SciELO - Scientific Electronic Library Online

 
vol.8 issue15Optimal Phase Balancing Planning for Loss Reduction in Distribution Systems using a Specialized Genetic AlgorithmBayesian estimation of a proportion under an asymmetric observation error author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Article

Indicators

Related links

  • On index processCited by Google
  • Have no similar articlesSimilars in SciELO
  • On index processSimilars in Google

Share


Ingeniería y Ciencia

Print version ISSN 1794-9165

Abstract

TORRES AGREDO, Janneth; TROCHEZ SERNA, Jenny J  and  MEJIA DE GUTIERREZ, Ruby. Reuse of a residue from petrochemical industry with portland cement. ing.cienc. [online]. 2012, vol.8, n.15, pp.141-156. ISSN 1794-9165.

In this article the possibility of using waste from the petrochemical industry, as partial replacement of Portland cement is studied, evaluating the presence of contaminants in the waste and the encapsulation, once it is confined on the cement. This has been done, in order to find a use to this residue without cause damage to the environment. This residue, called spent fluid catalytic cracking catalyst (FCC), is mainly formed by a type Y zeolite, which is dispersing in an inorganic oxides matrix. The toxicity characteristic leaching proceeding was applied, in mortars adding with 20% of FCC as Portland cement replacement. The results showed that the residue does not represent a problem from the point of view of the leaching of elements, such as As, Pb, Zn, Cr, and La, which were below to the permissible limits. Additionally, the pozzolanic activity of FCC was evaluated according to ASTM C311, where the efficiency of the residue as pozzolanic addition is demonstrated. With the results the importance of reusing a residue of the petrochemical industry is emphasized, that decreases the amount of cement to be used and improves the mechanical resistance of the materials containing it.

Keywords : Spent fluid catalytic cracking catalyst; heavy metals; stabilization/solidification; blended cement.

        · abstract in Spanish | Portuguese     · text in Spanish     · Spanish ( pdf )

 

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License