Heat balance and CO $_{2}$ emission of the hydrogen ironmaking plant using HTGR and thermochemical IS process

Kasahara, Seiji

Thermochemical water-splitting IS (iodine-sulfur) process can produce hydrogen using heat of around 900 $^{circ}$ C. Application of hydrogen from IS process using nuclear heat from High Temperature Gas-cooled Reactors to ironmaking plants theoretically enables CO $_{2}$ -free ironmaking. An ironmaking plant composed of IS process and hydrogen direct reduction shaft furnace was proposed and heat balance and CO $_{2}$ emission were examined by flowsheet calculation. Total heat input was greater compared with the blast furnace ironmaking plant. On the other hand, CO $_{2}$ emission was reduced to only 7% of the blast furnace ironmaking plant.

Language	:	Japanese
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Meeting title	:	平成22年度日本原子力学会北関東支部若手研究者発表会
Held date	:	2010/04
Location (city)	:	東海
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20100201
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Heat balance and CO emission of the hydrogen ironmaking plant using HTGR and thermochemical IS process

Heat balance and CO $_{2}$ emission of the hydrogen ironmaking plant using HTGR and thermochemical IS process