Jenan.M, , Mahmood, , Areej.A.Jaralla, , Karim.H.Hassan, (2009). Recovery of the Components of Spent C18-HC Catalyst and Reuse Them to Prepare it. , 0(37), 373-386.
Jenan.M; Mahmood; Areej.A.Jaralla; Karim.H.Hassan. "Recovery of the Components of Spent C18-HC Catalyst and Reuse Them to Prepare it". , 0, 37, 2009, 373-386.
Jenan.M, , Mahmood, , Areej.A.Jaralla, , Karim.H.Hassan, (2009). 'Recovery of the Components of Spent C18-HC Catalyst and Reuse Them to Prepare it', , 0(37), pp. 373-386.
Jenan.M, , Mahmood, , Areej.A.Jaralla, , Karim.H.Hassan, Recovery of the Components of Spent C18-HC Catalyst and Reuse Them to Prepare it. , 2009; 0(37): 373-386.

Recovery of the Components of Spent C18-HC Catalyst and Reuse Them to Prepare it

Journal of Research Diyala humanity
Article 1, Volume 0, Issue 37, 2017, Pages 373-386
Authors
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Abstract
The components of C18-HC spent catalyst used for oxidation of CO to CO2 in urea fertilizer industry were recovered using acid treatment and sulfide precipitation technique at different pH values, they were converted to copper nitrate, zinc nitrate and aluminum hydroxide. The efficiency of extraction approached 89.9 % for copper and 88.6 % for zinc with the purities of copper nitrate is 99.2 % and zinc nitrate to be 99.5 %. A new catalyst was prepared again from these recovered materials. Its physical and chemical properties were also determined and the structure characterized by X-ray diffraction spectroscopy.
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