«Equipment and technologies for oil and gas complex»

Some aspects of energy efficiency of methane-hydrogen mixtures compression

UDC: 662.691.4
DOI: 10.33285/1999-6934-2023-2(134)-80-85

Authors:

¹ National University of Oil and Gas "Gubkin University", Moscow, Russia
² NewTech Services, Moscow, Russia
³ Technological Institute for Superhard and Novel Carbon Materials, Moscow, Russia

Keywords: hydrogen energy, hydrogen transportation, methane-hydrogen mixture, main gas pipeline, gas pumping unit, energy output, economic efficiency

Annotation:

The hydrogen technologies large-scale implementation requires solving the problems associated with its transportation. One of the actively discussed solutions of this problem is its transportation, as part of a methane-hydrogen mixture, through the existing system of main gas pipelines. The expediency, technical feasibility and economic efficiency of such an approach are widely discussed in numerous scientific articles of scientists and specialists. This article presents the results of calculating the energy characteristics of the GPA-C-16 with the NK-16ST gas turbine engine and the NC-16/76-1.44 centrifugal supercharger when they work with methane-hydrogen mixtures of different hydrogen concentrations for two scenarios of natural gas transportation: with constant volumetric flow and constant energy consumption. Based on the data obtained, the difference in the energy value of the compressed gas is shown depending on the hydrogen share in the mixture, and the upper limit of the hydrogen concentration in the methane-hydrogen mixture is determined while maintaining the specified caloric content of the transported raw materials.

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