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Paper Information

Journal:   AMIRKABIR   FALL 2006- WINTER 2007 , Volume 17 , Number 65-C; Page(s) 71 To 78.
 
Paper: 

INVESTIGATING ON EFFECTIVE PARAMETERS IN CYANIDE ION TRANSPORT FROM TAILING DAMPS TO GROUND WATER RESOURCES (CASE STUDY: MUTEH GOLDMINE)

 
 
Author(s):  KHODADADI AHMAD*, ABD ELAHI MAHMOUD, TEYMOURI P., SAMIEI A.A.
 
* 
 
Abstract: 

Research indicates that various hydrological parameters affect the transport of cyanide from tailing dam to groundwater including porosity of the soil, type of the soil, aquifer characteristics and effective velocity of groundwater. Cyanide is often used by chemical and mineral industries especially in gold, lead and zinc processing. The transport of cyanide to water recourses is one of the most important environmental issues due to the acutely toxic properties of many cyanide compounds to humans and acute life. The investigation of cyanide fate into the soil can help to predict the adsorption and transport of cyanide into groundwater. Tailing wastewater which contains about 250 mg/lit cyanide was obtained from Muteh gold mine factory. Three types of clays soils including a soil from around tailing dam, natural clay samples from Tehran and bentonite clay were used for the coefficient of permeability tests. The volumes of effluents, coefficient of permeability' and concentration of cyanide were measures at specific times. Cyanide concentration in effluents was determined by Rhodanine indicator solution regarding the standard titration method. The results indicate that very little of cyanide was absorbed along the column regardless the type of the clays soil which was employed in this research.

 
Keyword(s): CLAYS, COEFFICIENT OF PERMEABILITY, CYANIDE TRANSPORT
 
References: 
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