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Title: Leaching Characteristics of Blended Mortars Containing Copper Slags

Author(s): M. I. Sanchez de Rojas, J. Rivera, M. Frias, J. L. Esteban, and M. 0laya

Publication: Symposium Paper

Volume: 221


Appears on pages(s): 925-940

Keywords: blended mortars; by-product; copper slag; leaching

DOI: 10.14359/13299

Date: 5/1/2004

Over the last few years environmental problems have caught the particular attention of the public, and this has led to various investigations that attempt to study and solve the focal point that cause environmental contamination. The main aim of this study is to determine the presence of polluting elements incorporated into the manufacture of cements and concretes, which might have a noxious effect on health. One way to incorporate this kind of element is by the incorporation of industrial by-products into cement. This paper studies the leaching of trace elements from copper slag, when this by-product is incorporated into cement mortars. A dynamic leaching test has been applied, in which the specimen is studied fully immersed in drinking water. To develop this test has been designed three tanks (reference drinking water, reference mortar and blended mortar), where the samples are continuously flowing. The quantification of leaching elements from the copper slag blended mortar is carried out to different contact time.


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