Paper Title:
Research on Degradation of Persistent Organic Pollutants- Pentachlorophenol by Mechanochemical
  Abstract

Pentachlorophenol (PCP), metallic oxide and ball-grinder medium steel beads are ground together in a ball-grinder under room temperature and pressure to degrade PCP. A AgNO3 standard solution was used to titrate the Cl--containing solution made from grinding product. The dechlorination rate used to show the degradation result of PCP was calculated through the amount of AgNO3 standard solution. The results show that dechlorination rate is increased with grinding time increasing, and the product shows a black hue after 2.5h grinding, which might be a sigh of elemental formation carbon; The bigger the CaO/PCP molar ratio is, the better the dechlorination rate is. With the molar ratio of 50:1,the dechlorination rate is over 90%, while 60:1 for almost 98%;

  Info
Periodical
Chapter
Chapter 5: Frontiers of Environment Engineering and Materials
Edited by
Dongye Sun, Wen-Pei Sung and Ran Chen
Pages
2840-2843
DOI
10.4028/www.scientific.net/AMM.71-78.2840
Citation
K. Zhang, Q. Z. Fei, Y. M. Li, "Research on Degradation of Persistent Organic Pollutants- Pentachlorophenol by Mechanochemical", Applied Mechanics and Materials, Vols. 71-78, pp. 2840-2843, 2011
Online since
July 2011
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Price
$32.00
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