Equipment Supply
Modular Unit
Europe
+7
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Sultimate™ - AdvaSulf™ Suite

Axens offers Sultimate™, a Tail Gas Treatment (TGT) technology in sulfur recovery processing that uses conventional or proprietary amine based solvent, featuring the highest sulfur recovery achievable: typically 99.9+%.

The catalyst filled within the TGT Hydrogenation (Reduction) Reactor is one of its best feature. Axens CoMo catalyst has the best performance available on the market at low temperature, allowing drastic OPEX reduction while maintaining high activity during long run duration.

Sulfur Recovery up to 99.9+% with conventional MDEA
Over 150 sulfur recovery technology references including many references with Sultimate™ TGT units
Axens TGT low temperature catalyst features major energy and cost savings
Commercial Bulletin
Related Offer
Modular Unit
Sultimate
Catalysts

Tail Gas Treatment Catalysts

To further increase recovery yields, tail gas leaving the Claus section can be treated using different processes. Axens offers dedicated products for sub-dewpoint applications or hydrogenation processes where sulfur species are reduced back to H₂S and recycled to the Claus section inlet.

Read more

Axens selected for CPCL Cauvery Basin Refinery Project in India

Chennai Petroleum Corporation Limited (CPCL), a group company of Indian Oil Corporation Limited (IOCL), India, has selected Axens to supply several advanced technologies for its state-of-the-art 9 MTPA refinery to be set at Cauvery Basin at Nagapattinam in Tamil Nadu (southern part of India).

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picto Oil Refining + 10
C₅-C₆ Isomerization Catalytic Reforming FCC Naphtha Hydrotreating VGO Hydrotreating (CFHT) / Mild Hydrocracking Claus Tail Gas Treatment Catalysts, Adsorbents, Gradings Process Technologies Technical Support & Performance Management Training
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