Decarbonation and Pore Structural Change of Ca-Solid Reactant for CaO/CO_2 Chemical Heat Pump

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概要

• 論文の詳細を見る

• Cyclic reaction performances and pore structural change of Ca-solid reactants for the CaO/CO2 chemical heat pump designed for upgrading and storing high-temperature thermal energy were studied. It was observed that solid reactants prepared using CaCO3 particles have micro-order pore structure among particles and nano-order pore structure in the particles. With the proposed model, in which the pore structure change during reactions is considered, the numerical analysis suggested that the decarbonation rate was determined by nano-order pore structure change. In experiments of cyclic reaction at 923 K, pore volume change corresponding to the greater part of the total volume change between carbonation and decarbonation was observed in the range from 10 to 30 nm of pore radius.

• 社団法人 化学工学会の論文
• 2008-06-01

著者

• TAKEUCHI Takashi

  Department of Pediatrics, Wakayama Medical University

• AIHARA Masahiko

  Department of Material Science & Chemical Engineering, Yokohama National University

• HABUKA Hitoshi

  Department of Chemical Engineering Science, Yokohama National University

• Takeuchi T

  Department Of Chemical Engineering Science Yokohama National University

• YOSHII Takeshi

  Department of Chemical Engineering Science, Yokohama National University

• SHIMAZAKI Yohei

  Department of Chemical Engineering Science, Yokohama National University

• Yoshii Takeshi

  Department Of Chemical Engineering Science Yokohama National University

• Shimazaki Yohei

  Department Of Chemical Engineering Science Yokohama National University

• Shimazaki Yohei

  Department Of Bioscience And Biotechnology Division Of Bioresource And Bioenvironmental Sciences Kyu

• Habuka H

  Department Of Chemical Engineering Science Yokohama National University

• Habuka Hitoshi

  Department Of Chemical Engineering Science Yokohama National University

• Aihara M

  Department Of Chemical Engineering Science Yokohama National University

• Aihara Masahiko

  Department Of Chemical Engineering Science Yokohama National University

• Takeuchi Takashi

  Department Of Chemical Engineering Science Yokohama National University

• Habuka Hitoshi

  Department of Chemical and Energy Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama 240-8501, Japan

• TAKEUCHI Takashi

  Department of Chemical Engineering Science, Yokohama National University

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