Bautista P, Mohedano A F, Gilarranz M A, Casas J A, Rodriguez J J
Ingeniería Química, Universidad Autónoma de Madrid, Campus de Cantoblanco, 28049 Madrid, Spain.
J Hazard Mater. 2007 May 8;143(1-2):128-34. doi: 10.1016/j.jhazmat.2006.09.004. Epub 2006 Sep 7.
The removal of organic matter (TOC and COD) from a cosmetic wastewater by Fenton oxidation treatment has been evaluated. The operating conditions (temperature as well as ferrous ion and hydrogen peroxide dosage) have been optimized. Working at an initial pH equal to 3.0, a Fe(2+) concentration of 200 mg/L and a H(2)O(2) concentration to COD initial weight ratio corresponding to the theoretical stoichiometric value (2.12), a TOC conversion higher than 45% at 25 degrees C and 60% at 50 degrees C was achieved. Application of the Fenton oxidation process allows to reach the COD regional limit for industrial wastewaters discharges to the municipal sewer system. A simple kinetic analysis based on TOC was carried out. A second-order equation describes well the overall kinetics of the process within a wide TOC conversion range covering up to the 80-90% of the maximum achievable conversion.
已评估通过芬顿氧化处理去除化妆品废水中的有机物（总有机碳和化学需氧量）。对操作条件（温度以及亚铁离子和过氧化氢用量）进行了优化。在初始pH值等于3.0、Fe(2+)浓度为200 mg/L以及H(2)O(2)浓度与化学需氧量初始重量比对应于理论化学计量值（2.12）的条件下工作，在25℃时总有机碳转化率高于45%，在50℃时达到60%。芬顿氧化工艺的应用能够达到工业废水排入市政下水道系统的化学需氧量区域限值。基于总有机碳进行了简单的动力学分析。一个二阶方程很好地描述了该过程在较宽总有机碳转化率范围内（涵盖高达最大可实现转化率的80 - 90%）的整体动力学。
