| 用热电厂碱性废水脱除循环冷却水中Ca^2＋，Mg^2＋的研究 |
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| 引用本文： | 王光辉,强敏,王光华,何选明,刘智平,魏松波,杜功柳.用热电厂碱性废水脱除循环冷却水中Ca^2＋，Mg^2＋的研究[J].武汉科技大学学报(自然科学版),2001,24(2):138-140,144. |
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| 作者姓名： | 王光辉 强敏 王光华 何选明 刘智平 魏松波 杜功柳 |
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| 作者单位： | 1. 武汉科技大学,
2. 武汉钢铁(集团)公司, |
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| 摘 要： | 考察用热电厂碱性废水作为循环冷却水或补充水处理药剂的作用，研究了该废水中的碱性物质与循环水中Ca^2 、Mg^2 两种主要离子结合的规律。结果表明：热电厂碱性废水含有大量的氢氧化钙，将其配入循环水中，能与其中的重碳酸钙和重碳酸镁反应，生成难溶的碳酸钙和氢氧化镁沉淀物，降低了Ca^2 ,Mg^2 两种主要离子的含量。如果再配入一定数量的其他碱性废水，则循环冷却水软化效果更为明显。
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| 关 键 词： | 热电厂 碱性废水 循环水 镁 离子脱除 水处理药剂 软化处理 |
Experimental Study on Ca~(2 ) and Mg~(2 ) Removal from Circulating Water with Alkaline Wastewater from Thermal Power Plant |
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| WANG Guang hui ,QIANG Min ,WANG Guang hua ,HE Xuan ming ,LIU Zhi ping ,WEI Song bo ,DU Gong liu.Experimental Study on Ca~(2 ) and Mg~(2 ) Removal from Circulating Water with Alkaline Wastewater from Thermal Power Plant[J].Journal of Wuhan University of Science and Technology(Natural Science Edition),2001,24(2):138-140,144. |
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| Authors: | WANG Guang hui QIANG Min WANG Guang hua HE Xuan ming LIU Zhi ping WEI Song bo DU Gong liu |
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| Institution: | WANG Guang hui 1,QIANG Min 1,WANG Guang hua 1,HE Xuan ming 1,LIU Zhi ping 2,WEI Song bo 2,DU Gong liu 2 |
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| Abstract: | The actions of alkaline wastewater from thermal power plant as treatment agent for circulating or supplemental water are observed and the association of calcium and magnesium bicarbonates in circulating water and alkaline compounds in the wastewater is investigated.It is shown that there is a certain amount of calcium hydroxide in the wastewater,and that the treatment of circulating or supplemental water with the wastewater results in the formation of insoluble compounds CaCO 3 and Mg(OH) 2 which pricipitate out and are removed from water.The results also show that other alkaline wastewater from coking plant added as a promoter significantly enhances the softening of water. |
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| Keywords: | thermal power plant alkalescent wastewater circulating water Ca~(2 ) and Mg~( 2 ) removal |
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