Browsing Wong Yee Shian, Assoc. Prof. Ts. Dr. by Title
Now showing items 11-30 of 39
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Decolorization and mineralization of Batik wastewater through solar photocatalytic process
(Penerbit Universiti Kebangsaan Malaysia, 2015-04-01)In this study, the photocatalytic degradation of batik wastewater in the presence of zinc oxide (ZnO) as photocatalyst was investigated. The effect of various operating parameters, such as pH of batik wastewater, catalyst ... -
Decolorization of methyl orange using upflow anaerobic sludge blanket (UASB) reactor-An investigation of co-substrate and dye degradation kinetics
(Taylor & Francis, 2013)Decolorization of a synthetic wastewater containing Methyl Orange (MO) azo dye was performed in an upflow anaerobic sludge blanket (UASB) reactor. Color removal efficiencies approaching 94, 90 and 96% were obtained with ... -
Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent
(Royal Society of Chemistry, 2015)Cationic dye (methylene blue) and anionic dye (methyl orange) degradation in the coagulation process was demonstrated. The key material was a natural coagulant-laterite soil dominated by a silica component, while aluminum-ferric ... -
Degradation of phenol through solar-photocatalytic treatment by zinc oxide in aqueous solution
(Taylor and Francis Ltd., 2015-05-08)Phenol-containing wastewater is only allowed in a very small amount either in sewage or industrial effluent due to the hazardous effect towards the environment. The objective of this study was to investigate the photocatalytic ... -
Degradation of synthetic dye wastewater by using combined anaerobic-aerobic and aerobic sequencing batch reactors
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)Azo dyes are the dye used by the majority of the textile industries. The treatment options for this azo dye are physical, chemical and biological methods. The aim of this study was to assess the performance of dye ... -
Effects of cationization hybridized biopolymer from Bacillus subtilis on flocculating properties
(Taylor and Francis Ltd., 2015-07-29)Bacillus subtilis isolated from palm oil mill wastewater was able to produce biopolymer with high flocculating activity in treating kaolin clay suspension (Al2Si2O5(OH)4). Hybridization of the biopolymer with monovalent, ... -
Effects of synthesis Ni doped Tio2 on Photocatalytic degradation process
(AENSI Publisher (American-Eurasian Network for Scientific Information, 2014)Titanium is opropoxide, Ethanol, Acetic acid and nickel chloride hexahydrate were used as reagents. The objectives of this study is to synthesize TiO2 and Ni doped TiO2 powders by using reflux sol-gel method and to compare ... -
Evaluation of integrated anaerobic-aerobic biofilm reactor for degradation of azo dye methyl orange
(Elsevier Ltd., 2013-09)This study was to investigate the mineralization of wastewater containing methyl orange (MO) in integrated anaerobic-aerobic biofilm reactor with coconut fiber as bio-material. Different aeration periods (3. h in phase 1 ... -
Evaluation on the molecular structure of azo dye in photocatalytic mineralization under solar light irradiation
(Taylor and Francis Ltd., 2015-08-21)The aim of this study was to investigate the effects of number of sulphonic groups on solar photocatalytic degradation of Acid Orange 7 (AO7), Orange G (OG), New Coccine (NC), Reactive Black 5 (RB5) and Reactive Green 19 ... -
Heavy metal (iron) removal from landfill eachate by using two-stage constructed wetlands planted with Limnocharis flava and Eichhornia crassipes
(Universiti Malaysia Sarawak (UNIMAS)Faculty of Resource Science & Technology, 2009-08-03)The main purpose of this study was to treat heavy metal present in landfill leachate by the use of two-stage constructed wetland and planted with Limnocharis flava and Eichhornia crassipes. This study also examine the ... -
A highly efficient single chambered up-flow membrane-less microbial fuel cell for treatment of azo dye Acid Orange 7-containing wastewater
(Elsevier B.V., 2015-12-01)Single chambered up-flow membrane-less microbial fuel cell (UFML MFC) was developed to study the feasibility of the bioreactor for decolorization of Acid Orange 7 (AO7) and electricity generation simultaneously. The ... -
Hybrid system up-flow constructed wetland integrated with microbial fuel cell for simultaneous wastewater treatment and electricity generation
(Elsevier Ltd, 2015-06-01)An innovative design of upflow constructed wetland-microbial fuel cell (UFCW-MFC) planted with cattail was used for simultaneous wastewater treatment and electricity generation. The electrodes material employed in the study ... -
Methane gas production from palm oil wastewater - An anaerobic methanogenic degradation process in continuous stirrer suspended closed anaerobic reactor
(Elsevier, 2014-05)Methane gas (CH4) production from the anaerobic methanogenesis degradation of palm oil wastewater was carried out in laboratory continuous stirrer suspended closed anaerobic reactor (SCAR) at mesophilic temperature of 35 ... -
Mineralization of diazo dye (Reactive Black 5) in wastewater using recirculated up-flow constructed wetland reactor
(Desalination Publications, 2012)Application of a sequential anaerobic and aerobic process in a constructed wetland can enhance the treatment performance of textile wastewater. In this study, two laboratory-scale recirculated up-flow constructed wetland ... -
Mineralization of Methyl Orange-containing wastewater by integrated anaerobic and aerobic processes using spent granular activated carbon-biofilm under sequencing batch reactor operation
(Taylor & Francis, 2013)Mineralization of azo dye required combination of anaerobic and aerobic processes either in two stages or single stage of treatment. The aim of the present study was to evaluate the treatment performance in the decolorization ... -
A novel pretreatment method of lignocellulosic material as adsorbent and kinetic study of dye waste adsorption
(Springer Science+Business Media B.V., 2010)Sulphuric acid-modified bagasse has been used as low-cost adsorbent for the removal of methylene blue (MB) dye from aqueous solution. In order to remove organic compounds that contribute to chemical oxygen demand (COD), ... -
Performance and kinetic study on bioremediation of diazo dye (reactive black 5) in wastewater using spent GAC-biofilm sequencing batch reactor
(Springer Science+Business Media B.V., 2012-05)Combinations of sequential anaerobic and aerobic process enhance the treatment of textile wastewater. The aim of this study was to investigate the treatment of diazo dye Reactive Black 5 (RB5)- containing wastewater using ... -
Photocatalytic activity of zinc oxide (ZnO) synthesized through different methods
(Taylor and Francis Ltd., 2016-06)Derivatives of phenol are considered as part of the persistent organic pollutants with endocrine effects persist in the environment and resist to bio-degradation which is difficult to be degraded. The objective of this ... -
Photocatalytic degradation of binary azo dyes solution by using titanium oxide suspensions
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)Photocatalytic degradation of binary Acid Orange 7 (AO7) and Reactive Green 19 (RG19) under sunlight irradiation in titanium oxide (TiO2) suspensions was investigated. The objectives of this study is to evaluate the ... -
Photocatalytic mineralization of azo dye Acid Orange 7 under solar light irradiation
(Desalination Publications, 2012)The objective of this study was to investigate mineralization of hazardous water soluble azo dye Acid Orange 7 (AO7) under photocatalytic process. In this experiment, sunlight was used as the source for UV irradiation and ...