A Study on Heavy Metal Adsorption of the Submicron HAP

초미립 Hydroxy Apatite의 중금속 흡착에 관한 연구

  • 안영필 (한양대학교 무기재료공학과) ;
  • 김복희 (전북대학교 재료공학과) ;
  • 황재석 (신흥전문대 환경관리과) ;
  • 신건철 (강원대학교 재료공학과)
  • Published : 1990.01.01

Abstract

Preparation and heavy metal ion adsorption of sumicron hydroxy apatite were studied in this experiment. Submicron HAP was synthesized with Ca(OH)2 solution and H3PO4.Ca(OH)2 solution was made from water-quenching of CaCO3 heated at 1, 00$0^{\circ}C$ and 20%-H3PO4 was dropped into this Ca(OH)2 solution heated at 8$0^{\circ}C$. XRD pattern of prepared powder showed HAP crystal. The average particle size and sahpe of HAP were 0.25${\mu}{\textrm}{m}$ and sphere type. As a adsorbent, 1.0g of the prepared HAP powder in 1 liter of artifical 5ppm heavy matal waste water was sufficient, and more effective at pH7-9.

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References

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