Yun Hin Taufiq‐Yap
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View article: Investigation of the Performance and Mechanism of CO2 Capture Using Novel MEA/Polyamine/Sulfolane Biphasic Absorbents
Investigation of the Performance and Mechanism of CO2 Capture Using Novel MEA/Polyamine/Sulfolane Biphasic Absorbents Open
Mixed amine/sulfolane (TMS) biphasic solutions have gained attention for their adjustable structure–activity relationships and lower regeneration energy. In this study, monoethanolamine (MEA) is employed as the main absorbent and polyamine…
View article: Fabrication of AgI/ZnO photocatalyst for mechanistic study and photodegradation of tetracycline
Fabrication of AgI/ZnO photocatalyst for mechanistic study and photodegradation of tetracycline Open
Tetracycline is an antibiotic known to inhibit the growth of microorganisms in soil and water. Often, pharmaceutical companies release unwanted and expired antibiotics, leading to water pollution. This study involved the synthesis of AgI c…
View article: Homogenizer-intensified room temperature emollient ester isoamyl oleate production
Homogenizer-intensified room temperature emollient ester isoamyl oleate production Open
The present study reports a successful experiment to produce emollient ester isoamyl oleate (IAO) in room temperature conditions. The process was conducted under mild conditions without external heating. A factorial design was applied to s…
View article: Synthesis, Characterization, and Anti-Breast Cancer Properties of Cu(II) Complexes with Schiff Base and Azo Dye Ligands
Synthesis, Characterization, and Anti-Breast Cancer Properties of Cu(II) Complexes with Schiff Base and Azo Dye Ligands Open
This article focuses on the synthesis of three Schiff base ligands derived from 2-hydroxybenzaldehyde (B: BBr, BOCH3, BNO2) and three azo dye ligands derived from naphthol (A: ABr, AOCH3, ANO2), followed by the preparation of copper(II) co…
View article: Microwave-intensified esterification of high-free fatty acid feedstock into biodiesel using waste chicken eggshells as a heterogeneous catalyst
Microwave-intensified esterification of high-free fatty acid feedstock into biodiesel using waste chicken eggshells as a heterogeneous catalyst Open
The efficacy of waste chicken eggshells as a heterogeneous catalyst is investigated for biodiesel production from high-free fatty acid feedstock under microwave irradiation. The calcined waste chicken eggshells were identified using Thermo…
View article: Preparation and Characterization of Oil Palm Empty Fruit Bunch-Based Cellulose for Levulinic Acid Production
Preparation and Characterization of Oil Palm Empty Fruit Bunch-Based Cellulose for Levulinic Acid Production Open
This study investigates the process of isolating and characterizing cellulose from Oil Palm Empty Fruit Bunch (OPEFB) fibers collected from Sime Darby Plantation, Selangor. The OPEFB fibers underwent a sequence of chemical processes includ…
View article: Tailoring acid-base properties on metal-free zeolite from Indonesia kaolin to enhance the CO2 hydrogenation to CH4
Tailoring acid-base properties on metal-free zeolite from Indonesia kaolin to enhance the CO2 hydrogenation to CH4 Open
The catalytic thermal conversion of carbon dioxide is essential for carbon capture, storage, and utilization, helping to reduce CO2 emissions and potentially stimulating future economic activities. Zeolite Y, ZSM-5, BEA, and A were synthes…
View article: Exploring enhanced syngas production via the catalytic performance of metal‐doped X‐Ni/<scp>CeO<sub>2</sub></scp> (X = Zr, La, Sr) in the dry reforming of methane
Exploring enhanced syngas production via the catalytic performance of metal‐doped X‐Ni/<span>CeO<sub>2</sub></span> (X = Zr, La, Sr) in the dry reforming of methane Open
Background The quest to manufacture large amounts of syngas to bridge fossil fuels and the renewable energy ecosystem stimulates the creation of efficient and stable heterogeneous catalysts. The NiCeO 2 catalysts, synthesized via ultrasoni…
View article: Jet-fuel range hydrocarbon production from Reutealis trisperma oil over Al-MCM-41 derived from Indonesian Kaolin with different Si/Al ratio
Jet-fuel range hydrocarbon production from Reutealis trisperma oil over Al-MCM-41 derived from Indonesian Kaolin with different Si/Al ratio Open
The catalytic conversion of Reutealis trisperma oil was carried out over a Al-MCM-41 based catalyst with different Si/Al ratio with no added hydrogen to examine the possibility of the direct production of hydrocarbons in the ranges of jet …
View article: The mechanism of oleic acid deoxygenation to green diesel hydrocarbon using porous aluminosilicate catalysts
The mechanism of oleic acid deoxygenation to green diesel hydrocarbon using porous aluminosilicate catalysts Open
The role of mesoporous solid acid aluminosilicate in the oleic acid deoxygenation was elucidated using ZSM-5 and Al-MCM-41 impregnated with Ni. The mesoporous supports were synthesized using a similar initial Si/Al ratio but employing diff…
View article: Deoxygenation of waste sludge palm oil into hydrocarbon rich fuel over carbon-supported bimetallic tungsten-lanthanum catalyst
Deoxygenation of waste sludge palm oil into hydrocarbon rich fuel over carbon-supported bimetallic tungsten-lanthanum catalyst Open
Activated carbon (AC) supported catalysts have been extensively applied as deoxygenation (DO) catalysts. However, the details of in situ experimental investigations that relevant to this catalyst are limited. Hereby, we present a series of…
View article: Effect of Bimetallic Co-Cu/Dolomite Catalyst on Glycerol Conversion to 1,2-Propanediol
Effect of Bimetallic Co-Cu/Dolomite Catalyst on Glycerol Conversion to 1,2-Propanediol Open
This present study examines the efficacy of using dolomite (Dol, CaMg(CO3)2)-supported copper (Cu) and cobalt (Co) bimetallic and monometallic catalysts for the hydrogenolysis of glycerol to propylene glycol (PG; 1,2-PDO). The proposed cat…
View article: Performance of NiO Doped on Alkaline Sludge from Waste Photovoltaic Industries for Catalytic Dry Reforming of Methane
Performance of NiO Doped on Alkaline Sludge from Waste Photovoltaic Industries for Catalytic Dry Reforming of Methane Open
Alkali sludge (AS) is abundantly waste generated from solar PV solar cell industries. Since this potential basic material is still underutilized, a combination with NiO catalyst might greatly influence coke resentence, especially in high-t…
View article: The roles of carbonaceous wastes for catalysis, energy, and environmental remediation
The roles of carbonaceous wastes for catalysis, energy, and environmental remediation Open
This article reviews recent studies about various generations of the carbon materials for their applications in energy and environmental remediation. The synthesis routes of the carbon materials including the condition parameters, interact…
View article: Catalytic Dry-reforming of Methane Process with Co,Ni,Pd/Ca-La-O Mixed Oxides
Catalytic Dry-reforming of Methane Process with Co,Ni,Pd/Ca-La-O Mixed Oxides Open
A surfactant-assisted co-precipitation method was used to prepare the catalysts Co,Ni,Pd/CaO, Co,Ni,Pd/Ca0.97La3+0.03O, Co,Ni,Pd/Ca0.93La3+0.07O, and Co,Ni,Pd/Ca0.85La3+0.15O (1% each of Co, Ni, and Pd). La2O3 doping effect on the activity…
View article: Overview of municipal solid wastes-derived refuse-derived fuels for cement co-processing
Overview of municipal solid wastes-derived refuse-derived fuels for cement co-processing Open
The global municipal solid waste (MSW) generation rate is 2.01 billion metric tonnes annually with an average of 0.74 kg waste/person/day. Approximately 92 % of the MSW originates from organics composition (e.g., food waste; plastic; paper…
View article: Towards sustainable green diesel fuel production: Advancements and opportunities in acid-base catalyzed H2-free deoxygenation process
Towards sustainable green diesel fuel production: Advancements and opportunities in acid-base catalyzed H2-free deoxygenation process Open
This review delves into the potential of renewable biomass for green diesel production. Deoxygenation technology offers a promising method for converting biomass-derived oxygenates oil into high-grade hydrocarbon factions. Hence, various d…
View article: Plastic waste and microplastic issues in Southeast Asia
Plastic waste and microplastic issues in Southeast Asia Open
Plastic pollution on land and in oceans is currently a pressing environmental issue. The accumulation of waste has caused severe, irreversible impacts and consequences on marine life, ecosystems, and the environment due to the lack of good…
View article: Glycerol acetylation over yttrium oxide (Y2O3) catalyst supported on palm kernel shell-derived carbon and parameters optimization studies using response surface methodology (RSM)
Glycerol acetylation over yttrium oxide (Y2O3) catalyst supported on palm kernel shell-derived carbon and parameters optimization studies using response surface methodology (RSM) Open
A biomass derived carbon supported yttrium oxide catalyst (Y2O3/PKS-T700) was synthesized and evaluated in glycerol acetylation reaction using four-factor, two-level face-centred central composite design (24 CCD) of the response surface me…
View article: Catalytic, Theoretical, and Biological Investigations of Ternary Metal (II) Complexes Derived from L-Valine-Based Schiff Bases and Heterocyclic Bases
Catalytic, Theoretical, and Biological Investigations of Ternary Metal (II) Complexes Derived from L-Valine-Based Schiff Bases and Heterocyclic Bases Open
A new series of ternary metal complexes, including Co(II), Ni(II), Cu(II), and Zn(II), were synthesized and characterized by elemental analysis and diverse spectroscopic methods. The complexes were synthesized from respective metal salts w…