| Summary: | Environmental problems become very conspicuous and complex and the social economy transforms to recycle economy from linear economy with the high development of social economy. In the 21st century, one of the primary mission that human facing is how to solve problems on ecological crisis, and realize the sustainable development of ecological environment and human society. This paper gets the methods to solve these problems through studying chemical pollution problems in recycling production of paper, including handling problems of reddish blue in waste paper, recycling utilization problems of short fibre pulp in white water, processing and recycling problems of deinking waste water and so on. These methods solved environmental problems in real life.
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