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IIR document

A novel approach for safe design of a cryogenic bio-methane purification unit.

Number: pap. n. 40

Author(s) : BRIEND P., LEHMAN J. Y., ZICK G.

Summary

The objective of this innovating process is to upgrade raw biogas from landfill to a substitute of natural gas for grid injection or liquefaction. The CH4/CO2 separation, through permeable membrane for instance, is well-known and successfully applied, but the separation of air from methane inherent to landfill biogas source requires a dedicated process unit. Due to the potential occurrence of explosive atmosphere inside the unit, a design method is applied to develop a safe cryogenic process. Therefore, a novel risk analysis approach is followed using a Boolean Risk Tree with the purpose of a Design to Residual Risk object. The analysis is done, helped by the experimental feed-back of similar apparatus. After an iterative approach combining design and risk analysis, the final result is reached: propose a process defined in respect with a quantified acceptable risk level for such gas process.

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Pages: 6 p.

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Details

  • Original title: A novel approach for safe design of a cryogenic bio-methane purification unit.
  • Record ID : 30011199
  • Languages: English
  • Source: Cryogenics 2014. Proceedings of the 13th IIR International Conference: Prague, Czech Republic, April 7-11, 2014.
  • Publication date: 2014/04/07

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