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Dissertations / Theses on the topic 'Palm Oil Fuel Ash'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Mohamad, Zain Nor Hashimah. "The utilization of Palm Oil Fuel Ash in Aluminium Metal Matrix Composites Materials." Thesis, Curtin University, 2019. http://hdl.handle.net/20.500.11937/78125.

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Palm oil Fuel ash (POFA) are utilize to produce high technology material in Metal Matrix Composites. Using stir casting method, the experiment resulted in an enforced Mechanical and tribological properties of the Aluminium 6061(AL6061) when fabricated with 5vol. % of POFA. The tensile strength is improved when applying POFA size of 76µm<d<150µm. Meanwhile, an increased impact, hardness and coefficient of friction(COF), with the least weight loss were reported when size <75µm POFA particles were used.

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2

Tang, Wei Le. "Carbonation of Concrete Incorporating High Volume of Micro and Low Volume of Nano Palm Oil Fuel Ash." Thesis, Curtin University, 2018. http://hdl.handle.net/20.500.11937/70498.

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This research determines the carbonation resistance of concrete containing micro and nano palm oil fuel ash (POFA) using accelerate carbonation testing. Microstructures were studied using XRF, XRD and SEM. Workability and sorptivity rate were also tested. The results show that 10% micro POFA with 0.5% nano POFA had the highest carbonation resistance. Further increasing the amount of POFA would decrease the carbonation resistance of concrete.

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3

Wan, Hassan Wan Nur Firdaus. "Mix Design Optimisation and Durability Study of High Performance Concrete Containing Micro and Nano Palm Oil Fuel Ash." Thesis, Curtin University, 2019. http://hdl.handle.net/20.500.11937/77053.

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This study investigated the effect of micro and nano POFA as supplementary cementitious materials on the strength and durability properties of high-performance concrete. The study herein developed mathematical models to predict the workability and strengths properties of concrete containing micro and nano POFA. A numerical optimization was performed to obtain the optimal range of micro and nano POFA in the concrete mix design. Durability properties tests verified the significant effects of the optimum proposed binders in the design mix.

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4

Ani, Farid Nasir Hj. "The utilisation of palm oil and its solid waste products as fuel." Thesis, University of Leeds, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270338.

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5

Tovar, Daniel Abraham. "Particle Morphology and Elemental Composition of Heavy Fuel Oil Ash at Varying Atomization Pressures." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/3996.

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Land-based turbine engines are currently used to burn heavy fuel oil (HFO), which is a lower cost fuel. HFO contains inorganic material that forms deposits on turbine blades reducing output and efficiency. Magnesium based additives are used to inhibit vanadium pentoxide deposition and reduce the corrosive nature of the gas and deposits in the hot gas path of the gas turbine. The focus of this study was to determine particle morphology and elemental composition of ash when firing HFO in an atmospheric combustor at various fuel injector atomization pressures. Prior to firing, the HFO was washed

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6

Lee, Sanghoon. "The long-term weathering of pulverised fuel ash and its implications for groundwater pollution." Thesis, University of Sheffield, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299821.

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7

Zronek, Steven C. "Fly-ash particulates analysis of no. 6 fuel oil and coal-oil-water slurries in a small industrial boiler." Ohio University / OhioLINK, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1183383569.

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8

Tshizanga, Ngoya. "A study of biodiesel production from waste vegetable oil using eggshell ash as a heterogeneous catalyst." Thesis, Cape Peninsula University of Technology, 2015. http://hdl.handle.net/20.500.11838/2153.

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Thesis (MTech (Chemical Engineering))--Cape Peninsula University of Technology.<br>While biodiesel has the potential to resolve the energy crisis, its production is hampered by both feedstock and catalyst availability. The aim of this current study is to investigate the production of biodiesel from waste vegetable oil (WVO) as feedstock under heterogeneous catalysis, mediated by calcined eggshell ash. WVO, characterised by 9% free fatty acid (FFA) and 0.17wt% water content, was employed as feedstock in the biodiesel production via transesterification reaction. The composition of WVO was determ

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9

Chok, Vui Soon. "Experimental study of a compartmented fluidized bed gasifier for fuel gas production from oil palm shell biomass." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1173.

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Both experimental study of pilot plant scale cold flow model and pilot plant performance testing were carried out in this research with particular reference to palm shell as a biomass feedstock. The reactor was based on the concept of compartmented fluidized bed gasifier (CFBG). Sand was used as second fluidizing material.From the cold flow model, the single component (sand) system characteristic fluidization velocities for the gasifier are larger than those observed in the combustor. These differences can be minimized by utilizing larger sand size. The existing correlations are modified for t

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10

Wik, Maria. "Environmental records of carbonaceous fly-ash particles from fossil-fuel combustion." Doctoral thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 1992. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-110675.

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Fossil fuel combustion produces fly-ash particles that are released into the atmosphere and deposited in the environment. A particularly characteristic kind of fly-ash is spheroidal carbonaceous particles. They are composed of an amorphous carbon matrix in which other elements are dispersed. The elemental carbon content makes them very resistant to chemical degradation and these particles can be relatively easily extracted from sediment and soil samples using a method described in this thesis. The distribution of spheroidal carbonaceous particles in lake sediment profiles, surface sediments an

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11

Okoronkwo, Chijioke David. "Developing sustainable and environmentally friendly building materials in rammed earth construction." Thesis, University of Wolverhampton, 2015. http://hdl.handle.net/2436/612020.

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Building rammed earth structures provides a sustainable alternative to concrete. As a building material, rammed earth exhibits very varied physical and material properties depending on the proportion of constituting soil types. When very sandy soil is used in rammed earth production, the properties are different from when a clayey soil is used. This variability can be seen as a very great advantage in the use of rammed earth as a building material. Builders are able to adjust specific properties by changing mix proportions to obtain a desirable balance in the characteristics of the resulting r

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12

Zaninetti, Rean Augusto [UNESP]. "Caracterização do óleo de frutos de tucumã (Astrocaryum aculeatum) para produção de biodiesel." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/88298.

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Made available in DSpace on 2014-06-11T19:23:24Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-11-20Bitstream added on 2014-06-13T19:29:19Z : No. of bitstreams: 1 zaninetti_ra_me_jabo.pdf: 1868941 bytes, checksum: 35f5d09c9012f6e14fec157642a20088 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Na região Amazônica Sul - Ocidental encontram-se espécies cujos frutos encerram quantidade apreciável de óleo com valor econômico para diferentes aplicações industriais, como a produção de biodiesel. O presente trabalho teve como objetivo avaliar o potencial do ó

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13

Zaninetti, Rean Augusto. "Caracterização do óleo de frutos de tucumã (Astrocaryum aculeatum) para produção de biodiesel /." Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/88298.

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Resumo: Na região Amazônica Sul - Ocidental encontram-se espécies cujos frutos encerram quantidade apreciável de óleo com valor econômico para diferentes aplicações industriais, como a produção de biodiesel. O presente trabalho teve como objetivo avaliar o potencial do óleo de tucumã (Astrocaryum aculeatum) para produção de biodiesel. Os frutos de tucumã foram colhidos em áreas ao longo das BR- 364 e BR-317 a aproximadamente 150 km de Rio Branco - AC. Dos frutos, avaliou-se a massa, e posteriormente foram despolpados com a finalidade de separá-los em: polpa (epicarpo + mesocarpo), castanha ou

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14

Marzullo, Rita de Cassia Monteiro. "Análise de ecoeficiência dos óleos vegetais oriundos da soja e palma, visando a produção de biodiesel." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/3/3137/tde-09012008-155336/.

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O biodiesel é um combustível proveniente de fontes lipídicas renováveis (óleos ou gorduras, vegetais ou animais). Sua obtenção se dá por craqueamento (térmico ou catalítico) ou através das reações de transesterificação ou esterificação. Pela reação de transesterificação, se tem a reação de um triglicerídeo com um alcool de cadeia curta (etanol ou metanol) resultando na mistura de ésteres etílicos ou metílicos (biodiesel) mais a glicerina. Já na reação de esterificação, se tem a reação de ácidos graxos livres com um álcool, também de cadeia curta, resultando a mistura de ésteres sem a formação

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15

邱至強. "Investigation on Deteriorating Fuel Characteristics of Biodiesel from Palm Oil." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/41796262194065143485.

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16

Chen, Ming-Te, and 陳明德. "The Study on Applying Palm Oil Methyl Ester (POME) Blended Fuel in a Direct Injection Diesel Engine." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/x86n29.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>94<br>High productivity and low cost biodiesels for the palm oil is especially suitable for diesel engine. But the palm oil has the characteristics of bad fluidity in atmospheric temperature; it has to do the transesterification reaction to be palm oil methyl ester (POME). Therefore, it can be used in the region above 15℃, such as the seasons of summer and autumn in our country. The fuel system, lubrication system and the piston ring have been caused harmful affections in diesel engines for the long-term use of pure POME. In order to improve the poor fluidity of POM

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17

Lin, Won-Yih, and 林文益. "The Study on Applying Palm Kernel Oil Methyl Ester (PKME) Blended Fuel in a Direct InjectionDiesel Engine." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/5k83pq.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>94<br>One of the most attractive alternative biodiesels for diesel engines is palm kernel oil methyl ester (PKME), because it has the higher productivity and the lower cost than the other biodiesels. Moreover, PKME is burned easily due to the short chain carbon molecules, so the concentration of smoke can be improved effectively for diesel engines. The lubrication system, fuel system, and the mechanical parts have been caused harmful affections in diesel engines easily for the long-term use of pure biodiesels. Therefore, this study blends the different proportion of

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18

Chen, Yi-Jen, and 陳怡真. "Analysis of Variances and Optimization of the Transeterification of Palm Oil to Biodiesel Fuel by Experimental Design Methodology." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/13568300180005242953.

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碩士<br>中原大學<br>化學工程研究所<br>95<br>Abstract In this study, Response Surface Methodology was used to find out the processing optimization conditions and to discuss the interaction between the factors. The amounts of catalyst and methanol are the important factors in the transesterification reaction as well as the ratio for raw materials. The free fatty acid (FFA) in the oil will react with alkali-catalyst to produce soap. As water presented in the reaction, the yield is decreased also as shown in the literature. Therefore the small amount of catalyst will affect the quality of biodiesel. The facto

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19

Liu, Chung-Chin, and 林忠進. "The Study on the Effect of Fuel Injection Pressure in the DI Diesel Engine on the Blending Fuel of Palm Oil Methyl Ester (POME) with Premium Diesel." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/wpp6g2.

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碩士<br>國立臺北科技大學<br>機電整合研究所<br>94<br>The blending fuel 20% POME with PD (POME20) as compared with the blending fuel of 50% POME with PD not only can reduce the concentration of Smoke and HC, except the slightly higher BSFC and the concentration of NOx, but also can maintain the engine performance as compared with using PD. In addition, the engine performance and exhaust gas emissions are also affected by the fuel-injection pressure of diesel engine. Thus, this study focused on using different fuel-injection pressure to investigate the effects on POME20. Experimental results demonstrated that usi

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20

Murom, Banabas. "Study of nitrogen loss pathways in oil palm (Elaeis guineensis Jacq.) growing agro-ecosystems on volcanic ash soils in Papua New Guinea : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Soil Science at Massey University, Palmerston North, New Zealand." 2007. http://hdl.handle.net/10179/1449.

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Oil palm is the largest national crop produced in Papua New Guinea. It is grown on over 80,000 ha of young volcanic soils in five Provinces, employs over 12,000 workers and uses >12,000 tonnes of fertiliser to offset nitrogen deficiency which is the most limiting factor to production. Oil palms strip out 160 - 200 kg N ha-1 yr-1 from the soil. Nitrogen fertilisers account for 60-70 % of all variable production costs but 40-60 % of applied fertiliser cannot be accounted for. Few studies have investigated the amounts of nitrogen lost via leaching, denitrification, volatilisation or as surface ru

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