Influence of polymers on the grinding and rheology of ultrafine Egyptian calcium carbonate suspension

• Autorzy: Mourad Sabreen H , Khalil Mostafa M. H. , Abdel-Khalek N. A. , Abdel-Khalek M. A. , Selim K. A. , Hassan El-Sayed R. E.

Identyfikatory

DOI

10.37190/ppmp/152163

• Języki publikacji: EN

Abstrakty

EN

The investigation of surface modification of Egyptian calcium carbonate via polymers was achieved with simultaneous ultra-fine grinding. Attrition mill and planetary mill were used for wet and dry grinding, respectively. The parameters affecting the grinding were studied such as ball number, speed and grinding time. The rheological characteristics of the aqueous calcium carbonate suspensions were studied in the presence of different types of polymers. The results indicated that the mechanical force could clearly affect the modification characteristics of calcium carbonate due to its mechanochemical effects. The viscosity of calcium carbonate suspension depends on the volume percentage or weight percentage. The dispersing agent increases the solid concentration for a given particle fineness.

Słowa kluczowe

EN

fillers; calcium carbonate; ultra-fine grinding; surface modifications; Mechano-chemical; activation; polymers

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2022
• Tom: Vol. 58, iss. 6
• Strony: art. no. 152163
• Opis fizyczny: Bibliogr. 28 poz., rys., wykr.

Twórcy

autor

Mourad Sabreen H

• Minerals Beneficiation and Agglomeration Department, Central Metallurgical R& D Institute (CMRDI), P.O. Box 87 Helwan, 11722 Cairo, Egypt

autor

Khalil Mostafa M. H.

• Chemistry Department, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt

autor

Abdel-Khalek N. A.

• Minerals Beneficiation and Agglomeration Department, Central Metallurgical R& D Institute (CMRDI), P.O. Box 87 Helwan, 11722 Cairo, Egypt

autor

Abdel-Khalek M. A.

• Minerals Beneficiation and Agglomeration Department, Central Metallurgical R& D Institute (CMRDI), P.O. Box 87 Helwan, 11722 Cairo, Egypt

autor

Selim K. A.

• Minerals Beneficiation and Agglomeration Department, Central Metallurgical R& D Institute (CMRDI), P.O. Box 87 Helwan, 11722 Cairo, Egypt

autor

Hassan El-Sayed R. E.

• Minerals Beneficiation and Agglomeration Department, Central Metallurgical R& D Institute (CMRDI), P.O. Box 87 Helwan, 11722 Cairo, Egypt

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).