CAJ | 학술논문

采用溶胶.凝胶法制备了 TiO_-SnO_2催化剂,以尤丽特蓝为研究对象,研究了超声波光催化降解尤丽特蓝的动力学.结果表明:在所研究的范围内,SnO_2的最佳掺杂量为0.05,TiO_2-SnO_2催化剂的最佳投加量为2g/L;超声波光催化降解尤丽特蓝符合一级动力学反应,可用L-H动力学方程描述,且反应速率常数K∝ C_0~(-0.85) ·(DO)~(3.91);超声光催化协同降解要比单独超声波或光催化处理效果显著,证实了声光联合技术具有明显的协同效应.
채용용효.응효법제비료 TiO_-SnO_2최화제,이우려특람위연구대상,연구료초성파광최화강해우려특람적동역학.결과표명:재소연구적범위내,SnO_2적최가참잡량위0.05,TiO_2-SnO_2최화제적최가투가량위2g/L;초성파광최화강해우려특람부합일급동역학반응,가용L-H동역학방정묘술,차반응속솔상수K∝ C_0~(-0.85) ·(DO)~(3.91);초성광최화협동강해요비단독초성파혹광최화처리효과현저,증실료성광연합기술구유명현적협동효응.
The catalyst (TiO_2-SnO_2) was prepared by Sol-gel method.Kinetics of sono-photocatalytic degradation on solvent blue was studied.The results showed that there is an optimal SnO_2 doping amount of 0.05 and catalyst dosage of 2g/L.The kinetics of sono-photocatalytic reaction of solvent blue can be described by Langmuir-Hinshelwood model, that is, the degradation of solvent blue can be expressed by first-order kinetics model.The rate constant is in direct proportion to C_0~(-0.85) and ( DO)~(3.91).Sono-photocatalysis synergetic technology was superior to each of ultrasound irradiation and pho-tocatalysis alone.The significant synergetic effect of sono-photocatalysis was identified.