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造纸废水回用对水足迹的影响 |
Effect of Waste Water Reuse on the Water Footprint of the Paper Mill |
收稿日期: |
DOI:10.11980/j.issn.0254-508X.2014.02.010 |
关键词: 造纸废水 循环利用 砂滤器 水足迹 |
Key Words:waste water recycle & reuse sand filter water footprint |
基金项目:江苏省“333高层次人才培养工程”资助项目;国家自然基金项目资助(项目编号:31270614)。 |
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摘要:以造纸废水循环利用为研究对象,系统地分析了金东纸业造纸废水处理的两大系统,即外排废水处理系统和纸机封闭循环废水处理系统;同时以3#造纸机砂滤水为切入点,分析造纸废水内循环使用的系统。这两种系统的应用有效地降低了清水用量,从而减少造纸水足迹。 |
Abstract:In this paper, the reusing of waste water in the paper mill was studied, and the two important waste water treatment processes used in the mill were analyzed. Meanwhile, the internal recycling of the wastewater treated by sand filter in PM3 machine was introduced. Thanks to the application of the two treatment processes, fresh water consumption is absolutely reduced, and resulting the fall of the water footprint. |
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