Status of National and International Standardization in CO2 Transportation
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This article describes the current status in national and international standardization regarding CO2 transport and emphasizes the role of DVGW (Deutsche Vereinigung des Gas- und Wasserfaches e.V.) and E.ON during the standardization process. Line-based transportation of large energy quantities has a long-standing tradition in the E.ON Group. The entire know-how existing in construction and operation of high pressure gas pipelines can also be applied to the transportation of CO2. But CO2 shows different physicochemical properties which influence pipeline design significantly. Therefore it is necessary to clarify questions regarding thermodynamics, corrosion protection and materials selection for the development of new CO2 standards. Often standards from the oil and gas industries are applied for CO2 pipelines. Efforts have therefore been made on a national and international level to remedy the situation and create standards and rules specifically for CO2. Standardization in CCS on a national level is handled by DIN (Deutsches Institut für Normung), on a European level by CEN (Comité Européen de Normalisation) and on an international level by ISO (International Organization for Standardization). On the initiative of the Canadian standardization institute a new technical committee, ISO TC 265, has been established in 2012 to handle standardization of the entire CCS process chain. DIN will maintain its influence within the new ISO TC 265. The German CCS Act which was adopted in 2012 provides a basis for the activities of DVGW as it clearly refers to the Energy Industry Act and thus to the codes of practice published by DVGW. The CCS Coordination Committee established by DVGW prepares an independent set of rules for the transportation of CO2 with the collaboration of E.ON and other members from industry and research.
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