炭陶除氟吸附材料的研制

doi:10.11707/j.1001-7488.20110423

Scientia Silvae Sinicae ›› 2011, Vol. 47 ›› Issue (4): 147-151.doi: 10.11707/j.1001-7488.20110423

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Research on Carbon/Pottery Adsorption Composite for Removing Fluoride

Jin Hao^1,2, Tang Lirong¹, Zeng Qiaoling¹, Zheng Xinyu¹, Lin Guanfeng³, Huang Biao¹

1. College of Material Engineering,Fujian Agriculture and Forestry University Fuzhou 350002;2. Department of Architectural Engineering,Zhangzhou Institute of Technology Zhangzhou 363000;3. Fujian Academy of Forestry Fuzhou 350012

Received:2009-04-30 Revised:2009-07-13 Online:2011-04-25 Published:2011-04-25

Abstract

Abstract:

The carbon/pottery composite for removing fluoride is prepared from bone dust, bamboo power, clay by carbonization and activation process. Research on the effect of material proportion, heating rate, activation temperature and holding time for defluoridation capacity and the efficiency of defluoridation of carbon/pottery adsorption composite, and the characteristics of carbon/pottery composite have been studied by SEM and FTIR. It is found that, with heating rate, activation temperature and holding time increasing, defluoridation capacity and the efficiency of defluoridation of carbon/pottery adsorption composite tend to increase at first and then reduce. Meanwhile, physical adsorption and chemical adsorption occur when the carbon/pottery composite is used for removing fluoride. Therefore, a kind of synergistic effect appears, which improves the effect of carbon/pottery composite for removing fluoride. Under the optimized conditions, the defluoridation capacity of carbon/pottery adsorption composite is 2.214 mg ·g^-1, and the efficiency of defluoridation is 88.56%.

Key words: carbon/pottery composite, defluoridation, adsorption, synergistic effect

CLC Number:

TQ424

Jin Hao;Tang Lirong;Zeng Qiaoling;Zheng Xinyu;Lin Guanfeng;Huang Biao. Research on Carbon/Pottery Adsorption Composite for Removing Fluoride[J]. Scientia Silvae Sinicae, 2011, 47(4): 147-151.

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Research on Carbon/Pottery Adsorption Composite for Removing Fluoride

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