Ag/AgCl/TiO^(2)nanocomposite was synthesized through the combination of sol-gel process and hydrothermal(HT)method followed by ion exchange method in the paper.Transmission electron microscope,UVevis absorption proper...Ag/AgCl/TiO^(2)nanocomposite was synthesized through the combination of sol-gel process and hydrothermal(HT)method followed by ion exchange method in the paper.Transmission electron microscope,UVevis absorption property and X-ray diffraction were utilized to characterize the morphology,optical absorption property and phase structure of the as-prepared photocatalysts.The morphological and performance studies of Ag/AgCl/TiO^(2)revealed that a well-interconnected mixed phase heterojunction photocatalyst was achieved through as-prepared TiO^(2)and the subsequent ion exchange method.By the degradation of Rhodamine B under xenon lamp,Ag/AgCl/TiO^(2)exhibited a significant enhancement in photocatalytic activity compared with TiO^(2)and Ag/TiO^(2).The band gap of Ag/AgCl/TiO^(2)can reach to 2.53eV compared with 3.22eV of the prepared TiO^(2).Furthermore,the synthesis process and photoreaction mechanisms of TiO^(2),Ag/TiO^(2)and Ag/AgCl/TiO^(2)photocatalysts were proposed.It demonstrated that the enhancement of photocatalytic was mainly due to the reducing of electron-hole recombination in Ag/AgCl/TiO^(2).展开更多
In this paper the self-regeneration process of the mixed resins consisting of cationand anion ion exchangers in the electrolialyser of the packed bed is analyzed and anelectric regeneration method is put forward to su...In this paper the self-regeneration process of the mixed resins consisting of cationand anion ion exchangers in the electrolialyser of the packed bed is analyzed and anelectric regeneration method is put forward to supply the desalinated water by mixedbed The electric regeneration technology is a new one used for regeneration of theexhausted ion exchangers in the mixed bed instead of the traditional regeneratingprocess by using acid and abc liquor Electric energy is consumed to regenerat theion exchangers loaded by salts from water treatment without any chemicals- acid alkali. The advantage of the electric regeneration process edibited convenientoperation, no discharge any waste, and therefore no Polluted to the recehang waterbode and the environmental ground展开更多
基金the National Natural Science Foundation of China under Grant No.51762028 and No.11504146.
文摘Ag/AgCl/TiO^(2)nanocomposite was synthesized through the combination of sol-gel process and hydrothermal(HT)method followed by ion exchange method in the paper.Transmission electron microscope,UVevis absorption property and X-ray diffraction were utilized to characterize the morphology,optical absorption property and phase structure of the as-prepared photocatalysts.The morphological and performance studies of Ag/AgCl/TiO^(2)revealed that a well-interconnected mixed phase heterojunction photocatalyst was achieved through as-prepared TiO^(2)and the subsequent ion exchange method.By the degradation of Rhodamine B under xenon lamp,Ag/AgCl/TiO^(2)exhibited a significant enhancement in photocatalytic activity compared with TiO^(2)and Ag/TiO^(2).The band gap of Ag/AgCl/TiO^(2)can reach to 2.53eV compared with 3.22eV of the prepared TiO^(2).Furthermore,the synthesis process and photoreaction mechanisms of TiO^(2),Ag/TiO^(2)and Ag/AgCl/TiO^(2)photocatalysts were proposed.It demonstrated that the enhancement of photocatalytic was mainly due to the reducing of electron-hole recombination in Ag/AgCl/TiO^(2).
文摘In this paper the self-regeneration process of the mixed resins consisting of cationand anion ion exchangers in the electrolialyser of the packed bed is analyzed and anelectric regeneration method is put forward to supply the desalinated water by mixedbed The electric regeneration technology is a new one used for regeneration of theexhausted ion exchangers in the mixed bed instead of the traditional regeneratingprocess by using acid and abc liquor Electric energy is consumed to regenerat theion exchangers loaded by salts from water treatment without any chemicals- acid alkali. The advantage of the electric regeneration process edibited convenientoperation, no discharge any waste, and therefore no Polluted to the recehang waterbode and the environmental ground
