REMOVAL OF NATURAL ORGANIC MATTER (NOMS) FROM WATER USING AIR STRIPPING SYSTEM

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DARGAHI A.; PIRSAHEB M.; POURESHGH Y.; DARGAHI ALI

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Journal Paper

Paper Information

Journal: JOURNAL OF HEALTH AND HYGIENE Year:2013 | Volume:4 | Issue:1 Page(s): 77-83

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Information Journal Paper

Title

REMOVAL OF NATURAL ORGANIC MATTER (NOMS) FROM WATER USING AIR STRIPPING SYSTEM

Author(s)

DARGAHI A. | PIRSAHEB M. | POURESHGH Y. | DARGAHI A.I | Issue Writer Certificate

Keywords

NATURAL ORGANIC MATTERQ2

ABSORPTIONQ2

WATER QUALITYQ1

WATER TREATMENTQ2

DEAERATIONQ2

Abstract

Background & Objectives: Pollution of water resources to organic matters and their associated problems including taste, odor, and formation of disinfectant by-products require evaluating removal methods for these materials from drinking water. This study aimed to evaluate performance of organic matter removal from water using deaerating system.Methods: A PVC pilot deaerator tower (diameter=15, height=140 cm) was designed, constructed, and used for this study. The system was loaded in flow rates of 0.6, 0.8, 1, 1.2, and 1.5 l/min. ABSORPTION of samples were measured at wavelength of 253.7 nm and COD was determined for all samples.Results: COD levels and ABSORPTION rates of samples decreased with time for flow rates of.6, 0.8, 1, and 1.2 l/min. However, ABSORPTION rates and CODs increased with increasing flow rate (except for flow rate of 1.5 l/min).Conclusion: DEAERATION tower system has capability to remove organic matters from water and the highest efficiency was observed at low flow rates. In addition, significant relationships (R2>0.95) was observed between COD and ABSORPTION rates (except for flow rate of 1.5 l/min), and that COD may be measured through determination of ABSORPTION rate at UV wave length.

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