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Article
Preparation, Characterization and Utilization of Polyacrylamid-Kaolin Composite in the Removal of Nickel Ions From Water

Authors: Mahmood M. Barbooti --- Raghad H. Hilal --- Balkees D. Al-Dabbagh
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2018 Volume: 36 Issue: 1 Part (C) Pages: 86-93
Publisher: University of Technology الجامعة التكنولوجية

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Abstract

A composite material of polymeric matrix Polyacrylamid (PAM) thatis reinforced by a certified clay mineral of the Iraqi kaolinite at several weightratios (10, 20, 30, 40 and 50%) was prepared by mixing the polymer watersolution with the clay followed by hand molding method. Some of themechanical properties of the prepared composite such as tensile strength,impact and hardness Shore A were studied to improve the mechanicalcapability to be as a sorbent for the removal of heavy metals from water.Theresults showed an improvement in the mechanical properties as the kaolincontent was increased. The powdered material was evaluated as a sorbent fornickel ions from aqueous solution using batch conditions. Experimental design(Box- Wilson) system was applied to determine the optimum workingconditions such as composite amount, pH and contact time. Results provedreasonable adsorption efficiency and relatively high adsorption capacity of thecomposite towards the Ni ions removal of from water. The optimum conditionswere sorbent amount of 10.0 g/l, pH = 7, and contact time of 100 min


Article
Evaluation of Water Treatment Residue as a Sorption Medium and its Application to Control Phosphate Level in Water

Authors: Mahmood M. Barbooti --- Shaymaa S. Hasan, --- Mustafa Jassim
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2019 Volume: 37 Issue: 1 Part (c) special Pages: 126-131
Publisher: University of Technology الجامعة التكنولوجية

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Abstract

Abstract- Wastewater treatment residual material, WTR, from a local drinkingwater facility in Baghdad, was evaluated as a potential medium for the removal ofsome unwanted species from water. The material was first characterized bychemical composition, X-ray diffraction and infrared spectral analysis prior to itsuse as an adsorbent. The x-ray revealed that the material is a calcium based watertreatment residue mixed with silica and impurities of oxides like MgO and Fe2O3.The adsorption characteristics of the material were evaluated by studying theadsorption of methylene blue. The cation exchange capacity and the surface areahad values of 10.5 mmol per100 g and 87.5 m2.g-1, respectively. The sorptioncapacity of the material was applied to control the phosphate concentration inwater. Time and adsorbent amount have played significant roles in the removal ofphosphate from water. An adsorption capacity had a value of 1.6 mg PO43-.g-1 ofWTR

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