Carbonised palm kernel shell effect on the physico-chemical properties of clay-sand mixture

  • O.A. Abiola
  • A.O. Oke
Keywords: Clay-sand mixture, Carbonised palm kernel shell, Physico-chemical properties, chemical properties

Abstract

Carbonised palm kernel shell was employed to improve water purification property of clay-sand mixture used as water filter in the rural areas. Quantity of carbonised palm kernel shell in clay-sand mixture was varied. Different proportions of carbonised palm kernel shell were mixed with certain proportion of clay-sand mixture and used as samples-mix for the different analysis. Each samples-mix was tested for various physical as well as chemical properties. The results showed that linear shrinkage ranges between 0% and 6%, bulk density ranges between 1.02 g/cm3 to 2.21 g/cm3 , modulus of rupture of 46.54 kg/cm3 , reduction in water absorption of 25.21 to 12.31% and weight of the various samples-mix decrease with carbon addition while permeability to air, apparent porosity and flow rate rise. Samples with 0%, 5%, 10% and 15% carbon were stable at the calcinations temperature of 1450oC. The chemical analysis of the pure clay sample revealed 55.91% of SiO2. It can thus be concluded that the carbonized palm kernel shell in the mixture of the clay-sand is inversely proportional to the linear shrinkage, bulk density, modulus of rupture, water absorption and weight of the sample but directly proportional to permeability, apparent porosity and flow rate.

Published
2019-03-20
Section
Articles

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eISSN: 1596-3233