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首页> 美国卫生研究院文献>Membranes >The Function of Adsorption Photo-Oxidation and Humic Acid Using Air Backwashing in Integrated Water Treatment of Multichannel Ceramic MF and PP Particles
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The Function of Adsorption Photo-Oxidation and Humic Acid Using Air Backwashing in Integrated Water Treatment of Multichannel Ceramic MF and PP Particles

机译：空气反冲洗吸附光氧化和腐殖酸在多通道陶瓷MF和PP颗粒集成水处理中的作用

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摘要

For advanced water treatment, function of microfiltration (MF), adsorption, photo-oxidation, humic acid (HA), and polypropylene (PP) particles on membrane fouling and decay effectiveness were investigated in an integrated water treatment, of multichannel ceramic MF and PP particles, using UV radiation and air backwashing. The synthetic feed was organized with HA and kaolin. The membrane fouling resistance (R ) of the (MF + PP) system presented the lowermost, and amplified intensely from the (MF + UV) to MF system. The percentages of MF and adsorption by PP particles for turbidity treatment were 87.6% and 3.8%, individually; however, the percentages of MF and adsorption by PP particles for dissolved organic matters (DOM) treatment were 27.9% and 5.0%, respectively. The decay effectiveness of turbidity presented the greatest 95.4% at HA of 10 mg/L; however, that of DOM increased as HA concentration ascended. The ultimate R after 180 min procedure showed the maximum at 30 g/L of PP particles concentration, and improved dramatically, as PP particles decreased. Finally, the maximum V was acquired at 30 and 50 g/L of PP particles, because flux preserved greater throughout the procedure. The decay effectiveness of turbidity and DOM showed the maximal 95.4% and 56.8% at 40 and 50 g/L of PP particles, respectively.
机译：对于高级水处理，在集成水处理中研究了多通道陶瓷MF和PP的微滤（MF），吸附，光氧化，腐殖酸（HA）和聚丙烯（PP）颗粒对膜结垢和衰减效果的作用。颗粒，使用紫外线辐射和空气反冲洗。合成饲料由HA和高岭土组成。 （MF + PP）系统的膜防污性（R）最低，并且从（MF + UV）到MF系统强烈放大。混浊处理中MF和PP颗粒的吸附百分比分别为87.6％和3.8％；然而，溶解性有机物（DOM）处理的MF和PP颗粒的吸附率分别为27.9％和5.0％。在HA为10 mg / L时，浊度的衰减效率最大，为95.4％。然而，随着HA浓度的升高，DOM的含量增加。 180分钟后的最终R值在30 g / L的PP颗粒浓度下显示最大值，并且随着PP颗粒的减少而显着提高。最后，由于在整个过程中通量保持更大，因此在30和50 g / L的PP颗粒中获得了最大V。在40和50 g / L的PP颗粒下，浊度和DOM的衰减效率分别为95.4％和56.8％。

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