Civil Engineering Faculty Publications and Presentations
Document Type
Article
Publication Date
4-2025
Abstract
The pulp and paper industry has grown and created tremendous volumes of byproducts (e.g., fly ash) via combustion process. Unfortunately, most of them are being landfilled; in the meantime, environmental regulations restrict the disposal in landfill because of high disposal cost and reduced land due to urbanization. Therefore, the pulp and paper industries urgently seek for its beneficial reuse and one of the most cost-effective applications is a building and construction sector, particularly its reuse as geomaterials such as stabilizing soils. This paper provides a comprehensive review of the beneficial use of the paper sludge ash (PSA) in geotechnical engineering applications. Specifically, the paper explored the state-of-the-art knowledge in the areas of physical, chemical, and mineralogical properties of PSA, geotechnical engineering properties (e.g., strength, stiffness, shear strength parameters, etc.) and field applications of the PSA. In addition, the paper looks into geo-environmental applications such as PSA' s water absorption and retention performance and its performance as adsorbent for environmental contaminants.
Recommended Citation
Park, Kyungwon, Hoyoung Lee, Junwoo Shin, Byounghooi Cho, Jinwoo An, Jiannan Chen, and Boo Hyun Nam. "Utilization of paper sludge ash in geotechnical engineering–Review." Geomechanics and Engineering 41, no. 2 (2025): 307-318. https://doi.org/10.12989/gae.2025.41.2.307
Publication Title
Geomechanics and Engineering
DOI
10.12989/gae.2025.41.2.307
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