Production of H 2 from fossil fuels with capture and sequestration of CO 2 would enable continued widespread use of fossil-derived fuels for applications such as transportation, with near-zero full fuel cycle emissions of both air pollutants and greenhouse gases. A large-scale fossil H 2 system with CO 2 sequestration consists of one or more fossil energy complexes plus two pipeline networks—one for distributing H 2 to end-users and the other for transmitting CO 2 to storage sites and securely sequestering it. Several detailed technical and economic studies have been carried out for various parts of the system, including CO 2 capture from electric power plants or H 2 plants, CO 2 transmission and storage, and H 2 infrastructure. However, relatively little work has been done assessing the entiresystem in an integrated way. This chapter provides information to understand the total system design and economics, for the special case of a single large fossil energy complex connected to a geological CO 2 sequestration site and a H 2 demand center. It estimates the delivered cost of H 2 with CO 2 sequestration as a function of fossil energy complex design, pipeline parameters, distance to sequestration site, and CO 2 injection site reservoir parameters. The model described in this chapter can be extended to fossil H 2 energy systems that include multiple fossil energy complexes, H 2 demand centers, and CO 2 sequestration sites.
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