Effects of Milling pH and Hydrothermal Treatment on Formation of Nanostructured Boehmite Binder for Alumina Extrusion

Table 1

Results of particle size distribution (, and are sizes at 10%, 50% and 90% in the cumulative volume fraction curve, respectively) and specific surface area (SSA) of milled and hydrothermally treated powders.

Milling condition	(µm)	(µm)	(µm)	SSA (m^2/g)
Acidic pH	0.905	1.650	2.911	6.71
Acidic–basic	0.902	1.654	2.880	4.14
Basic pH	0.909	1.658	2.903	5.25