REMOVAL OF HEAVY METALS FROM SURFACE RUNOFF USING PERMEABLE PAVEMENT AGGREGATE LAYERS

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GHASEMI MOGHADAM AMIR; MOKHTARANI NADER; KAVUSI AMIR

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Journal: Journal of Transportation Engineering Year:2016 | Volume:7 | Issue:4 Page(s): 629-640

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Title

REMOVAL OF HEAVY METALS FROM SURFACE RUNOFF USING PERMEABLE PAVEMENT AGGREGATE LAYERS

Author(s)

GHASEMI MOGHADAM AMIR | MOKHTARANI NADER | KAVUSI AMIR | Issue Writer Certificate

Keywords

PERMEABLE PAVEMENTQ2

RUNOFFQ1

POLLUTANTQ2

HEAVY METALSQ2

TREATMENTQ2

Abstract

Urban RUNOFF are usually contains significant amounts of POLLUTANTs such as HEAVY METALS and solid particles. High tendency to remain in the nature and accumulation in the food chain is the most important characteristics of HEAVY METALS. There are many alternative management strategies available to treat these contaminants. PERMEABLE PAVEMENT is one of the urban RUNOFF management methods that in addition to reduce the risk of urban flooding will help to improve the RUNOFF quality. The aim of this research was to investigate HEAVY METALS and also suspended solids removal from RUNOFF using slag, limestone and silica aggregates as filter and base layers of PERMEABLE PAVEMENT. All experiments were performed in cylindrical reactors with 0.6m height and 0.2m diameter. Each column was filed with a media depth of 0.5m (0.1 m for filter layer and 0.4 m for base layer). In order to determine the lifespan of the media synthetic RUNOFF in successive cycles was continuously injected through the column. The results of this study showed that the base and the filter layers of the PERMEABLE PAVEMENT can reduce effectively the total range of RUNOFF POLLUTANTs with high removal percentage. From three types of aggregates used as PERMEABLE PAVEMENT layers, slag material had better performance than the others. In this study the maximum removal of copper, zinc and suspended solids from RUNOFF within 24 hours, were 61, 89 and 82 percent respectively, which increase to 72, 95 and 99 percent after 120 hours. The total capacity of slag aggregates for the removal of Cu, Zn and TSS were also estimated to be 28, 95 and 15485 mg/kg respectively. Based on the results, along with the slag, limestone showed a higher ability to remove POLLUTANTs from RUNOFF as compared to silica.

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APA: Copy

GHASEMI MOGHADAM, AMIR, MOKHTARANI, NADER, & KAVUSI, AMIR. (2016). REMOVAL OF HEAVY METALS FROM SURFACE RUNOFF USING PERMEABLE PAVEMENT AGGREGATE LAYERS. JOURNAL OF TRANSPORTATION ENGINEERING, 7(4), 629-640. SID. https://sid.ir/paper/223981/en

Vancouver: Copy

GHASEMI MOGHADAM AMIR, MOKHTARANI NADER, KAVUSI AMIR. REMOVAL OF HEAVY METALS FROM SURFACE RUNOFF USING PERMEABLE PAVEMENT AGGREGATE LAYERS. JOURNAL OF TRANSPORTATION ENGINEERING[Internet]. 2016;7(4):629-640. Available from: https://sid.ir/paper/223981/en

IEEE: Copy

AMIR GHASEMI MOGHADAM, NADER MOKHTARANI, and AMIR KAVUSI, “REMOVAL OF HEAVY METALS FROM SURFACE RUNOFF USING PERMEABLE PAVEMENT AGGREGATE LAYERS,” JOURNAL OF TRANSPORTATION ENGINEERING, vol. 7, no. 4, pp. 629–640, 2016, [Online]. Available: https://sid.ir/paper/223981/en

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