Characteristics of pipe corrosion scales in untreated water distribution system and effect on water quality in Peshawar, Pakistan

This study investigated the characteristics of iron corrosion scales in pipes at tube well, overhead tank, and consumers’ end in older untreated water distribution system in Peshawar city, Pakistan. Effect of water quality conditions on corrosion scales and that of scales on drinking water quality i...

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Published in:Environmental science and pollution research international 2019-02, Vol.26 (6), p.5794-5803
Main Authors: Shams, Dilawar Farhan, Islam, Saeed, Shi, Baoyou, Khan, Waliullah, Gunawardana, Buddhika, Saad, Maryam, Qasim, Muhammad, Javed, Haider Ali, Afridi, Sahib Gul, Naeem, Muhammad, Khan, Gul Shahzada
Format: Article
Language:English
Subjects:
Alkalinity
Aluminum
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Bacterial corrosion
Biofilms
Cadmium
Carbonates
Chemical composition
Chromium
Consumers
Copper
Corrosion
Corrosion effects
Corrosion rate
Destabilization
Dissolution
Dissolved oxygen
Drinking water
Drinking Water - chemistry
Earth and Environmental Science
Ecotoxicology
Electrical conductivity
Electrical resistivity
Electron microscopes
Environment
Environmental Chemistry
Environmental Health
Environmental science
Ferric Compounds
Ferrosoferric Oxide
Goethite
Heavy metals
Iron
Iron Compounds
Magnetite
Manganese
Microbial activity
Minerals
Morphology
Organic chemistry
Oxidation
Pakistan
Quartz
Research Article
Scale (corrosion)
Scanning electron microscopy
Trace metals
Turbidity
Waste Water Technology
Water
Water distribution
Water distribution systems
Water engineering
Water Management
Water Pollutants, Chemical - analysis
Water Pollution Control
Water Quality
Water Supply - methods
Water Supply - statistics & numerical data
X-Ray Diffraction
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cited_by cdi_FETCH-LOGICAL-c441t-d48c4ae8a6826c77a3413e56fc02b04919cb02e01063a0c65ef98dca866ee4393
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container_issue 6
container_start_page 5794
container_title Environmental science and pollution research international
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creator Shams, Dilawar Farhan
Islam, Saeed
Shi, Baoyou
Khan, Waliullah
Gunawardana, Buddhika
Saad, Maryam
Qasim, Muhammad
Javed, Haider Ali
Afridi, Sahib Gul
Naeem, Muhammad
Khan, Gul Shahzada
description This study investigated the characteristics of iron corrosion scales in pipes at tube well, overhead tank, and consumers’ end in older untreated water distribution system in Peshawar city, Pakistan. Effect of water quality conditions on corrosion scales and that of scales on drinking water quality in such systems was also assessed by undertaking a comparison with new piped distribution systems. The scales were analyzed for chemical composition and morphology using X-ray diffraction (XRD), inductively coupled plasma (ICP), and a scanning electron microscope (SEM), while water quality was examined for physicochemical and biological characteristics. The main crystalline phases of corrosion scales were goethite, magnetite, siderite, and quartz. From tube well to consumers’ end, goethite increased from 36 up to 48%, quartz declined from 22 to 15%, while magnetite fluctuated and siderite disappeared. Elemental composition of scales showed the deposition of Zn, Al, Mn, Cr, Pb, Cu, As, and Cd with Zn (13.9 g/kg) and Al (3.6 g/kg) in highest proportion. The SEM analysis illustrated the presence of microbial communities indicating the formation of biofilms in the corrosion scales. The significant difference ( P  
doi_str_mv 10.1007/s11356-018-04099-6
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Effect of water quality conditions on corrosion scales and that of scales on drinking water quality in such systems was also assessed by undertaking a comparison with new piped distribution systems. The scales were analyzed for chemical composition and morphology using X-ray diffraction (XRD), inductively coupled plasma (ICP), and a scanning electron microscope (SEM), while water quality was examined for physicochemical and biological characteristics. The main crystalline phases of corrosion scales were goethite, magnetite, siderite, and quartz. From tube well to consumers’ end, goethite increased from 36 up to 48%, quartz declined from 22 to 15%, while magnetite fluctuated and siderite disappeared. Elemental composition of scales showed the deposition of Zn, Al, Mn, Cr, Pb, Cu, As, and Cd with Zn (13.9 g/kg) and Al (3.6 g/kg) in highest proportion. The SEM analysis illustrated the presence of microbial communities indicating the formation of biofilms in the corrosion scales. The significant difference ( P  &lt; 0.05) in levels of dissolved oxygen (DO), Cl − , SiO 4 4− , electrical conductivity (EC), SO 4 2− , NO 3 − , alkalinity, hardness, and trace metals between old (DS-O) and new piped systems indicated their role in corrosion scale formation/destabilization and the effect of scale dissolution on water quality. 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Effect of water quality conditions on corrosion scales and that of scales on drinking water quality in such systems was also assessed by undertaking a comparison with new piped distribution systems. The scales were analyzed for chemical composition and morphology using X-ray diffraction (XRD), inductively coupled plasma (ICP), and a scanning electron microscope (SEM), while water quality was examined for physicochemical and biological characteristics. The main crystalline phases of corrosion scales were goethite, magnetite, siderite, and quartz. From tube well to consumers’ end, goethite increased from 36 up to 48%, quartz declined from 22 to 15%, while magnetite fluctuated and siderite disappeared. Elemental composition of scales showed the deposition of Zn, Al, Mn, Cr, Pb, Cu, As, and Cd with Zn (13.9 g/kg) and Al (3.6 g/kg) in highest proportion. The SEM analysis illustrated the presence of microbial communities indicating the formation of biofilms in the corrosion scales. The significant difference ( P  &lt; 0.05) in levels of dissolved oxygen (DO), Cl − , SiO 4 4− , electrical conductivity (EC), SO 4 2− , NO 3 − , alkalinity, hardness, and trace metals between old (DS-O) and new piped systems indicated their role in corrosion scale formation/destabilization and the effect of scale dissolution on water quality. 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Islam, Saeed ; Shi, Baoyou ; Khan, Waliullah ; Gunawardana, Buddhika ; Saad, Maryam ; Qasim, Muhammad ; Javed, Haider Ali ; Afridi, Sahib Gul ; Naeem, Muhammad ; Khan, Gul Shahzada</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c441t-d48c4ae8a6826c77a3413e56fc02b04919cb02e01063a0c65ef98dca866ee4393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alkalinity</topic><topic>Aluminum</topic><topic>Aquatic Pollution</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Bacterial corrosion</topic><topic>Biofilms</topic><topic>Cadmium</topic><topic>Carbonates</topic><topic>Chemical composition</topic><topic>Chromium</topic><topic>Consumers</topic><topic>Copper</topic><topic>Corrosion</topic><topic>Corrosion effects</topic><topic>Corrosion rate</topic><topic>Destabilization</topic><topic>Dissolution</topic><topic>Dissolved oxygen</topic><topic>Drinking water</topic><topic>Drinking Water - chemistry</topic><topic>Earth and Environmental Science</topic><topic>Ecotoxicology</topic><topic>Electrical conductivity</topic><topic>Electrical resistivity</topic><topic>Electron microscopes</topic><topic>Environment</topic><topic>Environmental Chemistry</topic><topic>Environmental Health</topic><topic>Environmental science</topic><topic>Ferric Compounds</topic><topic>Ferrosoferric Oxide</topic><topic>Goethite</topic><topic>Heavy metals</topic><topic>Iron</topic><topic>Iron Compounds</topic><topic>Magnetite</topic><topic>Manganese</topic><topic>Microbial activity</topic><topic>Minerals</topic><topic>Morphology</topic><topic>Organic chemistry</topic><topic>Oxidation</topic><topic>Pakistan</topic><topic>Quartz</topic><topic>Research Article</topic><topic>Scale (corrosion)</topic><topic>Scanning electron microscopy</topic><topic>Trace metals</topic><topic>Turbidity</topic><topic>Waste Water Technology</topic><topic>Water</topic><topic>Water distribution</topic><topic>Water distribution systems</topic><topic>Water engineering</topic><topic>Water Management</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Water Pollution Control</topic><topic>Water Quality</topic><topic>Water Supply - methods</topic><topic>Water Supply - statistics &amp; 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Effect of water quality conditions on corrosion scales and that of scales on drinking water quality in such systems was also assessed by undertaking a comparison with new piped distribution systems. The scales were analyzed for chemical composition and morphology using X-ray diffraction (XRD), inductively coupled plasma (ICP), and a scanning electron microscope (SEM), while water quality was examined for physicochemical and biological characteristics. The main crystalline phases of corrosion scales were goethite, magnetite, siderite, and quartz. From tube well to consumers’ end, goethite increased from 36 up to 48%, quartz declined from 22 to 15%, while magnetite fluctuated and siderite disappeared. Elemental composition of scales showed the deposition of Zn, Al, Mn, Cr, Pb, Cu, As, and Cd with Zn (13.9 g/kg) and Al (3.6 g/kg) in highest proportion. The SEM analysis illustrated the presence of microbial communities indicating the formation of biofilms in the corrosion scales. The significant difference ( P  &lt; 0.05) in levels of dissolved oxygen (DO), Cl − , SiO 4 4− , electrical conductivity (EC), SO 4 2− , NO 3 − , alkalinity, hardness, and trace metals between old (DS-O) and new piped systems indicated their role in corrosion scale formation/destabilization and the effect of scale dissolution on water quality. In DS-O, EC, Cu, and Mn were significantly higher ( P  &lt; 0.05), whereas turbidity, EC, DO, and SiO 4 4− significantly increased from source to consumers’ end implying a higher dissolution of scales and lowered corrosion rates in DS-O to utilize SiO 4 4− and DO for iron oxidation.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>30613893</pmid><doi>10.1007/s11356-018-04099-6</doi><tpages>10</tpages></addata></record>
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subjects Alkalinity
Aluminum
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Bacterial corrosion
Biofilms
Cadmium
Carbonates
Chemical composition
Chromium
Consumers
Copper
Corrosion
Corrosion effects
Corrosion rate
Destabilization
Dissolution
Dissolved oxygen
Drinking water
Drinking Water - chemistry
Earth and Environmental Science
Ecotoxicology
Electrical conductivity
Electrical resistivity
Electron microscopes
Environment
Environmental Chemistry
Environmental Health
Environmental science
Ferric Compounds
Ferrosoferric Oxide
Goethite
Heavy metals
Iron
Iron Compounds
Magnetite
Manganese
Microbial activity
Minerals
Morphology
Organic chemistry
Oxidation
Pakistan
Quartz
Research Article
Scale (corrosion)
Scanning electron microscopy
Trace metals
Turbidity
Waste Water Technology
Water
Water distribution
Water distribution systems
Water engineering
Water Management
Water Pollutants, Chemical - analysis
Water Pollution Control
Water Quality
Water Supply - methods
Water Supply - statistics & numerical data
X-Ray Diffraction
title Characteristics of pipe corrosion scales in untreated water distribution system and effect on water quality in Peshawar, Pakistan
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