Photocatalytic Processes for the Removal of Dye - Green Chemistry for Dyes Removal from Wastewater - page 157

Figure 5.9 Progressive removal of MB from aqueous solutions by peat, for different initial
concentrations, at 35 C [67].
Redlich-Peterson isotherm model yields the best fit for all three dyes. Also,
the linear transform model provided the highest regression coefficient for
the case of Redlich-Peterson isotherm, whereas the Freundlich isotherm
was better represented by HYBRID error function. The comparison of the
uptake capacities of peat has been given in Table 5.7.
5.2.4 Bamboo
Bamboo is a type of abundant perennial plant mostly found in Asia, Africa
and Latin America. Bamboo has been traditionally utilized for handicrafts,
construction materials, pulping and papermaking. The rapid growth of
bamboo and its excessive amount have created some problems in its usage
and disposal. Therefore, more practical usage of this material has been the
focus of attention for researchers. Due to its unique characteristics in chem-
ical composition, this lingocellulosic biomass has been extensively used for
the production of bioethanol and as a green biofuel. In addition, the usage
of bamboo-based activated carbon as an adsorbent for the removal of dyes,
heavy metals, organic pollutants and humidity has recently attracted the
attention of many researchers [69-71].
Various activation methods have been used to produce activated carbon
from waste bamboo. Mui et al. [72] carried out the pyrolysis of bamboo
under nitrogen atmosphere at various temperatures and observed that as