Hydrocarbon Engineering - March 2017

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Leading minds. Advanced technologies.
BREAKING DOWN
BIG DIESEL
Criterion and ZEOLYSTTM have developed another generation of specialized Advanced Trilobe
(ATX) cracking catalysts that perform with maximum volume gain and extreme diesel selectivity,
which are already driving more value for customers across the globe. ZEOLYST has been
producing market-leading catalysts for 28 years, and our scientists have been diligently working
to keep raising the bar.
NEXT GENERATION
This new generation is setting the standard in hydrocracking to improve refiners’ profitability.
The ZEOLYSTTM MD Series is the ultimate choice for maximizing middle distillate yield and
high-quality products that provide flexibility to meet regional demands in hydrocracking. With
Criterion Catalysts, you gain our innovative science backed by leading technical service for the
quality you need.
Z-MD10 Z-MD20 Z-2513/Z-2623
• Extreme middle distillate
quality and yield
• Max liquid/lowest gas
production
• Max density gain
• High-quality unconverted oil
for premium products
• Max middle distillate yield
• Heavier feedstocks
• Max liquid/lowest gas
production
• Max density gain
• High-quality unconverted oil
for premium products
• Max middle distillate yield
• Improved diesel cold flow
• Paraffinic feedstock
flexibility
• Optimized hydrogen
utilization
DIESEL
MID DISTILLATE SELECTIVITY
ACTIVITY
MID DISTILLATE MID DISTILLATE/NAPHTHA NAPHTHA
Classic Tailored Next Generation
Z-HD10
Z-MD10
Z-2513 Z-503
Z-513
Z-603
Z-623
Z-673
Z-723
Z-733
Z-803
Z-853
Z-863
Z-2723
Z-MD20
Z-FX10
Z-FX20
Z-NP10
Z-NP20
Z-2623 Z-MD10
Z-2513
Z-MD20
Z-2623