Analysis of energy saving and emission reduction of secondary fiber mill based on data mining

    Song Hu Affiliation
    ; Jigeng Li Affiliation
    ; Mengna Hong Affiliation
    ; Yi Man Affiliation


Waste paper recycling is an important way to realize the environmental protection development of the papermaking industry. The quality of the pulp will affect the pulp sales of the secondary fiber paper mills. The waste paper pulp can be adjusted by controlling the pulping process working conditions, but the working conditions of the waste paper pulping process have too many parameters. And the parameters are coupled with each other, it is difficult to control. In order to find the best working conditions and improve the quality of the pulp, this study uses the association rules algorithm to optimize the parameters for the waste paper pulping process. These parameters are power of refiner, waste paper concentration of refiner, the volume of slurry that enters deinked process, deinking agent amount, deinking time, deinking temperature, bleaching agent amount, bleaching time, and bleaching temperature. The test results show that the qualified rate of the pulp produced under the improved working conditions is 92.56%, an increase of 6.93%, and the average electricity consumption per ton of pulp is reduced by 5.76 kWh/t. In addition to potential economic benefits, this method can reduce carbon emissions.

Keyword : environmental sustainability, wastewater management, waste management technologies

How to Cite
Hu, S., Li, J., Hong, M., & Man, Y. (2021). Analysis of energy saving and emission reduction of secondary fiber mill based on data mining. Journal of Environmental Engineering and Landscape Management, 29(2), 85-93.
Published in Issue
May 13, 2021
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