An-Najah National University

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  • Wednesday, May 17, 2006
  • Solid olive waste in environmental cleanup: Oil recovery and carbon production for water purification
  • Published at:Not Found
  • Journal of Environmental Management 84 (2007) 8392

    Amer El-Hamouza, Hikmat S. Hilalb*, Nashaat Nassara, Zahi Mardawia

    aDepartment of Chemical Engineering, An-Najah National University, P.O. Box 7, Nablus, Palestine

    bDepartment of Chemistry, An-Najah National University, P.O. Box 7, Nablus, Palestine

    Received 3 September 2005; received in revised form 12 May 2006; accepted 17 May 2006

    Available online 10 July 2006

    Abstract

    A potentially-economic three-fold strategy, to use solid olive wastes in water purification, is presented. Firstly, oil remaining in solid waste (higher than 5% of waste) was recovered by the Soxhlet extraction technique, which can be useful for the soap industry. Secondly, the remaining solid was processed to yield relatively high-surface area active carbon (AC). Thirdly, the resulting carbon was employed to reversibly adsorb chromate ions from water, aiming to establish a water purification process with reusable AC. The technique used here enabled oil recovery together with the production of a clean solid, suitable for making AC. This process also has the advantage of low production cost.

     
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Hikmat S. Hilal
Organometallics (organic and inorganic), Materials, Catalysis, Semiconductors, Photoelectro-chemistry
 
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