Title: New Technology of Using the Recovered Zinc to Prepare the Zinc Oxide Body
Abstract: In this paper,the zinc which is recycled in the zinc catalyst,was used to prepare zinc oxide body.Firstly,leaching the zinc catalyst by ammonium chloride,the zinc chloride solution was obtained by filtration;ammonium bicarbonate was added to the zinc chloride solution,the white precipitate was obtained by filtration,obtained zinc oxide body was calcined to be filter cake.single factor experiments to determine the preparation of zinc oxide body gave out the suitable conditions: extract temperature is 60 ℃;react time is 2h;the ratio of raw materials is n(Zn2+)∶n(NH4+)=1∶2.2;ratio of ammonium bicarbonate added to ingredients isn(Zn2+)∶n(NH4HCO3)=1∶2.3;react time is 0.5 h,intermediate is obtained by filtration.The temperature of calcining the intermediate products is 300 ℃,calcine time is 1h.XRD was characterized by relatively small impurity peak,consistent with the standard card parameters,the crystal structure is better.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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