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Combustion of LPG: Complete Combustion Reaction – Combustion Chemical Reaction – Incomplete Combustion Reaction Formula

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Home 9 Residential LPG Blogs 9 Combustion of LPG: Complete Combustion Reaction – Combustion Chemical Reaction – Incomplete Combustion Reaction Formula

19 Apr, 2024 | Residential LPG Blogs

In this article:

LPG combustion - what do complete and incomplete combustion mean for safety and how knowing can help save you money, too.

Combustion of LPG: Complete Combustion Reaction – Combustion Chemical Reaction – Incomplete Combustion Reaction Formula

Combustion of LPG includes Complete Combustion Reaction – Combustion Chemical Reaction – Incomplete Combustion Reaction Formula Complete combustion reaction formula – equation of complete combustion reaction (combustion chemical reaction) includes the inputs and outputs of the complete combustion chemistry equation (complete combustion combustion reaction formula) or burning equation (combustion formula) for complete combustion reaction.

The general chemical formula for the complete combustion of a hydrocarbon is: CxHy+N(O2)↔x(CO2)+y2(H2O).

General word equation is: Fuel + Oxygen → Carbon Dioxide + Water + Energy. 
 
Complete combustion occurs when there is a more than sufficient supply of oxygen, meaning that all the carbon and hydrogen is oxidised, resulting in only carbon dioxide and water as the end products.
 

What is the Combustion of LPG and Combustion Reaction?

Complete combustion chemistry equation (complete combustion reaction formula) for complete combustion reaction is: C3H8 + 5 O2 → 3 CO2 + 4 H2O + Heat.

Propane formula (formula for propane) for incomplete combustion reaction formula (incomplete combustion chemical reaction) is: 2 C3H8 + 9 O2 → 4 CO2 + 2 CO + 8 H2O + Heat.

Propane formula (propane chemical formula) for complete combustion reaction equation (word equation of combustion formula for propane) for complete combustion reaction: Gas + Oxygen → Carbon Dioxide + Water + Heat.

Propane formula for Incomplete combustion reaction equation (word equation of combustion formula of propane): Gas + Oxygen → Carbon Dioxide + Water + Heat + Carbon Monoxide.

Complete combustion reaction (complete combustion chemical reaction) of LPG – propane – burning equation (complete combustion formula) contains about 25 MJ/litre or 49 MJ/kg of energy with complete combustion reaction.

As shown, incomplete combustion chemistry equation (combustion reaction formula) for propane (propane formula) can produce carbon monoxide, which could cause carbon monoxide poisoning.

The complete propane combustion chemistry equation – equation of complete combustion (combustion reaction formula) involves propane and oxygen as fuel input, and carbon dioxide, water and heat as the complete combustion outputs.

Carbon monoxide is a possible output with an incomplete combustion reaction formula (combustion chemical reaction formula).

Complete combustion reaction (complete combustion chemical reaction) of LPG saves you money on gas.

Find out what you need to do…

What is a Combustion Reaction? Complete Combustion Chemical Reaction & Incomplete Combustion Chemical Reaction Defined

What is complete combustion or a complete combustion reaction (complete combustion chemical reaction)?

What is the difference between a complete combustion reaction – equation of complete combustion reaction (complete combustion reaction formula) and an incomplete combustion reaction (incomplete combustion reaction formula)?

What is the combustion reaction? A combustion reaction (combustion chemical reaction) is an exothermic chemical reaction between a fuel and an oxidizer.

A complete combustion reaction (complete combustion chemical reaction) is when all of the fuel is burned versus an incomplete combustion reaction, when some fuel remains unburnt.

In this complete complete combustion reaction (complete combustion chemical reaction) case, LPG (the fuel) reacts with oxygen (the oxidizer) in a combustion reaction (it burns) that generates heat  and light (exothermic).

A combustion reaction (combustion chemical reaction) visually may include flames and smoke.

The combustion reaction (combustion chemical reaction) burning equation (combustion formula) may also be produced water vapour, as is the case with the combustion of hydrogen and oxygen, as well as LPG.

A combustion reaction (combustion chemical reaction) will also produce non-visible gaseous by-products like carbon dioxide and carbon monoxide

Depending on the fuel, a combustion reaction (combustion chemical reaction) may also produce other gases.

Carbon Monoxide from Incomplete Combustion Reaction – Combustion Chemical Reaction

Natural gas or propane (LPG) appliances can produce carbon monoxide when they burn with an incomplete combustion chemical reaction (incomplete combustion reaction formula).

The result could be carbon monoxide poisoning which is why you should consider a carbon monoxide detector.

Properly functioning gas appliances, with a complete combustion chemical reaction (complete combustion reaction formula) produce little, if any, carbon monoxide.

Combustion of LPG: Complete Combustion Chemical Reaction and Incomplete Combustion Reaction of Propane

Propane – LPG – complete combustion or complete combustion reaction (combustion chemical reaction) burns within its limits of flammability.

The lower and upper limits of flammability are the percentages of LPG that must be present in an LPG/air mixture for a complete combustion chemical reaction – equation of complete combustion (complete combustion reaction formula).

This means that the burning equation formula (complete combustion formula) for propane (propane formula) is between 2.15% and 9.6% of the total LPG/air mixture must be LPG in order for it to to have complete combustion – a complete combustion reaction (combustion chemical reaction).

However, the optimal complete combustion reaction formula of propane (combustion reaction formula) mixture is 4% LPG/air.

So, the propane formula (complete combustion equation) for complete combustion is 4 parts LPG (propane) to 96 parts air.

With complete combustion (complete combustion reaction) of propane formula (formula for propane), the burner produces a blue flame yielding about 25 MJ/litre or 49 MJ/kg of heat.

So, richer mixtures of the propane chemical formula (propane formula), those closer to 9.6%, are likely to suffer from an incomplete combustion chemical reaction (incomplete combustion reaction formula).

A yellow flame, soot and excessive condensation are three physical signs of an incomplete combustion chemical reaction.

The natural gas – methane – limits of flammability are different, at 5.4% to 17%.

The optimal complete combustion chemical reaction (complete combustion reaction formula) mixture for methane is also different, burning equation (combustion formula) at approximately 10.42%.

Combustion of LPG: Complete Combustion Reaction Equation – Combustion Equation (Burning Equation) – Word Equation of Combustion – Combustion Chemical Reaction

Blue flame with complete combustion of LPGIn the combustion of LPG, complete combustion reaction equation – complete combustion equation (complete combustion reaction formula) – in the presence of enough oxygen, propane burns to form water vapour and carbon dioxide, as well as releasing about 25 MJ/litre or 49 MJ/kg of energy.

A complete combustion chemical reaction – equation of complete combustion (complete combustion reaction formula) yields a blue flame.

So, this is the propane formula (formula for propane) for complete combustion chemistry equation (complete combustion reaction formula) in both words and chemical formulas:

Combustion chemical reaction equation of complete combustion reaction or word equation of complete combustion formula of propane (combustion reaction equation): Propane + Oxygen → Carbon Dioxide + Water + Heat (about 25 MJ/litre or 49 MJ/kg)

Propane formula for complete combustion reaction formula for propane (complete combustion equation – burning equation) is: C3H8 + 5 O2 → 3 CO2 + 4 H2O + Heat

Incomplete Combustion Reaction Equation – Combustion Equation (Burning Equation) – Carbon Monoxide Formula

Yellow flames from incomplete combustionThe incomplete combustion reaction equation (combustion chemical reaction) or carbon monoxide formula of propane (combustion equation – burning equation) is: 2 C3H8 + 9 O2 → 4 CO2 + 2 CO + 8 H2O + Heat.

An incomplete combustion chemical reaction (incomplete combustion reaction formula) yields a yellow or reddish flame.

If not enough oxygen is present for a complete combustion reaction, an incomplete combustion chemical reaction occurs with carbon monoxide.

The result of an incomplete combustion chemical reaction (incomplete combustion reaction formula). is, once again, water vapour, carbon dioxide, heat and carbon monoxide.

Incomplete Combustion Reaction Formula for Propane – Word Equation of Combustion:

Incomplete Combustion Reaction Formula for Propane (combustion equation – burning equation): Gas + Oxygen = Water + Carbon Dioxide + Carbon Monoxide + Heat

Incomplete Combustion Reaction – Combustion Chemical Reaction, Carbon Monoxide Natural Gas & LPG

Either natural gas or propane (LPG) appliances can produce carbon monoxide, with an incomplete combustion chemical reaction (incomplete combustion equation).

Properly functioning gas appliances produce little, if any, carbon monoxide.

Preventing Carbon Monoxide (CO) from Incomplete Combustion Reaction – Combustion Chemical Reaction

Proper maintenance and installation are the key ways to prevent an incomplete combustion chemical reaction (incomplete combustion reaction formula) and carbon monoxide.

The products are formed when LPG is burnt in gas appliances or industrial applications are water vapour, Carbon Dioxide, heat, and usually very small amounts of Carbon Monoxide.

If installed and maintained correctly, the operation of the gas appliance provides quick and efficient heating, cooking, hot water and more, and the products of complete combustion reaction (combustion chemical reaction) do not create any hazardous situations.

If an appliance is not correctly installed and maintained or has been modified, the products of incomplete combustion chemical reaction (incomplete combustion reaction formula) might change, and become hazardous to the people around the appliance.

Something as simple as a ventilation change (blocking the fresh air to the appliance required for a complete combustion reaction (combustion chemical reaction) may cause a gas appliance to malfunction and create a hazardous incomplete combustion situation with an incomplete combustion reaction (combustion formula).

Sometimes it is obvious when a gas appliance malfunctions.

Sooty smoke, red or yellow flames or poor performance are indicators of an incomplete combustion chemical reaction (incomplete combustion reaction formula), but sometimes no incomplete combustion indicators are obvious.

If Carbon Monoxide (CO) is produced through incomplete combustion chemical reaction (incomplete combustion reaction formula) and escapes the appliance into the surrounding air, it will not be obvious (no smell and no taste) but will be very dangerous.

Incomplete combustion reaction is why a carbon monoxide detector is a wise precaution.

Even if it never activates it provides peace of mind.

It is essential that gas appliances are correctly installed and serviced every two years, to avoid incomplete combustion chemical reaction (incomplete combustion reaction equation), or as indicated by the manufacturer, to maintain a good complete combustion chemical reaction (complete combustion reaction formula) and safe efficient operation.

Propane Formula – Formula for Propane

Propane Chemical Formula – Chemical Formula Propane

Propane Molecular Formula (Molecular Formula Propane)

The propane chemical formula (propane molecular formula) is C3H8

The propane formula (formula for propane) means each molecule of propane consists of three carbon atoms and eight hydrogen atoms.

Propane Structure – Propane Structural Formula- Structure Propane

Propane structural formula (propane structure) can also be written as CH3CH2CH3  

Propane Molar Mass – Molar Mass of Propane

Molecular Mass of Propane – Propane Molecular Mass

The molar mass of propane (propane molar mass) C3H8 is approximately 44.1 g/mol.

The molecular mass of propane (propane molecular mass) is calculated by totalling the molar mass of three carbon atoms (3 x 12.01 g/mol) and eight hydrogen atoms (8 x 1.008 g/mol). 

What about the Ethyl Mercaptan?

Ethyl Mercaptan is the odourant added to LPG, for safety.

When Ethyl Mercaptan burns in air, the products are CO2, H20 and SO2 (combustion formula).

The SO2 is an irritating compound that is unpleasant in most concentrations.

It is part of city smog.

Other sulphides are unlikely to form.

There are minute amounts of Ethyl Mercaptan in the LPG vapour on complete combustion (complete combustion reaction formula).

So, the amounts of these products formed are minimal when compared to the total combustion reaction products.

Gas Appliances Maintenance

Good maintenance helps ensure a proper complete combustion chemical reaction (complete combustion reaction formula) and minimal CO generation.

Most gas appliance manufacturers recommend routine maintenance every 12 or 24 months.

This can vary by manufacturer and appliance model.

It is important that your gas appliances are only service by qualified technicians.

In most cases, this means a licensed gas fitter or a factory technician.

Key incomplete combustion chemical reaction (incomplete combustion reaction formula) warning signs that your gas appliance requires servicing are a yellow or red flame, a flame with a yellow burning tip.

Yellow/brown soot, pilot lights that blow out, acrid smells and eye irritation are also indications of an incomplete combustion chemical reaction (incomplete combustion reaction equation).

The exceptions to this are gas fireplaces and gas log fires that have yellow flames by design.

The above signs may be indications of an incomplete combustion chemical reaction (incomplete combustion reaction formula).

The result is that you could be wasting gas and/or generating carbon monoxide.

If you observe any of the aforementioned incomplete combustion reaction warning signs, you should schedule a service ASAP.

Using Approved Appliances and Gas Fitters

Australian Gas Association appliance certification labelsAustralia has some of the most stringent standards on gas appliance combustion reaction emissions.

This makes our indoor gas heaters very safe to use.

The gases of primary concern are CO (carbon monoxide) and NOX (nitric oxide and nitrogen dioxide).

These gases can be produced during combustion reaction (combustion formula) or incomplete combustion chemical reaction (incomplete combustion reaction formula).

Indoor gas heaters must meet or surpass these strict combustion reaction standards, for Australian certification.

Only buy or use Australian tested, certified and labelled gas appliances.

Other countries have their own certification systems.

Make sure a licensed gas fitter installs your gas appliances and that you have adequate ventilation.

Finally, when you use your gas appliances, always read and follow the manufacturer’s instructions.

Don’t Use Outdoor Gas Heaters Indoors

outdoor gas radiant heaterThe same requirements are not applicable to outdoor heaters and appliances.

They are intended for outdoor use, with unrestricted ventilation.

An incomplete combustion chemical reaction (incomplete combustion reaction formula) would not be a problem with unrestricted ventilation.

So, they are not required to meet the indoor heater combustion reaction emission standards.

This includes heaters, BBQs, pizza ovens and all other outdoor appliances.

If a gas appliance is marked for outdoor use only, do not use it indoors.

This includes semi-enclosed areas without adequate ventilation.

Never use an outdoor gas appliance indoors.

Detecting Carbon Monoxide & Symptoms of Carbon Monoxide Poisoning Symptoms

Carbon monoxide, produced during an incomplete combustion chemical reaction (incomplete combustion reaction formula) is colourless, odourless and tasteless.

CO is a bit less dense than air, so it rises.

It is toxic when encountered in concentrations above about 35 ppm.

It is lethal in 30 minutes at 4,000ppm.  It drops to 5 minutes at 5,000ppm.

Carbon monoxide poisoning symptoms include:

Signs of carbon monoxide poisoning

  • Headaches
  • Nausea
  • Dizziness
  • Shortness of breath
  • Light-headedness and loss of consciousness

Stop using the gas appliance immediately, if you experience any of these incomplete combustion chemical reaction symptoms.

Move to an area where you can breathe fresh air and seek medical attention.

If you smell gas, it is not carbon monoxide, it is the odourant added to natural gas or LPG.

You should immediately deal with the leaking gas.

Turn off the gas and ventilate the room, if safe to do so.

The best way to detect carbon monoxide is with a carbon monoxide detector.

You can buy these from hardware stores, as well as from online merchants.

At the time of this writing, at least one major hardware chain and various online merchants had a choice of models, for under $50 each.

Final Thoughts on Complete Combustion Reaction and Incomplete Combustion Reaction – Combustion Chemical Reaction

When used and maintained according to the manufacturer’s guidelines, with complete combustion chemical reaction (complete combustion reaction formula), gas appliances are very safe.

So, make sure you observe the maintenance schedule, as recommended by the appliance manufacturer to avoid an incomplete combustion chemical reaction (incomplete combustion reaction formula).

Also remember to never use outdoor gas appliances indoors.

There is nothing like the warmth you get from a gas heater, the fun of cooking with gas or the beautiful warmth of a gas fireplace.  Enjoy!

 

Frequently Asked Questions – FAQs and Terminology

Combustion reaction - What is a combustion reaction? - Combustion reactions

Combustion Reaction – What is a combustion reaction? – Combustion Reactions

A combustion reaction is where a combustible substance, called the fuel, reacts swiftly with an oxidant, typically oxygen contained in air.

A complete combustion reaction typically takes place when there is an abundant supply of oxygen available.

The fuel for combustion reactions can be solid, liquid, or gas.

It is an exothermic chemical reaction at high temperature.

Combustion reactions produce heat, light, and oxidation products like carbon dioxide and water.

Examples includes cooking or heating with gas, lighting a match or operating an internal combustion engine.

This reduction-oxidation (redox) process is also known as “burning.

Incomplete Combustion - Incomplete Combustion Equation - Equation of Incomplete Combustion - Incomplete Combustion Reaction - What is Incomplete Combustion?

Incomplete Combustion – Incomplete Combustion Equation

Equation of Incomplete Combustion – Incomplete Combustion Reaction

What is Incomplete Combustion?

Incomplete combustion is a combustion reaction where the fuel does not completely burn due to an insufficient oxygen supply.

Instead of producing just heat, light, and oxidation products like carbon dioxide and water, it also produces byproducts like carbon monoxide and soot (solid carbon particles), whilst releasing less exothermic energy than complete combustion.

This process is usually considered undesirable, as it produces carbon monoxide, which is toxic, and the soot generation requires more frequent maintenance.

It is also less efficient, wasting unburnt fuel and not releasing all of the energy contained in the fuel.

Incomplete combustion is characterized by a yellow or orange flame instead of a blue flame.

Combustion of Methane (CH4)

Combustion of Methane (CH4)

  • Word equation: Methane + Oxygen → Carbon Dioxide + Water
  • Chemical equation: CH4 + 2O2 → CO2 + 2H2O

Burning Equation - Combustion Formula - Combustion Chemical Formula

Burning Equation – Combustion Formula – Combustion Chemical Formula

The general balanced equation for the complete combustion of a hydrocarbon is:

CxHy + (x + y/4) O→ xCO2 + y/2H2O. This shows that a fuel (a hydrocarbon containing carbon and hydrogen) reacts with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O), along with energy

General equation

Word equation: Fuel + Oxygen → Carbon Dioxide + Water + Energy

Chemical equation (for hydrocarbons): CxHy + (x + y/4)O2 → xCO2 + y/2H2O

Combustion of Methane (CH4)

Word equation: Methane + Oxygen → Carbon Dioxide + Water

Chemical equation: CH4 + 2O2 → CO2 + 2H2O

General chemical equation for a hydrocarbon

General chemical equation for a hydrocarbon

CxHy + (x + y/4) O2 → xCO2 + y/2 H2O

Chemical Reaction of Combustion

Chemical Reaction of Combustion

A chemical reaction of combustion is a fast, high-temperature reaction between a fuel and an oxidiser (like oxygen) that produces heat and light.

It is an exothermic reaction can be a self-sustaining reduction-oxidation (redox) process, where the fuel is oxidised, and the oxidiser is diminished.

Examples include the burning of fuels like LPG or gasoline, both of which are hydrocarbons, releasing energy for applications like heating, cooking, and fueling engines.

General chemical reaction of combustion equation for a hydrocarbon

CxHy + (x + y/4) O2 → xCO2 + y/2 H2O

Complete combustion

Complete combustion

  • Definition: Occurs when a fuel reacts with a plentiful supply of oxygen. 
  • Products: Carbon dioxide (CO2) and water (H2O)
  • Equation (for methane): CH4 + 2O2 → CO2 + 2H2O
  • Characteristics:
    • Large amount of energy released
    • Burns with a clean, blue flame
    • No carbon monoxide or soot (unburnt carbon particles) are produced

Combustion Reactions - What is a Combustion Reaction? - What is the Combustion Reaction?

Combustion Reactions:

What is a Combustion Reaction? What is the Combustion Reaction? What are Combustion Reactions?

A combustion reaction is a high-temperature, exothermic chemical process where a material reacts briskly with an oxidiser, usually oxygen, to produce heat and light.

This type of reaction is a reduction-oxidation (redox) reaction.

It is critical for energy production, evident in everything from cooking and heating to internal combustion engines and electricity generation.

For hydrocarbons, complete combustion occurs when oxygen is plentiful and yields carbon dioxide (CO2) and water (H2O).

Incomplete combustion occurs with inadequate oxygen and can produce carbon monoxide (CO) and soot.

Key characteristics of combustion

  • Exothermic: Energy is released in the form of heat and light.
  • Reduction-Oxidation (redox) reaction: It involves both reduction (gain of electrons) and oxidation (loss of electrons).
  • Requires an oxidiser: Oxygen is typically the oxidiser.
  • Typically requires starting energy: A flame or spark is typically needed to begin the reaction.
  • Combustion can be fast or slow: The rate of combustion depends on variants like the reactants and conditions. Fast combustion can be an explosion, while slow combustion is more like burning.

Types of Combustion

  • Complete combustion
  • Incomplete combustion

Word Equation of Combustion

Word Equation of Combustion

The word equation for combustion:

 Fuel + Oxygen → Carbon Dioxide + Water + Energy

For complete combustion, the fuel (often a hydrocarbon) reacts with oxygen to produce carbon dioxide, water, and a substantial amount of energy in the form of heat and light. 

  • Fuel: A combustible substance, such as wood, LPG (C3H8), or natural gas CH4
  • Oxygen: The oxidiser is usually oxygen from air
  • Substances Formed:
    • Carbon Dioxide CO2: A non-flammable gas 
    • Water: Produced as water vapour due to the high temperature of combustion
    • Energy: Discharged as heat and light. 
    • Example: Complete combustion is the burning of methane: 

                    Methane + Oxygen → Carbon Dioxide + Water + Energy

Combustion and Incomplete Combustion

Combustion and Incomplete Combustion

Complete combustion

Complete combustion occurs when a fuel reacts with a plentiful supply of oxygen.

Products of complete combustion include Carbon dioxide (CO2) and water (H2O)

  • Equation (for methane): CH4 + 2O2 → CO2 + 2H2O
  • Characteristics:
    • Large amount of energy released
    • Burns with a clean, blue flame
    • No carbon monoxide or soot (unburnt carbon particles) are produced

Incomplete Combustion – Incomplete Combustion Equation

Equation of Incomplete Combustion – Incomplete Combustion Reaction

What is Incomplete Combustion?

Incomplete combustion is a combustion reaction where the fuel does not completely burn due to an insufficient oxygen supply.

Instead of producing just heat, light, and oxidation products like carbon dioxide and water, it also produces byproducts like carbon monoxide and soot (solid carbon particles), whilst releasing less exothermic energy than complete combustion.

This process is usually considered undesirable, as it produces carbon monoxide, which is toxic, and the soot generation requires more frequent maintenance.

It is also less efficient, wasting unburnt fuel and not releasing all of the energy contained in the fuel.

Incomplete combustion is characterized by a yellow or orange flame instead of a blue flame.

Combustion Reaction Examples

Combustion reaction examples are everyday burning processes like a lit candle, an internal combustion engine running on gasoline, or a campfire, where a fuel (like wax, hydrocarbons, or wood) rapidly reacts with oxygen to produce heat, light, carbon dioxide, and water (for hydrocarbons).  

Reactants: Fuel + Oxygen.

Always exothermic, releasing heat and light.

Other Common Examples 

Wood Fireplace: Wood (fuel) burns with oxygen to release heat and light, producing ash, smoke (CO2), and water vapor.

Car Engine: Gasoline (a hydrocarbon) combusts with oxygen to power the vehicle.

Gas Stove: Natural gas (methane) burns to heat your food.

Fireworks: Metal compounds react with oxidizers in a rapid combustion to create colours and light.

Candle: Wax vaporizes and burns with oxygen, emitting light and heat. 

Chemical Examples (Hydrocarbons):

Methane (Natural Gas): CH4+2O2→CO2+2H2O (releases energy)

Propane (LPG): C3H8+5O2→3CO2+4H2O (provides heat). 

Combustion Reaction - What are combustion reactions?

Combustion reactions are rapid, high-temperature chemical processes where a fuel (frequently a hydrocarbon like wood, gas, or oil) reacts with an oxidant, typically oxygen (O2), to discharge significant energy as heat and light (flame).

It also produces oxidized products, typically carbon dioxide (CO2) and water (H2O) for organic fuels.

They are highly exothermic (energy releasing) redox (oxidation-reduction) reactions that power many things, from engines to heating, and requiring fuel, oxygen (or other oxidiser), and an ignition source to begin, then becoming self-sustaining.

Example of Combustion Reactions:

Methane (CH4+2O2→CO2+2H2O)

Types of Combustion Reactions

Complete Combustion: Occurs with ample oxygen, producing only CO2 and H2O.

Incomplete Combustion: Occurs with restricted oxygen, producing carbon monoxide (CO) and soot (carbon), which are both potentially harmful.

Importance:

Combustion reactions are fundamental for generating power, heating, cooking, and transportation.

However, the release of CO2 from fossil fuels contributes to climate change.

Combustion Chemical Reaction

A combustion chemical reaction is a rapid, high-temperature exothermic reaction between a fuel and an oxidiser (typically oxygen).

It releases considerable energy as heat and light, often creating a flame.

When hydrocarbons are the fuel (like those in LPG, natural gas or wood) burn, they typically produce carbon dioxide (CO2) and water (H2O) with complete combustion.

However, if insufficient oxygen is available, incomplete combustion will result, yielding carbon monoxide (CO) and soot (carbon) in addition to the CO2 and H2O.

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Eric Hahn

Steve Reynolds

Technical Consultant

Steve Reynolds is a leading expert in the LPG industry with over 22 years of experience. As part of the national management team at ELGAS, Steve ensures the safe and efficient storage, handling, and transportation of LPG. He serves as the lead investigator for incidents and collaborates with authorities on industry developments.

Steve is a technical advisor to Standards Australia and Gas Energy Australia (GEA), and an active member of the World LPG Association (WLPGA), contributing to global standards and technical reviews. He holds a BSc. (Hons) in Industrial Chemistry from UNSW and has held senior safety and technical roles at ELGAS, making him a trusted authority in LPG safety and standards.