Publications

  1. Fuel Oil Blended Stock For Carbon Product Formation Via Pyrolysis Using Ni-Mo/ZSM-5 Bimetallic Catalyst Thermal Science and Engineering Progress 2451-9049 64 – 103793 2025 5.4 Publication in WOS Article/ Review Q1 Co-author
  2. Thermo-Kinetic Assessment Of Direct Cellulose Conversion To Ethyl Levulinate Using Brønsted-Lewis Acidic Ionic Liquid Chemical Engineering Research and Design 0263-8762 218 – 886-895 2025 3.9 Publication in WOS Article/ Review Q2 Corresponding Author
  3. Brønsted-Lewis Acidic Ionic Liquid as Dual-Acidity Catalyst for Direct Cellulose Liquefaction to Ethyl Levulinate Sustainable Energy & Fuels 2398-4902 – – In Press 2025 5.4 Publication in WOS Article/ Review Q2 Corresponding Author
  4. Experimental and Comparative Analysis on Properties and Performance of SO₃H-Functionalized Carbon Catalyst in Ethyl Levulinate Synthesis from Levulinic Acid Catalysis Surveys from Asia 1571-1013 – – 21-Jan 2025 2.1 Publication in WOS Article/ Review Q3 UTM First Author
  5. Unraveling dynamic analysis for ozonolysis pre-treatment of oil palm empty fruit bunch using sparse nonlinear optimizer and transport of diluted species interface Chemical Engineering Research and Design 0263-8762 213 – 335-354 2025 3.7 Publication in WOS Article/ Review Q2 Co-author
  6. Dual-Acidity Catalysts for Alkyl Levulinate Synthesis from Biomass Carbohydrates: A Review BioEnergy Research 1939-1234 17 2 790-815 2024 3.1 Publication in WOS Article/ Review Q2 Corresponding Author
  7. Strategic Band Alignment of Zinc Oxide Photoanode With Fibrous Silica Framework for Enhanced Photoelectrochemical Water Splitting Efficiency Journal of Electroanalytical Chemistry, 1572-6657 966 – 118385 2024 4.1 Publication in WOS Article/ Review Q1 Co-author
  8. Polycyclic Aromatic Hydrocarbons Occurrences in Biomass Char and Its Mitigation Approaches: A Mini Review ChemBioEng Reviews 2196-9744 10 4 462-479 2023 4.8 Publication in WOS Article/ Review Q1 Corresponding Author
  9. Ultra-high Surface Area Fibrous Silica-Zirconia Support for Renewable Energy Production by CO2 Methanation Molecular Catalysis 2468-8231 547 0 8-Jan 2023 4.6 Publication in WOS Article/ Review Q2 Co-author
  10. Synthesis of Ethyl Levulinate over Sulfonated Lignin-Based Carbon Catalyst as a Fuel Additive to Biodiesel-Diesel Blends towards Engine Emissions Journal of Cleaner Production 0959-6526 418 0 138101 2023 9.7 Publication in WOS Article/ Review Q1 UTM First Author
  11. Bio-fuel Additive Synthesized From Levulinic Acid Using Ionic Liquid-Furfural Based Carbon Catalyst: Kinetic, Thermodynamic And Mechanism Studies Chemical Engineering Science 92509 247 – 117079 2022 4.1 Publication in WOS Article/ Review Q2 Co-author
  12. Thermal degradation of hemicellulose and cellulose in ball-milled cedar and beech wood Journal of Wood Science 14350211 67 32 14-Jan 2021 2.5 Publication in WOS Article/ Review Q1 UTM First Author
  13. Effect of lignification on thermal degradation reactivities of hemicellulose and cellulose in wood cell walls Journal of Wood Science 16114663 67 1 11-Jan 2021 2.5 Publication in WOS Article/ Review Q1 UTM First Author
  14. Ethyl Levulinate Synthesis from Biomass Derivative Chemicals using Iron Doped Sulfonated Carbon Cryogel Catalyst Journal of Cleaner Production 9596526 281 – 14-Jan 2021 7.246 Publication in WOS Article/ Review Q1 Corresponding Author
  15. Methane Dry Reforming Using Oil Palm Shell Activated Carbon Supported Cobalt Catalyst: Multi-Response Optimization International Journal of Hydrogen Energy 3603199 46 48 24754-24767 2021 5.816 Publication in WOS Article/ Review Q2 Co-author
  16. High-Performance Bimetallic Catalysts for Low-Temperature Carbon Dioxide Reforming of Methane Chemical Engineering & Technology 9307516 43 4 661-671 2019 2.418 Publication in WOS Article/ Review Q2 Co-author
  17. Esterification of Levulinic Acid to Ethyl Levulinate Using Liquefied Oil Palm Frond-based Carbon Cryogel Catalyst BioEnergy Research 19391234 12 2 359-369 2019 2.938 Publication in WOS Article/ Review Q2 Co-author
  18. Synthesis and Characterization of Porous Microspherical Ionic Liquid Carbon Cryogel Catalyst for Ethyl Levulinate Production Diamond & Related Materials 9259635 95 – 154-165 2019 2.232 Publication in WOS Article/ Review Q1 Co-author
  19. Kinetics and Thermodynamic Analysis of Levulinic Acid Esterification Using Lignin-Furfural Carbon Cryogel Catalyst Renewable Energy 9601481 130 – 547-557 2019 4.9 Publication in WOS Article/ Review Q1 Co-author
  20. The Effect Of Uronic Acid Moieties On Xylan Pyrolysis. Journal Of Analytical And Applied Pyrolysis Journal of Analytical and Applied Pyrolysis 1652370 136 – 215-221 2018 3.468 Publication in WOS Article/ Review Q1 UTM First Author
  21. Exploiting Copper-Silica-Zirconia Cooperative Interactions For The Stabilization of Tetragonal Zirconia Catalysts and Enhancement of The Visible-Light Photodegradation of Bisphenol A Journal of the Taiwan Institute of Chemical Engineers 18761070 82 1 322-330 2017 4.217 Publication in WOS Article/ Review Q1 Co-author
  22. Dry Reforming of Methane over Oil Palm Shell Activated Carbon and ZSM-5 Supported Cobalt Catalysts International Journal of Green Energy 15435075 14 10 831-838 2017 1.454 Publication in WOS Article/ Review Q3 Co-author
  23. Effects of Thermal Treatment on Carbon Cryogel Preparation for Catalytic Esterification of Levulinic Acid to Ethyl Levulinate Fuel Processing Technology 3783820 167 – 431-441 2017 3.752 Publication in WOS Article/ Review Q1 Co-author
  24. Preparation and Characterization of Impregnated Magnetic Particles on Oil Palm Frond Activated Carbon for Metal Ions Removal Sains Malaysiana 1266039 46 5 773-782 2017 0.35 Publication in WOS Article/ Review Q3 Co-author
  25. Characteristics of Softwood and Hardwood Pyrolysis an An Ampoule Reactor Journal of Analytical and Applied Pyrolysi 1652370 124 – 523-535 2017 3.652 Publication in WOS Article/ Review Q1 Co-author
  26. Synthesis and Characterization of Carbon Cryogel Microspheres from Lignin-Furfural Mixtures for Biodiesel Bioresource Technology 9608524 190 – 44-50 2015 4.494 Publication in WOS Article/ Review Q1 Co-author
  27. Characterization of Oil Palm Shell Activated Carbon and ZSM-5 Supported Cobalt Catalysts Research Journal of Chemistry and Environment 9720626 17 10 64-68 2013 0.636 Publication in WOS Article/ Review Q4 Co-author
  28. Optimization of Levulinic Acid from Lignocellulosic Biomass using a New Hybrid Catalyst Bioresource Technology 9608524 116 – 58-65 2012 4.98 Publication in WOS Article/ Review Q1 Co-author
  29. The Effects of Combining Guaiacol and Syringol on their Pyrolysis Holzforschung 1437434X 66 – 323-330 2012 2.1 Publication in WOS Article/ Review Q1 UTM First Author
  30. Gas And Solid/Liquid Phase Reactions during Pyrolysis of Softwood and Hardwood Lignins Journal of Analytical and Applied Pyrolysis 1652370 92 2 417-425 2011 5.7 Publication in WOS Article/ Review Q1 UTM First Author
  31. Thermal Reactions of Guaiacol and Syringol as Lignin Model Aromatic Nuclei Journal of Analytical and Applied Pyrolysis 1652370 92 1 88-98 2011 5.7 Publication in WOS Article/ Review Q1 UTM First Author
  32. Thermal Reactivities of Catechols/Pyrogallols and Cresols/Xylenols as Lignin Pyrolysis Intermediates Journal of Analytical and Applied Pyrolysis 1652370 92 1 76-87 2011 5.7 Publication in WOS Article/ Review Q1 UTM First Author
  33. Pyrolysis Reactions of Japanese Cedar and Japanese Beech Woods in a Closed Ampoule Reactor Journal of Wood Science 14350211 56 – 319-330 2010 2.5 Publication in WOS Article/ Review Q1 UTM First Author
  1. Acidic Deep Eutectic Solvent as a Catalyst for the Esterification of Levulinic Acid to Ethyl Levulinate Bulletin of Chemical Reaction Engineering & Catalysis 1978-2993 20 1 53-63 2025 1.2 Publication in SCOPUS Article/ Review Q3 Co-author
  2. Recent Advances in Zinc Oxide-Based Photoanodes for Photoelectrochemical Water Splitting International Journal of Hydrogen Energy 0360-3199 In Press In Press In Press 2024 8.1 Publication in SCOPUS Article/ Review Q1 Co-author
  3. Optimization of Biochar Production from Slow Pyrolysis of Oil Palm Waste Chemical Engineering Transactions 22839216 97 – 163-168 2022 – Publication in SCOPUS Article/ Review – Corresponding Author
  4. Sulfonated Carbon Catalyst Prepared from Calcination of Lignin for Ethyl Levulinate Synthesis via Ethanolysis of Levulinic Acid Chemical Engineering Transactions 2839216 97 – 307-312 2022 – Publication in SCOPUS Article/ Review – UTM First Author
  5. Catalytic Pyrolysis of Fuel Oil Blended Stock for Bio-Oil Production: A Review Chemical Engineering Transactions 2839216 97 – 373-378 2022 – Publication in SCOPUS Article/ Review – Co-author
  6. A Review on Alkyl Levulinates Synthesis from Renewable Levulinic Acid using Various Modified Carbon-Based Catalysts . Malaysian Journal of Chemistry 22839216 24 2 264-282 2022 – Publication in SCOPUS Article/ Review – UTM First Author
  7. Removal of Methylene Blue via Adsorption using Magnetic Char Derived from Food Waste Malaysian Journal of Chemistry 22839216 24 2 283-292 2022 – Publication in SCOPUS Article/ Review – UTM First Author
  8. Preparation and Characterization of Sulfonated Carbon Cryogel Doped Zinc as a Catalyst for Glucose Ethanolysis to Ethyl Levulinate ASEAN Journal of Chemical Engineering 16554418 21 1 10-Jan 2021 – Publication in SCOPUS Article/ Review – Corresponding Author
  9. Carboxymethyl Cellulose Synthesis From Treated Oil Palm Empty Fruit Bunch using Ionic Liquid and Hydrogen Peroxide ASEAN Engineering Journal 25869159 11 4 80-88 2021 – Publication in SCOPUS Article/ Review – Co-author
  10. Carbon Cryogel Preparation via Urea-furfural Gel Synthesis as an Adsorbent for CO2 Capture Application Chemical Engineering Transactions 22839216 89 – 187-192 2021 – Publication in SCOPUS Article/ Review – Co-author
  11. Activated Carbon Cryogel as a Potential Adsorbent for Removal of Aspirin Chemical Engineering Transactions 22839216 83 – 403-408 2021 – Publication in SCOPUS Article/ Review – Corresponding Author
  12. Ethyl Levulinate Synthesis from Levulinic Acid and Furfuryl Alcohol by using Modified Carbon Cryogels Chemical Engineering Transactions 22839216 78 – 547-552 2020 – Publication in SCOPUS Article/ Review – Corresponding Author
  13. Optimization Studies of Oil Palm Empty Fruit Bunch Liquefaction for Carbon Cryogel Production as Catalyst in Levulinic Acid Esterification Jurnal Teknologi 1279696 80 2 137-145 2018 – Publication in SCOPUS Article/ Review – Corresponding Author
  14. Carbon Cryogel Microsphere for Ethyl Levulinate Production: Effect of Carbonization Temperature and Time Journal of Engineering Science and Technology 18234690 Special Issue – 108-121 2016 0.7 Publication in SCOPUS Article/ Review Q3 Co-author
  15. Impregnation of Magnetic Particles on oil Palm Shell Activated Carbon for Removal of Heavy Metal Ions from Aqueous Solution Jurnal Teknologi (Sciences & Engineering) 1279696 72 1 11-Jul 2014 0.7 Publication in SCOPUS Article/ Review Q3 Co-author
  1. Thermodynamic Analysis of 2-Methylnaphthalene Steam Reforming to Hydrogen. Semarak International Journal of Petroleum and Chemical Engineering 3083-9106 3 2 1-14 2025 – Journal Article Non citation-Indexed Non-UTM – Co-author
  2. Physical and Chemical Characterization of Lignin-Based Carbon as Acidic Catalyst Materials Science Forum 0255-5476 1118 – 127-132 2024 – Journal Article Non citation-Indexed Non-UTM – Co-author
  3. Direct Alcoholysis Of Glucose Into Alkyl Levulinates Catalysed By Metal-Doped Sulfonated Activated Carbon Malaysian Journal Of Catalysis 01282581 8 1 29-35 2024 – Journal Article Non citation-Indexed UTM – Corresponding Author
  4. Effect of Calcination Temperature on Sulfonated Lignin Catalyst Preparation for Glucose Ethanolysis to Ethyl Levulinate. Scientific Research Journal 1675-7009 21 1 99-116 2024 – Journal Article Non citation-Indexed Non-UTM – UTM First Author
  1. A Short Review on Graphene Derivatives towards Photoelectrochemical Water Splitting E3S Web of Conferences
  2. (10th Conference on Emerging Energy and Process Technology (CONCEPT 2023)) 2267-1242 516 0 01003-010010 2024 – Journal Article Non citation-Indexed UTM – Corresponding Author
  3. One-Pot Liquefaction Of Cellulose To Ethyl Levulinate Via 1-Sulfonic Acid-3-Methyl Imidazolium Trichlorozincate As Brønsted-Lewis Catalyst Materials Today: Proceedings 22147853 In Press – In Press 2023 – Publication in SCOPUS Article/ Review – Corresponding Author
  4. Glucose-derived Bio-fuel Additive via Ethanolysis Catalyzed by Zinc Modified Sulfonated Carbon Materials Today: Proceedings 22147853 57 Part 3 1008-1013 2022 – Publication in WOS Article/ Review – UTM First Author
  1. Enzymatic Saccharification Of Ozone-Pre-Treated Oil Palm Empty Fruit Bunch For Fermentable Sugar Production 7th International Conference Of Chemical Engineering & Industrial Biotechnology 2024 – – – 178 Aug 29, 2024 – Conference paper UMPSA – Co-Author
  2. Parametric Optimization On Acid Hydrolysis Of Ozone Pre-Treated Oilpalm Empty Fruit Bunch For Enhanced Glucose Production 2nd International Symposium Of Reaction Engineering, Catalysis & Sustainalble Energy – – – 87-88 Oct 10, 2023 – Conference paper UMPSA – Co-Author
  3. Insightful Studies On The Sugar Production From Oil Palm Empty Fruit Bunch As Treated By Ozonolysis And Alkaline Pre-Treatments International Conference On Sustainable Environmental Science And Technology (ICESTECH) 2023 82 Oct 21, 2023 – Conference paper Universiti Teknolog Malaysia – Co-Author
  4. One-Pot Liquefaction Of Cellulose To Ethyl Levulinate Via Bifunctional 1-Sulfonic Acid-3-Methyl Imidazolium Trichlorozincate 2nd Regional Congress On Membrane Technology 2022 (Rcom 2022)/16 Th Aun/Seed-Net Regional Conference On Environmental Engineering 2022 (Rcenve 2022) – – – 128-129 Sep 21-22, 2022 – Conference paper Conference paper – Corresponding Author
  5. Assessment Of Polycyclic Aromatic Hydrocarbons (Pahs) In Microwaved-Biochar As A Requirement For Soil Amendment Application 18th International Conference On Clean Energy 2022 – – – 121-122 Jul 27-28, 2022 – Conference paper Universiti Teknologi Malaysia – Corresponding Author
  6. Glucose Derived Bio-Fuel Additive via Ethanolysis Catalyzed by Zinc Modified Sulfonated Carbon International Symposium of Reaction Engineering, Catalysis & Sustainable Energy (RECaSE2021) – – – – Apr 6-7, 2021 – Conference paper Pahang, Malaysia – UTM First Author
  7. Ethanolysis of Cellulose to Ethyl Levulinate using Ionic Liquid, 1-Sulfonic Acid-3-Methyl Imidazolium Tetrachlorozincate 1st International Conference (Virtual) on Sustainable Energy and Catalysis (ICSEC) 2021: Advancement in Sustainable Energy & Catalysis for Green Future 978-967-2401-46-9 – – 22-23 Feb 16-17, 2021 – Universiti Teknologi Malaysia Johor, Malaysia – First UTM Corresponding Author
  8. Ethyl Levulinate Synthesis from Levulinic Acid and Furfuryl Alcohol by Using Modified Carbon Cryogel The 5th International Conference on Low Carbon Asia & Beyond – ICLCA 2019 jointly held with The 4th International Conference on Chemical Engineering, Food and Biotechnology – ICCFB 2019: Transformation towards Smart, Resilient & Sustainable Communities – – – – Oct 15-16, 2019 Conference paper Ho Chi Minh City, Vietnam – Co-author
  9. Comparison on Morphology and Structure of Carboxymethyl Cellulose from Oil Palm Empty Fruit Bunch via Ionic Liquid and Alkaline Treatment Proceedings of the 12th Regional Conference on Chemical Engineering (RCChE 2019): Transformation towards Smart, Resilient & Sustainable Communities 978-604-67-1373-9 – – 22-27 Oct 15-16, 2019 – Proceedings Ho Chi Minh City, Vietnam – Co-author
  10. Kinetics of Cellulose activation Process in Pyrolysis Proceedings of the 27th Annual Meeting of the Japan Institute of Energy 24238325 – – 110-111 Aug 8-9, 2018 – Proceedings Tokyo, Japan – UTM First Author
  11. Thermally-Stabilized Cellulose and Hemicellulose In Wood Cell Wall 24th Annual Meeting of The Cellulose Society Of Japan – – – P021 Jul 13-14, 2018 – 24th Annual Meeting of The Cellulose Society of Japan Gifu University, Japan – UTM First Author
  12. Influence Of Metal Cation On Pyrolysisof Beechwood Xylan Proceedings of the 22nd International Symposium on Analytical and Applied Pyrolysis – – – 34 Jun 3-8, 2018 – Conference paper Kyoto, Japan – First Author
  13. Role Of Activation Processin Pyrolytic Cellulose Devolatilization Proceedings of the 22nd International Symposium on Analytical and Applied Pyrolysis – – – O9-6 Jun 3-8, 2018 – Conference paper Kyoto, Japan – UTM First Author
  14. 6th Conference On Emerging Energy And Process Technology 2017 Carbon Materials As Visible Light Driven Photocatalyst For Degradation Of P-Chloroaniline – – – 70-71 Nov 28, 2017 – Proceedings Universiti Teknologi Malaysia, Johor, Malaysia – Co-Author
  15. 26th Energy Conference Influences of Ball Milling and Delignification on Thermal Stabilities of Hemicellulose and Cellulose in Wood Cell Wall – – – 92-93 Aug 1-2, 2017 – Conference paper Nagoya University, Japan – UTM First Author
  16. Influence of Metal Cation on Pyrolysis of Beechwood Xylan Abstracts of the 68th Annual Meeting of the Japan Wood Research Society – – – P4-22A , Mar 14-16, 2018 – Conference paper Tokyo, Japan – UTM First Author
  17. Influences of uronic acid and metal cation on softwood and hardwood pyrolysis Abstract of the 67th Annual Meeting of the Japan Wood Research Society 05493994 – – 147 , Mar 17-19, 2017 – Conference paper Fukuoka, Japan – UTM First Author
  18. Influence of lignin on wood thermal stability Proceedings of the 61st Lignin Symposium – – – 92-95 , Oct 27-28, 2017 – Conference paper Kyoto, Japan – UTM First Author
  19. Coke/Char and Other Products Formation Behaviors in Pyrolysis of Ten Softwood/Hardwood Species Proceedings of the 21st International Symposium on Analytical and Applied Pyrolysis – – – 203 , May 09-12, 2016- Proceedings Nancy, France – UTM First Author
  20. Preparation, Characterization and Activity Testing of Oil Palm Frond Carbon Cryogel The 29th Symposium of Malaysian Chemical Engineers (SOMChe 2016) – – – 1-10 Dec 01-03 , 2016 – Conference paper Miri, Sarawak, Malaysia Co-author
  21. Pyrolysis behaviors of hardwood and softwood species and milled wood fractions Abstract of the 66th Annual Meeting of the Japan Wood Research Society 05493994 – – 129 Mar 27-29, 2016 – Conference paper Nagoya, Japan – UTM First Author
  22. Liquefaction of Oil Palm Frond in 1-Butyl-3-methylimidazolium Chloride International Sustainable Technology, Energy & Civilization Conference 2016 (ISTECC 2016) In Conjunction with the 2nd Kyoto University South East Asian Forum 97896713974 1 – 56-62 Feb 13, 2016 – Proceedings UKM, Bangi, Selangor – Corresponding Author
  23. Carbon Cryogel Microsphere from Lignin-furfural Mixture as Acid Catalyst: Effect of Carbonization Temperature and Time The 28th Symposium of Malaysian Chemical Engineers (SOMChe 2015) – – – 1 Oct 21-22 , 2015 – Conference paper Putrajaya, Malaysia – UTM First Author
  24. Methane dry reforming using oil palm shell activated carbon supported cobalt catalyst: Multi-response optimization The 2015 International Conference on Coal Science and Technology (ICCS&T) – – – – Sept 27-Oct 1, 2015 – Conference paper Melbourne, Australia – UTM First Author
  25. The Effect Of Calcination Of Carbon Cryogel Synthesis On Ethyl Levulinate Production International Conference on Sustainable Initiatives (ICSI 2015) – – – – Aug 24-25, 2015 – Conference paper MJIIT, Kuala Lumpur, Malaysia – Co-author
  26. Oil palm frond activated carbon as adsorbent for heavy metal ions and dye removal The 5th International Conference On Environment 2015 (ICENV 2015) – – – – Aug 18-19, 2015 – Conference paper Penang, Malaysia – Co-author
  27. Parameter study of carbon cryogel synthesis from lignin-furfural mixture: effect on total surface area, acidity and biodiesel yield International Sustainable Technology, Energy & Civilization Conference (16th Kyoto University Southeast Asian Forum) – – – Jan 10-11 – Conference paper Kuala Lumpur Malaysia – Co-author
  28. Carbon cryogel from lignin-furfural as acid catalyst in esterification of oleic acid International Conference On Global Sustainability And Chemical Engineering (ICGSE) – – – – Aug, 20-22, 2014 – Conference paper Kuala Lumpur, Malaysia – Co-author
  29. Dry reforming of Methane over Oil Palm Shell Activated Carbon and ZSM-5 Supported Cobalt Catalyst The 9th International Green Energy Conference – – – – May 25-28, 2014 – Conference paper Tianjin, China – Co-author
  30. Solid/liquid- and gas-phase pyrolysis mechanisms of lignin Proceedings of the 20th Annual Meeting of the Japan Institute of Energy – – – 104-105 Aug 9-10, 2011 – Proceedings Osaka, Japan – UTM First Author
  31. Pyrolysis and secondary decomposition reactions of softwood and hardwood lignins Proceedings of the 19th European Biomass Conference & Exhibition. From Research to Industry and Markets – – – – Jun 6-10, 2011 – Proceedings Berlin, Germany – UTM First Author
  32. Pyrolytic reactions of guaiacol/syringol mixture Abstracts of the 61st Annual Meeting of the Japan Wood Research Society – – – 79 Mar 18-20, 2011 – Proceedings Kyoto, Japan – UTM First Author
  33. Scenario Analysis of Future Zero-Carbon Electricity Generation Systems in Japan Energy Science in the Age of Global Warming – Toward a CO2 Zero-emission Energy System – – – 37 Jan 28, 2011 – Proceedings Kyoto, Japan – Co-author
  34. Pyrolysis reactions of catechols, pyrogallol, cresols and xylenols as lignin pyrolysis intermediates Proceedings of the 55th Lignin Symposium – – – 94-95 Oct 20-21, 2010 – Proceedings Kyoto, Japan – UTM First Author
  35. Thermal decomposition of guaiacol and syringol as model lignin aromatic nuclei Proceedings of the 19th Annual Meeting of the Japan Institute of Energy – – – 106-107 Aug 2-3, 2010 – Proceedings Tokyo, Japan – UTM First Author
  36. Characterization of Oil Palm Shell Activated Carbon and ZSM-5 Supported Cobalt Catalysts 6th International Congress of Chemistry and Environment – – – – 2010, July 8-10 – Conference paper Antwerp, Belgium – Co-author
  37. Pyrolysis and secondary reactions mechanisms of softwood and hardwood lignins at the molecular level Abstracts of the 2nd International Symposium Kyoto University Global COE Program – Energy Science in the Age of Global Warming ~ Toward CO2 Zero-emission Energy System ~ “Zero-Carbon Energy Kyoto 2010” – – – 73 August 19-20, 2010 – Proceedings Kyoto, Japan – UTM First Author
  38. Pyrolysis behaviors of some softwood and hardwood milled wood lignins Abstracts of the 60th Annual Meeting of the Japan Wood Research Society – – – 86 Mar 17-19, 2010 – Proceedings Miyazaki, Japan – UTM First Author
  39. Pyrolysis behaviors of softwood and hardwood lignins in wood pyrolysis Proceedings of the 54th Lignin Symposium – – – 82-85 Oct 29-30, 2009 – Proceedings Shizuoka, Japan – UTM First Author
  40. Primary pyrolysis and secondary reaction behaviors as compared between Japanese cedar and Japanese beech wood in an ampoule reactor Abstracts of the 1st International Symposium Kyoto University Global COE Program – Energy Science in the Age of Global Warming ~ Toward CO2 Zero-emission Energy System ~ “Zero-Carbon Energy Kyoto 2019” – – – 85 Aug 20-22, 2009 – Proceedings Kyoto, Japan – UTM First Author
  41. Char reactivities in pyrolysis of Japanese cedar and Japanese beech woods at a gasification temperature Proceedings of the 18th Annual Meeting of the Japan Institute of Energy – – – 96-97 Jul 30-31, 2009 – Proceedings Hokkaido, Japan – UTM First Author
  42. Gasification characteristics of some softwood and hardwood species Proceedings of the 17th European Biomass Conference & Exhibition – – – 906-908 Jun 29-Jul 3, 2009 – Proceedings Hamburg, Germany – UTM First Author
  43. Pyrolysis characteristic of Japanese cedar and Japanese beech woods and their deionized samples at gasification temperature Abstracts of the 59th Annual Meeting of the Japan Wood Research Society – – – 59 Mar 15-17, 2009 – Proceedings Matsumoto, Japan – UTM First Author
  44. Pyrolysis characteristic of Japanese cedar and Japanese beech woods and their deionized samples at gasification temperature Abstracts of the GCOE Kick-off Symposium – – – 48 Jan 28-29, 2009 – Proceedings Kyoto, Japan – UTM First Author
  1. Investigation Into Pyrolysis Impact On Biochar Traits, Soil Microbial Community Interaction, And Nutrient Dynamics: Emission And Leaching Implications Biochar Ecotechnology for Sustainable Agriculture and Environment 978-0-443-29855-4 1 – 443-467 2025 – Elsevier Book Chapter – Corresponding Author
  2. Sustainable Innovations In Biomass Transformation To Chemicals, Fuels And Materials Characteristics Of Biochar From Microwave Pyrolysis Of Oil Palm Shell 9789835220104 1 – 109-130 2023 – UTM Press, Johor Book Chapter – Corresponding Author
  3. Sustainable Innovations In Biomass Transformation To Chemicals, Fuels And Materials Bio-Based Alkyl Levulinate Derived From Biomass Via Thermo-Catalytic Alcoholysis Process 9789835220104 1 – 59-94 2023 – UTM Press, Johor Book Chapter – UTM First Author
  4. Sustainable Innovations In Biomass Transformation To Chemicals, Fuels And Materials Microwave-Assisted Pyrolysis As An Advanced Technology For Biochar Production From Lignocellulosic Biomass Conversion 9789835220104 1 – 95-108 2023 – UTM Press, Johor Book Chapter – Corresponding Author
  5. Green Chemistry Approaches to Cellulose Dissolution and Regeneration Regenerated Cellulose and Composites: Morphology-Property Relationship 1612-1317 1 – 9-36 2023 - Springer Nature Singapore Book Chapter - Co-Author
  6. Cellulose Morphologies for Energy Applications Regenerated Cellulose and Composites: Morphology-Property Relationship 1612-1317 1 – 197-221 2023 – Springer Nature Singapore Book Chapter – Corresponding Author
  7. Bio-based Packaging Materials for Fruit and Vegetables-Current Applications and Future Trends: A Review International Conference on Biomass Utilization and Sustainable Energy 978-981-99-1694-8 1 – 325 2022 Springer Nature Singapore Book Chapter – Co-Author
  8. Polyhydroxyalkanoates Production From Waste Biomass Biomass into Fuels and Chemical Derivatives 978-983-52-1229-1 1 – 56-85 2016 – UTM Press, Johor Book Chapter – Co-Author
  9. Liquefaction of Nipa Frond in Ionic Liquid Biomass into Fuels and Chemical Derivatives 978-983-52-1229-1 1 – 40-55 2016 – UTM Press, Johor Book Chapter – First Author, Corresponding Author
  10. Carbon Cryogel From Lignin-Furfural as Acid Catalyst in Esterification of Oleic Acid ICGSE 2014 Proceedings of the International Conference on Global Sustainability and Chemical Engineering 978-9812875044 1 – 315-322 2014 – Springer Book Chapter – Co-Author
  11. Pyrolysis and Secondary Reaction Mechanisms of Softwood And Hardwood Lignins at the Molecular Level Zero-Carbon Energy Kyoto 2010. Proceedings of the Second International Symposium of Global COE Program “Energy Science in the Age of Global Warming—Toward CO2 Zero-emission Energy System” 1865-3529 2 – 129-135 2010 – Springer Tokyo Book Chapter – UTM First Author
  12. Primary Pyrolysis and Secondary Reaction Behaviors as Compared Between Japanese Cedar And Japanese Beech Wood in an Ampoule Reactor Zero-Carbon Energy Kyoto 2010. Green Energy and Technology 1865-3529 1 – 151-155 2010 – Springer Tokyo Book Chapter – UTM First Author
  1. National Plastic Waste Inventory – 2025 Bahagian Pengurusan Alam Sekitar (BPAS), Kementerian Sumber Asli Dan Kelestarian Alam (NRES) Clasified/ Technical Report Co-author
  2. Kinetic Study And Techno-Economic Analysis For CO2 Methanation 1-101 2024 TNB Research Sdn Bhd Clasified/ Technical Report First UTM Corresponding Author
  3. Literature Review For The Development Of Regional Standard Requirements For Transboundary Movement (Tbm) Of Plastic Waste Into The Asean Region And Pilot Study On Optimisation Of Domestic Plastic Waste Utilisation 1-3 2024 Bahagian Pengurusan Alam Sekitar (BPAS) Kementerian Sumber Asli Dan Kelestarian Alam (NRES) Clasified/ Technical Report Co-author
  4. Ozbiony 2.0: A Treatment System And Procedure Of Fractioning The Empty Palm Fruit Bunch Into Cellulose Fiber And Lignin 1-63 2023 Ministry Of Education Clasified/ Technical Report Co-Author