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Fixed Bed hydrotreating

The Atmospheric and Vacuum Residue (AR/VR) hydrotreater is a key refinery unit which improves Residue Feeds for Fluid Catalytic Cracking (RFCC) units and which produces additional diesel as well as low sulfur fuel oil. Residue hydroDeSulfurization units (RDS) improve downstream conversion operations by eliminating difficult feed components thus enabling the refinery engineers to squeezing the most out of the bottom-of-the-barrel, and maximize profitability. 

Axens' unique portfolio for AR/VRDS processing is highlighted by the Hyvahl™ technology and a full range of advanced resid hydrotreating catalysts. 

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Conference
Dubai, UAE - UTC+4
3 days
Speakers
Fabien Lundy
EMEA Commercial Vice President
Joseph Ibrahim
Managing Director, Middle East
Dinesh Kumar Khosla
Regional Sales Manager
+1
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ME-TECH 2025

ME-TECH 2025 takes place from 6-8 May 2025 in Dubai, UAE. The objective remains unchanged; to help connect the refining & petrochemical community to address, exchange and identify solutions to the pressing challenges being faced by the downstream industry sector.
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Conference
Dubai, UAE - UTC+4
3 days
Speakers
Sophie Babusiaux
Chemicals Integration Leader - Middle Distillates & Conversion Business Line
Fabien Lundy
EMEA Commercial Vice President
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ME-TECH 2024

ME-TECH 2024 takes place from 4-6 March 2024 in Dubai, UAE. The objective remains unchanged; to help connect the refining & petrochemical community to address, exchange and identify solutions to the pressing challenges being faced by the downstream industry sector.
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Conference
New Delhi, India - GMT+5:30
2 Days
Speakers
Jutesh Gupta
Country Sales Manager, Axens (India)
Dinesh Kumar Khosla
Global Market Manager, Hydrocracking & Heavy Ends
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Refining India Seminar 2023

Refining India brings together engineers and senior representatives from global operating and refining technology companies to discover leading developments and connect the key leaders across the sector.
Oil Refining
Residue Hydroconversion & Hydroprocessing
Fixed Bed hydrotreating
Ebullated Bed Hydrocracking
Thermal Process
Visbreaking
Fluidized Thermal Cracking
Delayed Coking
Catalysts, Adsorbents, Gradings
Axens India
Asia Pacific
+10
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Conference
Islamabad, Pakistan - UTC+5
2 days
Speakers
Stephane Wermester
Commercial Vice President - Asia Pacific
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Pakistan Energy Reform Summit (PERS 2022)

The 2nd Pakistan Energy Reform Summit 2022 ( PERS 2022) back to Islamabad on May 17-18th of the Year 2022 (original April 20-21st), co-located with the Power & Renewable Energy Summit, Oil, Gas & Petrochemical Summit. This aims to help revitalize the energy and power sector in Pakistan by attracting multilateral cooperation of innovation and investment in the diverse energy mix.
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Conference
Manama, Bahrain - UTC+3
2 days
Speakers
Jean-Philippe Toupance
Lead Technologist, Conversion & Clean Fuels
Cécile Plain
Consulting & Digital - Technology Group Manager
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BBTC MENA 2021

Under the Patronage of H.E. Shaikh Mohammed bin Khalifa Al Khalifa, Minister of Oil, and with the support of the National Oil & Gas Authority (NOGA) and Bapco as Principal Sponsor, BBTC MENA 2021 will bring again together the industry from 14 - 15 December 2021 to discuss the latest developments and the future for bottom of the barrel conversion and catalyst management.
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Hyvahl™

Hyvahl™ is a high-performance RDS process with a perfect commercial operation safety record. It has been employed both for improving residue quality for use as an FCC feed and for the production of Ultra Low Sulfur Fuel Oil (ULSFO) addressing thus IMO 2020 targets.

The residue and hydrogen are pre-heated and then fed into the reactor section. Upgrading begins with a Permutable guard-bed Reactor System (PRS) to eliminate undesirable metals through hydrodemetallization (HDM), followed by a transition section and the final hydrotreating section for HydroDeSulfurization (HDS), HydroDeNitrogenation (HDN) and CCR reduction through HyDrotreating (HDCCR).

Hyvahl™ technology features:

  • Can process AR/VR blends or 100% VR with high metals content
  • Attains the most stringent ULSFO specifications with sulfur content as low as 0.28 wt. % (Middle East crude) throughout long cycle lengths
  • Typical conversions range from 15 to 25 wt. %
  • Produces low sulfur diesel
  • Produces an excellent RFCC feed
8 Hyvahl™ units processing AR, VR and slurry feeds are currently in operation and represent more than 30 years of cumulative operation
4 units with PRS system have been started-up and successfully operated achieving longer run time than other solution, thus preserving downstream RFCC throughput and margins
Commercial Bulletin
Hyvahl
Gradings

Speciality Bed Topping

In Hydroprocessing reactors, pressure drop is mainly induced by particulates build-up and gum formations. Pressure drop not only affect the capacity of the unit but can also have detrimental impact on the distribution.

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Gradings

Silica Management

Silicon is a well-known widespread poison for hydroprocessing catalysts. The main contributor to silicon is the Delayed Coker. In addition, there is a general tendency in the oil production industry to use more silicon-based flow improvers.

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Gradings

Nickel & Vanadium Management

Nickel and vanadium are naturally present in Crude Oil and usually in fractions boiling over 500°C. Nickel and vanadium poisoning affect only VGO and resid hydrotreaters and hydrocrackers.

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Gradings

Gums & Polymer formation control

Pressure drop induced by gum formation is frequently encountered in unit processing some cracked feedstock derived from various conversion processes. The olefins and mainly the diolefins contained in these streams tend to polymerize and get oxidized forming a crust which deposit in the upper layers of the reactor.

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