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Membrane and Desalination Technologies - TCE Moodle Website

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Adsorption <strong>Desalination</strong>: A Novel Method 407<br />

Table 9.6<br />

Thermo-physical properties of silica gels (31)<br />

Property Value<br />

ARGON GAS<br />

CYLINDER<br />

HEATING<br />

COILS<br />

SILICA<br />

GEL<br />

TEMPERATURE<br />

CONTROLLED BATH<br />

PNEUMATIC VALVE<br />

P c P P e<br />

T 1 T 2 T<br />

DOSING<br />

TANK<br />

TEMPERATURE CONTROLLED BATH<br />

Type “A” Type “RD”<br />

Specific surface area (m 2 /g) 650 650<br />

Porous volume (ml/g) 0.36 0.35<br />

Average pore diameter (A ˚ ) 22 21<br />

Apparent density (kg/m 3 ) 730 800<br />

pH value 5.0 4.0<br />

Water content (wt%)

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