The Use of Sub-Surface Constructed Wetlands for Wastewater Treatment in Cold Arid Climate

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LOTFI A.; Mamaghninejad M.

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Journal: Journal of Water and Soil Science Year:2020 | Volume:23 | Issue:4 Page(s): 253-265

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Information Journal Paper

Title

The Use of Sub-Surface Constructed Wetlands for Wastewater Treatment in Cold Arid Climate

Author(s)

LOTFI A. | Mamaghninejad M. | Issue Writer Certificate

Keywords

Urban wastewaterQ1

Constructed wetlandQ1

Wastewater treatmentQ1

Common redQ2

CattailQ1

Abstract

Constructed wetland as a purification system plays an important role in water and Wastewater treatment and so many research studies have been conducted to examine their efficiency for Wastewater treatment. The aim of this study was to evaluate the efficiency of Constructed wetland for Arak Wastewater treatment plant. In this research, the efficiency of three horizontal subsurface Constructed wetlands built with 3*12 meters in dimensions and 1 meter in depth was examined. In these Constructed wetlands, two plants including Common reed (Phragmites australis) and Cattails (Typha latifolia) were planted and one unit was left unplanted. TSS, COD, BOD and TC parameters were measured in the 2 week samples and the results were analyzed by SPSS and Excel. The results showed that the type of vegetation had no significant influence on the organic matter removal in the subsurface Constructed wetlands; however, the removal efficiencies in the planted Constructed wetlands were more than those in the unplanted control one. The TSS, COD, BOD, FC and TC removal efficiency in the Constructed wetlands changes was 79%, 60. 7%, 45. 6%, 86. 1% and 90. 1%, respectively, for Common reed wetland and 77%, 61. 4%, 59. 8%, 92. 4% and 93. 1%, respectively, for Cattails wetland; thee were 69%, 44. 5%, 43%, 83. 6% and 88. 8% for the unplanted wetland, respectively. The results of this research also showed that the organic matter removal was dependent on the influent organics nature and biodegradability. The organic concentration in the wetland effluents met the Iranian regulation limits for different reuse applications, showing the Constructed wetland could be a suitable technology for Wastewater treatment in Iran.

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APA: Copy

LOTFI, A., & Mamaghninejad, M.. (2020). The Use of Sub-Surface Constructed Wetlands for Wastewater Treatment in Cold Arid Climate. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 23(4 ), 253-265. SID. https://sid.ir/paper/364623/en

Vancouver: Copy

LOTFI A., Mamaghninejad M.. The Use of Sub-Surface Constructed Wetlands for Wastewater Treatment in Cold Arid Climate. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2020;23(4 ):253-265. Available from: https://sid.ir/paper/364623/en

IEEE: Copy

A. LOTFI, and M. Mamaghninejad, “The Use of Sub-Surface Constructed Wetlands for Wastewater Treatment in Cold Arid Climate,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 23, no. 4 , pp. 253–265, 2020, [Online]. Available: https://sid.ir/paper/364623/en

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