Research Article

On the Suitability of Almond Shells for the Manufacture of a Natural Low-Cost Bioadsorbent to Remove Brilliant Green: Kinetics and Equilibrium Isotherms Study

Table 5

Example of data from studies of different adsorbents used for removal of different dyes.

AdsorbentAdsorbateAmount of adsorption (mg/g)Kinetic modelAdsorption isothermReference

ASPBG dye58.13Pseudo-second-orderLangmuirPresent study
Bambusa Tulda-Na2CO3BG dye41.67Pseudo-second-orderLangmuir[37]
Bambusa Tulda-HCLBG dye31.25Pseudo-second-orderLangmuir[37]
Areca nut huskBG dye18.21Pseudo-second-orderLangmuir[45]
Pinus roxburghii leavesBG dye71.42Pseudo-second-orderLangmuir[46]
Bagasse fly ashBG dye133.33Pseudo-second-orderLangmuir[47]
Luffa cylindrical spongeBG dye18.20Pseudo-second-orderLangmuir[48]
Almond shellMethylene blue833.33Pseudo-second-orderLangmuir[49]
Almond shellCrystal violet625Pseudo-second-orderLangmuir[49]
Almond shellRhodamine 6G32.6Pseudo-second-orderLangmuir[50]
Almond shell2-Picoline288.57Pseudo-second-orderLangmuir[44]
Walnut shells powderMethylene blue178.9Pseudo-second-orderLangmuir[10]
Walnut sawdustMethylene blue59.17Pseudo-second-orderLangmuir[51]
Apricot shellBisphenol A51.91Pseudo-second-orderLangmuir[52]
Apricot shellAtrazine56.91Pseudo-second-orderFreundlich[52]
Pineapple leaf powderCrystal violet78.22Pseudo-second-orderLangmuir[53]
Punica granatum shellCrystal violet50.21Pseudo-second-orderLangmuir[54]
Tea wasteAstrazon blue FGRL263.16Not citedFreundlich[55]