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Abstract
AbstractIn this study, a procedure for producing calcium carbonate whisker through yellow phosphorus slag carbonation without adding any crystal control agents was proposed. The influence of process parameters on the crystal phase and morphology of the product was discussed. The content of aragonite in the product was more than 90% under optimal conditions. The whiteness of the product was 97.6%. The diameter of a single particle was about 1.5–3 μm, and the length of a single particle was about 8–40 μm. Various polymorphs and morphologies of CaCO3 could be formed by adjusting the production conditions. The by-products produced during the whole preparation process could also be reused. The whole preparation process of fibrous aragonite from yellow phosphorus slag without using any chemical additives was also proposed. These indicated that the production strategy had a good application prospect.
Highlights
The properties of materials are determined by their structure, and the crystal type and the morphology are the important factors of materials’
The structure of the product that plays a crucial role in the preparation process was investigated
The microscopic morphology of the product was granular, and there were some pores on the surface of the reaction product
Summary
Because of its unique physical and chemical properties, precipitated calcium carbonate is widely used in chemicalEducation for Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Mianyang621010, China; Sichuan Engineering Lab of Non-Metallic MineralPowder Modification and High-Value Utilization, SouthwestQiuju Chen, Tongjiang Peng, Hongjuan Sun: Key Laboratory of Ministry of Education for Solid Waste Treatment and ResourceRecycle, Southwest University of Science and Technology, Mianyang 621010, China; Sichuan Engineering Lab of Non-MetallicMineral Powder Modification and High-Value Utilization, SouthwestUniversity of Science and Technology, Mianyang 621010, China License.[1,2,3], food [4], and pharmaceutical industries [5] and in other fields [6,7]. Because of its unique physical and chemical properties, precipitated calcium carbonate is widely used in chemical. Education for Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Mianyang. 621010, China; Sichuan Engineering Lab of Non-Metallic Mineral. Southwest University of Science and Technology, Mianyang 621010, China; Sichuan Engineering Lab of Non-Metallic. Mineral Powder Modification and High-Value Utilization, Southwest. University of Science and Technology, Mianyang 621010, China License. The properties of materials are determined by their structure, and the crystal type and the morphology are the important factors of materials’. Carbon materials with different polymorphs and morphologies may show different properties [8]. The structure of the product that plays a crucial role in the preparation process was investigated
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