| 采用蒸发结晶技术处理含汞废水 |
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| 引用本文： | 杨超松,李永霞,陈建平. 采用蒸发结晶技术处理含汞废水[J]. 聚氯乙烯, 2012, 40(6): 32-34 |
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| 作者姓名： | 杨超松 李永霞 陈建平 |
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| 作者单位： | 1. 新疆华泰重化工有限责任公司,新疆鸟鲁木齐,830019
2. 新疆化学工业学校,新疆乌鲁木齐,830009 |
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| 摘 要： | 介绍了蒸发结晶技术在含汞废水处理上的应用情况,处理后的废水中全盐量下降97.5%,氯离子质量分数下降97%,汞脱除率在80%以上,可回用至氯乙烯工序。对于40万t/a聚氯乙烯装置,每年可减少外排含汞废水量12 000m3,具有良好的社会效益和经济效益。
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| 关 键 词： | 含汞废水 蒸发结晶 全盐量 废水利用 |
Mercury-containing wastewater treatment by evaporation-crystallization method |
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| YANG Chaosong,LI Yongxia,CHEN Jianping. Mercury-containing wastewater treatment by evaporation-crystallization method[J]. Polyvinyl Chloride, 2012, 40(6): 32-34 |
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| Authors: | YANG Chaosong LI Yongxia CHEN Jianping |
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| Affiliation: | 1. Xinjiang Huatai Heavy Chemical Co. , Ltd. , Urumqi 830019, China; 2. Xinjiang Chemical Industry School, Urumqi 830009, China) |
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| Abstract: | The application situation of evaporation-crystallization technology in the treatment of mer-＇ cury-containing wastewater was introduced. After the wastewater was treated by this technology, the total salt contents and chloride ion contents were lowered by 97.5% and 97% respectively, the removal rate of mercury was more than 80%, and the obtained water could be recycled to vinyl chloride production proce- dure. For 400 000 t/a PVC production plant, 12 000 m^3 mercury-containing wastewater efflux could be decreased per year, and the social effects and economic effects were better. |
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| Keywords: | Mercury-containing wastewater evaporation crystallization total salt content wastewater utilization |
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