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What is LPG? Liquefied Petroleum Gas - Propane

LPG – Liquefied Petroleum Gas – describes flammable hydrocarbon gases including propane, butane and mixtures of these gases.

LPG, liquefied through pressurisation, comes from natural gas processing and oil refining.LPG is used as heating, cooking and auto fuel.

In different countries, what is supplied can be propane, butane or propane-butane blends. 

In Australia, LPG is just propane.  Propane is LPG but not all LPG is propane.

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LPG Composition & the Properties of Propane

LPG Composition

LPG composition is primarily propane, butane, isobutane and mixtures of these gases.

LPG – Liquefied Petroleum Gas – is produced during natural gas processing and petroleum refining.

LPG exists as liquid or gas (vapour), depending on pressure and temperature.

Natural Gas Liquids – NGL – include ethane, ethene, propene, isobutene, butadiene, pentane, pentene and pentanes plus, as well as propane, butane and isobutane.

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Does Gas Heating Produce Carbon Monoxide?

Does propane heat give off carbon monoxide?

Carbon monoxide – CO – is a toxic gas.

Properly functioning gas appliances only produce small amounts of carbon monoxide.

Natural gas or propane (LPG) appliances can produce greater amounts of carbon monoxide when they burn with incomplete combustion.

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How BBQ Gas Bottles – Propane Tanks – Are Made

The manufacturing of BBQ gas bottles – propane tanks – requires excellent quality control to assure long life and safe use.

Most users expect a minimum of 20 years of use, so premium materials and quality manufacturing are a must.

But how are they made?

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Can and Does Propane Freeze? (Does LPG Freeze)

Yes, propane (LPG) can freeze… at -306.4°F (-188 °C).

Does propane freeze? 

Given the extremely low freezing temperature, liquid propane never freezes outside of a laboratory situation.

Then how does frost and Ice appear on propane tanks (LPG cylinders), regulators and fittings?

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Recall Notice - Rinnai Symmetry Inbuilt Fireplace

A Product Saety Recall notice has been issued for Rinnai “Symmetry” inbuilt gas log effect space heaters as pictured below, models RDV3610ETR and RDV3611ETR made from 2010 onwards.

Other Rinnai gas heaters are not affected.

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Weight of Full & Empty LPG Gas Bottles

What is the weight of full and empty propane tanks?

Knowing the weight of full and empty propane tanks – LPG gas bottles – is important.

It is arguably the best way to determine how much gas is left.

Full Weight = Empty (Tare) Weight + Weight of the Contents.

Weight of LPG (Contents) = Full Weight - Empty Weight

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Natural Gas Alternative: Synthetic Natural Gas - SNG

With the looming potential for natural gas shortages and price escalations, large natural gas users need to examine the alternatives.

There is a substitute called Sythetic Natural Gas, but what is it and how do you make it?

Learn more about this flexible solution…

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Calculate LPG - Propane Consumption per Hour by Burner Size

LPG (propane) consumption is based on the burner size or sizes of the appliance, as some have more than one burner.

All gas appliances are rated by the manufacturers for gas consumption.

They are expressed in either MJ/hr or BTU/hr, depending on which country you live in.

The ratings are typically found in the product specifications.

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Mystery of the Secret Stench

For most of us, the scent of something rotting is simply repulsive.

But for others, such as carrion-feeding vultures, hyenas and house flies, it’s a scent that means meal time!

One evening, having arrived home from a long and tiring day at the office, I was greeted at my front door by a strong but unfamiliar odour. I couldn’t quite put my finger on it…

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