Activated carbon for controlling gas components

Abstract

Provided is an activated carbon for controlling natural gas components wherein the volume of pores having a pore diameter of 2.0 nm is 0.5 ml/ml or more per unit volume in the differential pore size distribution determined by the BJH method from a nitrogen adsorption isotherm, and the value obtained by subtracting the volume of pores at a pore diameter of 2.0 nm per unit volume from the volume ofpores at a pore diameter of 3.0 nm per unit volume is 0.075 ml/ml or more in the integral pore size distribution determined by the BJH method from a nitrogen adsorption isotherm.

Description

technical field [0001] The invention relates to an activated carbon used for adjusting gas components with large energy capacity such as natural gas, and particularly relates to an activated carbon used for adjusting butane. Background technique [0002] In recent years, demand for natural gas as a fuel resource is increasing due to environmental problems and the like. Although natural gas varies depending on the place of production, it is generally composed of methane as the main component, and the rest contains fuel gases such as ethane, propane, and butane. Natural gas is attracting attention as a green energy from the estimated burial amount that is about twice that of petroleum, and from the fact that the emission of carbon dioxide is small compared to the amount of heat generated. [0003] In particular, demand for butane gas (mainly used in petroleum furnaces and liquefied gas lighters) is expanding due to factors such as being a gas at room temperature and atmospher...

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Problems solved by technology

[0005] However, both methods have problems from the viewpoint of equipment cost and efficiency, so a method for storing natural gas at a high density in an adsorbent is being developed (Japanese Patent Application Laid-Open Publication No. 49-104213, Japanese Patent Application Laid-Open Hei 6- Bulletin No. 55067, etc.)

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