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Articles by Kulyakorn Khuanmar
Total Records ( 1 ) for Kulyakorn Khuanmar
  Kulyakorn Khuanmar , Wanpen Wirojanagud , Puangrat Kajitvichyanukul and Santi Maensiri
  This study was aimed to determine the photocatalytic degradation of phenolic compounds contaminated in the pulp and paper wastewater with the synthesized nanoparticle TiO2/Sn2 and the commercial TiO2 (Sigma Aldrich). The studied phenolic compounds included 2-methoxy phenol (guaiacol), 2,6-dimethoxy phenol (syringol) and phenol. The synthesized TiO2/Sn2 was prepared by sol-gel technique, mixture of titanium solution and ethanol/polymer with 2% of tin. The characterization of the synthesized TiO2/Sn2 and the commercial TiO2 were performed by XRD, BET and SEM. The synthesized TiO2/Sn2 were: mixed phase of anatase:rutile of 85: 15, 14 nm crystalline size of anatase (101) and 47 nm rutile (110) and 65.7 m2 g-1 surface area by BET. On the other hand the commercial TiO2 (Sigma aldrich) only showed the anatase phase with particle size of 41 nm and 10.9 m2 g-1 surface area by BET. The photocatalytic degradation were tested on the individual and mixed phenolic compounds. The phenolic compound solution suspended with the catalyst was irradiated with UV light. The photocatalytic degradation of phenolic compounds by such two types was significantly different. TiO2/Sn2 presented the sequential degradation as syringol > guaiacol > phenol for both individual and mixed phenolic compounds. While the commercial TiO2 indicated the degradation as phenol>guaiacol>syringol for the individual phenolic compound and the reverse order of degradation as syringol>guaiacol>phenol for the mixed compounds.
 
 
 
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