List of Figures

1 Structure of Dyes
2 Infra red spectra of BGH
3 Infra red spectra of TDH
4 Infra red spectra of CH
5 Infra red spectra of TH
6-8 Effect of agitation time on the amaranth biosorption by BGH, TDH and TH
9-11 Effect of agitation time on the Methylene blue biosorption by BGH, TDH and TH
12-15 Effect of agitation time on the Fast green biosorption by BGH, TDH and TH
16-18 Effect of agitation time on the Rhodamine B biosorption by BGH, TDH and TH
19-21 Effect of adsorbent dose on the Amaranth biosorption by BGH, TDH and TH
22-24 Effect of adsorbent dose on the Methylene blue biosorption by BGH, TDH and TH
25-27 Effect of adsorbent dose on the Fast green biosorption by BGH, TDH and TH
28-30 Effect of adsorbent dose on the Rhodamine B biosorption by BGH, TDH and TH
31-33 Effect of pH on the Amaranth biosorption by BGH, TDH and TH
34-36 Effect of pH on the Methylene blue biosorption by BGH, TDH and TH
37-39 Effect of pH on the Fast green biosorption by BGH, TDH and TH
40-42 Effect of pH on the Rhodamine B biosorption by BGH, TDH and TH
43-45 Langmuir adsorption isotherm for Amaranth by BGH, TDH and TH
46-48 Langmuir adsorption isotherm for Methylene blue by BGH, TDH and TH
49-51 Langmuir adsorption isotherm for Fast green by BGH, TDH and TH
52-54 Langmuir adsorption isotherm for Rhodamine B by BGH, TDH and TH respectively
55-57 Freundlich adsorption isotherm for Amaranth by BGH, TDH and TH
58-60 Freundlich adsorption isotherm for Methylene blue by BGH, TDH and TH
61-63 Freundlich adsorption isotherm for Fast green by BGH, TDH and TH
64-66 Freundlich adsorption isotherm for Rhodamine B by BGH, TDH and TH
67-69 Lagergren plots for Amaranth adsorption by BGH, TDH and TH
70-72 Lagergren plots for Methylene blue adsorption by BGH, TDH and TH
73-75 Lagergren plots for Fast green adsorption by BGH, TDH and TH
76-78 Lagergren plots for Rhodamine B adsorption by BGH, TDH and TH
79-82 Effect of pH on the desorption of Amaranth, Methylene Blue, Fast green and Rhodamine B