Evaluation of Turkish industrial wastes as blasting abrasives
 
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Middle East Technical University
 
 
Publication date: 2006-01-01
 
 
Physicochem. Probl. Miner. Process. 2006;40(1):117-124
 
industrial waste, surface preparation, abrasive, blast cleaning, slag
ABSTRACT
Surface preparation is the key factor in determining the success of a protective coating system. Failure to ensure high standards of surface preparation will eventually have a detrimental effect on the life and performance of the coating system applied. Preparation of steel is best achieved by the use of abrasive blast cleaning to remove millscale and rust and provide a suitable surface profile for application of the coating system. Materials from different origins can be used as a blasting medium including coal slag, smelter slag, mineral abrasives, metallic abrasives, and synthetic abrasives. This paper represents evaluation of Turkish industrial wastes as abrasives in blast cleaning operations. Three different slag samples of two sources were investigated. The samples were prepared by crushing, screening and washing. The chemical composition and physical characteristics of the samples were determined. All the samples were tested on industrial scale. Test results showed that converter slag meet all the specifications for abrasives and it can be used in blast cleaning operations. However, coal furnace slag and granulated blast furnace slag are not suitable for use as blasting abrasive.
eISSN:2084-4735
ISSN:1643-1049
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