Process Flow Diagram Lng

At atmospheric pressure lng has a temperature of about 162ºc lng contains about 85 95 methane lng is colorless odorless non corrosive and non toxic evaporated lng can displace oxygen and cause human suffocation flammability range 5 15 vol concentration in air autoignition temperature 540 c 5 lng is a cryogenic liquid.
Process flow diagram lng. Lng takes up about 1 600th the volume of natural gas. Lng has been exported to over 25 countries and the list is growing. For your information small lng regasification is very useful to be built in remote location where power supply is very limited. Today i want to share you typical process diagram for small lng regasification.
Hammerfest lng plant block flow diagram slug catcher inlet facilities metering co2 removal de hydration mercury removal natural gas liquefaction lpg storage condensate storage meg. Dmr process has less equipment and allows a wider range of operating conditions than c3mr dmr process has more exploitable power than c3mr dmr has more specific capacity than c3mr process apci shell pwaga dmr process cost comparison refrigerant flow rate lng gabriel castaneda p e. A process flow diagram for the ocp is shown in fig. The following video explains the natural gas process and value chain by following a multi step sequence that takes natural gas from the ground all the way into a power plant.
The optimized cascade process ocp is a simple and reliable technology. Origin of natural gas natural gas exists in nature under pressure in rock reservoirs in the earth s crust either in conjunction with and dissolved in heavier hydrocarbons and water or by itself it is produced from the reservoir similarly to or in conjunction with crude oil natural gas has been formed by the degradation of organic matter accumulated in the past millions of. Typical process diagram for small lng regasification part 1 august 2 2016 december 18 2018 rifka aisyah lng. Liquefied natural gas lng is natural gas that has been cooled to 260 f 162 c changing it from a gas into a liquid that is 1 600th of its original vo.
In this process three pure component refrigerants namely propane ethane and methane are used at different pressures during the refrigeration and liquefaction processes. Bv 2009 about lng liquefied natural gas is natural gas primarily composed of methane which has been converted to liquid form for ease of storage and transport. Lng around the world. Lng lng flash tank lng lng lng liquefied methane gas to sub cooler j t expander bypass valve compressor anti surge valve main cryogenic heat exchanger on site ccgt power plant provides electric power for compressor drives and steam for heating processes lng liquefaction process flow diagram pure refrigerant cascade liquefaction process.