terma logo - FCC EXPANDER

CASE STUDY

FCC EXPANDER

SOUTH KOREA

FCC EXPANDER

Problem

The FCC Expander operators were experiencing severe vibration due to catalyst fines sticking on the rotating blades resulting in a shutdown every six weeks, on average.

After Therma-Chem Treatment

Figure 1 shows the daily average vibration level of the four vibration probes on the expander for the prior year before using Therma-Chem. Treatment with Turbo-Mor commenced in October 2013 and Figure 2 reflects the first year of treatment. There were no high vibration trips for the next 30 months of operation. This presented a significant saving for the plant.

Figure 1
Zrzut ekranu 2018 06 01 o 11.29.12 - FCC EXPANDER
Figure 2
Zrzut ekranu 2018 06 01 o 11.29.36 - FCC EXPANDER
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Vacuum Tar Residue
and Fuel Gas Fired Boiler

Japan

High flue gas temperatures
and APH corrosion

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HFO Fired Boiler

Saudi Arabia

Poor boiler efficiency and high
CO2 emissions

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Coal Fired Boiler

Romania

Loss of boiler efficiency and
high CO2 emissions

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Gas and HFO
Fired Boilers

Egypt

Efficiency loss due to fouling on
superheaters and economiser

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Expander in FCC Unit

South Korea

Catalyst deposits on rotating
blades causing severe vibration

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Shipping – LNG Tanker

Malaysia

Heavy deposits on combustion
and radiant sections of boilers
as well as back-end corrosion

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Process Heater

Belgium

Heater temperature limited
due to fireside conditions

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Process Heater

Singapore

Radiant temperature and
heater duty limited by fouling

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Gas Fired Reformer

UK

Unsustainable flue gas
temperature increase
due to fouling