Technical examination on high temperature gas-cooled reactor as energy source of active carbon recycling energy system for steelmaking

Kasahara, Seiji  ; Sato, Hiroyuki  ; Inagaki, Yoshiyuki; Ogawa, Masuro

Application of ACRES (Active Carbon Recycling Energy System) to steelmaking process is proposed for reduction of CO emission and security of fossil fuel supply. ACRES is the concept of reuse of carbon element in CO from fossil fuel usage by reducting to CO using non-fosssil primary energy. Selection of the primary energy and CO reduction technology is important for the usability evaluation. High temperature gas-cooled reactor is a candidate of the energy, which can supply electricity, hydrogen and high temperature heat usable for CO reduction. Technical examination on high temperature gas-cooled reactor as energy source of ACRES for steelmaking was carried out. Renewable solar energy is an also promising energy source. Here, ability of HTGR to follow load change was investigated and validated for parallel use of HTGR and solar energy.