| View Larger Image | Efficiency of the hybrid coagulation-ultrafiltration water treatment process with the use of immersed hollow-fiber membranes [An article from: Desalination] | Digitalby K. Konieczny (Author), D. Sakol (Author), M. Bodzek (Author)
| List Price: | $10.95 | | | Available: | Available for download now |
| | Binding: | Digital | | Publisher: | Elsevier | | Publication Date: | October 30, 2006 |
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Product Description
This digital document is a journal article from Desalination, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.Description: The changes of concentration of several chemical substances existing in the surface water from the Czarna Przemsza River were examined during the ultrafiltration process carried out with 0.03 m PVDF immersed hollowfiber membranes. The volumetric permeate flux was constant (5.7x10^-^6 m^3/m^2.s). The tests were carried out in three ways: ultrafiltration process only and hybrid processes connecting coagulation (with the use of FeCl"3 or Fe"2(SO"4)"3) with ultrafiltration. The value of pH in the raw water was about 8.3-8.4. The results of statistical tests show a significant difference between the concentrations of turbidity, total iron, oxygen consumption, COD and absorbance UV (254 nm) during the ultrafiltration process. After the use of both FeCl"3 and Fe"2(SO"4)"3 coagulants, the retention coefficients of turbidity, oxygen consumption and absorbance increased. A minor decline of the retention coefficient of total iron, probably connected with the use of iron coagulants, was observed. |
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