Liquefied petroleum gas is a kind of petroleum gas. It usually refers to the kind of petroleum gas that is in a gas state under normal temperature and pressure, but is easily liquefied with a little pressure.

　　1. What is liquefied petroleum gas?

　　Liquefied petroleum gas is a kind of petroleum gas. It usually refers to the kind of petroleum gas that is in a gas state under normal temperature and pressure, but is easily liquefied with a little pressure.

　　2. What is the saturated vapor pressure of LPG? What is the effect of temperature on the saturated vapor pressure of LPG?

　　The saturated vapor pressure of liquefied petroleum gas refers to the vapor pressure when the liquefied petroleum gas reaches a gas-liquid two-phase equilibrium state in a closed container at a certain temperature. The saturated vapor pressure of liquefied petroleum gas changes with temperature. As the temperature increases, the vapor pressure also increases. In addition, the vapor pressure of liquefied petroleum gas is related to the composition, and different components have different vapor pressures. When the temperature increases by 1℃, the steam pressure increases by about 0.02-0.03MPa. For example, the saturated vapor pressure of pure propane is about 0.47 MPa at 10°C, increases to 0.83 Mpa at 20°C, and increases to 1.8 Mpa at 50°C.

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