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Treatment Optimization of “Sorkheh Hesar Canal" Water for Re-use

Abbas Radhi, Amerah | 2016

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  1. Type of Document: M.Sc. Thesis
  2. Language: English
  3. Document No: 48619 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Borghei, Mahdi
  7. Abstract:
  8. Water is one of the world’s most valuable resources, yet it is under constant threat due to climate change, explosive population growth, and waste. One of the most promising efforts to stem the global water crisis is river contaminated, water reclamation and reuse. This study was carried out to investigate in the water quality “S. H. C.” using treatment techniques. Research project was to check out which method give maximum removal of TOC, COD and coliform, fecal coliform and TSS where this parameters exceeded the permissible limits and therefore “S. H. C.” water was contaminated by these parameters. After carrying out the study more from 8 month on water treatment "S. H. C." we get the following results.Raw water was collected from the "S. H. C." was used for coagulation – flocculation. Experiments show dose of aluminum sulphate 40 ppm has a great potential for efficient removal of COD, TSS up to 83.4, 93 %. Using carbon activated (GAC, PAC), it has been up to efficiency removal of COD 81.7, 75.6%.In second set of experiments, raw water was collected from the "S. H. C." using method conventional where subjected to aeration process and after parallelized three methods coagulation - flocculation and two different filters sand, GAC. Aeration was continuously through treatment process. Aeration of water reduced COD, TOC and coliform by 24.9, 30.6, 5.9 % respectively. Process coagulation, flocculation using dose of aluminum sulphate 60 ppm after aeration, reduced COD, TOC and coliform, fecal coliform by 83.1, 76.3, 61, 61 % respectively and dose of lime 6ppm after aeration, reduced COD, TOC and coliform, fecal coliform by 81.9, 74, 61, 61% respectively. Filtration, reduced COD, TOC and coliform, fecal coliform by 82, 80.4, 63, 62.9 % respectively. Adsorption reduced COD, TOC and coliform by 77.5, 76.6, 56.7 % respectively
  9. Keywords:
  10. Water Treatment ; Water Reusing ; Chemical Oxygen Demand (COD)Removal Ratio ; Air Strripping ; Sorkheh Hesar Canal

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