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为了研究湿式催化氧化工艺处理多菌灵废水的降解机制,采用LC-MS、GC-MS等检测氧化出水,初级降解阶段发生酯键裂解、芳环骨架C—N键断裂,苯环骨架的面外变形振动、酰胺键的伸缩振动;初级降解产物进一步降解生成一些简单的芳香醛、酸等中间产物;最后,部分中间产物进一步氧化生成难以氧化的小分子醇或羧酸,如甲醇、乙酸、丙烯酸、甲酸等易生物降解物质,因此,采用的湿式催化氧化法是一种处理多菌灵废水的有效方法。
In order to study the degradation mechanism of carbendazim wastewater by wet catalytic oxidation process, the oxidative effluent was detected by LC-MS and GC-MS. The ester bond cleavage, the C-N bond of aromatic ring skeleton, the surface of benzene ring skeleton External deforming vibration and stretching vibration of amide bond; the primary degradation products further degrade to generate some simple aromatic aldehydes, acids and other intermediate products; finally, some of the intermediate products are further oxidized to form small molecular alcohols or carboxylic acids which are difficult to be oxidized, such as methanol, acetic acid, Acrylic acid, formic acid and other biodegradable materials, therefore, the use of wet catalytic oxidation is an effective way to deal with carbendazim wastewater.