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Elaboration of Porous Geopolymer Cement from Sangaré Clay and Shell Egg Powder: Application as Thermal Insulation

Jeanne Atchana, Paul Nestor Djomou Djonga, Benoit Loura, Valery Gomdje Hambate, Jean Bosco Tchatchueng

American Journal of Materials Engineering and Technology. 2021, 9(1), 21-30 doi:10.12691/materials-9-1-2
  • Figure 1. View of the situation at the sampling point (Well)
  • Figure 2. Presentation of the samples taken
  • Figure 3. Diffractogram with total clay powder
  • Figure 4. Diffractogram obtained in preparation oriented on clay fraction
  • Figure 5. Infrared spectrum of the analyzed material
  • Figure 6. X-ray diffractograms of eggshells (ES)
  • Figure 7. ATG and DSC thermograms of eggshell powders
  • Figure 8. Infrared spectrum of eggshell powders
  • Figure 9. Optical microscopy of geopolymer cements based on metakaolin and eggshells
  • Figure 10. Micrographs of geopolymeric cements based on commercial calcium carbonate