Asnida Yanti Ani

Pyrolysis of spent coffee ground: optimization of operating parameters on product yield

N. Othman, Razi Ahmad, Asnida Yanti Ani, Syarifah Nursyimi Azlina Syed Ismail

Abstract This research aims to optimize the pyrolysis process of spent coffee grounds (SCG) utilizing a fixed bed reactor system. Response surface methodology (RSM) with central composite design (CCD) was employed to determine the optimal conditions for maximizing the yield of bio-char, …

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Synergistic Effect Between Empty Fruit Bunch and HDPE on Products Yield and Functional Group Content in Bio-fuels Produced from Co-liquefaction Process Under Supercritical Methanol Condition

Asnida Yanti Ani, Siti Nurlia Ali, Nur Rahimah Ibrahim, Razi Ahmad et autres

Synergism between biomass and plastic waste during co-processing reported to produce higher products yield with enhanced quality which thereby solving the problems of high oxygenated compounds and low yields with high viscosity in oil from its individual processing. However, study on synergistic …

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Bio-Char And Bio-Oil Production From Pyrolysis of Palm Kernel Shell And Polyethylene

Nur Rahimah Ibrahim, Razi Ahmad, Wan Amiza Amneera Wan Ahmad, Vijean VIKNESWARAN et autres

In recent years, palm kernel shell (PKS) has become a viable feedstock for making biofuels and value-added commodities using a variety of thermal conversion routes. Therefore, significant conservation is required for PKS as a resource for fuel production

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Influence of pretreated coconut shell on gasification product yield

Sobri Muda, Razi Ahmad, Suja Mohammed, W.A.M Wan Ahmad et autres

Gasification of untreated and pretreated coconut shell (CS) was carried out in a fixed-bed reactor to assess the effect of temperature (600, 650, 700, 750, and 800 °C) and holding time (30 and 40 min) on gases composition. The untreated CS was …

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Conversion of biomass to biofuels

Mohd Azlan Mohd Ishak, Asnida Yanti Ani, Syarifah Nursyimi Azlina Syed Ismail, Muhammad Luqman Md Ali et autres

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List of contributors

Peer Mohamed Abdul, Menandro N. Acda, Jonas Karl Christopher N. Agutaya, Razi Ahmad et autres

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The Effect of Pretreated Palm Kernel Shell and Mukah Balingian Coal Co-gasification on Product Yield and Gaseous Composition

Razi Ahmad, Mohd Azlan Mohd Ishak, Khudzir Ismail, Nur Nasulhah Kasim et autres

In this study, co-gasification of palm kernel shell (PKS) and low-rank Malaysian coal (MB) was carried out in a fixed bed reactor. For the pretreated samples, PKS was torrefied at 270°C (PKSTo) and MB was preheated at 250°C (MBPr) f

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Modification and characterization of C-doped TiO2 photocatalysts for photodegradation of reactive red (RR4)

W.I. Nawawi, Asnida Yanti Ani, Mohd Azlan Mohd Ishak, Azliana Ramli et autres

ABSTRACT Carbon doped TiO 2 (C-doped TiO 2 ) photocatalyst was prepared by using polyethylene glycol (PEG) as carbon precursor under calcination process using muffle furnace. The modified C-doped was immobilized onto a glass plate by using brush and DSAT method with …

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In-situ Transesterification of Jatropha curcas L. Seeds for Biodiesel Production using Supercritical Methanol

Mohd Azlan Mohd Ishak, Khudzir Ismail, W.I. Nawawi, Ali H. Jawad et autres

In-situ supercritical methanol transesterification for production of biodiesel from Jatropha curcas L. (JCL) seeds was successfully being carried out via batch-wise reactor system, under varying temperatures of 180 - 300 °C, pressures of 6 - 18 MPa, reaction time of 5 - …

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Characteristics and Thermal Behaviour of Low Rank Malaysian Coals towards Liquefaction Performance via Thermogravimetric Analysis

Mohd Azlan Mohd Ishak, Khudzir Ismail, W.I. Nawawi, Ali H. Jawad et autres

In this study, thermal behaviour of two low-rank Malaysian coals namely Mukah Balingian (MB) and Batu Arang (BA) were obtained under pyrolysis conditions via Thermogravimetric analysis (TGA) at a heating rate of 20°C min -1 .The thermal characteristics of the coals were …

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Overview of Obtaining Alternative Fuels in The Coliquefaction Processes with Biomass and Coal in Malaysia

Mohd Azlan Mohd Ishak, Siti Nur Ain Mohd Hassan, Siti Nurlia Ali, Mohd Fauzi Abdullah et autres

Overview of Obtaining Alternative Fuels in The Coliquefaction Processes with Biomass and Coal in Malaysia

Extraction of Oil from Jatropha curcas L. Seed and Kernel at Supercritical Hexane via High-Temperature High-Pressure Batch Wise Reactor System

Mohd Azlan Mohd Ishak, Hazilia Hussain, Khudzir Ismail, W.I. Nawawi et autres

Extraction of oil from Jatropha curcas L. seed and kernel using hexane as solvent was performed at supercritical state of hexane; temperature from 200-280 °C, pressure from 4-12 MPa, with fixed 30 min extraction time, sample ratio to solvent 1:40 (w/v), and …

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