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Information Journal Paper

Title

INVESTIGATION THE POSSIBILITY OF USING WASTEWATER FOR AGRICULTURE (CASE STUDY: SHAHREKORDʼS MUNICIPAL SEWAGE TREATMENT PLANT) (SHORT TECHNICAL REPORT)

Writers

ASGARI A. | ALBAJI M.

Pages

 Start Page 303 | End Page 308

Abstract

 Background and Objectives: With increasing restrictions on water resources, the use of WASTEWATER in agriculture as a source of UNCONVENTIONAL WATER and the only sustainable source of water, was expanded, especially in arid and semi-arid regions. The aim of this study was to examine the possibility of using WASTEWATER of Shahrekordʼs municipal sewage treatment plant for agriculture IRRIGATION.Materials and Methods: For this purpose, some of physical, chemical and microbial parameters of WASTEWATER quality of Shahrekordʼs municipal sewage treatment plant, in April-September 2015, were measured on a monthly basis and then compared with the standards of Iranian Environmental Protection Organization, World Health Organization (WHO) and World Food and Agricultural Organization (FAO).Results: According to the results of WATER QUALITY, the average amount of fecal and total coliforms in WASTEWATER during the study, were 6416.8 and 16966.7 (MPN (100 ml)-1), respectively; that was outside of the recommended permissible range by the Iranian environmental protection organization standards for using WASTEWATER in agriculture, so more chlorination is necessary before WASTEWATER discharge. In addition, based on the average value of microbial parameters, fecal coliform and the number of intestinal nematodes (0 N (100 ml)-1) and according to World Health Organization standards, the use of WASTEWATER for IRRIGATION of plants that can be eaten raw, is not possible. Also according to FAO standard, WASTEWATER application in terms of average amount of bicarbonate concentration in this period (4.64 me L-1), had low to moderate limitation for crops.Conclusion: The WASTEWATER of municipal sewage treatment plant in Shahrekord can be used for IRRIGATION of cereal and industrial crops resistant to high concentrations of bicarbonate.

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