摘要
采用超声催化氧化法对玫瑰红B溶液进行脱色处理,通过单因素实验探讨了H2O2投加量、超声时间、超声频率、超声功率、pH值、CuSO4投加量以及溶液初始浓度等因素对脱色率的影响。通过正交实验,得出影响脱色率的主次因素依次为:pH值>超声时间>超声频率>H2O2投加量,确定最佳反应条件为:pH值7、30%H2O2投加量1.8 mL或1.5 mL、超声时间40 min、超声频率59 kHz。并对H2O2、H2O2/CuSO4、超声、超声/H2O2和超声/H2O2/CuSO4体系的处理效果进行了比较,证实超声催化氧化法中超声、H2O2、CuSO4的协同作用明显。
In this paper,catalytic oxidation with ultrasonic treatment is used to decolorize the brilliant pink B solution. The effects of hydrogen peroxide dosage, ultrasonic time, ultrasonic frequency, ultrasonic power,pH value of solution,CuSO4 dosage and initial concentration are elementarily investigated by single factor experiment. The results of orthogonal experiment show the influential sequence is pH value of solution〉ultrasonic time〉 ultrasonic frequency〉hydrogen peroxide dosage. And the optimum treatment conditions for 20 mg· L^-1 brilliant pink B solution are determined as follows：pH= 7, ultrasonic frequency is 59 kHz, ultrasonic time is 40 min, hydrogen peroxide（30 %） dosage is 1.8 mL or 1.5 mL. The decolorization effects by H2O2, H2O2/CuSO4, US, US/H2O2 and US/H2O2/CuSO4 are compared, and the results show that the synergy of ultrasound, H2O2and CuSO4 is obvious.
出处
《化学与生物工程》
CAS
2009年第2期65-68,共4页
Chemistry & Bioengineering
关键词
超声波
H2O2
玫瑰红B
脱色
ultrasound wave
H2O2
brilliant pink B solution
decolorization
