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

Figure 8

Optical microscopy images showing the surface of extruded rods prepared with the treated powders: (a, b, c) 1.0% CMC; (d, e, f) 1.5% CMC; (g, h, i) 2.0% CMC; (a, d, g) acidic; (b, e, h) acidic-basic; (c, f, i) basic pH milling. The diameter of rods is 3.1 mm.

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