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#TitleJournalYearCitations
1Insights into the modeling of adsorption isotherm systemsChemical Engineering Journal20105,747
2Parameters affecting the photocatalytic degradation of dyes using TiO2-based photocatalysts: A reviewJournal of Hazardous Materials20091,593
3Homogeneous, heterogeneous and enzymatic catalysis for transesterification of high free fatty acid oil (waste cooking oil) to biodiesel: A reviewBiotechnology Advances20101,054
4Adsorption of basic dye on high-surface-area activated carbon prepared from coconut husk: Equilibrium, kinetic and thermodynamic studiesJournal of Hazardous Materials2008939
5Microalgae as a sustainable energy source for biodiesel production: A reviewRenewable and Sustainable Energy Reviews2011857
6Application of chitosan and its derivatives as adsorbents for dye removal from water and wastewater: A reviewCarbohydrate Polymers2014844
7Microalgae biofuels: A critical review of issues, problems and the way forwardBiotechnology Advances2012797
8Insight into the adsorption kinetics models for the removal of contaminants from aqueous solutionsJournal of the Taiwan Institute of Chemical Engineers2017763
9Surface charge modification via protonation of graphitic carbon nitride (g-C3N4) for electrostatic self-assembly construction of 2D/2D reduced graphene oxide (rGO)/g-C3N4 nanostructures toward enhanced photocatalytic reduction of carbon dioxide to methaneNano Energy2015718
10Batch adsorption of methylene blue from aqueous solution by garlic peel, an agricultural waste biomassJournal of Hazardous Materials2009644
11Adsorption of dyes by nanomaterials: Recent developments and adsorption mechanismsSeparation and Purification Technology2015582
12Adsorption isotherms, kinetics, thermodynamics and desorption studies of 2,4,6-trichlorophenol on oil palm empty fruit bunch-based activated carbonJournal of Hazardous Materials2009571
13Technologies for production of biodiesel focusing on green catalytic techniques: A reviewFuel Processing Technology2009551
14Fixed-bed adsorption of reactive azo dye onto granular activated carbon prepared from wasteJournal of Hazardous Materials2010507
15Solid heterogeneous catalysts for transesterification of triglycerides with methanol: A reviewApplied Catalysis A: General2009506
16Equilibrium modeling and kinetic studies on the adsorption of basic dye by a low-cost adsorbent: Coconut (Cocos nucifera) bunch wasteJournal of Hazardous Materials2008501
17Catalytic Technology for Carbon Dioxide Reforming of Methane to Synthesis GasChemCatChem2009485
18Removal of phenol from aqueous solutions by adsorption onto activated carbon prepared from biomass materialJournal of Hazardous Materials2008480
19Utilization of oil palm as a source of renewable energy in MalaysiaRenewable and Sustainable Energy Reviews2008456
20An overview of landfill leachate treatment via activated carbon adsorption processJournal of Hazardous Materials2009450
21Critical review on the current scenario and significance of crude glycerol resulting from biodiesel industry towards more sustainable renewable energy industryRenewable and Sustainable Energy Reviews2012446
22Characterization of magnetic nanoparticle by dynamic light scatteringNanoscale Research Letters2013446
23Adsorption isotherm and kinetic modeling of 2,4-D pesticide on activated carbon derived from date stonesJournal of Hazardous Materials2009443
24Z‐Scheme Photocatalytic Systems for Carbon Dioxide Reduction: Where Are We Now?Angewandte Chemie - International Edition2020435
25Highly reactive {001} facets of TiO2-based composites: synthesis, formation mechanism and characterizationNanoscale2014412
26Spent tea leaves: A new non-conventional and low-cost adsorbent for removal of basic dye from aqueous solutionsJournal of Hazardous Materials2009409
27Recent progress on catalytic pyrolysis of lignocellulosic biomass to high-grade bio-oil and bio-chemicalsRenewable and Sustainable Energy Reviews2017400
28Oil palm biomass as a sustainable energy source: A Malaysian case studyEnergy2009393
29Recent progress on innovative and potential technologies for glycerol transformation into fuel additives: A critical reviewRenewable and Sustainable Energy Reviews2010385
30High surface area activated carbon from rice husk as a high performance supercapacitor electrodeElectrochimica Acta2016384
31Degradation of wastewaters containing organic dyes photocatalysed by zinc oxide: a reviewDesalination and Water Treatment2012359
32The role of nitrite and free nitrous acid (FNA) in wastewater treatment plantsWater Research2011352
33Malachite green adsorption by rattan sawdust: Isotherm, kinetic and mechanism modelingJournal of Hazardous Materials2008336
34Reduced graphene oxide-TiO2 nanocomposite as a promising visible-light-active photocatalyst for the conversion of carbon dioxideNanoscale Research Letters2013323
35Current challenges in membrane separation of CO2 from natural gas: A reviewInternational Journal of Greenhouse Gas Control2013323
36Recent developments in the preparation and regeneration of activated carbons by microwavesAdvances in Colloid and Interface Science2009316
37Preparation, characterization and evaluation of adsorptive properties of orange peel based activated carbon via microwave induced K2CO3 activationBioresource Technology2012314
38Rejected tea as a potential low-cost adsorbent for the removal of methylene blueJournal of Hazardous Materials2010313
39Synthesis of activated carbon from lignocellulosic biomass and its applications in air pollution control—a reviewJournal of Environmental Chemical Engineering2013310
40Evaluation of papaya seeds as a novel non-conventional low-cost adsorbent for removal of methylene blueJournal of Hazardous Materials2009308
41Impacts of trace element supplementation on the performance of anaerobic digestion process: A critical reviewBioresource Technology2016308
42Facet‐Dependent Photocatalytic Properties of TiO2‐Based Composites for Energy Conversion and Environmental RemediationChemSusChem2014307
43Removal of malachite green dye from aqueous solution using rambutan peel-based activated carbon: Equilibrium, kinetic and thermodynamic studiesChemical Engineering Journal2011306
44A novel agricultural waste adsorbent for the removal of cationic dye from aqueous solutionsJournal of Hazardous Materials2009304
45Equilibrium and kinetic studies of methyl violet sorption by agricultural wasteJournal of Hazardous Materials2008297
46Preparation of activated carbon from coconut husk: Optimization study on removal of 2,4,6-trichlorophenol using response surface methodologyJournal of Hazardous Materials2008296
47Conversion of the greenhouse gas CO2 to the fuel gas CO via the Boudouard reaction: A reviewRenewable and Sustainable Energy Reviews2015295
48Current status and challenges on microalgae-based carbon captureInternational Journal of Greenhouse Gas Control2012293
49Recent trends, opportunities and challenges of biodiesel in Malaysia: An overviewRenewable and Sustainable Energy Reviews2010290
50Coagulation of residue oil and suspended solid in palm oil mill effluent by chitosan, alum and PACChemical Engineering Journal2006289