响应面法优化光电脱色降解直接橙  

Photoelectric Decolorization Degradation of Direct Orange with Optimization by Response Surface Method

作　　者：林秋涵 谭莹珊 林佳丽 廖淦 岑明媚 林曦 LIN Qiuhan;TAN Yingshan;LIN Jiali;LIAO Gan;CEN Mingmei;LIN Xi(Materials and Chemical Engineering College of Minjiang University,Fuzhou 350108,China;Green Materials and Chemical Engineering Fujian University Engineering Research Center,Fuzhou 350108,China)

机构地区：[1]闽江学院材料与化学工程学院,福建福州350108 [2]绿色材料与化工福建省高校工程研究中心,福建福州350108

出　　处：《分析测试技术与仪器》2024年第3期189-195,共7页Analysis and Testing Technology and Instruments

基　　金：国家自然科学基金(22004053);福建省自然科学基金(2022J011114,2021J05203);闽江学院校长基金(103952023066)。

摘　　要：结合单因素试验与响应面法,对直接橙染料的光电脱色工艺进行了系统优化.探讨了TiO2浓度、NaCl浓度、外加电压、光照时间等多个因素对脱色效果的影响.试验结果表明,在优化的工艺条件下,即TiO2质量浓度为0.15 g/L、NaCl质量浓度为2.85 g/L时,对直接橙溶液(pH 7.0)施加7.60 V电压电解,辅以250 W的高压汞灯(主峰波长365 nm)进行照射,仅需20 min,直接橙的脱色率即可达到98.81%.The photoelectric decolorization process of direct orange dye was systematically optimized by single factor experiment and response surface method.The effect of TiO2 concentration,NaCl concentration,applied voltage,illumination time and other factors on the decolorization effects were discussed.The results showed that under the optimal conditions of TiO2 concentration of 0.15 g/L and NaCl concentration of 2.85 g/L,the decolorization rate of direct orange solution(pH 7.0)could reach 98.81%while electrolysis at 7.60 V and irradiated for 20 min with 250 W high pressure mercury lamp(main peak wavelength of 365 nm).

关 键 词：光电催化 脱色降解 直接橙 响应面法 

分 类 号：O657.3[理学—分析化学]