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首页> 外文会议>2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring >The Effect of Dissolved Organic Matter on Zeta Potential During the Coagulation Process
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The Effect of Dissolved Organic Matter on Zeta Potential During the Coagulation Process

机译：混凝过程中溶解的有机物对Zeta电位的影响

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During the municipal wastewater reclamation process, the Zeta potential presented significant difference between the particle in the surface water and in the secondary effluent of WWTP with the increasing of PAC. Dissolved organic matter(DOM) in effluent from conventional sewage treatment plant was isolated into five classes using adsorbent resins: hydrophobic bases(HoB), hydrophobic acids(HoA);hydrophilic bases(HiB), hydrophilic acids(HiA) and hydrophilic neutrals(HiN). The Zeta potential of different organic fractions was examined when PAC was injected. The results showed that the concentration and composition of DOM were main reasons for the Zeta potential difference between surface water and secondary effluent during the coagulation process. And, hydrophobic organic was the main component leading to the slow change on Zeta potential.
机译：在市政废水回收过程中，Zeta潜力在地表水中的颗粒与WWTP的二级流出物中呈现出显着的差异。使用吸附树脂分离出常规污水处理厂的流出物中的有机物（DOM）分离为五类：疏水碱（滚刀），疏水酸（HOA）;亲水基碱（HIB），亲水酸（HIA）和亲水中性（HIN） ）。当注射PAC时，检查不同有机级分的ζ电位。结果表明，DOM的浓度和组成是凝固过程中表面水和二级流出物之间Zeta电位差异的主要原因。并且，疏水性有机是主要成分，导致Zeta电位缓慢变化。

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