Wheat bran’s surface area (particle sizeZ500 mm) was
found to be 8.65 m2 gK1 using the BET method. Although
this value is low compared with other adsorbents such as activated carbon, which has a surface area of 1000–1500 m2 g1, 500–800 m2 g1 and 700–1400 m2 g1 for
gas and vapor adsorption coals, water purifying coals and
color removing coals, respectively (Gu¨zel, 1991), WB is
cheaper than activated carbon, and therefore advantageous
from an economical point view