Alkylation, Sulfuric Acid Regeneration, Hydrotreating, Mild Hydrocracking, Flue Gas Scrubbing

As tail pipe emissions standards tighten and vehicle fuel efficiency standards rise, alkylate plays a critical role in gasoline pool blending. Of the many components comprising the gasoline pool, alkylate provides the most reliable source of low-sulfur, low-Rvp, high-octane blending characteristics.

STRATCO® alkylation technology is the premier sulfuric acid alkylation process on the market today. For a comprehensive solution, the STRATCO® technology is available with the MECS® sulfuric acid regeneration technology.

When you need a cost-effective solution for hydrotreating and mild hydrocracking applications, IsoTherming® hydroprocessing technology provides a commercially proven alternative to conventional trickle bed technology.  Using a liquid-full reactor system, IsoTherming® technology can process a wide range of feedstocks (including kerosene, straight run diesel, DAO, 100% LCO, 100% VGO) while maintaining robust catalyst life and significantly reducing operating costs.

Air Pollution control is an issue affecting refiners worldwide. Reliable SO_x, NO_x and particulate removal technologies are key to successful refinery operations. The BELCO® wet scrubber is the industry standard on FCC flue gas stacks, ensuring compliance between turnaround cycles of over 5 years. MECS® DynaWave® reverse jet scrubbers have proven benefits in sulfur recovery unit (SRU) tail gas scrubbing applications and removal of H₂S from sour gas.

As a complement to the STRATCO® alkylation technology or as a stand-alone sour off-gas recovery option, the MECS® sulfuric acid technology is best-in-class for dry gas processing. The MECS® sulfuric acid regeneration (SAR) technology can produce the high-purity sulfuric acid (99.2%) required in the alkylation process ensuring the highest quality alkylate production. The MECS® sulfuric acid production technology can also be used to capture sour refinery off-gases for conversion into sulfuric acid, a valuable and salable product.

As the world leader in sulfuric acid alkylation, Elessent has extensive experience to support your alkylation unit from commissioning and startup through operation decades after startup. Elessent technical services are backed by a global network of engineers, operators and maintenance specialists who stand ready to tackle even the most complex alkylation unit problems. Whether you’re considering an alkylation unit revamp or seeking to improve unit reliability or optimize unit operation, our team offers continuing support. 

In a petroleum refinery, the hydrocarbon steam reforming system is one of the highest energy-intensive systems. 

MECS® Open Channel Air Preheating (OCAP^™) and MECS-ThermoZ^™ gas-to-gas exchangers recover waste heat to preheater combustion air.

Our robust and efficient heat exchange solutions provide significant energy and cost savings when utilized in conjunction with hydrocarbon steam reformers.