3-28　Separation of valuable element from rice husk by chlorination method and Hg ion adsorption ability of the chlorinated residue

DOI

Bibliographic Information

Other Title
  • 3-28　塩化揮発法によるもみ殻からの有用元素の分離とその残渣の水銀イオン除去性能

Abstract

<p>In this study, as a part of the study of SiCl4 production from rice husk char, the volatilization behavior of Si from rice husk char by the chlorination method were first examined with a gas flow-type fixed-bed quartz reactor. Next, changes in Cl content and pore properties with chlorination temperature were investigated. In addition, the basic Hg2+ removal performance of the residue obtained after chlorination was evaluated. The volatilization of Si in the char during chlorination started at 300°C, and volatilization rate reached 80% at 1000°C, 10min. It was also found that most of the Cl taken into the chlorination residue is the H2O-insoluble form. The specific surface area of the chlorination residue tended to increase with increasing of chlorination temperature. The Hg adsorption capacity of the chlorinated residue obtained by holding at 1000°C for 10min was 620mg/g, which indicated that the chlorinated residue could be a relatively high-performance mercury scavenger.</p>

Journal

Details 詳細情報について

  • CRID
    1390285300179108480
  • NII Article ID
    130007881861
  • DOI
    10.20550/jietaikaiyoushi.29.0_92
  • ISSN
    24238325
    24238317
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

Report a problem

Back to top