CAJ | 학술논문

制备经铁改性的活性炭负载TiO2的光催化剂，以40 W紫外线灯为光源，对硝基苯的光降解反应进行了研究。探讨了经铁改性活性炭负载TiO2光催化剂的用量、降解的反应时间、硝基苯初始浓度、溶液pH、反应温度对反应的影响。结果表明，在紫外灯光照射下，以0.01～0.08 g该催化剂处理25 mL的10～100 mg/L硝基苯溶液，均有明显的降解效果，最佳的降解时间和pH分别为40 min和6.6。
제비경철개성적활성탄부재TiO2적광최화제，이40 W자외선등위광원，대초기분적광강해반응진행료연구。탐토료경철개성활성탄부재TiO2광최화제적용량、강해적반응시간、초기분초시농도、용액pH、반응온도대반응적영향。결과표명，재자외등광조사하，이0.01～0.08 g해최화제처리25 mL적10～100 mg/L초기분용액，균유명현적강해효과，최가적강해시간화pH분별위40 min화6.6。
The photocatalysis of Fe -doped TiO2 supported on the modified activated carbon was prepared.The photocatalytic degradation of nitrobenzene was investigated in the presence of 40W UV lamp.The influences on the amount of catalyst , reaction time, the initial concentration of nitrobenzene , pH of the solution and the reaction temperature were analyzed.The best result was obtained with 0.01~0.08 g TiO2 and the 10~100 mg/L solution of nitrobenzene.The best time and pH value of degradation was 40 min and 4.22, respectively.