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科技导报
|研究论文
2009
, 27
(0903) :
61
-66
超导磁分离在造纸厂污水净化中的应用
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陈显利1 ,焦雨红2 ,张浩3 ,徐向东3 ,龚领会3 ,李来风3
作者信息
1. 沈阳市自来水总公司2. 沈阳水务集团有限公司水业技术研发中心3. 中国科学院理化技术研究所
通讯作者:
李来风
Superconducting Magnetic Separation and Its Application in the Purification of Wastewater in Paper Factories
Affiliations
出版时间: 2009-02-13
文章导航
针对小型造纸厂污水处理问题，开展了超导磁分离技术研究。设计并研制出制冷机直接冷却的高温超导磁体，磁体中心磁场在直流运行状态下达到1.48 T，交流运行状态达3.92 T。利用该超导磁体对造纸厂废水进行了磁分离处理。实验中，预先在废水中加入经过表面等离子有机改性的铁磁性颗粒，并与污水中非磁性有害物质絮接，通过强磁场实现水中污染物的分离。实验结果表明，经磁分离处理的集水池废水COD值由起始的1 780 mg/L降到147 mg/L，净化效果良好。讨论了利用等离子体聚合薄膜制备具有强捕捉能力的磁性粒子工艺。
Traditional wastewater purifying methods are expensive and involve heavy facility investment, long time in treatment, and a requirement of large land area. In this paper, the purification of wastewater in small scale paper factories by using superconducting magnetic separation method is proposed. High Tc superconducting magnet cooled directly by cryocooler is designed. The central magnetic field can reach 1.48 Tesla and 3.92 Tesla in Direct Current (DC) and Alternating Current (AC) modes, respectively. In order to separate the nonmagnetic contaminants in the wastewater, the magnetic seeding particles modified by plasma polymerization technique were employed to realize the co-precipitation between contaminants and magnetic seeds. The results indicate that the Chemical Oxygen Demand (COD) of the wastewater can be reduced to 147 mg per liter after superconducting magnetic separation. The preparation of magnetic seeds by plasma polymerization is also discussed in detail.
陈显利;焦雨红;张浩;徐向东;龚领会;李来风.
超导磁分离在造纸厂污水净化中的应用.
科技导报,
2009
, 27
(0903)
: 61
-66
.
.
Superconducting Magnetic Separation and Its Application in the Purification of Wastewater in Paper Factories[J].
Science & Technology Review ,
2009
, 27
(0903)
: 61
-66
.
2009年第27卷第0903期
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文章信息
接收时间：2008-10-09
首发时间：2009-02-13
出版时间：2009-02-13
收稿日期：2008-10-09
修回日期：2009-01-20
https://castjournals.cast.org.cn/joweb/kjdb/CN/1242116917977219706
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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