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Patents

Explore a collection of patent innovations on rice husk ash as a starting material by GKSB researchers below:

Improvement in Silica Aerogel
Zeolite NaA (4A)
Mesoporous MCM-41
Zeolite X and Y Amorphous, Carbon-Free Silica
Zeolite Y

Silica Aerogel
Phenol Removal
Amorphous Silica

2022

  1. Thermal insulation performance of silicone rubber/silica aerogel composite, ZA Abd Halim, N Ahmad, MAM Yajid, H Hamdan, Materials Chemistry and Physics 276, 125359

2021

  1. Conversion of jet biofuel range hydrocarbons from palm oil over zeolite hybrid catalyst, N Mohd Basir, NA Mohd Jamil, and H Hamdan, Nanomaterials and Nanotechnology, Volume 11: 1–10, 2021
  2. Conversion of Oil Palm Empty Fruit Bunch (EFB) Biomass to Bio-Oil and Jet Bio-Fuel by Catalytic Fast-Pyrolysys Process, H Hamdan, R Dolah, H Yahaya, N Mohd Basir, and R Karnik, ASM Sc. J., 14, 2021
  3. Effects of solvent exchange period and heat treatment on physical and chemical properties of Rice husk derived silica aerogels ZAA Halim, MAM Yajid, H Hamdan, Silicon 13 (1), 251-257
  4. A comparison between the effects of hydrophobic and hydrophilic silica aerogel fillers on tensile and thermal properties of unsaturated polyester composites ZA Abdul Halim, N Awang, MAM Yajid, N Ahmad, H Hamdan, Polymer Bulletin, 1-19


2020

  1. Effect of silica aerogel–Aluminium trihydroxide hybrid filler on the physio-mechanical and thermal decomposition behaviour of unsaturated polyester resin composite, ZAA Halim, MAM Yajid, FA Nurhadi, N Ahmad, H Hamdan, Polymer Degradation and Stability 182, 109377, 2020
  2. In vitro bioactivity and osteoblast cell viability studies of hydroxyapatite-incorporated silica aerogel, NS Sani, NANN Malek, K Jemon, MRA Kadir, H Hamdan Journal of Sol-Gel Science and Technology, 96 (1), 166-177, 2020
  3. Effects of Solvent Exchange Period and Heat Treatment on Physical and Chemical Properties of Rice Husk Derived Silica Aerogels, ZAA Halim, MAM Yajid, H Hamdan, Silicon, 1-7, 1, 2020
  4. Pectin as oral colon-specific nano-and microparticulate drug carriers, BH Zainudin, TW Wong, H Hamdan, Polymer Science and Innovative Applications, 257-286, 2020

  1. Optical investigations of the (dis) continuous metal–insulator transitions in strongly-coupled electron-lattice systems, GP Hettiarachchi, Y Nishida, Y Masaki, MNM Muhid, H Hamdan, Journal of Physics: Condensed Matter 32 (9), 095601, 2019
  2. Evolution of spin dynamics across the discontinuous metal-insulator transition in a deformable lattice, GP Hettiarachchi, Y Nishida, Y Masaki, MNM Muhid, H Hamdan, Physical Review B 100 (12), 125154, 1, 2019
  3. Preparation and characterization of hydroxyapatite incorporated silica aerogel and its effect on normal human dermal fibroblast cells, NS Sani, NANN Malek, K Jemon, MRA Kadir, H Hamdan, Journal of Sol-Gel Science and Technology 90 (2), 422-433, 5, 2019
  4. Spin and charge dynamics of an interacting gas of small (bi) polarons across the mobility edge, G Hettiarachchi, Y Nishida, Y Masaki, MNM Muhid, H Hamdan, APS 2019, S07.001, 2019
  1. Fast Pyrolysis of Oil Palm Empty Fruit Bunch (EFB) for Bio Oil Production, Dolah, R Karnik, H Hamdan, H Yahaya, 2018 AIChE Annual Meeting, 2018
  2. Upgrading of Bio-Oil as Transportation Fuel Using Water/Oil Based Extraction, R Dolah, Karnik, H Hamdan, 2018 AIChE Annual Meeting, 2018
  3. Physiochemical and thermal properties of silica Aerogel-Poly vinyl alcohol/Core-Shell structure prepared using fluidized bed coating process for thermal insulation applications, ZAA Halim, MAM Yajid, MH Idris, H Hamdan, Materials Chemistry and Physics 215, 269-276, 2018
  4. Dispersion of polymeric-coated-silica aerogel particles in unsaturated polyester composites: Effects on thermal-mechanical properties, ZA Abdul Halim, MA Mat Yajid, MH Idris, H Hamdan, Journal of Dispersion Science and Technology 39 (8), 1093-1101, 2018
  5. Effects of rice husk derived amorphous silica on the thermal-mechanical properties of unsaturated polyester composites, ZAA Halim, MAM Yajid, MH Idris, H Hamdan, Journal of Macromolecular Science, Part B, 1-38, 2018
  6. Metal-Insulator Transition in a Deformable Lattice, G Hettiarachchi, T Nakano, H Hamdan, MNM Muhid, Bulletin of the American Physical Society, 2018
  7. Design of low molecular weight pectin and its nanoparticles through combination treatment of pectin by microwave and inorganic salts, BH Zainudin, TW Wong, H Hamdan, Polymer Degradation and Stability 147, 35-40, 2018
  8. Transition of a small-bipolaron gas to a Frohlich polaron in a deformable lattice, GP Hettiarachchi, MNM Muhid, H Hamdan, Physical Review B 97 (15), 155142, 2018
  1. Small bipolarons and extended states of guest Na and Rb atoms in quasi-two-dimensional disordered (=Na, Rb), GP Hettiarachchi, F Moriasa, Y Nishida, T Nakano, MNM Muhid, Physical Review B 96 (15), 155115 (2017)
  2. Conversion of cellulose to short chain polyols over metal loaded on KCC-1 catalyst F Ariffin, SM Izan, AA Jalil, CR Mamat, N Basar, J Jaafar, H Hamdan, Malaysian Journal of Catalysis 2 (2) (2017)
  3. Effects of silica aerogel particle sizes on the thermal-mechanical properties of silica aerogel-unsaturated polyester composites, ZA Abdul Halim, MA Mat Yajid, MH Idris, H Hamdan, Plastics, Rubber and Composites 46 (4), 184-192, (2017)
  4. Effect of mass concentration on bioactivity and cell viability of calcined silica aerogel synthesized from rice husk ash as silica source, NS Sani, NANN Malek, K Jemon, MRA Kadir, H Hamdan, Journal of Sol-Gel Science and Technology 82 (1), 120-132 (2017)
  5. Akademia Baru, H Yahaya, H Hamdan, R Dolah, N Muhid, KA Rashidi, SB Rashidi Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 32 (1), 1-8 (2017)
  6. Thermal Gravimetric Analysis of Unsaturated Polyesters Filled with Alumina Trihydrate and Silica Aerogel, A Halim, Z Alif, M Yajid, M Azizi, MH Idris, H Hamdan Solid State Phenomena 264, 116-119 (2017)
  1. Catalytic Conversion of Empty Fruit Bunches (EFB) Biomass to Biofuels F Zakaria, H Hamdan, J Jaafar, N Mohd, Proceedings of the 1st Master Project Symposium on Professional Science 13, 15 (2016)
  2. THERMAL PROPERTIES OF UNSATURATED POLYESTER COMPOSITES FILLED WITH RICE HUSK-DERIVED SILICA AEROGEL, ZAA Halim, MAM Yajid, MH Idris, H Hamdan, Polymers Research Journal 10 (3), 119 (2016)
  3. Synthesis and characterization of rice husk ash derived-silica aerogel beads prepared by ambient pressure drying, A Halim, Z Alif, M Yajid, M Azizi, H Hamdan Key Engineering Materials 694, 106-110 (2016)
  4. Synthesis and characterization of fibrous silica ZSM-5 for cumene hydrocracking ML Firmansyah, AA Jalil, S Triwahyono, H Hamdan, MM Salleh, Catalysis Science & Technology 6 (13), 5178-5182 (2016>
  1. FTIR Study on the Preliminary Development of Synthesis Methods for Hydroxyapatite Modified Silica Aerogel, NS Sani, NANN Malek, MRA Kadir, H Hamdan Applied Mechanics & Materials (2015)
  2. TGO Formation with NiCoCrAlYTa Bond Coat Deposition using APS and HVOF Method S Mohd Zulkifli, MAM Yajid, MH Idris, M Daroonparvar, H Hamdan, Advanced Materials Research 1125, 18-22 (2015)
  1. Insulator-to-Metal Transition in Potassium-Loaded Zeolite P, GP Hettiarachchi, T Nakano, Y Masaki, MNM Muhid, H Hamdan, Y Nozue, Journal of the Physical Society of Japan 84 (1), 014702 (2014)
  2. Electronic properties of zeolite P loaded with sodium, GP Hettiarachchi, F Moriasa, Y Nishida, MNM Mohid, H Hamdan, Meeting Abstracts of the Physical Society of Japan 69.2. 4, 613 (2014)
  3. Eco-Friendly Synthesis of Nanozeolite NaA from Rice Husk Ash and Its Efficiency in Removing Ammonium Ions, MA Nawog, MNM Muhid, NANN Malek, H Hamdan, Key Engineering Materials (2014)
  4. The Role of Ti and Lewis Acidity in Manganese Oxide Octahedral Molecular Sieves Impregnated with Titanium in Oxidation Reactions, F Hayati, S Chandren, H Hamdan, H Nur Bulletin of Chemical Reaction Engineering & Catalysis 9 (1), 28-38 (2014)
  5. Large g-shift in Rb-loaded zeolite P, GP Hettiarachchi, Y Masaki, MNM Muhid, H Hamdan, T Nakano, Y Nozue, Meeting Abstracts of the Physical Society of Japan 69.1. 4, 828 (2014)
  6. NanoMalaysia Programme (2011-2020): engine of growth for innovative Malaysia H Hamdan, Journal of Experimental Nanoscience, 9 (1), 2-8 (2014)
  7. Maerogel: Alternative for Thermal Barrier Coating Topcoat, ISM Zulkifli, MAM Yajid, H Hamdan, MNM Muhid, Advanced Materials Research 845, 330-334 (2014)
  1. Electrical resistivity and ESR studies on K and Rb clusters in zeolite P, GP Hettiarachchi, Y Masaki, MNM Muhid, H Hamdan, T Nakano, Y Nozue, Meeting Abstracts of the Physical Society of Japan 68.2. 4, 769 (2013)
  2. Physical properties of zeolite P loaded with rubidium-loading density dependence, GP Hettiarachchi, Y Masaki, MNM Muhid, H Hamdan, T Nakano, Y Nozue, Meeting Abstracts of the Physical Society of Japan 68.1. 4, 897 (2013)
  3. Purchasing decisions among Muslim consumers of processed halal food products, H Hamdan, ZM Issa, N Abu, K Jusoff, Journal of Food Products Marketing 19 (1), 54-61 (2013)
2012
  1. Organosulfonic acid functionalized zeolite ZSM-5 as temperature tolerant proton conducting material, H Nur, GL Kee, H Hamdan, TMI Mahlia, J Efendi, HSC Metselaar international journal of hydrogen energy 37 (17), 12513-12521 (2012)
  2. Optical and magnetic properties of zeolite P loaded with rubidium, GP Hettiarachchi, Y Nishida, T Nowaki, MNM Muhid, H Hamdan, Meeting Abstracts of the Physical Society of Japan 67.2. 4, 758 (2012)
  3. Interaction of Zn2+ with extraframework aluminum in HBEA zeolite and its role in enhancing n-pentane isomerization, NHN Kamarudin, AA Jalil, S Triwahyono, RR Mukti, MA Ab Aziz, Applied Catalysis A: General 431, 104-112 (2012)
  4. Thermal and mechanical behavior of natural rubber latex-silica aerogel film, NK On, AA Rashid, MMM Nazlan, H Hamdan, Journal of Applied Polymer Science 124 (4), 3108-3116 (2012)
  5. Insulator-to-metal transition in zeolite P loaded with potassium, GP Hettiarachchi, F Moriasa, Y Nishida, PT Thi, MNM Muhid, H Hamdan, Meeting Abstracts of the Physical Society of Japan 67.1. 4, 875 (2012)
  6. Negative effect of Ni on PtHY in n-pentane isomerization evidenced by IR and ESR studies, MA Ab Aziz, NHN Kamarudin, HD Setiabudi, H Hamdan, AA Jalil, Journal of Natural Gas Chemistry 21 (1), 29-36 (2012)
2011
  1. Optical and magnetic properties on potassium clusters in zeolite P, GP Hettiarachchi, F Moriasa, Y Nishida, PT Thi, MNM Muhid, H Hamdan, Meeting Abstracts of the Physical Society of Japan 66.2. 4, 855 (2011)
  2. Design, synthesis and activity study of tyrosinase encapsulated silica aerogel (TESA) biosensor for phenol removal in aqueous solution, S Sani, MNM Muhid, H Hamdan Journal of sol-gel science and technology 59 (1), 7-18 (2011)
2010
  1. SYNTHESIS OF ZEOLITE BETA DIRECTLY FROM RICE HUSK ASH: EFFECT OF REACTION COMPOSITION ON CRYSTALLINITY OF ZEOLITE BETA, D Prasetyoko, Z Ramli, S Endud, H Hamdan, B Sulikowski, Indonesian Journal of Chemistry 6 (1), 11-15 (2010)
  2. Piperine loaded silica aerogel and silica xerogel as NANO-enabled drug delivery system, NHM Yunos, H Hamdan, LS Ling, World Appl. Sci. J 9 (9), 6-16 (2010)
  3. Enhancement of bronsted acidity in sulfate-vanadium treated silica-titania aerogel s oxidative-acidic bifunctional catalyst, SL Lee, SC Wei, H Nur, H Hamdan, International Journal of Chemical Reactor Engineering 8 (1) (2010)
2009
  1. Physical properties and bifunctional catalytic performance of phosphate-vanadium impregnated silica-titania aerogel, SL Lee, H Nur, H Hamdan, Catalysis letters 132 (1-2), 28-33 (2009)
  2. Novel Nanostructured Photocatalyst of Vanadium-Doped Silica-Titania Aerogel, SL Lee, YY Tan, H Hamdan, M Nazlan, M Muhid, AIP Conference Proceedings 1136 (1), 1-5 (2009)
  3. Alkylsilylated gold loaded magnesium oxide aerogel catalyst in the oxidation of styrene, H Nur, II Misnon, H Hamdan, Catalysis letters 130 (1-2), 161-168 (2009)
  4. Visible Light Enabled V and Cr Doped Titania-Silica Aerogel Photocatalyst, H Hamdan, MNM Muhid, SL Lee, YY Tan, International Journal of Chemical Reactor Engineering 7 (1) (2009)
  5. Amphiphilic nanocomposite proton conducting membrane, H Hamdan, Zeolite and Nanostructured Materials Laboratory, Faculty of Science (2009)
  6. The performance of a bench scale liquefaction of carbon dioxide, NHA Latif, FN Ani, H Hamdan, Jurnal Mekanikal 29 (2) (2009)
  7. NANOTECHNOLOGY IN MALAYSIA: A SMALL STEP TODAY TOWARDS A GIANT LEAP TOMORROW, H Hamdan, Emerging Nanotechnology Power: Nanotechnology R&D and Business Trends (2009)
2008
  1. Sulfated silica-titania aerogel as a bifunctional oxidative and acidic catalyst in the synthesis of diols, LS Ling, H Hamdan, Journal of Non-Crystalline Solids 354 (33), 3939-3943 (2008)
  2. FTIR Spectroscopy of Methane Adsorption on Zeolites, K KAMARUDIN, CY Yuan, H Hamdan, H Mat, Journal of Chemical and Natural Resources Engineering Special Edition, 31-39 (2008)
2007
  1. On the location of different titanium sites in Ti-OMS-2 and their catalytic role in oxidation of styrene, H Nur, F Hayati, H Hamdan, Catalysis Communications 8 (12) (2007)
  2. Generation of Bronsted acidity in AlMCM-41 by sulphation for enhanced liquid phase tert-butylation of phenol, EP Ng, H Nur, KL Wong, MNM Muhid, H Hamdan, Applied Catalysis A: General 323, 58-65 (2007)
  3. DELAMINATED ZEOLITE, ITQ-6 AS HETEROGENEOUS CATALYST FOR FRIEDEL CRAFTS ALKYLATION, Z Ramli, NAM Yusoff, H Hamdan, Malaysian Journal of Analytical Sciences 11 (1), 84-92(2007)
  4. Nanotechnology in Malaysia: a new paradigm, H Hamdan, British Malaysian Chamber of Commerce Directory, 83 (2007)
  5. Biphasic epoxidation of 1-octene with H2O2 catalyzed by amphiphilic fluorinated Ti-loaded zirconia, YH Ng, I Izwan, H Nur, MNM Muhid, H Hamdan, Journal of fluorine chemistry 128 (1), 12-16 (2007)
2006
  1. Development of membrane reactor for epoxidation of propylene to propylene oxide in a single step, S Triwahyono, AA Jalil, H Nur, H Hamdan, M Kobayashi, Journal-The Institution of Engineers, Malaysia 67, 7-12 (2006)
  2. Hydrophobic fluorinated TiO2-ZrO2 as catalyst in epoxidation of 1-octene with aqueous hydrogen peroxide, H Nur, NY Hau, II Misnon, H Hamdan, MNM Muhid, Materials Letters 60 (17-18), 2274-2277 (2006)
  3. Sulphated AlMCM-41: Mesoporous solid Bronsted acid catalyst for dibenzoylation of biphenyl, NE Poh, H Nur, MNM Muhid, H Hamdan, Catalysis Today 114 (2-3), 257-262 (2006)
  4. Iron-porphyrin encapsulated in poly (methacrylic acid) and mesoporous Al-MCM-41 as catalysts in the oxidation of benzene to phenol, H Nur, H Hamid, S Endud, H Hamdan, Z Ramli, Materials Chemistry and Physics 96 (2-3), 337-342 (2006)
  5. ISOMERISATION OF CYCLOHEXANE TO METHYLCYCLOPENTANE OVER Pt/SO4 2--ZrO2 CATALYST, S Triwahyono, AA Jalil, H Hamdan, The institution of engineers, Malezija (2006)
  6. Conversion of rice husk ash to zeolite beta, D Prasetyoko, Z Ramli, S Endud, H Hamdan, B Sulikowski, Waste management 26 (10), 1173-1179 (2006)
2005
  1. Titanium Doped Octahedral Manganese Oxide Hybrid Catalyst in the Oxidation of Cyclohexene, F Hayati, H Nur, H Hamdan, Buletin Kimia 21, 49-54 (2005)
  2. Nanotechnology in Malaysia, H Hamdan, Expert Group Meeting orth-South Dialogue on anotechnology: Challenges (2005)
  3. Fe (III)-salen encapsulated Al-MCM-41 as a catalyst in the polymerisation of bisphenol-A, H Hamdan, V Navijanti, H Nur, MNM Muhid, Solid State Sciences 7 (2), 239-244 (2005)
  4. Simultaneous adsorption of a mixture of paraquat and dye by NaY zeolite covered with alkylsilane, H Nur, AFNA Manan, LK Wei, MNM Muhid, H Hamdan, Journal of Hazardous Materials 117 (1), 35-40 (2005)
  5. Fe-salen encapsulated Al-MCM-41 as a catalyst in the polymerisation of bisphnol-A, H Halimaton, N Vivin, N Hadi, Solid State Sci 7, 239-244 (2005)
  6. Phase Boundary Heterogeneous TiO2/ZrO2 Catalyst for Epoxidation, II Misnon, H Nur, H Hamdan, Universiti Teknologi Malaysia (2005)
  7. Nanomaterials as catalysts in the production of fine chemicals, H Hamdan, Akta Kimindo 1 (1), 1-10 (2005)
2004
  1. Rice Husk Based Zeolite as Methane Adsorbent, KSN Kamarudin, H Hamdan, H Mat, Universiti Teknologi Malaysia (2004)
  2. The Use of NaY Zeolite Covered with Alkylsilane for Simultaneous Adsorption of a Mixture of Paraquat and Dye, H Nur, A Manan, LK Wei, MNM Muhid, H Hamdan, Proceedings: 3rd Annual Seminar on Sustainability Science and Management, 4-5 (2004)
  3. Quantitative measurement of a mixture of mesophases cubic MCM-48 and hexagonal MCM-41 by 13C CP/MAS NMR, H Nur, LC Guan, S Endud, H Hamdan, Materials Letters 58 (12-13), 1971-1974 (2004)
  4. Molecular Hydrogen-Originated Protonic Acid Site on Pt/WO3-ZrO2, S Triwahyono, H Nur, AA Jalil, MNM Muhid, M Shamsudin, H Hamdan, Proceedings of the 2nd Annual Fundamental Science Seminar, AFSS, 235-238 (2004)
  5. Hydrogen Adsorption on Pt/SO4 2--ZrO2 Solid Super Acid Catalyst, S Triwahyono, H Nur, AA Jalil, MNM Muhid, M Shamsuddin, H Hamdan, Proceedings of the 2nd Annual Fundamental Science Seminar, AFSS, 235-238 (2004)
  6. Gas adsorption characteristics of metal exchanged zeolite, KSN Kamarudin, H Hamdan, H Mat, Asian Pacific Confederation of Chemical Engineering congress program(2004)
  7. Equilibrium Model of Gas Adsorption on Zeolite, KSN Kamarudin, H Hamdan, H Mat Paper of University of Technology Malaysia 59 (2), 133-149 (2004)
  8. Surface structure of alkylsilylated HZSM-5 as phase-boundary catalyst, H Nur, NY Hau, MNM Muhid, H Hamdan, Physics Journal of the IPS. A 7, 0218 (2004)
  9. Selective dibenzoylation of biphenyl to 4, 4'-dibenzoylbiphenyl over H-Al-MCM-41, RR Mukti, H Nur, S Endud, H Hamdan, Studies in Surface Science and Catalysis 154, 2767-2772 (2004)
2003
  1. Methane adsorption characteristic dependency on zeolite structures and properties, KS Kamarudin, H Hamdan, H Mat, Proceedings of the Symposium of Malaysian Chemical Engineers (2003)
  2. Structural distortion in MeAPO-5 molecular sieves: a 31 P MAS-NMR study, H Nur, H Hamdan, Physics Journal IPS A5 (2003) 0117 (2003)
  3. Structural synthesis and modification of zeolite as methane adsorbent, KSN Kamarudin, H Mat, H Hamdan, Universitas Teknologi Malaysia (2003)
  4. Nano Tech 2003+ Future, H Hamdan, Universiti Teknologi Malaysia (2003)
  5. Integrated Exploitation of Scientific Knowledge Through Research in Nanoscience in Malaysia, H Hamdan, Universiti Teknologi Malaysia (2003)
  6. DESIGN AND MOLECULAR ENGINEERING OF NANOSTRUCTURED ZEOLITES AND MESOMORPHOUS MATERIALS-ADVANCING THROUGH THE PORES, H Hamdan, (2003)
2002
  1. Acidity Analysis of H-Al-MCM-41 Characterised by TPD and in Situ FTIR Spectroscopy, RR Mukti, S Endud, H Hamdan, Universiti Teknologi Malaysia (2002)
  2. Innovative Development of Bilingual Suite Word Processor and Spell Checker in Bahasa/English, Mohd. Nazlan Mohd. Muhid, H Hamdan, Universiti Teknologi Malaysia (2002)
2001
  1. Catalytic activity of secondary aluminated mesoporous molecular sieve ALMCM-41 in the Friedel-Crafts reaction of bulky aromatic compounds, H Hamdan, AB Kim, MNM Muhid Studies in Surface Science and Catalysis 135, 282 (2001)
  2. The ionic size of metal atoms in correlation with acidity by the conversion of cyclohexanol over MeAPO-5, H Nur, H Hamdan, Materials Research Bulletin 36 (1-2), 315-322 (2001)
2000
  1. Termodinamik kimia, PA Rock, H Hamdan, ZA Samah, Penerbit Universiti Teknologi Malaysia (2000)
  2. Kimia fizik, PW Atkins, H Hamdan, Penerbit Universiti Teknologi Malaysia (UTM) (2000)
1999
  1. Dehydration and dehydrogenation of cyclohexanol over AlPO4-5 based molecular sieves, H Nur, H Hamdan, Reaction Kinetics and Catalysis Letters 66 (1), 33-38 (1999)
1998
  1. Deactivation modes and reactions over HZSM-S, AlPO4-5 and MnAPSO-S in conversion of, H Nur, H Hamdan (1998)
  2. Kimia asas sains dan kejuruteraan, H Hamdan, H Awab, MNM Muhid, Jabatan Kimia, Fakulti Sains, Universiti Teknologi Malaysia (1998)
  3. Deactivation modes and reactions of HZSM-5, AIPO sub 4-5 and MnAPSO-5 in the conversion of cyclohexanol, N Hadi, H Halimaton, Buletin Kimia 13 (2), 31-38 (1998)
  4. Probing the active sites of aluminated mesoporous molecular sieve MCM-41 by secondary synthesis in the conversion of cyclohexanol, S Endud, H Nur, H Hamdan, Studies in Surface Science and Catalysis 117, 453-459 (1998)
1997
  1. 29Si MAS NMR, XRD and FESEM studies of rice husk silica for the synthesis of zeolites, H Hamdan, MNM Muhid, S Endud, E Listiorini, Z Ramli, Journal of Non-Crystalline Solids 211 (1-2), 126-131 (1997)
  2. Characterization and reactivity study of rhenium-impregnated zeolite Y catalysed metathesis of olefins, H Hamdan, Z Ramli, Studies in Surface Science and Catalysis 105, 957-964 (1997)
1996
  1. Optimization and reactivity study of silica in the synthesis of zeolites from rice husk, Z Ramli, E Listiorini, H Hamdan, Jurnal Teknologi 25, 27-36 (1996)
  2. Alumination of the purely siliceous mesoporous molecular sieve MCM-41 and its hydrothermal conversion into zeolite Na-A, H Hamdan, S Endud, H He, MNM Muhid, J Klinowski, Journal of the Chemical Society, Faraday Transactions 92 (12), 2311-2315 (1996)
1994
  1. Laporan Teknik: Penulisan & Penyampaian, H Hamdan, Penerbit UTM (1995)
  2. CompuTerm: Peristilahan Berbantukan Komputer, MNM Muhid, H Hamdan Buletin Kimia 9 (1), page 21 to 25 (1994)
  3. Structural Characterization of Rhenium Impregnated Zeolite Y and ZSM-5 by 29Si and 27 Al MAS NMR and IR Spectroscopy, H Hamdan, Z Ramli, Studies in Surface Science and Catalysis 83, 125-132 (1994)
  4. Zeolite-Rubber Blend: A composite with improved mechanical and conducting properties, H Hamdan, MNM Muhid, A Yahya, Studies in Surface Science and Catalysis 84, 1091-1098 (1994)
  5. Novel synthesis and characterization of zeolite ZSM-5 from rice husk, H Halimaton, L Endang, Buletin Kimia 9 (1), 37-43 (1994)
1993
  1. Terminologi berbantukan komputer peribadi (CompuTerm) bagi penterjemah: pembangunan perisian, Mohd. Nazlan Mohd. Muhid, H Hamdan, (1993)
1992
  1. Introduction to Zeolites: Synthesis, H Hamdan, Characterization, and Modification, Universiti Teknologi Malaysia, Kualalumpur (1992)
  2. Introduction to Zeolites: Synthesis, Characterization, and Modification, H Hamdan, Universiti Teknologi Malaysia, Kualalumpur (1992)
1989
  1. 27Al quadrupole nutation NMR studies of amorphous aluminosilicates, H Hamdan, J Klinowski, Chemical Physics Letters 158 (5), 447-452 (1989)
  2. 1H mas NMR and IR studies of the acidic properties of realuminated zeolite Y, J Klinowski, H Hamdan, A Corma, V Fornes, M Hunger, D Freude, Catalysis letters 3 (3), 263-272 (1989)
  3. Zeolite Synthesis, H Hamdan, J Klinowski, ACS Symposium Series 398, 448 (1989)
  4. QUADRUPOLE NUTATION NMR-STUDIES OF 2ND GENERATION FAUJASITIC CATALYSTS, H HAMDAN, J KLINOWSKI, ACS SYMPOSIUM SERIES 398, 465-478 (1989)
  5. Analisis penukargantian isomorfus dalam pepejal zeolit dengan teknik-teknik spektroskopi putaran sudut ajaib rmn, infra-merah transformasi fourier dan pembelauan sinar-x, H Hamdan, Universiti Teknologi Malaysia (1989)
  6. Secondary synthesis of faujasitic catalysts, H Hamdan, J Klinowski, ACS Symposium Series 398, 448-464 (1989)
  7. Solid-state nuclear magnetic resonance studies of isomorphous substitution in zeolitic frameworks, H Hamdan, University of Cambridge (1989)
  8. Quadrupole nutation nmr reveals the presence of a new aluminium species in hydrothermally treated zeolites, H Hamdan, J Klinowski, Journal of the Chemical Society, Chemical Communications, 240-242 (1989)
  9. Hydrothermal isomorphous substitution of aluminum in faujasitic frameworks: second-generation zeolite catalysts, H Hamdan, B Sulikowski, J Klinowski, The Journal of Physical Chemistry 93 (1), 350-356 (1989)
1988
  1. QUADRUPOLE NUTATION NMR-STUDIES OF 2ND GENERATION FAUJASITIC CATALYSTS, H HAMDAN, PP MAN, J KLINOWSKI, ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 196, 43 (1988)
  2. Solid-state NMR studies of the geometry of Bronsted acid sites in zeolitic catalysts D Freude, J Klinowski, H Hamdan, Chemical physics letters 149 (4), 355-362 (1988)
1987
  1. Isomorphous substitution of framework silicon by aluminium in silicalite: factors determining resolution of 29Si magic-angle-spinning NMR spectra of pentasil zeolites, H Hamdan, J Klinowski, Chemical physics letters 139 (6), 576-580 (1987)
  2. SOLID-STATE NMR-STUDIES OF ISOMORPHOUS SUBSTITUTION IN ZEOLITIC CATALYSTS, J KLINOWSKI, H HAMDAN, B SULIKOWSKI, PP MAN, SW CARR, ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 194, 394 (1987)
  3. SI-29-SOLID-STATE NMR-STUDIES OF HIGHLY SILICEOUS ZEOLITES, J KLINOWSKI, S RAMDAS, H HAMDAN, ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 194, 309 (1987)
  4. Structural and catalytic consequences of isomorphorus substitution of silicon by aluminium and vice versa in the framework of pentasil zeolites, B Sulikowski, J Rakoczy, H Hamdan, J Klinowski, Journal of the Chemical Society, Chemical Communications, 1542-1543 (1987)
1981
  1. Adsorptive bubble separation: partial separation of dilute aqueous solutions of alcohol sulfate and anionic silicone surfactants by foam fractionation, H Hamdan, Marshall University

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