Browsing School of Environmental Engineering (Articles) by Title
Now showing items 1-20 of 129
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Adsorption and toxicity of heavy metals on activated sludge
(Science Society of Thailand, 2010-09)The adsorption of Cu, Cd, Ni, Zn, and Cr from synthetic solutions on powdered activated carbon (PAC), activated sludge, and dried sludge were investigated under laboratory conditions to assess its ability to remove heavy ... -
Adsorption behavior of cationic and anionic dyes onto acid treated coconut coir
(Taylor and Francis Group, LLC., 2013-09)The adsorption of Methylene Blue (MB) and Acid Orange 7 (AO7) from aqueous solutions by acid treated coconut coir was investigated under laboratory conditions to assess its potential in removing cationic and anionic dyes. ... -
Adsorption efficiency of garcinia mangostana linn. (GML) shells based activated carbon
(Trans Tech Publications, 2013)The objective of this study is to investigate the adsorption efficiency of Garcinia Mangostana Linn. (GML) shells based activated carbon using two synthetic dyes which are methylene blue and acid orange 7. The parameters ... -
Alteration in the microstructure of fly ash geopolymer upon exposure to elevated temperatures
(Trans Tech Publications, 2013)This paper represents the mechanical and microstructure changes in geopolymeric material synthesized by the alkali activation of locally source fly ash at high temperatures of 400, 600 and 800 °C. The high compressive ... -
Anaerobic treatment of olive mill wastewater and piggery effluents fermented with Candida tropicalis
(Elsevier B.V., 2009-05)Olive mill wastewater (OMW) contains high concentrations of phenolic compounds that are inhibitory to many microorganisms making it difficult to treat biologically prior to discharge in waterways. The total mono-cyclic ... -
Anaerobic treatment of olive mill wastewater and piggery effluents fermented with Candida tropicalis
(Elsevier B.V., 2008-09-24)Olive mill wastewater (OMW) contains high concentrations of phenolic compounds that are inhibitory to many microorganisms making it difficult to treat biologically prior to discharge in waterways. The total mono-cyclic ... -
Applicability of nano zero valent iron (nZVI) in sono-Fenton process
(Institute of Physics Publishing, 2014)Fenton process is one of the advanced oxidation processes (AOPs) used to remove complex organic pollutants in wastewater. In this study, instead of iron sulfate (FeSO4), nano zero valent iron (nZVI) was used as a major ... -
Awareness of the Industrialized Building System (IBS) implementation in Northern Malaysia - A case study in Perlis
(Elsevier B.V., 2013)The Industrialized Building Systems (IBS) can be defined in which all building components such as the wall, slab, beam, column and staircase are mass-produced either in the factory or on the factory site under strict quality ... -
The behaviours of steel fiber as main reinfocement in high performance slurry infiltrated fiber reinforced concrete
(Trans Tech Publications, 2014)Normally, the concrete structure fabricated by combining steel bars as main reinforcement to the concrete mix. In this methid, the steel fiber is randomly distributed in the mould before the concrete slurry takes place. ... -
Biological kinetics evaluation of anaerobic stabilization pond treatment of palm oil mill effluent
(Elsevier Ltd., 2009-11-21)Biological kinetic (bio-kinetic) study of the anaerobic stabilization pond treatment of palm oil mill effluent (POME) was carried out in a laboratory anaerobic bench scale reactor (ABSR). The reactor was operated at different ... -
Biosorption of iron (III) from aqueous solution using pleurotus ostreatus spent mushroom compost as biosorbent
(Trans Tech Publications, 2013)The ability of Pleurotus ostreatus spent mushroom compost for the biosorption of Iron (III) from aqueous solutions was investigated. The study was conducted in batch experiments under varying operating conditions. The ... -
Calcined kaolin geopolymeric powder: Influence of water- to geopolymeric powder ratio
(Trans Tech Publications, 2012-07)This paper describes the synthesis of calcined kaolin geopolymeric powder from the alkaline activation of calcined kaolin followed by solidification and pulverizing process. The geopolymeric powder was used by just adding ... -
Catalytic dehydrogenation of methylcyclohexane (MCH) to toluene in a palladium/alumina hollow fibre membrane reactor
(Malaysian Technical Universities Network (MTUN), 2012-11-20)A compact multifunctional Pd/alumina hollow fibre membrane reactor (HFMR) has been developed and used for the catalytic dehydrogenation of methylcyclohexane to toluene. The developed HFMR consists of a thin and defect-free ... -
Catalytic dehydrogenation of methylcyclohexane (MCH) to toluene in a palladium/alumina hollow fibre membrane reactor
(Elsevier Ltd., 2013)A compact multifunctional Pd/alumina hollow fibre membrane reactor (HFMR) has been developed and used for the catalytic dehydrogenation of methylcyclohexane to toluene. The developed HFMR consists of a thin and defect-free ... -
Changes in biologically-active ultraviolet radiation reaching the Earth's surface
(The Royal Society of Chemistry & Owner Societies, 2007)The Montreal Protocol is working. Concentrations of major ozone-depleting substances in the atmosphere are now decreasing, and the decline in total column amounts seen in the 1980s and 1990s at mid-latitudes has not ... -
Characteristics of airborne Pm₂.₅ and Pm₂.₅-₁₀ in the urban environment of Kuala Lumpur
(Scientific.Net, 2012-12)Gravimetric and elemental analyses were conducted at a site in Kuala Lumpur from 2008 to 2010, representing the local air quality of urban and traffic. Eighteen elements were detected by ED-XRF and was further analysed for ... -
Characterization of LUSI mud volcano as geopolymer raw material
(Trans Tech Publications, 2012)The mud of mud volcano samples were collected from an eruption site named 'LUSI' (Lumpur "mud" -Sidoarjo), East Java, Indonesia for characterization. Analysis showed that, the major constituents of mud are SiO 2 and Al 2O ... -
Characterization of nano zero-valent iron (nZVI) and its application in sono-Fenton process to remove COD in palm oil mill effluent
(Elsevier, 2014-03)Nano zero-valent iron (nZVI) has received great attention for its capability to treat wastewater. One of its applications is in an advanced oxidation process (AOP) called the sono-Fenton process. This study presents the ... -
Characterization of rambutan seed (Nephelium lappaceum) as natural adsorbent for wastewater treatment
(Trans Tech Publications, 2013)Activated carbons were prepared from rambutan seed with impregnation of zinc chloride as dehydrating agent. In order to find its characteristics, different zinc chloride to rambutan seed ratio (0.5 and 2) and activation ... -
Chemical & Mineralogical Properties of Fly Ash
(Malaysian Nuclear Society, 2007)Fly ash is the finely divided mineral residue resulting from the combustion of coal in electric generating plants. Fly ash consists of inorganic, incombustible matter present in the coal that has been fused during combustion ...