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Comparative study of influence of molecular structure of hydrogenocarbonate contaminants in adsorption process, using cactus pear forage (Opuntia fícus) as biomass

Lima LMR;
Alves AHA;
Tavares D;
Lima LMR;
Paiva AMS

Lenilde Mérgia Ribeiro Lima

Alysson Henrique de Albuquerque Alves

Débora Tavares

Lígia Maria Ribeiro Lima

Ana Maria Silva Paiva


Resumen

This work used adsorption technique to evaluate adsorption efficiency of an easily accessible biomass in Paraiba, cactus pear forage (Opuntia fícus), to remove organic contaminants from water/lubricating oil and water/diesel oil systems present in water bodies. Study was developed to obtain kinetic curves to characterization of adsorption dynamics of lubricating oil and diesel oil in contact with biomass. For this, methodology described by Lima et al. (2014), which used mandacaru biomass (Cereus jamacaruna) in particulate form to remove gasoline/diesel mixture, which consisted of: preparing biomass on particulate form, for further granulometric analysis, using sieves; conducting experiments to investigate adsorption kinetics and to obtain adsorption isotherms to complementation of equilibrium study. In despite low adsorption values confirmed by kinetics and equilibrium adsorption graphs, at some points 50% of adsorbed lubricating oil was obtained, which may characterize cactus pear forage as a relatively efficient adsorbent. Low values obtained on adsorption of diesel oil may have been influenced by molecular structure of diesel, constituted of long chains that may have favored oscillations on adsorption by means of cactus pear forage biomass.

 

DOI:https://doi.org/10.56238/uniknowindevolp-044


Creative Commons License

Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.

Derechos de autor 2023 Lenilde Mérgia Ribeiro Lima, Alysson Henrique de Albuquerque Alves, Débora Tavares, Lígia Maria Ribeiro Lima, Ana Maria Silva Paiva

##plugins.themes.gdThemes.article.Authors##

  • Lenilde Mérgia Ribeiro Lima
  • Alysson Henrique de Albuquerque Alves
  • Débora Tavares
  • Lígia Maria Ribeiro Lima
  • Ana Maria Silva Paiva