Synthesis and Arsenic Removal on Ferruginous Manganese Ore Composite Materials

Abstract:

Ferrum manganese composite materials (1-3μm) had been successfully synthesized by low-cost ferruginous manganese ore in wet granulation to treat the arsenic wastewater effectively. The experiment showed when the cement content was 10%, the amount of saw dust was 5% and roasting temperature was 250°C, the composite materials was able to meet the demand of the particles strength and the removal rates of As(Ⅲ) and As(Ⅴ) were up to 85.25% and 80.13% respectively. The analysis for the materials of adsorption effect factors indicated as pH value increased, the removal rate reduced. The temperature was in an opposite way. Within 0-40min, the adsorption of arsenic became better and better. After 60min, the process basically reached the adsorption equilibrium. In addition, the removal rate also reduced following with the increasing dosing quantity of SO42- and HPO42-. Especially the HPO42- influenced it heavily. Therefore, it was important to control the content of HPO42- for the arsenic removal.

• Periodical: Applied Mechanics and Materials (Volumes 209-211)
• Pages: 2058-2062
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.209-211.2058
• Online since: October 2012
• Authors: Yong Bing Huang, Jing Dong, Xian Juan Li, Li Li Wang, Ye Li, Shu Xin Tu
• Keywords: Adsorption, Arsenic Removal, Ferruginous Manganese Ore, Granulation

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