Mohamad, Maheera
(2014)
Minimization Of Heavy Metals Migration From Landfill Leachate By Using Admixture Of Laterite Soil And Pressmud.
Masters thesis, Perpustakaan Hamzah Sendut.
Abstract
This study emphasizes on field investigation and laboratory experiments involving
characterization of enhancing laterite soil as daily soil cover and their suitability as
proposed daily soil cover at the specifics landfill site. In this study, the laterite soil
samples were mixed with waste from sugar refinery process, pressmud at difference
percentage of weight ratio (10%, 30% and 50%). The physicochemical properties of the
laterite soil, pressmud and laterite soil-pressmud mixtures characterization as well as
leaching test were carried out. The physicochemical and engineering properties involved
compaction bebavior, permeability, cation exchange capacity (CEC), compressive stress
test and its surface functional groups. The leaching test method included batcb
equilibrium test and soil column test. The optimum value of water content in the soilpressmud
mixtures was determined in the compaction test. It was found out that the
higher pressmud content in the soil, the higber optimum water content value observed.
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