Distillate Hydrotreating Catalysts
Shell Catalysts & Technologies offers a portfolio of industry-leading catalysts, proven solutions and deep technical expertise to help refiners maximise the value of distillate hydroprocessing units.
How we help improve distillate unit performance
Our premier catalyst portfolio and innovative designs deliver step out activity and stability. We work in close cooperation with refiners to improve the performance of distillate units and enable:
Increased feed rate
Higher cracked feed processing
Enhanced volume swell
Our CENTERA* GT catalysts enable distillate units to continue to push rate and operating severity, giving refiners the opportunity to improve margins.
Delivering catalyst innovation for refiners around the globe
CENTERA GT is the latest milestone in Shell's history of catalyst innovation and enables increased feed rate, higher cracked feed processing and enhanced volume swell.
30+ years
Shell's history of catalyst innovation goes back to the early 1990s.
250+ distillate units
More than 250 distillate units worldwide have installed CENTERA GT.
Since 2009
The proven CENTERA platform was first commercialised in 2009.
Distillate hydrotreating report: maximise value from your DHT unit
Learn how CENTERA GT can unlock value, from maximising performance in a high pressure unit to processing high-margin feeds in a low-pressure unit and overcoming hydrogen constraints in a moderate-pressure unit.
Developing innovative distillate hydroprocessing catalyst solutions
Shell Catalysts & Technologies continues to be at the forefront of hydroprocessing catalyst development and offers a wide range of distillate hydrotreating solutions to meet the evolving needs of the global refining community.
Continuous improvement
Our experts have worked closely with the global refining community for decades to help develop innovative distillate hydroprocessing catalyst solutions.
Deep technical expertise
For 30+ years, our engineers and technologists have been at the forefront of hydroprocessing catalyst development.
Focused R&D programme
In our focused research and development programme, new discoveries and enhancements are continually refined.
Trusted refinery partner
For decades Shell Catalysts & Technologies has worked closely with refiners to meet the evolving needs of the global sector.
Our distillate hydrotreating catalyst portfolio
| Catalyst | Type/Applications | Description |
|---|---|---|
| CENTERA GT DN-3638 | Diesel | CENTERA GT DN-3638 is Shell Catalysts & Technologies鈥� latest generation, highest-performance NiMo catalyst for high-severity ultra-low-sulphur diesel (ULSD) applications. It is designed for moderate to high-pressure units processing refractory (cracked stock, high nitrogen, high endpoint) feeds. Step change in aromatic saturation activity makes it ideally suited for maximising hydrogen consumption and volume swell. It provides a significant boost in hydrodesulphurisation (HDS) activity when combined with CoMo catalysts at moderate pressure. |
| CENTERA GT DC-2638 | Diesel | CENTERA GT DC-2638 is Shell Catalysts & Technologies鈥� latest generation, highest-performance CoMo catalyst for ULSD. It provides significan s t improvement in HDS activity over a wide range of operating conditions and feeds. It exhibits enhanced stability in low-pressure units processing a blend of straight run and cracked feeds. |
| CENTERA DN-3636 | Diesel | DN-3636 is a well-proven, high-activity catalyst ideal for producing ULSD at moderate to high pressure when sufficient hydrogen is available to capitalise on its exceptional hydrogenation activity. It is designed to maximise nitrogen and sulphur removal with increased hydrogenation for polyaromatic conversion and volume gain. |
| CENTERA DC-2635 | Diesel | DC-2635 is a high-activity CoMo catalyst that provides improved activity with the commercially-proven stability of prior generations without a significant increase in hydrogen consumption. It is designed to maximise sulphur removal for producing ULSD at low-to-moderate operating pressure. |
| ASCENT* DN-240 | Diesel | DN-240 is a new-generation NiMo catalyst with increased HDS and hydrodenitrogenation (HDN) activity and excellent silicon pick-up. Distillate units challenged by silicon poisoning require a balance of silicon protection and activity. DN-240 is used alone or combined with a specialised SENTRY* catalyst to optimise silicon protection for maximum cycle life. |
| ASCENT DN-3532 | Diesel | DN-3532 is the latest generation ASCENT NiMo catalyst for producing ULSD at moderate to high pressure. It promotes a balance of direct and indirect desulphurisation pathways for optimal hydrogen consumption. |
| ASCENT DC-2535 | Kero & Diesel | DC-2535 is the latest generation ASCENT CoMo catalyst with increased HDS activity while maintaining the proven stability and flexibility of prior generations. With an increase in active metal utilisation, it provides enhanced hydrogenation and HDN activity to enable processing of more difficult feeds, including blends of light cycle oil (LCO) and coker distillate. |
| ASCENT DC-2532 | Kero & Diesel | DC-2532 is a second-generation ASCENT CoMo catalyst suited for mild-severity operation at low to moderate operating pressure when it is critical to minimise hydrogen consumption. |
| SDD-800 | Distillate Dewax | SDD-800 is an industry-proven dewax catalyst for cold flow improvement. It offers exceptional activity and stability over a wide range of feedstocks and operating conditions. It is designed to maximise distillate yields in conventional and deep (arctic grade) single-stage dewaxing. |
Find out how you can unlock more value from your distillate units
Helping refiners improve margins with CENTERA GT products
Shell Catalysts & Technologies鈥� CENTERA GT catalysts build on the proven and widely accepted CENTERA platform.
Distillate hydrotreating catalysts provide exceptional hydrodesulphurisation (HDS) and aromatic saturation activity and enhanced stability.
Helping refiners extract more value from distillate units
Each catalyst system is tailored to the specific requirements of the site, including feedstock options, hydrogen availability, and desired product specifications.
The process starts with a diagnostic discussion to gain a thorough understanding of the situation followed by an optimised design from our extensive catalyst portfolio.
A dedicated and experienced Shell Catalysts & Technologies team works with your site personnel to ensure key performance targets are met.
Explore our refining catalysts portfolio
Our portfolio includes hydroprocessing catalysts for a wide variety of applications throughout the refinery, from ultra-low-sulphur diesel (ULSD) production and renewables catalysts to tail-gas treating and residue upgrading.
We are also heavily involved with hydrocracking, where we provide both feed pretreatment and cracking catalysts.
Offering a wide range of distillate hydrotreating catalyst solutions
Shell Catalysts & Technologies continues to be at the forefront of hydroprocessing catalyst development and offers a wide range of distillate hydrotreating solutions to meet the evolving needs of the global refining community. Our premier catalyst portfolio and innovative designs deliver step out activity and stability.
We work in close cooperation with refiners to improve performance of distillate units by enabling increased feed rate, higher cracked feed processing and enhanced volume swell. Our success is built on delivering continuous improvement, deep technical expertise, a focused research and development programme, and an ability to gain refiners' trust and grow long-term relationships.
Shell Catalysts & Technologies鈥� CENTERA GT catalysts build on the well-proven and widely-accepted CENTERA platform. Distillate hydrotreating catalysts have been developed that provide exceptional HDS, aromatic saturation activity and enhanced stability. The CENTERA GT catalysts enable distillate units to continue to push rate and operating severity thus positioning refiners to improve margins.
*ASCENT, CENTERA and SENTRY are Shell trademarks.