铁碳微电解对垃圾渗滤液脱氨预处理效果研究

Study on Ammonia Nitrogen Pretreatment of Landfill Leachate by Iron-Carbon Microelectrolysis

采用铁碳微电解对垃圾渗滤液进行脱氨预处理,研究铁碳复合材料投加量、pH值、曝气量、温度变化对垃圾渗滤液氨氮去除率的影响,并找到最佳反应条件组合。结果表明:当处理500 mL的垃圾渗滤液时,在铁碳投加量为375 g,反应pH为9,曝气量为2 L/min时,温度为60℃,脱氨效果更佳。该方案具有成本低廉、操作简单,随着研究的深入,作为垃圾渗滤液脱氨预处理单元具有较好的应用前景。

The Iron-Carbon microelectrolysis is used to remove the ammonia nitrogen for landfill leachate. Tests have showed that the quantity of iron-carbon,pH, aeration rate and temperature can influence the ammonia nitrogen pretreatment. The optimized conditions for 500 mL landfill leachate are: 375 g of iron-carbon,reaction pH 9, 2 L/min of aeration rate, 60 ℃ of temperature.