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《Chinese Journal of Environmental Engineering》 2007-01
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Study on treatment of Cu~(2+)-containing metallurgical wastewater with mixed adsorbent of water-granulated slag and rectorite

Wang Hukun~(1,2) Gong Wenqi~2 Wu Longhua~2(1.Department of Chemistry and Environmental Engineering,Hubei Normal University,Huangshi 435002;2.College of Resource and Environmental Engineering,Wuhan University of Technology,Wuhan 430070)  
The treatment of Cu~(2+)-containing metallurgical wastewater with water-granulated slag and rectorite as adsorbent has been studied.The experimental results show that under the conditions of natural pH,with the ratio of the watergranulated slag and rectorite of 3∶1,the amount of the adsorbent of 0.03 g/mL,the reaction time of 20 minutes,and the temperature of 25℃,the efficiency for the mixed adsorbent of water-granulated slag and rectorite to remove Cu~(2+) from metallurgical wastewater is 99.8%,the adsorbed amount of Cu~(2+) is(0.302 mg/g,)and the quality indexes of the wastewater after treatment conform with the first level of integrated wastewater discharge standard(GB8978-1996).The efficiency of Cu~(2+) removal with mixed adsorbent is better than with water-granulated slag or rectorite.
【Fund】: 国家“973”重点基础研究发展规划资助项目(2004CB619204);; 教育部科学技术研究重点资助项目(02052)
【CateGory Index】: X703
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