廃ホタテ貝殻焼成物を原料とするａｒａｇｏｎｉｔｅ型軽質炭酸カルシウムの合成　第３報　　常温水溶液系における高純度ａｒａｇｏｎｉｔｅの生成

DOI Web Site 被引用文献5件 参考文献13件
  • 笹木 圭子
    Graduate School of Engineering, Hokkaido University, Kita–ku, Sapporo 060–8628
  • 本郷 大
    Graduate Student, Graduate of Engineering, Hokkaido University
  • 恒川 昌美
    Graduate School of Engineering, Hokkaido University, Kita–ku, Sapporo 060–8628

書誌事項

タイトル別名
  • Synthesis of Aragonite-type of Calcium Carbonate from Calcined Scallop Shell (3rd Report). In aqueous system at ambient temperatures.
  • ハイホタテ カイガラ ショウセイブツ オ ゲンリョウ ト スル aragoni

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抄録

Aragonite-type light calcium carbonate was synthesized from calcined scallop shell at ambient temperature in the aqueous system with Mg2+ ions under the CO2 bubbling for 4 hours. The important factors to obtain high purity of aragonite were the mole ratio of Ca2+/ Mg2+, flow rate of CO2 , reaction time, pH and temperature. Under the optimum condition, the purity of aragonite in products was determined to be more than 99.4 (w/w) %, by XRD and FTIR analyses. The specific surface area was obtained to be 5-8 m2 g-1 by the BET method, and the morphology was characterized in wisker with several micrometers in length by SEM.

収録刊行物

  • 資源と素材

    資源と素材 114 (10), 715-720, 1998

    一般社団法人 資源・素材学会

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