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As you use the tank, the pressure inside goes down. As the pressure drops, the temperature also drops because of something called the Ideal Gas Law (see the "Ideal Gas Law" Related Questions linked the left of this answer). Ice forms on the tank because water moisture in the atmosphere is condensed on the cold tank and then frozen.

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โˆ™ 2007-05-28 22:40:16
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Q: Why does a propane tank get covered in ice after being used?
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Can you sell a used propane tank?

There are many places that will buy used propane tanks. However, there are also places you can exchange the tank for a new one for a reduced price. If you use propane for grilling, it is cheaper to do a tank exchange then to sell the tank and buy a new one.

How long will a 100 lb propane tank last with only using for gas log fireplace?

Depends on usage of fireplace. Have propane tank topped off monthly to figure out how much gas being used. Either that, or wait until tank is empty.

How many hours will a propane generator run after the power goes out?

The factors that determine how long a propane generator can run are the size of the propane tank, the size of the generator, the brand of generator, and what is being used under the generator's power.

Does any brand of propane work for my new BBQ grill?

There is only one type of propane that can be used for your BBQ. If you go to any store that sells propane for BBQs you will be able to purchase a tank of propane. However since this is the first time you will be connecting your BBQ to a propane tank you have to make sure that you have the right fittings and hose to connect to the tank.

What are propane tanks used for?

Storing propane. The tank can be attached to various appliances as a source of combustion fuel. Barbecue grills commonly use propane tanks.

Can a propane regulator be used with an acetylene tank?

yes it can but apparently isn't ideal. we run acetylene regs on our propane torch.

Does PRESSURE in a propane tank without propane have any weight?

Very little. When using propane the liquid is constantly being converted to the vapor that is used. When the liquid that weighs $.24 pounds per gallon is gone the vapor will last only a short time.

Can a used propane tank be used to make a barbecue cooker?

in short yes, I made a portable grill out of a 20lb tank it works great

Where can you sell used propane tank?

Propane tanks are to be dropped off at a recycling center when they are no longer needed. people exchange empty propane tanks for filled ones at many stores.

How hot does propane torch burn?

A propane torch is a tool for burning the flammable gas propane. The maximum adiabatic flame temperature a propane torch can achieve with air (3,623 °F). Some propane torches are also used with a tank of pure oxygen.

What is a 18000 gallon propane tank worth?

about 8k used Ya for scrap. If its a good usable tank its $1 per gallon

Where can I find propane tank prices online?

There are several places to buy propane tanks on-line:,, Canadian tire and Wal-Mart. You can also check Craig's list if you don't mind a used tank.

How do you recover propane from a used propane tanks?

Most of the time propane can be pumped from a tank. As long as there is a liquid port on the tank. The problem with getting a refund or credit for the propane is almost never worth it. This operation will need a propane bobtail and uselly a second truck with a vapor pump (used to raise the pressure in the tank and force it into the truck) Only qualified people can preform this task. A propane company will only pump a tank if it has a problem that has become a safety issue. Cost involved for the dealer two people two trucks, (time and mileage) Two hours minimum. Remember the dealer has already incurred the cost of the delivery so your not going to get a full refund.

Does cold affect propane?

Yes and no. Propane is very nonreactive by itself (except when burned in oxygen). The temperature that propane is at doesn't effect it's properties. Also, propane has a very low freezing point (-188°C) so it won't freeze when it gets cold. However, when using propane for a stove, etc., cold can affect how well it works. A propane tank is full of liquid propane under pressure. When it is being used, the liquid first has to vaporize to a gas, where it can then be burned. Because it takes a lot of heat for the liquid to vaporize into a gas, cold weather can slow down the flow. If this is a problem, the propane tank can be placed in a bucket of lukewarm water so that heat is available for the propane to vaporize.

How far away from your house does your propane tank used to heat and cool your house need to be?

10 feet.

Will a 20 lb propane tank lose its potency if not used for 6 months?

Not unless it's leaky.

What gas are used in tour balloon?

They use propane to heat regular air in the balloon. \The canopy of the balloon only holds heated air, the propane is held in a tank and is only used to create heat.

What is a propane vaporizer?

Propane vaporizers are used to supply high demand appliances that utilize propane vapor for combustion. Vaporizers use an external heat source to heat liquid propane at a rate that exceeds the vaporization capacity of the tank.

What gas is used in a bbq tank?

Depending on the regulator valve of the barbeque, it can be either propane or butane. Propane seems to be the most common these days. Source:

Is ethyl mercaptan toxic used in propain tank for water?

That is not a very clear question. Are you asking if the materials left in a propane tank could be toxic if you use the tank for water? If so, then the answer is yes, but you are not going to be having a lot of ethyl mercaptan. An old propane tank can contain a significant amount of hydrocarbons, usually in the gasoline and diesel boiling point range.

What is Propyne used for?

Propane?? Well, propane is used as a fuel

How long will a 30000 btu convection heater last on a 20lb tank?

The MH80CV, part of the Mr. Heater Contractor Series, is a 30,000-80,000 BTU Propane Convection heater. The MH80CV provides reliable heat for areas up to 1900 sq. feet. It will operate for up to 14 hours on a 20-lb propane tank. The MH80CV features a standing pilot, piezo push-button ignition, and 'insta-lock' chamber for easy assembly. The MH80CV comes ready to use with the included hose and regulator. It operates on a 20-lb or larger propane tank (not included).There are a couple of other factors that may effect the time a 20 pound cylinder will last on a heater. Propane is stored in liquid form in the tank and must evaporate to be used in most heaters. The colder the temperature the propane tank is stored at the lower the pressure is in the tank. As the liquid propane evaporates it cools down the liquid propane still in the tank. As a result at minus -20 you might have a half full twenty pound tank and not have enough pressure to run the heater.

How much propane does a propane hot water heater use in a day?

the amount used with vary with different models of propane heaters, the volume of water being heated, and the amount of hot water used by the household.. the answer is not definative, but you might be able to get a rough idea by "googling" the manufacturer...

Is there poison leftover in a used propane hose?

No, just propane.

What are facts about propane?

Propane pollutes the air around us. Propane is used as fuel and in chemical synthesis. Also propane is a nonrenewable gas.