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首页> 外文会议>The 22nd International Conference on Solid Waste Technology and Management(ICSW 2007) >Comparing methods for reclaiming ferrofluids used in materials separation
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Comparing methods for reclaiming ferrofluids used in materials separation

机译：回收材料分离中使用的铁磁流体的比较方法

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Ferrofluids can be used for materials separation. During this process losses of the valuable ferrofluids occur when the separated materials are washed. By reclaiming the fluids from the wash liquid, the costs of separation are reduced so that materials with low added value can be separated economically. This paper compares four methods for reclaiming ferrofluids. Small-scale tests were conducted on chemical precipitation, freeze crystallization, nanofiltration and evaporation. The currently feasible methods are nanofiltration and evaporation, so these are also economically compared. What method or combination of methods is economically and technically most attractive, will vary with site specific conditions. In general nanofiltration is found to be the economically most attractive option. These results present strong growth opportunities for separation by ferrofluids.
机译：铁磁流体可用于材料分离。在此过程中，当洗涤分离出的材料时，会损失有价值的铁磁流体。通过从洗涤液中回收流体，降低了分离成本，从而可以经济地分离出具有低附加值的材料。本文比较了四种回收铁磁流体的方法。对化学沉淀，冷冻结晶，纳米过滤和蒸发进行了小规模测试。目前可行的方法是纳米过滤和蒸发，因此也要进行经济比较。在经济和技术上最有吸引力的方法或方法组合将随特定地点的条件而变化。通常，发现纳滤是经济上最有吸引力的选择。这些结果为通过铁磁流体分离提供了强大的增长机会。

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