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| Preparation and characterization of eleostearic calcium silicate and its application in the treatment of wastewater containing gallic acid |
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| DOI： |
| KeyWord:eleostearic acid calcium silicate gallic acid wastewater treatment |
| FundProject:国家重点研发计划（2016YFD0600806）；湖南省教育厅重点项目（17A174） |
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| Abstract: |
| Eleostearic acid and calcium silicate were used as materials, and the hydrophobic eleostearic calcium silicate (ES) with the potential to treat phenols pollutants in wastewater was prepared by chemical coating method, and the structure of ES was characterized. Furthermore, ES was used as the adsorbent, and the adsorption effect of ES on gallic acid in wastewater was investigated. The results showed that the surface of ES prepared was loose and hydrophobic, and it had a strong adsorption capacity on gallic acid in wastewater. The optimal conditions of treating the wastewater with ES were obtained as follows: ratio of material to liquid 1∶ 20, adsorption time 4 h, pH 11. Under the optimal conditions, the adsorption rate of ES on gallic acid in wastewater was 92.26%. |
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