Improvement of the technological complex producing carbon black for the conversion of off-gases into commercial hydrogen (on the example of the Sosnogorsk gas processing plant)
UDC: 665.632.071.7
DOI: 10.33285/1999-6934-2023-2(134)-20-26
Authors:
BOREIKO DMITRY A.
1,
BELYAKOV EVGENY V.1,2,
LITIN VALERY D.2,
SERIKOV DMITRY YU.3
1 Ukhta State Technical University, Ukhta, Russia
2 Sosnogorsk gas processing plant, Sosnogorsk, Russia
3 National University of Oil and Gas "Gubkin University", Moscow, Russia
Keywords: hydrogen, gas processing plant, pyrolysis, hydrogen-containing gas, gas adsorption, pressure swing adsorption unit, membrane unit
Annotation:
The article analyzes the existing problem of gas processing industries in Russia – the utilization of by-product off-gases that appear during the pyrolysis process in afterburners, the component composition of which contain up to 90 % of potentially valuable hydrogen, being a cleaner alternative to the traditional type of fuel and containing 2,7 times more energy than natural hydrocarbon fuels. In addition to the prospects for using hydrogen as an energy carrier, there exist other industries in which hydrogen is an integral part: ammonia synthesis, metallurgy, and food industry. The article overviews the existing domestic installations for off-gases separation at a gas processing plant in order to obtain a new type of fuel – hydrogen. Possible solutions for the diversification of the Sosnogorsk gas processing plant production as well as their various combinations, taking into account the characteristics of the existing gas separation technology, are proposed, using the example of introducing a pressure swing adsorption unit and a membrane facility to deepen the processing of the entire raw material base of the plant. The theoretical parameters of the pressure swing adsorption unit and the membrane unit are compared as well as the advantages and disadvantages of both technologies. The rational use of hydrogen-containing gas is recommended for the development of new types of commercial products and their entry into promising markets in order to increase the economic effectiveness of the Sosnogorsk gas processing plant.
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