将负载型的Ce∕SBA-15与过硫酸氢钾复合盐(Oxone)联合，考察了该联合体系对染料罗丹明B(RhB)的去除效果。结果表明：该体系中RhB的去除符合准一级动力学方程，提高Ce∕SBA-15和Oxone投加量，降低初始RhB浓度和提高反应温度会增强RhB的去除效果，未调节溶液初始pH值时， RhB的去除效果最好。制备的Ce∕SBA-15在5次循环使用后仍具有约80%的RhB去除率， RhB的去除机制为表面吸附催化。 Ce∕SBA-15与Oxone联合产生以硫酸根自由基为主的处理技术对难降解污染物质具有潜在的实际应用价值。%The effect of supported Ce/SBA-15-oxone combined system on Rhodamine B removal from aqueous solution was investigated. The results showed that, the process of RhB removal followed pseudo-first or‐der kinetics equation, the removal rate of RhB increased with increasing Ce/SBA-15 and oxone dosage, reaction temperature and decreasing initial RhB concentration. The maximum removal efficiency was achieved under the condition that the initial pH value of the solution was unjusted. The material Ce/SBA-15 possessed good reusability, and when reused up to 5 cycles, the removal rate of RhB by it could still maintained at about 80%. The mechanism of RhB removal was surface adsorption and catalysis. It could draw a conclusion that, the com‐bined process of Ce/SBA-15-oxone which could generate sulfate radicals had potential application value in the field of hard-degradable pollutants treatment.
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