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Dive into the research topics where Mazura Jusoh is active.

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Featured researches published by Mazura Jusoh.


Journal of Nanomaterials | 2014

Isolation, characterization, and application of nanocellulose from oil palm empty fruit bunch fiber as nanocomposites

N. S. Lani; Norzita Ngadi; Anwar Johari; Mazura Jusoh

Nanocomposites, consisting of a polymeric matrix and nanosized elements as reinforcement, have attracted significant scientific attention because of their high mechanical performance. A large variety of nanocomposites have been prepared using bio-based materials as a matrix and nanoreinforcement, so that it can reduce the dependence on nondegradable products and move to a sustainable materials basis. The objective of this study was to isolate nanocellulose from empty fruit bunch (EFB) fiber and their reinforcing effect on polyvinyl alcohol (PVA)/starch blend films. A series of PVA/starch films with different content of nanocellulose were prepared by solution casting method. Nanocellulose fiber with diameters ranging from 4 to 15nm has been successfully prepared. On the other hand, PVA/starch films reinforced with nanocellulose fiber possess significantly improved properties compared to unreinforced film. From the results, PVA/starch films with the addition of 5% (v/v) of nanocellulose exhibited best combination of properties. This nanocomposite was found to have tensile strength at about 5.694 MPa and elongation at break was 481.85%. In addition to good mechanical properties, this nanocomposite has good water resistance and biodegradability.


Applied Mechanics and Materials | 2014

Synthesis and Application of Carbon Cryogel Beads Using Coconut Husk for Dye Removal

Norzita Ngadi; Mazura Jusoh; Roshanida A. Rahman; Zurina Mohamad

The production cost of carbon cryogels has been reduced by using alternative starting materials as precursor such as wattle tannin and furfural. In this study, a novel carbon cryogel beads were synthesized from low cost and abundant agricultural waste, coconut husk. Lignin was extracted and the percentages of lignin yield and lignin degradation were 27.63% and 13.39wt% respectively which were considered low due to the low operating temperature of lignin extraction in this study. The lignin extracted was then mixed with formaldehyde, sodium hydroxide, ethanol, and distilled water to undergo sol-gel polycondensation, followed by freeze drying and pyrolysis in an inert atmosphere to produce carbon cryogel beads. The adsorption of methyl blue on carbon cryogel beads increased with increasing with pH, initial dye concentration and temperature.


Applied Mechanics and Materials | 2014

Renewable Coconut Shell Activated Carbon Based for Ethyl Orange Dye Removal

Norzita Ngadi; Mazura Jusoh; Hajar Alias; Zaki Yamani Zakaria

A study on the performance of a renewable activated carbon towards concentration reduction for ethyl orange dye was conducted. The coconut shell activated carbon was prepared by varying the carbonization temperature and impregnation ratio of chemical activation agent and coconut shell. The effect of adsorbent dosage and temperature on performance of the synthesized AC was determined. The finding showed that the impregnation ratio of 2 and carbonization temperature of 800 °C were the best condition to synthesis the activated carbon. The result also showed that the increment in adsorbent dosage increased the sorption capacity for coconut shell AC. However, the temperature changes caused the fluctuation in reduction of dye concentration. Comparison with commercial activated carbon indicated that coconut shell AC had proved to be a low cost and efficient adsorbent in this research.


Chemical engineering transactions | 2017

Preparation and characterisation of microwave assisted chlorinated glucose for biodiesel production from palm fatty acid distillate

Nur Nazlina Saimon; Mazura Jusoh; Norzita Ngadi; Zaki Yamani Zakaria

Biodiesel has a remarkable potential in substituting petroleum based fuel because it is non-Toxic, biodegradable, renewable and sulphur free. In this work, the esterification of palm fatty acid distillate (PFAD) over microwave assisted chlorinated glucose catalysts was investigated. PFAD is being chosen due to its lower cost compared to palm oil and stable its properties. Incomplete carbonised glucose (ICG) was prepared by heating the D-(+)-Glucose in microwave and crushed into powder form. The ICG powder was mixed with concentrated HCl acid and heated for 5, 7 and 9 min in microwave. The catalyst was then diluted with distilled water and washed using hot distilled water. The catalyst was then dried prior to the catalytic activity. Esterification conditions were molar ratio methanol: oil of 10 : 1, temperature at 70 °C, 2.5 wt% of catalyst loading and 90 min reaction time. Characterisation of catalyst was carried out by using Brunauer-Emmett-Teller (BET), Scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform-infrared (FTIR). The maximum biodiesel yield obtained was 91.78 % using the optimal chlorinated glucose catalyst which was heated for 5 min in the microwave. It can be deduced that microwave assisted chlorinated glucose acid catalyst could potentially reduce substantial amount of time, energy and cost to produce low cost feedstock biodiesel.


Applied Mechanics and Materials | 2014

Removal of Reactive Black 5 Dye Using a New Polyacrylamide Grafted Cellulose Flocculant Derived from Pandan Leaves: Optimization Study

Noor Yahida Yahya; Norzita Ngadi; Ida Idayu Muhamad; Mazura Jusoh

In this study, performance of polyacrylamide grafted cellulose flocculant derived from Pandan leaves to treat reactive black 5 (RB5) dye from aqueous solution were investigated. Response surface methodology (RSM) and Box-Behnken design (BBD) of experiment were employed to identify the optimum condition for chemical oxygen demand (COD) reduction in RB5 dye. The optimization was based on three operating variables; initial dye concentration, flocculant dosage and pH. The optimum condition for COD reduction was achieved at initial dye concentration of 0.03 g/l with flocculant dosage of 0.06 g, at pH 11.72. Under this condition, the reduction of COD was achieved up to 54.24%. Linear and quadratic effects of flocculant dosage and pH are the most significant in affecting the degree of flocculation efficiency. The coefficient of determination (R2) of 81.77% for percentage reduction of COD level confirms that the models used in predicting the degree of flocculation efficiency has a very good agreement with the experimental results.


International Biodeterioration & Biodegradation | 2015

Economic and environmental evaluation of landfill gas utilisation: A multi-period optimisation approach for low carbon regions

Saeed Isa Ahmed; Anwar Johari; Haslenda Hashim; Jeng Shiun Lim; Mazura Jusoh; Ramli Mat; Habib Alkali


Annals of Microbiology | 2012

Development and validation of a medium for recombinant endo-β-1,4-xylanase production by Kluyveromyces lactis using a statistical experimental design

Siti Fatimah Zaharah Mohamad Fuzi; Nor Muhammad Mahadi; Jamaliah Md Jahim; A. M A Murad; Farah Diba Abu Bakar; Mazura Jusoh; Roshanida A. Rahman; Rosli Md. Illias


Applied Thermal Engineering | 2011

Effects of fluidization number and air factor on the combustion of mixed solid waste in a fluidized bed

Anwar Johari; Haslenda Hashim; Mat Ramli; Mazura Jusoh; M. Rozainee


Chemical Engineering Research & Design | 2015

Spiral finned crystallizer for progressive freeze concentration process

Shafirah Samsuri; Nurul Aini Amran; Mazura Jusoh


Advances in Chemical Engineering and Science | 2013

Process Optimization of Effective Partition Constant in Progressive Freeze Concentration of Wastewater

Mazura Jusoh; Anwar Johari; Norzita Ngadi; Zaki Yamani Zakaria

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Zaki Yamani Zakaria

Universiti Teknologi Malaysia

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Anwar Johari

Universiti Teknologi Malaysia

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Norzita Ngadi

Universiti Teknologi Malaysia

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Norshafika Yahya

Universiti Teknologi Malaysia

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Haslenda Hashim

Universiti Teknologi Malaysia

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Roshanida A. Rahman

Universiti Teknologi Malaysia

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Hajar Alias

Universiti Teknologi Malaysia

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Nurul Aini Amran

Universiti Teknologi Petronas

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Ramli Mat

Universiti Teknologi Malaysia

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