Image analysis of ball mill and HPGR cements-effects on service properties

Research output: Contribution to conferencePaperpeer-review

Abstract

The characterization of cements produced by different grinding mechanisms namely ball milling and high pressure rolls grinding (HPGR), and their effects upon downstream service properties such as strength, water demand and setting time were ascertained. Chemical, physical and mineralogical characterizations were made by using XRF, laser sizing, Blaine, BET, SEM, and image analysis techniques on closely sized fractions. Liberation study was carried out on clinker phases due to different grinding modes. HPGR grinding gave higher degrees of liberation of mineral phases arising from the intergranular breakage along the grain boundaries compared to ball mill grinding. Compressive strength tests were performed on closely sized fractions to investigate a relationship between liberation and strength. Ball mill products exhibited slightly higher strengths than HPGR products contrary to our expectations.

Original languageEnglish
Pages152-157
Number of pages6
Publication statusPublished - 2006
Event23rd International Mineral Processing Congress, IMPC 2006 - Istanbul, Turkey
Duration: 3 Sept 20068 Sept 2006

Conference

Conference23rd International Mineral Processing Congress, IMPC 2006
Country/TerritoryTurkey
CityIstanbul
Period3/09/068/09/06

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