This paper reviews the 'current control strategies for removing the contaminants in wastepaper recycling operation. Methods for contaminant detection and measurement are also discussed.

本文论述了废纸回收利用过程中分高和控制杂质的最新措施，同时也讨论了杂质检测的方法。

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The Recycling of wastepaper is an effective way to resolve those problems that pulp and paper industry now is facing, such as shortage of raw materials, lacking of energy, pollution, et al.

废纸的回收利用是解决造纸工业面临的原料短缺、能源紧张和污染严重等三大问题的有效途径。

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