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Reactor | Reactor Cyclones | Cyclone Separators


FCC Cyclones - Reactor

Fluid Catalytic Cracking Units (FCC Cyclones) are the principal technologies that enable the critical process within heavy oil refining of converting the heavy oils into more valuable gasoline and lighter products. More than half of the refinery's heavy petroleum is processed through the FCC Cyclones, and the FCC Cyclones are also an important source of butene and pentene olefins used in refinery processes. 

Our Emtrol-Buell brand has supplied more FCC Cyclones to refineries and petrochemical plants worldwide than any other supplier, so our experience in this area is unequaled. Our FCC Cyclones are designed to enhance separation efficiency, accommodate increased catalyst loading, and are tailored to meet the application needs of refineries and petrochemical plants.

We custom-engineer the following products at the highest quality:

  • FCC Cyclones - Patented Beam Hanger Support System
  • FCC Cyclones - Reactor
  • FCC Cyclones - Regenerator
  • FCC Cyclones - Third Stage Separator Systems
  • FCC Cyclones - Fourth Stage & Catalyst Hopper Cyclones


FCC Cyclones - Reactor

Reactor Cyclones are cyclone separators used to separate hydrocarbon vapors and stripping steam from FCC catalyst. Reactor Cyclones are constructed from refractory lined carbon steel or low alloy steel or even stainless steel and come in many different configurations.

Reactor Cyclones can be attached directly to the riser with a second stage following in a closed coupled system or can be open coupled. They can also be a single stage cyclone preceded by a riser termination device.



  • Low Total Cost of Ownership
  • Maximum performance and efficiency
  • High reliability
  • Enhanced to increase separation efficiency
  • Premium quality material construction to withstand severe operating conditions



  • Enhanced aspect ratio of the cyclone inlet
  • New crossover duct design
  • Minimized use of edge bars in the refractory linings
  • Standard or complex designs
  • Dust hopper and lined dipleg stub designs that enhance catalyst discharge while decreasing erosion effects



Emtrol-Buell has blazed the path in developing dependable, highly-advanced refining equipment for over 120 years. Companies that use Emtrol-Buell FCC Cyclone systems to process heavy petroleum are utilizing superior designed and meticulously crafted equipment that surpasses anything else on the market. Emtrol-Buell uses cutting-edge engineering techniques to manufacture processing equipment capable of operating for years without maintenance. All this care means that Emtrol-Buell takes another thing off your mind and assures the quality of a critical component in the petroleum refining process.

Emtrol-Buell produces superior FCC Cyclone models for all stages of the refining process so that your company can utilize superior technology from start to finish. Our customized products are perfectly suited to your unique situation. From unique control panels to custom-designed exhaust stacks, Emtrol-Buell has the ideal equipment for any and all refineries. When choosing a brand for your refinery’s equipment needs, choose the industry leader that supplies more FCC Cyclone units to refineries and plants than any other company. We are proud that more than half of the refinery’s heavy petroleum is processed through our superior products. You should be proud of the equipment you utilize. Choose Emtrol-Buell.

Reactor Cyclones | Cyclone Separators | FCC Cyclone Reactor
Reactor | Reactor Cyclones | Cyclone Separators



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