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Research on Recycling Various Wastes in Papermaking as Eco-Friendly Slurry

Author

Listed:
  • Teng Yi

    (Department of Architecture, National Cheng Kung University, 701 No. 1, East District, Tainan 701401, Taiwan)

  • Shuenn-Ren Liou

    (Department of Architecture, National Cheng Kung University, 701 No. 1, East District, Tainan 701401, Taiwan)

  • Wen-Yih Kuo

    (Department of Architecture, National Cheng Kung University, 701 No. 1, East District, Tainan 701401, Taiwan)

Abstract

Waste recycling has always been a priority in the paper industry. In this study, the potential of translating various wastes in papermaking into building materials was separately evaluated. For the first time, the improvement of flexibility and sample texture after translating wastes into cementitious materials was analyzed. The results showed that 20% of the waste in alkali-activated slag slurry is the best proportion for papermaking. In addition, paper sludge and wood chips significantly improved the slurry flexibility while lime mud and bottom ash did not have this effect. Considering the effect of adding wood chips on the optimization of the sample texture, the most appropriate proportion of the paper sludge was 5% when the wood chips in the mixture were 15%. The most suitable alkali equivalent was 6%, with a silicate modulus of 0.9. According to the experimental results, wastes in papermaking had great potential for exploitation and application as circular materials.

Suggested Citation

  • Teng Yi & Shuenn-Ren Liou & Wen-Yih Kuo, 2022. "Research on Recycling Various Wastes in Papermaking as Eco-Friendly Slurry," Sustainability, MDPI, vol. 14(20), pages 1-11, October.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:20:p:13536-:d:947583
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