School of Environmental Engineering (Articles): Recent submissions

Now showing items 41-60 of 129

    • Decanter cake as a feedstock for biodiesel production: A first report 

      Maniam, Gaanty Pragas; Noor Hindryawati; Irma, Nurfitri; Rajan, Jose, Prof. Dr.; Mohd Hasbi, Ab. Rahim, Dr.; Farrah Aini, Dahalan, Dr.; Mashitah, Mohd Yusoff (Elsevier Ltd., 2013)
      Decanter cake (DC), with an oil content of 11.5 ± 0.18 wt.%, was subjected to ultrasound-aided transesterification using boiler ash as a base catalyst, petroleum ether and hexane as co-solvents. Optimization work revealed ...

    • Adsorption efficiency of garcinia mangostana linn. (GML) shells based activated carbon 

      Nabilah Aminah, Lutpi; W. Fadhilah, W. M. Khalik; Che Ku Kairulazam, Che Ku Abdullah; Wong, Yee Shian; Ong, Soon An, Dr.; Tengku Nuraiti, Tengku Izhar (Trans Tech Publications, 2013)
      The objective of this study is to investigate the adsorption efficiency of Garcinia Mangostana Linn. (GML) shells based activated carbon using two synthetic dyes which are methylene blue and acid orange 7. The parameters ...

    • Sorption of methylene blue and acid orange 7 onto ananas comosus peels and leaves based activated carbon 

      Nabilah Aminah, Lutpi; Nurul Najiha, Jamil; Che Ku Kairulazam, Che Ku Abdullah; Wong, Yee Shian; Ong, Soon An, Dr.; Tengku Nuraiti, Tengku Izhar (Trans Tech Publications, 2013)
      The adsorption of Methylene Blue (MB) and Acid Orange 7 (AO7) dye onto Ananas Comosus Mixed Peels and Leaves (ACMPL) were carried out by conducting four different parameters such as initial concentration, pH, dosage of ...

    • Correlating composition design and properties of calcined kaolin geopolymeric powder 

      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, 2013-12)
      This paper discussed the relation between composition design and properties of calcined kaolin geopolymeric powder. Geopolymeric powder was produced by applying the geopolymerization process. The solids-to-liquid ratios ...

    • 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 ...

    • Awareness of the Industrialized Building System (IBS) implementation in Northern Malaysia - A case study in Perlis 

      Umar, Hj. Kassim; Luqman, Walid (Elsevier B.V., 2013)
      The Industrialized Building Systems (IBS) can be defined in which all building components such as the wall, slab, beam, column and staircase are mass-produced either in the factory or on the factory site under strict quality ...

    • Biosorption of iron (III) from aqueous solution using pleurotus ostreatus spent mushroom compost as biosorbent 

      Ain Nihla, Kamarudzaman; Tay, Chia Chay, Dr.; Mohd Faizal, Ab Jalil; Suhaimi, Abdul Talib, Prof. Sr. Ir. Dr. Hj. (Trans Tech Publications, 2013)
      The ability of Pleurotus ostreatus spent mushroom compost for the biosorption of Iron (III) from aqueous solutions was investigated. The study was conducted in batch experiments under varying operating conditions. The ...

    • The behaviours of steel fiber as main reinfocement in high performance slurry infiltrated fiber reinforced concrete 

      Mustaqqim, Abdul Rahim; Zuhayr, Md Ghazaly; Ragunathan, Santiagoo; Shahiron, Shahidan (Trans Tech Publications, 2014)
      Normally, the concrete structure fabricated by combining steel bars as main reinforcement to the concrete mix. In this methid, the steel fiber is randomly distributed in the mould before the concrete slurry takes place. ...

    • Natural rubber/styrene butadiene rubber/recycled nitrile glove (NR/SBR/rNBRg) ternary blend: Curing characteristics and swelling test 

      Nik Zakaria, Nik Yahya; Nik Noriman, Zulkepli, Dr.; Mohd Arif Anuar, Mohd Salleh; Hanafi, Ismail, Prof.; Ragunathan, Santiagoo (Trans Tech Publications, 2014)
      Curing characteristics and swelling behavior of natural rubber/styrene butadiene rubber/recycled nitrile glove (NR/SBR/rNBRg) blends were investigated. Eleven composition ratio; 50/50/0, 50/40/10, 50/30/20, 50/20/30, ...

    • Catalytic dehydrogenation of methylcyclohexane (MCH) to toluene in a palladium/alumina hollow fibre membrane reactor 

      Mohd Irfan Hatim, Mohamed Dzahir, Dr.; Umi Fazara, Md. Ali, Dr.; Muhammad Syarhabil, Ahmad, Dr.; Fahmi, Muhammad Ridwan, Dr. (Elsevier Ltd., 2013)
      A compact multifunctional Pd/alumina hollow fibre membrane reactor (HFMR) has been developed and used for the catalytic dehydrogenation of methylcyclohexane to toluene. The developed HFMR consists of a thin and defect-free ...

    • Characterization of rambutan seed (Nephelium lappaceum) as natural adsorbent for wastewater treatment 

      Norlia, Mohamad ibrahim; Fatimah Zahra, Abdullah; Roshazita, Che Amat; Shamshinar, Salehuddin; Nur Liza, Rahim (Trans Tech Publications, 2013)
      Activated carbons were prepared from rambutan seed with impregnation of zinc chloride as dehydrating agent. In order to find its characteristics, different zinc chloride to rambutan seed ratio (0.5 and 2) and activation ...

    • General properties of kaolin geopolymers 

      Heah, Cheng Yong; 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; Liew, Yun Ming (American Scientific Publishers, 2013-01)
      This paper reported the properties of kaolin geopolymers in term of the bulk density, compressive strength, qualitative observation and SEM analysis of the kaolin geopolymers. Kaolin geopolymers were synthesized through ...

    • Influence of oxide molar ratios on kaolin geopolymers 

      Heah, Cheng Yong; 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; Liew, Yun Ming (American Scientific Publishers, 2013-12)
      Oxide molar ratios are the main key parameter determining the performance of a kaolin geopolymers. The kaolin composition and various mixture proportions will lead to different oxide molar ratios in geopolymer system. In ...

    • Cure characteristics and hardness of recycled latex catheter (LCr) filled with Standard Malaysia Rubber (SMR L) compounds 

      Lokman Hakim, Ibrahim; Nik Noriman, Zulkepli, Dr.; Sam, Sung Ting, Dr.; Sharifah Shahnaz, Syed Abu Bakar, Dr; Santiagoo, Ragunanthan (Trans Tech Publications, 2013)
      The effect of cure characteristics and hardness of LCr filled SMR L compound were investigated. The size of LCr were 20 - 25 mm in range. Six compounds; 0, 5, 15, 2 5, 35 and 5 0 per hundred rubber (phr) of LCr were prepared ...

    • Comparison on biodegradation of anionic dye orange II and cationic dye methylene blue by immobilized microorganisms on spent granular activated carbon 

      Ong, Soon An, Dr.; Ho, Li Ngee, Dr.; Wong, Yee Shian (Taylor & Francis Online, 2014-01)
      Activated carbon adsorption and biological degradation are two important methods used in the treatment of industrial wastewater among others. The objective of this study is to investigate the biodegradation of anionic dye ...

    • Design, processing and characterization of fly ash-based geopolymers for lightweight concrete application 

      Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Sandu, Andrei Victor; Mohamed, Bnhussain, Prof. Dr.; Zarina, Yahya; Rafiza, Abdul Razak (Institute for Scientific Information (ISI), 2013-04)
      The mix design of geopolymers plays important role in obtaining desirable compressive strength. Optimum mix design of geopolymers can be applied for application, such as lightweight concrete. In order to determine the ...

    • Effects of elevated temperatures on the thermal behavior and mechanical performance of fly ash geopolymer paste, mortar and lightweight concrete 

      Omar A., Abdulkareem; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Dr.; Saif, Ala’eddin A. (Elsevier, 2014-01)
      This paper reports a comparative study of the influence of elevated temperature on geopolymer paste, mortars and lightweight aggregate geopolymer concrete (LWAGC) systems made by using fly ash (FA) as only source material. ...

    • Fire resistance of biomass ash panels used for internal partitions in buildings 

      Roshazita, Che Amat; Norlia, Mohamad Ibrahim; Nur Liza, Rahim; Nur Saidatul Balqish, Ahmad Tajudin; Khairel Rafezi, Ahmad, Dr. (Elsevier B.V., 2013)
      This study was to develop fire-resistant panels with a high biomass ash ratio from the combustion of EFB at an industrial scale to be used in different fire-resistant internal partitions in buildings and industrial ...

    • Study of concrete using modified polystyrene coarse aggregate 

      Mohd Mustafa Al-Bakri, Abdullah; Zarina, Yahya; Norazian, Mohamed Noor; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Rafiza, Abdul Razak (Trans Tech Publications, 2013)
      Polymer recycling has received a great deal of attention in recent years. At the present time, small percentages of polymer wastes in Malaysia are being recycled. The recycling process has typically consisted of reprocessing ...

    • Strength of concrete with ceramic waste and quarry dust as aggregates 

      Mohd Mustafa Al-Bakri, Abdullah; Norazian, Mohamed Noor; Mazlan, Mohamed; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liyana, Jamaludin (Trans Tech Publications, 2013)
      This research focuses on a study of the strength of concrete with ceramic waste as coarse aggregate and quarry dust as fine aggregate. The sources of ceramic waste and quarry dust are obtained from the industrial in Malaysia. ...