Table 1 Chemical composition of the sludge cakes as determined using X-ray fluorescence spectrometry (mass%).

From: Characteristics and environmental benefits of CO2 mineralization using a recyclable chelating agent in concrete manufacturing

SiO2

TiO2

Al2O3

Fe2O3

MnO

MgO

CaO

Na2O

K2O

P2O5

LOI

Total

22.31

0.32

5.26

3.68

0.10

1.14

51.07

0.65

0.44

0.13

14.0

99.1

  1. LOI = Loss on Ignition, representing the percentage decrease in sample mass after heating in a muffle furnace at 950 °C for 2 h.
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