Cañizares Pablo, Beteta Alberto, Sáez Cristina, Rodríguez Lourdes, Rodrigo Manuel A
Department of Chemical Engineering, Faculty of Chemistry, Universidad de Castilla La Mancha, Campus Universitario s/n, 13005 Ciudad Real, Spain.
Chemosphere. 2008 Jul;72(7):1080-5. doi: 10.1016/j.chemosphere.2008.04.004. Epub 2008 May 22.
In this work, it has been studied the use of conductive-diamond electrochemical oxidation (CDEO) as a refining technology to assure the quality of the effluents of door manufacturing processes (DMP). To do this, the raw effluents of these factories have been treated by a combination of physicochemical, biological and CDEO treatments. CDEO was found to be a feasible alternative to the refinement of a wooden DMP waste. It can successfully decrease the organic load of the effluents of the biological oxidation with low energy requirements. In addition, in case of incidents in the biological process, CDEO can treat successfully the effluents of the coagulation process. The effluents of the biological treatment have also been treated by CDEO in order to check the possible use of electrochemical technology to increase the biodegradability of the effluents and their possible recycle to the biological treatment. Unfortunately, electrochemical technology was found to be not adequate to increase the biodegradability of the effluents of a biological treatment. The hard oxidation conditions generated during CDEO do not lead to the accumulation of intermediates but to the almost direct formation of carbon dioxide. Lowering the current density or changing the electrodes can not enhance the biodegradability of the effluents of an electrochemical cell.
在这项工作中，研究了使用导电金刚石电化学氧化（CDEO）作为一种精炼技术，以确保门制造工艺（DMP）废水的质量。为此，这些工厂的原废水已通过物理化学、生物和CDEO处理相结合的方式进行处理。结果发现，CDEO是精炼木质DMP废物的一种可行替代方法。它可以在低能量需求的情况下成功降低生物氧化废水的有机负荷。此外，在生物过程发生事故的情况下，CDEO可以成功处理混凝过程的废水。生物处理的废水也已通过CDEO进行处理，以检验电化学技术增加废水生物降解性及其回用于生物处理的可能性。不幸的是，发现电化学技术不足以提高生物处理废水的生物降解性。CDEO过程中产生的强氧化条件不会导致中间体的积累，而是几乎直接形成二氧化碳。降低电流密度或更换电极并不能提高电化学电池废水的生物降解性。
