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Pd/Fe与Fe~0催化还原降解酸性紫红B的动力学比较
Comparison of kinetics of acid violet red B reduced by Pd/Fe and normal Fe~0
【摘要】 采用Fe0还原、钯催化法对偶氮染料———酸性紫红B进行还原脱色研究,测定了钯/铁及普通铁粉在相同条件下对酸性紫红B的还原降解反应速率常数.实验表明,酸性紫红B的零价铁及钯/铁催化还原降解均遵守一级动力学,且钯/铁的反应速率常数较普通铁粉有明显增大.
【Abstract】 The reductive degradation of acid violet red B by palladium/iron(Pd/Fe)is measured.The degradation of acid violet red B on the Pd/Fe and that on the conventional iron powder are compared. It was found that the catalytic degradation of acid violet red B on the Pd/Fe and the zero-valent iron follow the first-order kinetics and the rate constant on Pd/Fe is higher than that on the conventional iron powder,
【关键词】 反应速率常数;
Pd/Fe;
Fe0;
还原;
酸性紫红B;
【Key words】 first-order kinetics constant; Pd/Fe; Fe0; reduce; acid violet red B;
【Key words】 first-order kinetics constant; Pd/Fe; Fe0; reduce; acid violet red B;
【基金】 辽宁省高等学校优秀青年教师教学和科研奖励基金资助项目
- 【文献出处】 大连大学学报 ,Journal of Dalian University , 编辑部邮箱 ,2004年02期
- 【分类号】X788
- 【被引频次】4
- 【下载频次】114