Surface Water Quality: <i>Joint Discussion</i>

doi:10.1002/j.1551-8833.1964.tb01238.x

Journal AWWA

1964

DOI: 10.1002/j.1551-8833.1964.tb01238.x

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Surface Water Quality: Joint Discussion

Abstract: This article presents a joint discussion of surface water quality given at the Illinois Section Meeting in Chicago, Illinois, on March 21, 1963. Paper topics and their authors include: Problems in Water Treatment, by James C. Vaughn of the Chicago Department of Water and Sewers; and, Quality of Mississippi River Water, by W.R. Gelston of the Water Works Commission, Quincy, Illinois.

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Cited by 2 publications

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Simulation of Lead Removal by Chemical Treatment

Naylor¹,

Dague²

1975

Journal AWWA

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This study evaluates the effectiveness of a lime coagulation, lime, and limesoda ash softening in the removal of lead. The treatment processes were simulated at laboratory scaie oh a variety of waters having synthetically developed Chemical characteristics. All Systems reduced lead levels to 0.05 mg/l; however, alum coagulation was effective only in the pH range 8–9, not at near neutral values. Chemical softening in the solids‐contact mode resulted in virtually complete removal of lead.

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Simulation of Lead Removal by Chemical Treatment

Naylor¹,

Dague²

1975

Journal AWWA

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Studies on heavy metals in the ground waters of the city of Aligarh U.P. (India)

Ajmal

Uddin

1986

Environ Monit Assess

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A study was conducted to determine the levels of heavy metals Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn along with physico-chemical parameters in ground waters of Aligarh city, U.P. (India). Twenty seven samples of hand pump water and twenty three samples of municipal water supply were collected from different localities of the Aligarh city, five times during the period of two months at intervals of 12 days. The samples were analysed for physico-chemical characteristics (pH, electrical conductivity, chlorides, sulphates, total hardness, total alkalinity, nitrate-nitrogen, fluoride, calcium and magnesium) and heavy metal contents. The concentrations of heavy metals in the hand pump water samples were found in the ranges of Cd (ND-5.00); Cr (ND-30.00); Cu (ND-82.50); Fe (16.80-460.00); Mn (ND-425.00); Ni (ND-25.00); Pb (ND-25.00) and Zn (28.60-775.00) μg l(-1). The heavy metal concentrations in the municipal water supply samples were found to be Cd (ND-5.00); Cr (ND-25.00); Cu (ND-37.50); Fe (8.00-37.50); Mn (ND-320.00); Ni (ND-25.00); Pb (ND-25.00) and Zn (2.00-271.87) μg l(-1).It appears from the results of these studies the concentrations of Cd, Cr, Cu, Ni, Pb, and Zn in the ground waters of the Aligarh City were found to be lower than the prescribed limits of World Health Organisation (1984), whereas the values of Fe and Mn were found above the prescribed limits in some localities. The chloride total hardness and nitrate-nitrogen were comparatively higher in the hand pump water than the municipal supply water. The reason of higher values of these parameters may be ascribed to the surface disposal of sewage wastes, wastes from metal processing industries and other house hold refuses.

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Surface Water Quality: Joint Discussion

Cited by 2 publications

References 9 publications

Simulation of Lead Removal by Chemical Treatment

Simulation of Lead Removal by Chemical Treatment

Studies on heavy metals in the ground waters of the city of Aligarh U.P. (India)

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