“…A large number of nonconventional adsorbents such as raw pine and acid treated pine cone powder (Dawood and Sen, 2012,), wheat straw (Zhao et al, 2014), eggshells (Saha et al, 2012), natural coagulants (Patel and Vashi 2012), bael shell (Ahmad and Kumar, 2010), cattail root (Hu et al, 2010), Raphanus sativus peel (Abbas et al, 2011), natural coagulants (Surjana seed powder (SSP), maize seed powder (MSP) and chitosan) (Patel and Vashi, 2012), pomelo fruit peel wastes (Jayarajan et al, 2011) and macauba palm (Acrocomia aculeata) cake (Vieira et al, 2012) have been used for the removal of CR from aqueous solutions.…”