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Fireside Chemical

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Even under the best operating conditions, the users can face several problems with fuels, from storage to combustion, including dust nuisance, carbon rejection in ash and fly ash, fouling and slagging of furnace and formation of clinker.

Thermomix/Economix range of fireside treatment products from Thermax Chemicals contain dust suppressants, combustion catalysts; slag modifiers and corrosion inhibitors that help improve overall combustion and system performance.

Post Combustion Deposit and Corrosion Control

Impurities in fuel can cause post combustion deposit and metal surface corrosion. Many organo-inorganic combinations are effective in controlling combustion fouling and corrosion. The most severe problems are generally found in equipment and systems where fuels significantly deviate in composition from the designed fuel conditions.

Fireside fouling of combustion equipment is caused by the deposition of fuel ash components. The combustion of high ash oils produce deposition on the heat transfer surfaces. The most troublesome oil ashes are those, which contain a vanadium/sodium ratio less than 10:1. Fuels with low Vanadium Sodium ratio produce Tenacious deposits on the Heat Transfer surfaces. Vanadium reacts with oxygen to form various oxides in furnace.  When formed vanadium pentoxide condenses within the furnaces when gas temperatures approach its solidification point. Sodium also reacts with oxygen and sulphur trioxide to form fouling compounds, especially Sodium sulphate. Nickel can also contribute to deposition by forming oxides. Aluminium can be present in the oil in the form of fines carried in from the catalysts of the catalytic cracking process.

Deposit Modifier – Thermomix /Economix

The formation of SO3 takes place during combustion and continues after combustion due to catalytic action of deposits on boiler surfaces such as Vanadium and Iron. The deposit modifier poisons these catalysts reducing secondary formation of SO3. Magnesium is commonly used poison for Vanadium and Iron catalyst. Such modifiers are either added as part of fuel additive or are injected in furnace.

FIRE SIDE CLEANING COMPOUNDS

THERMOMIX / ECONOMIX : FIRE SIDE CLEANING COMPOUNDS :

PRODUCT APPLICATIONS KEY CHARACTERISTICS
Thermomix – BG Slag modifier, corrosion inhibitor for bagasse and heavy oil applications Reduces slag formation caused by low melting ash in furnaces and prevents its accumulation on heating surfaces, prevents corrosion of refractory and metal.
Thermomix – C Slag conditioner, combustion improver for coal-fired equipment Speeds up the combustion process. Chemically and physically prevents slag formation on coal bed.
BIOMIX FIRE SIDE TREATMENT CHEMICAL BIOMIX is a multi-component biomass additive in powder form. It comprises slag modifier and corrosion inhibitor.
Coalmix & Biomix Fire Side Treatment for Solid Fuels
COALMIX FIRE SIDE TREATMENT CHEMICAL – Coal Additive COALMIX reduces the destructive effect of molten ash on refractory.
Economix Complete removal of fireside deposits & corrosion inhibitors for heavy fuel oil-fired units Chemical formulation containing dispersants & corrosion inhibitors. Free flowing powder, non-toxic, and safe to handle.
THERMOSOL – V REFINERY CHEMICALS OVERHEAD CORROSION INHIBITOR FOR DISTILLATION UNITS OF PETROLEUM REFINERY. Refineries have to combat corrodents like H₂S, HCl, Naphthenic acid, etc.

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