journal6 ›› 2001, Vol. 22 ›› Issue (2): 54-57.

• Doctoral Forum • Previous Articles     Next Articles

Photocatalysis Removal of Halogenated Compound in Drinking Water


  1. ( 1. Department of Chemistry, Hebei University, Baoding 071002, Hebei China; 2. Siping Nanhu Institute of Technology, Siping 136000, Jilin China)
  • Online:2001-06-15 Published:2013-01-05

Abstract: The dringing wa ter including halogenated compound, such as CHCl3, has been handled by photocatalys t : the powder of TiO2.The optimum photo removal condi t ions are as fol lows: the mas s c oncentration of CHCl3 is 100 g/ L and its Volume is 50 ml, the quanti ty of eatalyst is 0. 4 g, the time of photo radiation is 3. 0 h, the acidi ty of the aqueous solut ion is 1 *10- 9 mol/ L [ H+] , the photo removal ratio of CHCl3 is over 95. 0%. At the same time, the mechanism of photocatalytic conversion of CHCl3 has been preliminari ly probed, and i t is proved that TiO2 photo removal of CHCl3 follows the formula of one - order reaction rate: ln C= - 0. 75t+ 4. 30.

Key words:  , titanium(TiO2) , photocatalysis, halogenated compound

WeChat e-book chaoxing Mobile QQ