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Feasibility study of “CO2-free hydrogen energy supply chain” utilizing Australian brown coal linked with CCS.

Number: pap. n. 078

Author(s) : INOUE K., YOSHINO Y., KAMIYA S., et al.

Summary

Efforts to reduce CO2 emissions have been accelerated all over the world in an attempt to move toward a low-carbon society. The authors have investigated feasible measures to reduce CO2 emissions and have concluded that introduction of new fuels with near-zero CO2 emissions is required to achieve Japan’s commitment of 80% CO2 reduction by 2050. Although it was originally thought that nuclear power is promising in this regard, it is difficult to increase nuclear power at the moment, especially in Japan. Although much attention has been paid to renewable energies like solar or wind power, these problems concerning the stability and mass supply still exist. Therefore, they have moved forward with focus on hydrogen. The use of hydrogen will not produce CO2 emissions, and the production of hydrogen produces limited CO2 emissions. In this context, the authors aim to realize a CO2-free hydrogen chain utilizing Australian brown coal linked with CCS (carbon capture and storage). Australia has abundant resources of unused brown coal and the Federal Government of Australia and the State Government of Victoria actively encourage effective use of brown coal. Simultaneously, they energetically promote plans for a CO2 storage hub (Carbon Net), led mainly by Victoria. This enables stable, economic production of CO2-free hydrogen. In a CO2-free hydrogen chain, hydrogen is produced from brown coal in Australia and then the hydrogen is liquefied and transported to Japan by a liquid hydrogen carrier. It is the world’s first attempt to transport massive amounts of liquid hydrogen across the ocean. The authors have conducted a feasibility study on the CO2-free hydrogen chain at a commercial scale and the results show that this chain concept is technically and economically feasible.

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Pages: 183-187

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Details

  • Original title: Feasibility study of “CO2-free hydrogen energy supply chain” utilizing Australian brown coal linked with CCS.
  • Record ID : 30006524
  • Languages: English
  • Source: Cryogenics 2012. Proceedings of the 12th IIR International Conference: Dresden, Germany, September 11-14, 2012.
  • Publication date: 2012/09/11

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