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- W4200328298 abstract "This study presents an improvement plan for the crushed sand manufacturing process (CSMP) through hazard assessment, utilization of CSMP waste, and process risk management. In Korea, the wet method has been applied to most CSMPs because of the technical aspects, production volume, and efficiency. To assess the harmfulness of wet CSMP waste, the analysis methods of leaching toxicity information on flocculants were investigated. Furthermore, to evaluate the risks of waste from CSMP due to its high moisture content, a fluidity test was conducted. The results indicated that there is no effect on the harmfulness of the target waste. However, it is difficult to guarantee unconditional safety because of the lack of detailed ecotoxicity information of the flocculant used for the washing process in the CSMPs. Finally, based on these results, the improvement plan of CSMPs was suggested. This plan includes the design operation guidelines to enable consistent process operation through standardized cleaning and dewatering process. In addition, the basic data with an effective management system of CSMP waste for increasing recycling was also suggested." @default.
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- W4200328298 date "2021-12-31" @default.
- W4200328298 modified "2023-09-24" @default.
- W4200328298 title "Improvement Plan of Crushed Sand Manufacturing Process: Waste Characteristics, Utilization and Process Risk Management" @default.
- W4200328298 doi "https://doi.org/10.9786/kswm.2021.38.6.493" @default.
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