铁碳微电解-A/O工艺处理丁酮肟生产废水试验研究  

Experimental study on ethyl methyl ketone oxime production wastewater treatment by iron-carbon microelectrolysis

作　　者：刘玉莎 周静如 曾科 刘妮 黄成涛 LIU Yusha;ZHOU Jingru;ZENG Ke;LIU Ni;HUANG Chengtao(Hunan Boshike Environmental protection Technology Co.,Ltd.,Changsha 410000,China)

机构地区：[1]湖南博世科环保科技有限公司,长沙410000

出　　处：《工业用水与废水》2023年第1期28-31,共4页Industrial Water & Wastewater

基　　金：污水处理厂深度脱氮除磷与减污降碳关键技术研发及应用示范(2021GK4059)。

摘　　要：为了解决丁酮肟生产废水难以生化降解、常规处理工艺无法达到出水水质要求等问题,利用铁碳在酸性条件下会发生氧化还原作用的原理对丁酮肟生产废水进行预处理,主要对比了生产废料铁刨花和工业铁碳2种铁碳材料对丁酮肟生产废水的处理效果。结果表明:铁刨花和工业铁碳均可显著提高废水可生化性,ρ(BOD5)/ρ(COD)从0.17提高至0.46~0.51;预处理采用工业铁碳处理2 h后加入H2O2,组合A/O生化工艺的处理效果最好,COD的质量浓度从1881 mg/L下降为346.15 mg/L,去除率为81.6%;氨氮的质量浓度从72.88 mg/L降至31.12 mg/L,去除率为57.3%,满足园区污水处理站进水要求。As ethyl methyl keton oxime production wastewater is hard-biodegradable,using conventional treatment process to treat it cannot make the effluent water quality meet the requirement.A pretreatment of ethyl methyl ketone oxime production wastewater was carried out based on the principle of oxidation-reduction of iron and carbon under acidic condition,the performance of two kinds of iron-carbon materials:processing waste iron scraps and industrial iron carbon on ethyl methyl ketone oxime production wastewater treatment was compared.The results showed that,both iron scraps and industrial iron carbon could significantly improve the biodegradability of the wastewater,theρ(BOD5)/ρ(CODCr)increased from 0.17 to 0.46-0.51.the best treatment effect could be obtained through adding H2O2after 2 hours of pretreatment by industrial iron and carbon,and then combining with A/O biochemical process,the mass concentrations of COD and ammonia nitrogen decreased from 1881 and 72.88 mg/L to 346.15 and 31.12 mg/L respectively,the removal rates of them reached 81.6%and 57.3%respectively,which met the quality requirement of influent water of sewage treatment station in industrial park.

关 键 词：丁酮肟 铁碳微电解 COD A/O 废水处理 

分 类 号：X703.1[环境科学与工程—环境工程]