International Journal of Science, Technology and Society

Volume 2, Issue 5, September 2014

  • Water Hardness Removal by Coconut Shell Activated Carbon

    Cecilia Rolence, Revocatus Lazaro Machunda, Karoli Nicholas Njau

    Issue: Volume 2, Issue 5, September 2014
    Pages: 97-102
    Received: 08 August 2014
    Accepted: 23 August 2014
    Published: 30 August 2014
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    Abstract: The present study reports the water softening by adsorption of hardness ions onto Coconut Shell Activated Carbons (CSAC). Characterization of CSAC was identified by FT-IR and SEM techniques. Batch experiments were carried out to determine the effect of various adsorbent factors such as adsorbent dose, initial pH, contact time, and temperature, on t... Show More
  • Hydrogeochemical Evaluation of Groundwater in Ibillo, Akoko-Edo Local Government Area, Edo State Nigeria

    Olaniran Emmanuel, Aluko, Williams Ogbevire, Emofurieta

    Issue: Volume 2, Issue 5, September 2014
    Pages: 103-108
    Received: 13 August 2014
    Accepted: 26 August 2014
    Published: 20 September 2014
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    Abstract: Ibillo town, located in Edo State, Southsouth Nigeria, is an important agricultural and commercial center. In recent years, rapid development has created an increase in demand for groundwater and frequently facing water scarcity as well as quality problems. Hydrogeochemical evaluations of ionic abundance in groundwater systems in Ibillo was conduct... Show More
  • An Approach for Eliminating Restrictions on the Synthesis of Quality Classifiers of Fruits and Vegetables

    Radoslava Nikolova Gabrova, Lena Filipova Kostadinova-Georgieva

    Issue: Volume 2, Issue 5, September 2014
    Pages: 109-114
    Received: 22 August 2014
    Accepted: 30 August 2014
    Published: 20 September 2014
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    Abstract: Synthesis of classifiers of agricultural products by quality is related with two main tasks –selection symptoms for object description in new space and choice of method for pattern recognition for objects separation in quality classes. A special feature of agricultural products as objects of classification is the different size of their primary des... Show More
  • Use of Activated Red Clay Soil from Kiteto District, Tanzania, as a Remedial Method for High Fluoride Levels in Drinking Water

    Othman Chande Othman, Joseph Yoeza Naimani Philip, Mihayo Sahani Nkinda

    Issue: Volume 2, Issue 5, September 2014
    Pages: 115-120
    Received: 22 August 2014
    Accepted: 01 September 2014
    Published: 20 September 2014
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    Abstract: The fluoride levels in the water samples were determined potentiometrically using a fluoride ion selective electrode. Different experiments on remediation of fluoride containing water with activated clay soil were carried out. Studies on effect of calcination temperature on activation of clay, minimum amount of calcinated clay soil giving optimum d... Show More
  • Theoretical Investigation of Friction Forces between Vane Tip and Cam-Ring in Oil Vane Pumps

    Mohamed Elashmawy

    Issue: Volume 2, Issue 5, September 2014
    Pages: 121-128
    Received: 19 August 2014
    Accepted: 01 September 2014
    Published: 20 September 2014
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    Abstract: Oil type used for oil vane pumps is an essential element affecting its performance. Trying to understand oil type effect and proper oil type selection will lead to significant enhancement of oil pump performance and increase its life time. In order to accomplish this task, a simple thermo-elasto-hydrodynamic lubrication (TEHL) model was used to cal... Show More
  • 3D Printer Filament Length Monitor

    Sharmila Borah

    Issue: Volume 2, Issue 5, September 2014
    Pages: 129-132
    Received: 20 August 2014
    Accepted: 01 September 2014
    Published: 20 September 2014
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    Abstract: There have been many technological innovations. But only selective have been as revolutionary as 3D printer. It enables consumers to follow their own acquisition strategy. 3D printers has not only immersed into industrial design, footwear, engineering and construction, education but to medical application also. Although 3D printer is a great techno... Show More
  • Multi-Response Ergonomic Analysis of Middle Age Group CNC Machine Operators

    Imtiaz Ali Khan

    Issue: Volume 2, Issue 5, September 2014
    Pages: 133-151
    Received: 28 August 2014
    Accepted: 15 September 2014
    Published: 30 September 2014
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    Abstract: This work is aimed on exploiting the performance in a human-CNC machine interface (HCMI) environment. Here load cell based developed system is capable of measuring cognitive and motor action responses simultaneously. Performance measurement system designed may be replicated for other fields where systems are operated through control panels and also... Show More
  • An Experimental Investigation of Heat Transfer of Free Convection on Triangular Fins in Order to Optimize the Arrangement of Fins

    Hamid Reza Goshayeshi, Reza Vafa Toroghi

    Issue: Volume 2, Issue 5, September 2014
    Pages: 152-160
    Received: 05 September 2014
    Accepted: 16 September 2014
    Published: 30 September 2014
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    Abstract: In this study, the effect of free convection heat transfer on a vertical surface on which the triangular fins are vertically placed has been investigated numerically and experimentally. In order to numerically solve the system of governing equations, the finite volume method has been used, and the analysis has been conducted by FLUENT software. Fre... Show More
  • Development and Performance Evaluation of a Maize Roaster

    Ilori Titus Adeyinka, Raji Abuduganiyu Olayinka, Adejumo Akinfoye Oyime, Kilanko Oluwaseun

    Issue: Volume 2, Issue 5, September 2014
    Pages: 161-164
    Received: 02 September 2014
    Accepted: 17 September 2014
    Published: 10 October 2014
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    Abstract: The economic situation in most developing countries have left farmers and processors operating at small scale, hence the use of automated and electric power driven equipment is limited to the few large scale processors. A maize roaster with treadle drive blower was developed, by calculating to specification each machine element, using locally sourc... Show More