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Q: What 10 products are made from natural gas?
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How to convert 10 ppm mole of H2O to ppm wt in natural gas?

10 ppm mole multiply by molecular weight of water then divided by sample density


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How does the air gas mixing chamber of a fireplace log lighter work?

The gas orfice when operating creates a vacuum drawing combustion air into the burner. This is the reason that gas pressures vary between types. Natural gas appliances operate at a nominal 3.5" wc pressure, while LP appliances run 10-11" wc. Natural gas has about 1000 btu's per cubic foot, while LP gas has about 2500. As an example, if you were to reduce the manifold pressure of LPG, you would have an oxygen starved mixture that would not burn properly. lc


Air fuel ratio for complete combustion of propane?

Common fuelsWhen the composition of a fuel is known, this method can be used to derive the stoichiometric air-fuel ratio. For the most common fuels, this, however, is not necessary because the ratios are known:Gasoline: 14.7Natural gas: 17.2Propane: 15.5Ethanol: 9Methanol: 6.4Diesel: 14.6


How much the oxygen content of liquefied natural gas is safe?

To answer this correctly, you need to know what the most dangerous concentration of oxygen with natural gas is. Natural gas can only be ignited in a concentration of 10 to 12% oxygen. Too much it won't ignite (the gaseous form of gas would be too diluted to ignite and sustain a flame), and too little it won't ignite, it needs oxygen. Now if the gas is liquefied, it will not mix well with oxygen, which is still gaseous (it boils at -183F), such that any natural gas boiling off the liquid will, in all likelihood, mix with any gaseous oxygen in that concentration until it becomes an explosive mixture. All natural gas tanks (bulk storage only) are vented to allow a small amount of gas to evaporate off, producing a cooling effect on the tank, and lowering the pressure required to maintain the gas in the liquid form. This venting and cooling also serves to remove any dissolved oxygen from the LNG and vents it to the atmosphere. Bottom line, no oxygen mixed with LNG is safe. Levels must be kept to a minimum to prevent explosions.