Pergerakan kadmium (Cd) melalui tanah baki granit terpadat menggunakan kaedah kolum turasan mini

Translated title of the contribution: The movement of cadmium (Cd) through compacted granitic residual soil using mini column infiltration technique

Nur Aishah Zarime, Wan Zuhairi Wan Yaacob

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This research investigates the behaviour of cadmium (Cd) through compacted granite residual soils. Granite residual soil (BGR) was collected in Broga, Selangor and was subjected to three main test; physical test (particle size distribution, Atterberg Limit, specific gravity, compaction and permeability), chemical tests (pH, organic matter, specific surface area (SSA) and cation exchange capacity (CEC)) and mini column infiltration test. Column test followed the falling head permeability concepts where different g-force, samples thickness and different types of solutions were used in this study. Breakthrough curves show the concentration of Cd in granite residual soil becomes higher with the increasing of g-force. The adsorption capacity is increasing to the rotation rate of the centrifugal/gravity ranked as; 230G>520G>920G>1440G. Mobility of Cd through granite residual soil also become higher with increasing g-force. The breakthrough curves also showed that mobility of Cd inversely correlated with the thickness of the soil layer in the column. Penetration time through soil thickness 20 mm was longer than the 15 and 10 mm thickness. The amount of Cd adsorbed by granite residual soil in mixture solutions was lower than in single solution (less time to penetrate the breakthrough curve). Granite residual soil also has low buffering capacity (pHfinal= 4-7). The study concluded that physical-chemical characterization and sorption properties of soil using mini column infiltration test have very good linked to characterize granite residual soils material to functions as engineered clay liner.

Original languageMalay
Pages (from-to)1905-1912
Number of pages8
JournalSains Malaysiana
Volume45
Issue number12
Publication statusPublished - 1 Dec 2016

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residual soil
infiltration
cadmium
granite
breakthrough curve
permeability
gravity
Atterberg limit
clay liner
buffering
cation exchange capacity
test
compaction
penetration
soil
sorption
surface area
particle size
adsorption
organic matter

ASJC Scopus subject areas

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Cite this

Pergerakan kadmium (Cd) melalui tanah baki granit terpadat menggunakan kaedah kolum turasan mini. / Zarime, Nur Aishah; Wan Yaacob, Wan Zuhairi.

In: Sains Malaysiana, Vol. 45, No. 12, 01.12.2016, p. 1905-1912.

Research output: Contribution to journalArticle

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