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Information Journal Paper

Title

CHARACTERIZATION OF INDUSTRIAL WASTEWATER SLUDGE IN OMAN FROM THREE DIFFERENT REGIONS AND RECOMMENDATIONS FOR ALTERNATE REUSE APPLICATIONS

Pages

  1473-1481

Abstract

 Background: Domestic and industrial wastewaters are mostly treated by biological process such as activated sludge, aerobic pond, and anaerobic treatment. This study focuses on characterizing the quality of sewage sludge in the Sul-tanate of Oman chosen from three industrial sewage treatment plants (STPs): Rusayl Industrial Estate (RSL.IE); Sohar Industrial Estate (SIE); and Raysut Industrial Estate (RIE).Methods: Samples of recycled activated sludge (RAS) and wasted activated sludge (WAS) were collected over a period of 12 months across above mentioned STPs. Parameters analyzed are electrical conductivity (EC), potential of hydro-gen (pH), cations, anions and volatile content (VC).Results: The obtained values for pH and EC were low for both RAS and WAS samples, except EC values of RIE that was more than 1000 mS/cm. The range of VC percentages in RAS and WAS samples were 44 to 86% and 41 to 77%, respectively. The measured values for chloride, sulfate, nitrate and phosphate were higher than the other anions.Conclusion: The average values of the cations in RAS and WAS samples were within the Omani Standards, suitable for the re-use of sludge in agriculture except for Cd in RSL.IE. The study recommends that a regular maintenance should be performed at the studied STPs to prevent any accumulation of some harmful substances, which may affect the sludge quality, and the sludge drying beds should be large enough to handle the produced sludge for better man-agement.

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    Cite

    APA: Copy

    BAAWAIN, MAHAD S., AL JABRI, MOHSIN, & CHOUDRI, B.S.. (2015). CHARACTERIZATION OF INDUSTRIAL WASTEWATER SLUDGE IN OMAN FROM THREE DIFFERENT REGIONS AND RECOMMENDATIONS FOR ALTERNATE REUSE APPLICATIONS. IRANIAN JOURNAL OF PUBLIC HEALTH, 44(11), 1473-1481. SID. https://sid.ir/paper/273783/en

    Vancouver: Copy

    BAAWAIN MAHAD S., AL JABRI MOHSIN, CHOUDRI B.S.. CHARACTERIZATION OF INDUSTRIAL WASTEWATER SLUDGE IN OMAN FROM THREE DIFFERENT REGIONS AND RECOMMENDATIONS FOR ALTERNATE REUSE APPLICATIONS. IRANIAN JOURNAL OF PUBLIC HEALTH[Internet]. 2015;44(11):1473-1481. Available from: https://sid.ir/paper/273783/en

    IEEE: Copy

    MAHAD S. BAAWAIN, MOHSIN AL JABRI, and B.S. CHOUDRI, “CHARACTERIZATION OF INDUSTRIAL WASTEWATER SLUDGE IN OMAN FROM THREE DIFFERENT REGIONS AND RECOMMENDATIONS FOR ALTERNATE REUSE APPLICATIONS,” IRANIAN JOURNAL OF PUBLIC HEALTH, vol. 44, no. 11, pp. 1473–1481, 2015, [Online]. Available: https://sid.ir/paper/273783/en

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