Browsing Conference Papers by Author "Khairul Nizar, Ismail"

Now showing items 1-20 of 20

    • ‘Batu Reput’ used as raw material in fertilizer production 

      Mohd Nazry, Salleh; Farizul Hafiz, Kasim; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin; Saiful Azhar, Saad; Suhardy, Daud (Malaysian Institute for Nuclear Technology Research (MINT), Xapp Malaysia-MNS & Universiti Kebangsaan Malaysia (UKM), 2006-11-29)
      ‘Batu Reput’ is primary sediment mineral and abundantly found in Perlis. Perlis is one of the major producers of ‘Batu Reput’ in Malaysia that content large deposit of high-purity dolomite [CaMg (CO3)2]. Pure samples of ...

    • Biocrude from biomass: Pyrolysis of rice straw 

      Razi, Ahmad; Khairuddin, Md lsa; Khairul Nizar, Ismail; Khudzir, Ismail (Forest Research Institute Malaysia (FRIM), 2009-10-27)
      A series of biocrudes and chars were prepared from agricultural by-product rice straw. Fixed bed pyrolysis experiments have been conducted on a sample of rice straw to determine the effects of pyrolysis temperature, heating ...

    • Characterization of BET, XRF and weight loss on dolomite and calcined dolomite heated at different heating time 

      Mokhzani Khair, Ishak; Khairul Nizar, Ismail; Banjuraizah, Johar; Kamarudin, Hussin; Wan Mohd Sabki, Wan Omar (Universiti Sains Malaysia (USM)School of Materials & Mineral Resources Engineering (SMMRE), 2009-06-01)
      Dolomite consist carbonate of calcium and magnesium (CaC03 and MgCO^). It is formed [CaMg (CO^J from chemical action of sea-water containing high magnesium on limestone. The purpose of this study is to characterize dolomite ...

    • Characterization of limestone and dolomite using x-ray fluorescent (XRF) for cement processing 

      Mokhzani Khair, Ishak; Khairul Nizar, Ismail; Kamarudin, Hussin; Wan Mohd Sabki, Wan Omar; Banjuraizah, Johar; Mohd Nazry, Salleh; Umar, Kassim (Mineral Research Centre, 2009-11-09)
      Dolomite and limestone is considered under a sedimentary carbonated rocks. It contains almost same compound but major difference is on the amount of MgO and CaO which prove with XRF testing. MgO for dolomite shows 23% and ...

    • Comparison between Perlis and Ipoh dolomite under heating condition by using SEM-EDS 

      Mohd Nazry, Salleh; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali; Suhardy, Daud; Saiful Azhar, Saad; Farizul Hafiz, Kasim (Kolej Universiti Sains dan Teknologi Malaysia (KUSTEM), 2006-12-04)
      Perlis dolomite or locally known as ‘batu reput’ in state of Perlis explored in Koperasi Rimba Mas Padang Besar Quarry while Ipoh dolomite is a dolomitic limestone provided by Ipoh Seramic Sdn. Bhd.. Perlis is one of the ...

    • The development of artificial marble from Dolomite (Batu Reput) in Perlis 

      Kamarudin, Hussin; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Mohd Sobri, Idris; Mohd Nazry, Salleh; Khairul Nizar, Ismail (Kolej Universiti Kejuruteraan Utara Malaysia, 2006-06-15)
      Perlis is one of the major producers of “Batu Reput” in Malaysia and majority of the deposits contain of high-purity calcium and magnesium carbonate. The composition of Batu Reput is similar with the ordinary dolomite. ...

    • Influence of temperature, heating rate and holding time on the fixed-bed pyrolysis of rice straw 

      Razi, Ahmad; Khairuddin, Md Isa; Khairul Nizar, Ismail; Khudzir, Ismail; Mohd Asri, Abd Rahim (Universiti Malaysia Pahang, 2009-06-20)
      Rice straw was pyrolysed in a fixedbed reactor. The effect of pyrolysis temperature, heating rate and holding time on the yield of the products were investigated. Pyrolysis runs were performed using pyrolysis temperatures ...

    • Pencirian Batu Reput di Negeri Perlis menggunakan XRD dan SEM 

      Mohd Nazry, Salleh; Khairul Nizar, Ismail; Kamarudin, Hussin; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali (Kolej Universiti Kejuruteraan Utara Malaysia, 2006-06-15)
      Pencirian batu reput yang diperolehi daripada pembekal Tasuh Kuari Sdn. Bhd. dilakukan dengan menggunakan Pembelauan Sinar-X (XRD) dan Mikroskop Imbasan Elektron dengan penganalisa spektrometer serakan tenaga sinar-x ...

    • The potential of mixing between ordinary portland cement and fly ash to produce the lightweight aggregate 

      Hamizi, Yahya; Khairul Nizar, Ismail; Norlia, Mohamad Ibrahim; Mokhzani Khair, Ishak; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In this present study, the lightweight aggregates (LWA) were produced from ordinary Portland cement (OPC) mixed with fly ash with three type of composition. The LWA is produced in granules shape with the diameter of the ...

    • Preliminary study on compressive strength of modified Polystyrene (MPS) as lightweight aggregate 

      Fetra Venny Riza, Z; Mohd Mustafa Al Bakri, Abdullah; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali; Mohammad Tamizi, Selimin (Universiti Malaysia Perlis, 2008-03-15)
      This research investigates the possibility of making polystyrene as lightweight aggregate. Low density is the advantage of polystyrene. Waste polystyrene foam is modified and sintered in the furnace at the temperatures ...

    • Pyrolysis of rice straw; Effect of reaction parameter on the product yields and compositions 

      Razi, Ahmad; Khairuddin, Md Isa; Khairul Nizar, Ismail; Khudzir, Ismail (Universiti Malaysia Pahang (UMP), 2009-12-07)
      Rice straw was pyrolysed in a fixed-bed reactor. The effect of pyrolysis temperature, heating rate and holding time on the yield of the products were investigated. Pyrolysis runs were performed using pyrolysis temperatures ...

    • Pyrolysis of rice straw; The effect of pyrolysis temperature and heating rate on the product yields 

      Razi, Ahmad; Khairuddin, Md Isa; Khairul Nizar, Ismail; Khudzir, Ismail; Maung Maung Soe (Universiti Kebangsaan Malaysia (UKM)Faculty of Engineering & Built Environment, 2009-10-20)
      Rice straw was pyrolysed in a fixed-bed reactor. The effect of pyrolysis temperature and heating rate on the yield of the products were investigated. Pyrolysis runs were performed using pyrolysis temperatures between 400 ...

    • Reaction dynamics of separation-enhanced steam reforming of methanol for hydrogen production 

      Ye Lwin; Saiful Azhar, Saad; Khairul Nizar, Ismail; Mohamed Zulkali, Mohamed Daud (Universiti Putra Malaysia (UPM) & Institution of Chemical Engineers, Malaysia, 2007-12-12)
      The theoretical performance of a multifunctional catalyst possessing an activity and selectivity for hydrogen production by steam methanol reforming and integrated sites for simultaneous and continuous removal of carbon ...

    • Recycling waste tire into concrete-rubber composite 

      Mokhzani Khair, Ishak; Khairul Nizar, Ismail; Kamarudin, Hussin; Wan Mohd Sabki, Wan Omar; Mohd Asri, Ab. Rahim; Umar, Kassim; Libren Francis, Doublin; Norfadhilah, Ibrahim (Universiti Kebangsaan Malaysia (UKM)Faculty of Engineering & Built Environment, 2009-10-20)
      This research is to recycle waste tire to a concrete-rubber. The objective of this research is to investigate the possibility of using rubber particles as a replacement for the natural aggregates in concrete. These ...

    • Reutilization of waste tire into concrete-rubber composite 

      Mokhzani Khair, Ishak; Khairul Nizar, Ismail; Wan Mohd Sabki, Wan Omar; Kamarudin, Hussin; Mohd Asri, Ab. Rahim; Umar, Kassim; Libren Francis, Doublin; Norfadhilah, Ibrahim (Universiti Tun Hussien Onn Malaysia (UTHM), 2009-12-14)
      This research is to reutilize waste tire to a concrete-rubber. The objective of this research is to investigate the possibility of using rubber particles as a replacement for the natural aggregates in concrete. These ...

    • Screening of bacteria usable in bioremediation of ammonium 

      Mohamad Ridzuan, Kamarudin; Mohd Noor, Ahmad; Amir Feisal Merican; Ali Yeon, Md Shakaff; Khairul Nizar, Ismail; Nurul Haniza, Mustapa (Universiti Malaysia Pahang (UMP), 2009-06-20)
      Bioremediation of ammonium is an important aspect of biological nutrient removal in wastewater treatment processes. However, due to process constraints, inhibiting compounds or more stringent discharge standards the ...

    • Stability of Perlis dolomite under various heating condition 

      Mohd Nazry, Salleh; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin; Farizul Hafiz, Kasim; Saiful Azhar, Saad; Suhardy, Daud (Universiti Teknologi Mara (UiTM), 2006-12-08)
      Dolomite is a yellowish colored rock that can be found abundantly in Perlis. The rock has been used traditionally either to cover the rural road before it is tarred or to normalize the soil before any crops is planted. ...

    • A study of clinker microstructure using scanning electron microscope 

      Mohd Sobri, Idris; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin; Khairul Nizar, Ismail (Malaysian Institute for Nuclear Technology Research (MINT), 2006-11-29)
      This paper presents a study of clinker microstructure using Scanning Electron Microscope with Energy Dispersive Spectrometer (SEM-EDS). Use of SEM-EDS allows measuring bulk phase abundance and surface areas of the phases, ...

    • A study of industrial water pollution at Kawasan Perindustrian Jejawi, Perlis 

      Khairul Nizar, Ismail; Juliana, Abdul Rahman (Universiti Malaysia PerlisSchool of Materials Engineering & School of Environmental Engineering, 2010-06-09)
      Hundred and ten water samples were collected for heavy metal and water quality analysis along Sungai Jejawi. Sampling was conducted four times over a period of a month, six times over a period of weekday and weekends ...

    • Study on thermal decomposition of Perlis dolomite by using DTA and XRD 

      Mohd Nazry, Salleh; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin; Farizul Hafiz, Kasim; Saiful Azhar, Saad; Suhardy, Daud (Proceeding of National Metallurgical Conference (NMC 2006), 2006)