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On-line heater and boiler chemical cleaning technology

GTC’s fired heater cleaning solves common process feed heater problems. With rising pressure to reduce energy costs, GTC’s advanced fired heater/boiler chemical cleaning technology is an effective way to improve heater efficiency without shutting down plant operations. Our technology is designed to quickly remove deposits such as slag and other fouling materials that build up over time on tube fire side surfaces.

Fouling in the convection section caused by condensed and hardened ash can lead to lower efficiency and high temperature corrosion. In addition, slag in the radiation section caused by alkali metal compounds and molten ash can lead to higher fuel consumption, higher CO2 emissions and lower throughput.

By implementing mechanical, operational and chemical measures, GTC can help clients eliminate slag buildup and other fire side fouling. Our technology is applicable for all furnaces that use residual or heavy fuel oil for firing. GTC uses chemical measures to significantly improve equipment throughput, lower fuel costs and reduce greenhouse gas emissions all without plant facility modifications. Additionally, our chemical fired heater cleaning technology can:

• Increase the melting point of vanadium oxide deposits
- Creates alkali vanadates that have melting points in the range of 1,100 °C
- Alters theV205 compounds on the tubes that are molten in the 600-800 °C range
• Create a slag that is easily broken up due to the creation of defects in the slag crystal structure and the introduction of point defects in the slag
• Improve and clean the tube fire-side surfaces by removing debris which extends the tube life

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