Uso de cenizas de biomasa de olivo y escoria industrial: Comportamiento radiologico y extactivo

Abstract

The generation of high quantities of waste produced by the metallurgical and food industries - in particular slags and biological or biomass ashes - makes us rethink in its possible re-use as alternative raw materials to possibly use them in construction or civil engineering. The quantification of the major chemical and radioactive elements in: the raw materials used, blends with different percentages of raw materials and the leachates from the extraction studies to assess their behavior in the final phase of their environmental cycle, allows us to optimize the material and know the possibilities of eliminating the waste of these industries. These wastes used in construction are limited by both their radioactive content (directive EURATOM 2013/59) and their content of unhealthy leached elements. This paper presents the advantages and disadvantages that the use of the incorporation of slag and olive fly ash and bottom ash biomass in construction materials from the point of view of the presence of these elements from radiological and leaching behaviours.