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| Content Provider | Springer Nature Link |
|---|---|
| Author | Mahvi, A. H. Malakootian, M. Heidari, M. R. |
| Copyright Year | 2011 |
| Abstract | Removal of natural organic matter (NOM) is one of the most important objectives of water treatment plants but reducing these pollutants either present in water as dissolved or suspended form is not as efficient as is required in conventional treatment plants. The purpose of this study was comparison performance of composite polyaluminum silicate chloride (PASiC) and electrocoagulation (EC) process by aluminum electrodes in NOM removal from raw surface water. In this study, the effects of turbidity, total organic compounds (carbons) (TOC), adsorption at a wavelength of 254 nm (UV254), chemical oxygen demand (COD), alkalinity, residual aluminum in finished water by application of EC process and PASiC were investigated. The results demonstrate that PASiC coagulant at optimum concentration of 1–5 ml/L was capable of removing TOC, COD, U.V., and turbidity from raw water by 93.77, 93.5, 63 and 95 %, respectively. In contrast, EC process, removed TOC, COD, UV and turbidity from raw water by 89, 99.75, 37 and 50%, respectively. The pilot-scale results demonstrated the significant advantage of PASiC compared to EC process in removal of NOM and turbidity form raw water. Residual aluminum in finished water was below the recommended WHO guidelines 0.2 mg/L for both processes. Finally it can be concluded that PASiC and EC process are reliable, efficient and cost-effective methods for removal of NOM from surface water. |
| Starting Page | 377 |
| Ending Page | 385 |
| Page Count | 9 |
| File Format | |
| ISSN | 1063455X |
| Journal | Journal of Water Chemistry and Technology |
| Volume Number | 33 |
| Issue Number | 6 |
| e-ISSN | 1934936X |
| Language | English |
| Publisher | Allerton Press, Inc. |
| Publisher Date | 2012-01-08 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | polyaluminum silicate chloride electrocoagulation natural organic matter Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Industrial Chemistry/Chemical Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Water Science and Technology |
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