用高性能膜对待Laguna De Bay水以菲律宾国家饮用水标准
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抽象的
对可靠的水供应的需求多年来一直在增长,菲律宾越来越紧迫。使用膜技术,难以治疗的水源现在是可行的供水选择。Hollow-fiber microfiltration (MF) membrane systems are especially effective in treating surface water supplies such as lakes, rivers, and reservoirs and are now used to supplement or to replace conventional water treatment technologies, e.g., rapid-mix, coagulation, sedimentation, and multimedia filtration. These low-pressure polymeric hollow-fiber membrane systems are used globally to treat surface and groundwaters for drinking water. High-quality drinking water (turbidity<0.1 NTU) can be assured by MF membranes, which effectively remove Cryptosporidium and Giardia and exceed United States EPA Surface Water Treatment Rule (SWTR) logremoval requirements. Hollow-fiber MF membrane systems made of the fluorocarbon polyvinylidenefluoride (PVDF) provide comprehensive oxidant compatibility that allows the oxidation and subsequent removal of iron and manganese. Taste and odor compounds are oxidized or removed by coagulants or powdered activated carbon. Automated integrity test procedures assure long-term membrane reliability. Low-pressure microfiltration technology is combined with reverse osmosis that removes dissolved solids caused by saltwater intrusion into the lake. This combined membrane system provides drinking water that surpasses the stringent water purity specifications of the Philippine National Standards for Drinking Water. Membrane systems can consistently produce drinking water with turbidity below 0.1 NTU, independent of feed water quality. This paper discusses design considerations for a custom-designed integrated membrane system combining hollow-fiber membrane technology with reverse osmosis to produce 100 million liters per day of potable and palatable drinking water (Fig.1).
建议引用
Wachinski,A. M.(2013)。用高性能膜对待Laguna De Bay Water致菲律宾国家饮用水标准。In M. L. C. Aralar, A. S. Borja, A. L. Palma, M. M. Mendoza, P. C. Ocampo, E. V. Manalili, & L. C. Darvin (Eds.), LakeCon2011: Building on the pillars of Integrated Lake Basin Management (Second National Congress on Philippine Lakes) (pp. 316-317). Los Baños, Laguna, Philippines: PCAARRD-DOST.
类型
会议论文伊斯坦
1656-8099.系列
第1/2013号课程摘要;收藏品
- Lakecon2011[30]
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