The Effect of Dissolved Humic Acids on Aluminosilicate Formation and Associated Carbon Sequestration

Table 1

Concentrations of Al, Si, and DOC used for binary and ternary experiments (variable [DOC]), variables [Si] and [Al], and experiments used to generate precipitates for further analysis).

	Al (mM)	Si (mM)	DOC (mg/L)
Binary solutions	—	0.3	6
	0.3	—	6
	0.3	0.3	—
Ternary solutions: variable [DOC]	0.3	0.3	3
	0.3	0.3	6
	0.3	0.3	9
Variable [Si]	0.3	0.05–1.5	—
	0.3	0.05–1.5	6
Variable [Al]	0.05–1.5	0.3	—
	0.05–1.5	0.3	6
Solutions for precipitate recovery	0.5	0.5	—
	0.5	0.5	6
	0.75	0.5	—
	0.75	0.5	6
	1.0	0.5	—
	1.0	0.5	6