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CASE STUDY

PROCESS HEATER

BELGIUM

PROCESS HEATER

255 MW Heater
Problem

Heater temperature limited due to
fireside conditions.

After Therma-Chem Treatment
When treatment started on the 9th of June
throughput was limited to 215MW. It can
be seen from the graph on the right that the
throughput gradually increased throughout
the duration of the chemical treatment
reaching an average of 235MW from
November through to June.

This increase was maintained throughout the
Therma-Chem treatment period and enabled
the refinery to produce an extra 40,000 BPD
compared to the previous year.

Throughput and Temperature
heater mid1 - PROCESS HEATER
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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

left top1 icon 1 - PROCESS HEATER

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