造纸白泥处理含磷污水的研究

发布时间：2018-04-12 21:52

  本文选题：含磷污水 + 造纸白泥　； 参考：《非金属矿》2017年06期

【摘要】：为了防治水体富营养化,关键是控制排放水中的磷含量。造纸白泥是一种水处理多功能基质材料,研究该材料处理含磷污水的效果及主要影响因素,结果表明,造纸白泥对处理含磷污水具有良好的效果。处理含磷质量浓度为30 mg/L的污水,当白泥投加量为8 g/L,溶液初始pH值为2,反应时间1 h时除磷效果最佳,除磷率达90.5%。造纸白泥颗粒细小,比表面积大,具有良好的吸附性能;同时,白泥颗粒在酸性条件下可放出Ca~(2+)、Mg~(2+)、Al3+等大量活性离子并可释放碱度与污水中PO_4~(3-)发生表面化学沉淀反应,可实现吸附-沉淀协同作用,除磷效果好,处理成本低,并实现以废治废,是除磷的有效途径。
[Abstract]:In order to prevent water eutrophication, the key is to control the phosphorus content in the discharged water.White mud for papermaking is a kind of multifunctional matrix material for water treatment. The effect of the material on treatment of phosphorous wastewater and its main influencing factors are studied. The results show that the white mud has a good effect on the treatment of phosphorous wastewater.When the amount of white mud was 8 g / L, the initial pH value of solution was 2, and the reaction time was 1 h, the removal efficiency of phosphorus from wastewater containing 30 mg/L of phosphorus was the best, and the removal rate of phosphorus was 90.5%.It is an effective way to remove phosphorus by realizing synergistic effect of adsorption-precipitation, good phosphorus removal effect, low treatment cost and waste treatment.
【作者单位】： 辽宁工程技术大学土木工程学院;
【基金】：国家自然科学基金(51474122、51174267) 辽宁省“百千万人才工程”项目(2014921069)
【分类号】：X703
，

本文编号：1741582