Hydrophobization of calcite by wet method using stearic acid
Authors
Mihajlović, SlavicaĐorđević, Nataša
Kašić, Vladan
Matijašević, Srđan
Contributors
Vlahović, MilicaConference object (Published version)
Metadata
Show full item recordAbstract
In this paper, the results of the modification of calcite with stearic acid using the wet method are presented. In the experiments, natural limestone with a high content of calcite (greater than 95 %) was used as the starting material. The calcite surface was modified with different amounts of stearic acid - 1, 2, 3 and 4 %. The products were haracterized by thermal analysis (DTA/TGA), polarization microscopy, IR analysis and by the evaluation of a floating test. The
results of the floating test showed that hydrophobicity of the calcite surface increased with increasing the amount of stearic acid on the calcite surface and that the hydrophobicity reached
over 99 % when the concentration of stearic acid was 2 %. Thermal analysis showed that at initial concentrations of stearic acid of 2 %, surfactant molecules are chemisorbed at calcite surface.
Keywords:
calcite / stearic acid / wet method / hydrophobicitySource:
11th International Conference on Renewable Electrical Power Sources (ICREPS) 2023, 2023, 479-485Publisher:
- Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources
- Belgrade : Society for Renewable Electrical Power Sources
Funding / projects:
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200023 (Institute of Technology of Nuclear and Other Mineral Row Materials - ITNMS, Belgrade) (RS-MESTD-inst-2020-200023)
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Institution/Community
Institut za tehnologiju nuklearnih i drugih mineralnih sirovinaTY - CONF AU - Mihajlović, Slavica AU - Đorđević, Nataša AU - Kašić, Vladan AU - Matijašević, Srđan PY - 2023 UR - https://ritnms.itnms.ac.rs/handle/123456789/1178 AB - In this paper, the results of the modification of calcite with stearic acid using the wet method are presented. In the experiments, natural limestone with a high content of calcite (greater than 95 %) was used as the starting material. The calcite surface was modified with different amounts of stearic acid - 1, 2, 3 and 4 %. The products were haracterized by thermal analysis (DTA/TGA), polarization microscopy, IR analysis and by the evaluation of a floating test. The results of the floating test showed that hydrophobicity of the calcite surface increased with increasing the amount of stearic acid on the calcite surface and that the hydrophobicity reached over 99 % when the concentration of stearic acid was 2 %. Thermal analysis showed that at initial concentrations of stearic acid of 2 %, surfactant molecules are chemisorbed at calcite surface. PB - Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources PB - Belgrade : Society for Renewable Electrical Power Sources C3 - 11th International Conference on Renewable Electrical Power Sources (ICREPS) 2023 T1 - Hydrophobization of calcite by wet method using stearic acid EP - 485 SP - 479 ER -
@conference{ author = "Mihajlović, Slavica and Đorđević, Nataša and Kašić, Vladan and Matijašević, Srđan", year = "2023", abstract = "In this paper, the results of the modification of calcite with stearic acid using the wet method are presented. In the experiments, natural limestone with a high content of calcite (greater than 95 %) was used as the starting material. The calcite surface was modified with different amounts of stearic acid - 1, 2, 3 and 4 %. The products were haracterized by thermal analysis (DTA/TGA), polarization microscopy, IR analysis and by the evaluation of a floating test. The results of the floating test showed that hydrophobicity of the calcite surface increased with increasing the amount of stearic acid on the calcite surface and that the hydrophobicity reached over 99 % when the concentration of stearic acid was 2 %. Thermal analysis showed that at initial concentrations of stearic acid of 2 %, surfactant molecules are chemisorbed at calcite surface.", publisher = "Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources, Belgrade : Society for Renewable Electrical Power Sources", journal = "11th International Conference on Renewable Electrical Power Sources (ICREPS) 2023", title = "Hydrophobization of calcite by wet method using stearic acid", pages = "485-479" }
Mihajlović, S., Đorđević, N., Kašić, V.,& Matijašević, S.. (2023). Hydrophobization of calcite by wet method using stearic acid. in 11th International Conference on Renewable Electrical Power Sources (ICREPS) 2023 Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources., 479-485.
Mihajlović S, Đorđević N, Kašić V, Matijašević S. Hydrophobization of calcite by wet method using stearic acid. in 11th International Conference on Renewable Electrical Power Sources (ICREPS) 2023. 2023;:479-485..
Mihajlović, Slavica, Đorđević, Nataša, Kašić, Vladan, Matijašević, Srđan, "Hydrophobization of calcite by wet method using stearic acid" in 11th International Conference on Renewable Electrical Power Sources (ICREPS) 2023 (2023):479-485.