Browsing School of Environmental Engineering (Articles) by Title

Now showing items 88-107 of 129

    • Performance and kinetic study on bioremediation of diazo dye (reactive black 5) in wastewater using spent GAC-biofilm sequencing batch reactor 

      Ong, Soon An, Dr.; Ho, Li Ngee, Dr.; Wong, Yee Shian; Komalathevi, Raman (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 ...

    • Performance evaluation of laboratory scale up-flow constructed wetlands with different designs and emergent plants. 

      Soon-An, Ong; Uchiyama, Katsuhiro; Inadama, Daisuke; Ishida, Yuji; Yamagiwa, Kazuaki (Elsevier Ltd, 2010-10)
      The objective of present study was to assess the simultaneous removal of organic pollutants and nutrients by five laboratory scale up-flow constructed wetlands (UFCWs). Aerobic and anaerobic regions were well developed at ...

    • Performance evaluation of okra (abelmoschus esculentus) as coagulant for turbidity removal in water treatment 

      Fahmi, Muhammad Ridwan, Dr.; Nasrul, Hamidin, Dr.; Che Zulzikrami, Azner Abidin; Umi Fazara, Md. Ali, Dr.; Mohd Irfan Hatim, Mohamed Dzahir (Trans Tech Publications, 2014)
      The objective of this study is to evaluate the performance of turbidity removal in water by using Okra (Abelmoschus esculentus) as natural coagulant. The coagulation active agent in various Okra sections was extracted with ...

    • Performance improvement of torque characteristics using the Multi Type Interior Permanent Magnet motor 

      Norhisam, Misron, Prof. Madya Dr.; Siti Khodijah, Mazalan; Nashiren Farzilah, Mailah, Dr.; Desa, Ahmad, Prof. Ir. Dr.; Aravind, C. V.; Zare, Mohsen R.; Hiroyuki, Wakiwaka (Praise Worthy Prize S.r.l., 2012)
      The torque characteristic of the novel Multi Type Interior Permanent Magnet (MTIPM) motor that can be operated as permanent magnet stepper (PMST) and dc brushless motor (BLDC) configuration is presented. It briefly presents ...

    • Performance of lightweight foamed concrete with replacement of concrete sludge aggregate as coarse aggregate 

      Norlia, Mohamad Ibrahim; Roshazita, Che Amat; Nur Liza, Rahim; Shamshinar, Salehuddin (Trans Tech Publications, 2013)
      The use of waste materials in construction industry is very essential in order to reduce the depletion of natural sources. Thus, this study is focused to determine the performance of lightweight foamed concrete made with ...

    • Performance of nonwoven geotextile as a filter at road shoulder 

      Shamshinar, Salehuddin; Nur Liza, Rahim; Norlia, Mohamad Ibrahim; Mohd Amirul Hafiz, Ilias (Trans Tech Publications, 2013)
      Geotextile is one of material in engineering field. In this research, nonwoven geotextile is used at road shoulder to flow clean water to the drainage system since it can act as a filter. The purpose of this research are ...

    • Photocatalytic degradation of reactive black 5 by fish scale-loaded TiO 2 composites 

      Ho, Li Ngee; Ong, Soon-An; Yee, Lin See (Springer Science+Business Media B.V., 2012-09)
      Titania and TiO 2/fish scale composites at different mass ratios (90:10, 70:30, and 50:50) were prepared by sol-gel method for application as photocatalysts in this study. Fish scale, synthesized TiO 2, and TiO 2/fish scale ...

    • Photocatalytic mineralization of azo dye Acid Orange 7 under solar light irradiation 

      Ong, Soon An, Dr.; Ho, Li Ngee, Dr.; Wong, Yee Shian; Ohm, Mar Min; Lai, Li Sze; Khiew, Siee Kung; Viswanathan, Murali (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 ...

    • Physicochemical properties of pyrolitic carbon black from waste tyres 

      Umi Fazara, Md. Ali, Dr.; Ishak, Jainoo; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Fahmi, Muhammad Ridwan, Dr. (Trans Tech Publications, 2014)
      Waste tyres which are mainly generated from automotive industries have become a major environmental problem to the local authorities, the tyre industries and tyre dealer. When tyres are no longer usable due to worn-out, ...

    • Processing and characterization of calcined kaolin cement powder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali; Cheng, Yong Heah (Elsevier Ltd, 2012-05)
      Abstract This paper aimed at investigating the possibility of calcined kaolin to produce cement powder that could be an alternative to Portland cement by applying geopolymerization process. Cement paste was firstly made ...

    • The processing, characterization, and properties of fly ash based geopolymer concrete 

      Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya (Advanced Study Center Co. Ltd, 2012)
      In recent years, attempts to increase the utilization of fly ash as a replacement for ordinary Portland cement (OPC) in concrete have increased in significance. Geopolymer concrete does not need the presence of Portland ...

    • Production of bioflocculant by staphylococcus cohnii ssp. from Palm Oil Mill Effluent (POME) 

      Wong, Yee Shian; Ong, Soon An, Dr.; Teng, Tjoon Tow; Nabilah Aminah, Lutpi; Kumaran, Kasthuri (Springer Science+Business Media B.V., 2012-09)
      Staphylococcus cohnii ssp. was found to produce a bioflocculant with high flocculating activity for kaolin suspension. Using optimized culture conditions, a flocculating activity of 70.3 % at a bioflocculation concentration ...

    • Production of methane gas from organic fraction municipal solid waste (OFMSW) via anaerobic process: Application methodology for the Malaysian condition 

      Irnis Azura, Zakarya, Dr.; Ismail, Abustan, Prof. Dr.; Norli, Ismail, Dr.; Mohd Suffian, Yusoff, Assc. Prof. Dr. (Inderscience Enterprises Ltd, 2013)
      Solid waste management in Malaysia is confronted with many problems, including low collection coverage, irregular collection services, inadequate equipment used for waste collection, crude open dumping and burning without ...

    • Properties of lightweight concrete composites with mixture of fly ash and concrete sludge aggregate 

      Norlia, Mohamad Ibrahim; Roshazita, Che Amat; Shamshinar, Salehuddin; Nur Liza, Rahim; Abdul Rahim, Abdul Razak; Ooi, Wei Hong (Trans Tech Publications, 2014)
      Lightweight foamed concrete is a concrete made by cement slurry mixed with foam so that foamed concrete that is much lighter than conventional concrete can be produced. The objectives of this study is to develop optimal ...

    • Properties of metakaolin geopolymeric binder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohamed, Bnhussain, Prof. Dr.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Heah, Cheng Yong (American Scientific Publishers, 2013-01)
      This paper investigates the physical and mechanical properties as well as the morphology study of the MK geopolymeric binder. Mixture of waterglass liquid and NaOH solution were used as the activator solution for the ...

    • Removal of chromium (VI) from aqueous solution using treated oil palm fibre 

      Mohamed Hasnain, Isa; Naimah, Ibrahim; Hamidi, Abdul Aziz; Mohd. Nordin, Adlan; Nor Habsah, Md. Sabiani; Ali Akbar Lorestani, Zinatizadeh; Shamsul Rahman, Mohamed Kutty (Elsevier B.V, 2007-07-17)
      This study proposed an oil palm by-product as a low-cost adsorbent for the removal of hexavalent chromium [Cr (VI)] from aqueous solution. Adsorption of Cr (VI) by sulphuric acid and heat-treated oil palm fibre was conducted ...

    • Removal of colour from landfill by solar photocatalytic 

      Salwa, Mohd Zaini Makhtar; Ibrahim, N.; Mohammad Tamizi, Selimin (Asian Network for Scientific Information, 2010)
      This study was conducted to examine the percentage of colour removal using coagulation as pretreatment, followed by the effects of ZnO, pH, stirring time and solar photocatalytic as final treatment. The duration of ...

    • Review on fly ash-based geopolymer concrete without Portland Cement 

      Mohd Mustafa, Al Bakri; Mohammed, H.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr.; Zarina, Yahya (Academic Journals, 2011-01)
      The consumption of Ordinary Portland Cement (OPC) caused pollution to the environment due to the emission of CO2. As such, alternative material had been introduced to replace OPC in the concrete. Fly ash is a by-product ...

    • Review on the various ash from palm oil waste as geopolymer material 

      Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak (Advanced Study Center Co. Ltd., 2013)
      The solid waste from palm oil mill industry has been increasing annually where it has been reported that the palm oil waste was produced 4 million tons/years in Malaysia only. Hence, the solution to overcome the problems ...

    • Risk assessment study for storage explosive 

      Saiful Azhar, Saad; Abdul Rahman, M.; Saari, Mustapha; Farizul Hafiz, Kasim; Suhardy, Daud (Science Publications, 2006)
      In Malaysia, there has been rapidly increasing usage in amount of explosives due to widely expansion in quarrying and mining industries. The explosives are usually stored in the storage where the safety precaution had given ...