Fluid Cat Crackers – AIRNOW COMPRESSION SERVICES
Supplemental or temporary air
for Fluid Catalytic-Crackers (FCC) in refineries is another
application for the AirNow Compression Fleet of Oil-free
Centrifugal Air Compressors. Our Fully packaged compressor
skids can easily be modified to either two or three stage
configurations to optimize air delivery at the required
Fluid Catalytic Cracking is the
primary process used to break down large hydrocarbon
molecules into smaller ones. Feed stock is pumped to a
large reactor vessel where, at high temperatures and with
the aid of powder-like catalyst, the large molecules are
cracked. The catalyst is continuously circulated to and
from the regeneration vessel where carbon deposit is burned
off at 1300 degrees.
A large quantity of low pressure
air (typically 30-65 PSIG) is used in the FCC units to
regenerate the catalyst. Because these FCC units are the
most expensive and most important application in the
refinery, continuous and maximized operation is necessary.
This is where the AirNow Compression Services fleet of
rental comressors comes in. By renting AirNow Models
C-25, C-70 or C-210 packages the refiners can supplement or
replace a failed main air blower economically to maintain
production on either a short term or extended basis.
Additional regeneration air is
also often required during summer months when warmer
temperatures cause a reduction in the output of the
permanent air compressor. An AirNow rental is an easy and
economical way for refiners to meet this supplemental need.