Sugarcane Bagasse Ash Micronized Using Air Jet Mills for Green Pozzolan in Brazil

Table 1

Prerequisites, methods, and results of MFSCBA characterization.

	Prerequisites	Class E artificial pozzolan [17]	Methods [17]	Results for MFSCBA
1	SiO2 + Al2O3 + Fe2O3 (% min.)	50	X-ray fluorescence spectroscopy (XRF)	74.15
2	SO3 (% max.)	5	X-ray fluorescence spectroscopy (XRF)	1.2
3	Moisture content (% max.)	3	Thermogravimetric analysis and moisture control	In accordance^a
4	Loss on ignition (% max.)	6	Thermogravimetric analysis (TGA)	13.28^b
5	Alkalis (% max.)	1.5	X-ray fluorescence spectroscopy (XRF and NBR NM 25 (2003))	5.4^b
6	Amount of particles smaller than 0.045 mm (% min.)	80	Air jet milling process and measurement by laser refraction analyzer	100
7	Structural organization with amorphous indication	Indication	X-ray diffraction (XRD)	In accordance^a

^aThe moisture content was controlled and checked considering mortar production. ^bOff-specification requirements.