Adsorption of toluene and xylene from aqueous solution on SBA-15 from rice husk
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Date
2019Author
Prestianggi, Y
Maylisa, N
Subagyono, RRDJN
Sitorus, S
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Abstract. Synthesis of Santa Barbara Amorphous-15 (SBA-15) from rice husk ash (Oryza
Sativa L.) as toluene and xylene adsorbents has been performed. SBA-15 was synthesised by
the modified surfactant template method. SBA-15 from rice husk ash has a surface area of 680
m2/g, a pore diameter of 1.49 nm and a pore volume of 12.5 cm3/g. SAXS pattern of the
SBA-15 showed the presence of three distinctive peaks of SBA-15 at 0.99°, 1.54° and 1.74° 2
theta with miller indices [100], [110] and [200]. SEM pictures showed that SBA-15 from rice
husk ash has an irregular shape and the particles are in aggregate form. The maximum
adsorption capacities of SBA-15 from rice husk ash to toluene and xylene based on the
Langmuir isotherm were 175.44 mg/g and 142.86 mg/g, respectively with RL (equilibrium
parameter) value within the range 0-1.