Browsing IEM Journal by Title

Now showing items 238-257 of 310

    • Reactions of used motor oil and residual oil using mesoporous MoAI₂O₃ catalyst 

      Yee, Looi Phaik; Abdul Rahman, Mohamed; Thian, Tye Ching (The Institution of Engineers, Malaysia (IEM), 2013-06)
      In the present study, mesoporous Mo-based catalysts of different pore size ranges were synthesized and investigated for its hydrocracking activity. Catalyst pore size has been considered a property affecting the_mass ...

    • Reinforced concrete strength at slab and column intersection 

      Siao, Wen Bin, Ir. (The Institution of Engineers, Malaysia (IEM), 2017-12)
      This paper proposes a method modified from that as first suggested by Siao1 to determine the effect on column strength taking into consideration the effect of confinement by the surrounding slab. Previous test results2-4 ...

    • Remediation of Heavy Metal Contaminated Soil by Using Chemical Stabilization 

      Yin, Chun Yang; Md Ghazaly, Shaaban; Hilmi, Mahmud (The Institution of Engineers, Malaysia, 2004-03)
      The effectiveness of ordinary portland cement (OPC) in the immobilization of heavy-metal contaminated soil was investigated in this study. Heavy metal contaminated soil was collected from a scrap metal yard within the ...

    • Removal of E.Coli and turbidity using riverbank filtration technique -RBF- for riverside alluvial soil in Malaysia 

      Mohd Nordin, Adlan; Miskiah Fadzilah, Ghazali; Mohd Remy, Rozainy (The Institution of Engineers, Malaysia (IEM), 2016-06)
      Riverbank filtration (RBF) is an efficient and low-cost natural alternative filtration technology for water supply application. In this method, the surface water contaminants are removed or degraded as the infiltrating ...

    • Resilient modulus of Malaysian base and subbase pavement materials 

      Ahmad Kamil, Arshad; Mohd. Yusof, Abd. Rahman, Dr. (The Institution of Engineers, Malaysia, 2008-06)
      Pavement design approach is shifting towards analytical or mechanistic-based procedures. Resilient modulus is a fundamental parameter used in the procedure and a study was carried out to characterise the parameter for base ...

    • Review of active power filter technologies 

      Zainal, Salam, Prof. Dr.; Tan, Perng Cheng; Awang, Jusoh, Dr. (The Institution of Engineers, Malaysia, 2007-06)
      Active power filters (APF), are increasingly used to mitigate harmonics in utility power lines. Compared to the more established method such as the static var compensator or passive filtering, APF are relatively new in ...

    • Review of fire-related assessment damage of steel off shore structures 

      Zulkipli, Henry; Amran, Ayob (The Institution of Engineers, Malaysia (IEM), 2021)
      Fixed offshore structures are continuously exposed to risk of hydrocarbon fire or cellulosic fire. Hydrocarbon fire generally causes more detrimental effect than cellulosic fire because the rapid increment of temperature ...

    • A review of nanoporous materials derived from Covalent Organic Frameworks 

      Muhammad Afiq Aizuddin, Musa; Chun-Yang, Yin; Savory, Robert Mikhail (The Institution of Engineers, Malaysia, 2010-09)
      The implementation of nanoporous materials is becoming increasingly more prevalent due to their unique characteristics, which make them highly applicable in a multitude of different functionalities. Covalent Organic ...

    • A review of natural products from plants using carbon dioxide supercritical fluid extraction 

      Lam, Chew-Theng; Sin, Lee Tin; Bee, Soo-Tueen; Siwayanan, Parthiban (The Institution of Engineers, Malaysia (IEM), 2020)
      Supercritical fluid extraction (SFE) is the most effective and efficient way to extract valuable constituents from plants. SFE is the process of separating one component (the extractant) from another (the matrix) using ...

    • A review of the characteristic features of supervisory and distributed control architecture and its implementation scenarios 

      Sujit, Kumar Bag, Dr. (The Institution of Engineers, Malaysia, 2007-12)
      The paper presents the SCADA architecture, their interface to process hardware and its applications. The characteristics of SCADA are reviewed and salient features are illustrated. The development opportunity and application ...

    • A review on concrete hollow block walls: materials and mechanical properties 

      Ayagi, Kabiru Musa; Badorul Hisham, Abu Bakar; Teh Sabariah, Abd Manan (The Institution of Engineers, Malaysia (IEM), 2022)
      Concrete hollow blocks are commonly used in building construction, particularly for multi-story buildings, factories, and residential structures. Hollow blocks are more practical because of their lightweight, and the most ...

    • A review on the design criteria of biological aerated filter for COD, ammonia and manganese removal in drinking water treatment 

      Hassimi, Abu Hasan; Siti Rozaimah, Sheikh Abdullah; Siti Kartom, Kamarudin; Noorhisham Tan, Kofli (The Institution of Engineers, Malaysia, 2009-12)
      The design criteria of biological aerated filter (BAF) were reviewed in order to design an effective process for organic and inorganic contaminants removal in drinking water, particularly, COD and ammonia removal. The ...

    • Rheological properties of SS316l MIM feedstock prepared with different particle sizes and powder loadings 

      Sri Yulis, M. Amin; Khairur Rijal, Jamaludin; Norhamidi, Muhamad, Assoc. Prof. Dr. (The Institution of Engineers, Malaysia, 2009-06)
      Rheological study has been performed experimentally to evaluate the influence of different particle sizes and powder loadings to the rheological properties of SS316L MIM feedstock. The effects of different particle size, ...

    • Rice irrigation scheduling incorporating stochastic rainfall 

      Lee, Teang Shui; Md. Aminul Haque (The Institution of Engineers, Malaysia, 2004-09)
      An irrigation-scheduling program has been developed to increase irrigation efficiency in a large-scale rice irrigation project in Malaysia. The study focused on predicting daily irrigation deliveries for the main season ...

    • Role of senior management in TQM implementation in Malaysian small and medium enterprises 

      Baba, Md. Deros; Mohd Nizam, Ab. Rahman, Dr.; Jaharah, A. Ghani; Dzuraidah, Abd. Wahab; Mohd. Hazri, Hashim; Nor Kamaliana, Khamis (The Institution of Engineers, Malaysia, 2009-09)
      During the last two decades, quality had become a very important issue in many large organisations for both industrial and service sectors. They regard quality as a formidable weapon in addressing business competition and ...

    • Runoff quality index for area under maize cultivation 

      Rusnam; M. S. M, Amin; Azni, Idris; Lee, T. S. (The Institution of Engineers, Malaysia, 2010-12)
      Land development activities contribute to water quality impairment. The resulting runoff from rainfall from different land use areas carries a wide range of pollutants that find their ways to the surface and ground waters. ...

    • Screening alternative chemical routes based on inherent chemical process properties data: Methyl methacrylate case study 

      Mimi Haryani, Hassim; Mohamad Wijayanuddin, Ali, Dr. (The Institution of Engineers, Malaysia, 2009-12)
      In 1988 a campaign called Responsible Care was initiated as a response to the adverse publicity of the Bhopal disaster. The initiative commits chemical industries to improve safety, health, and environmental (SHE) performance. ...

    • Seberang Perai rice scheme irrigation water quality assessment 

      M. A., Haque; Huang, Y. F.; Lee, T. S. (The Institution of Engineers, Malaysia, 2010-12)
      Rivers are the main sources of water for agricultural purposes in Malaysia. The Seberang Perai Rice Irrigation Scheme in the state of Penang is one of the eight main rice growing areas in Malaysia. The scheme consists of ...

    • Sediment model for natural and man-made channels using general regression neural network 

      Junaidah, Ariffin; Nurashikin, Ahmad Kamal; Muhamad Syahreen, Sa’adon; Mohd Nasir, Taib; Suhaimi, Abdul-Talib; Aminuddin, Abd-Ghani; Nor Azazi, Zakaria; Ahmad Shukri, Yahaya (The Institution of Engineers, Malaysia, 2008-09)
      This paper presents a new sediment transport model using general regression neural network (GRNN) that are applicable for both natural and man-made channels. GRNN is a supervised network that trains quickly sparse data ...

    • Seeking the code of the ground 

      Simpson, Brian (The Institution of Engineers, Malaysia (IEM), 2016-06)
      This paper explores three topics that constantly challenge geotechnical engineers: deformation, water and safety. More specifically, these topics involve understanding and predicting deformation, designing safely when water ...