With the nervous aggravation of the raw materials and energy shortage problem, the retrieval and utilization of secondaryfiber become important day by day.
随着造纸原料紧张、能源短缺等问题的加剧，二次纤维的回用变得越来越重要。
2
Stickies of waste paper in the process of secondaryfiber were introduced. The assortment and measurement of stickies were shown in emphasis, it is active to recycle waste paper.
The research content included the renewal of secondary fiber's activity, the effective removal of gluey materials and the bleaching of high-kappa number pulp made of secondaryfiber.