Cd (II) removal from aqueous solution by Eleocharis acicularis biomass, equilibrium and kinetic studies

Removal of cyanide from wastewater by adsorption onto pistachio hull wastes: Parametric experiments, kinetics and equilibrium analysis

“…Moreover, based on information given in Table 4, the value of E in the D-R isotherm was found to be 40.8 kJ/mol. E depicts the mean adsorption free energy per molecule of the adsorbate when it is transferred from the infinity solution to the surface of the adsorbent, and thereby describes the type of adsorption [31,32]. This finding reconfirms the conclusion made above that the adsorption of cyanide onto PHP is a chemical process controlled by intraparticle diffusion [33].…”

Copper, zinc, cadmium and lead biosorption by Gymnogongrus torulosus. Thermodynamics and kinetics studies

“…Intra-particle diffusion kinetics model for the biosorption of ( ): Cu(II); ( ): Zn(II); ( ): Pb(II) and ( ): Cd(II) onto G. torulosus.kinetic parameters are in accordance with those found in the literature[34,[36][37][38].…”

Biosorption of Cd+2 by green plant biomass, Araucaria heterophylla: characterization, kinetic, isotherm and thermodynamic studies

“…The search for new technologies for the removal of toxic metals has directed attention to biosorption phenomenon which is based on the metal binding capacity of agricultural wastes (Zacaria 2002). In recent years, a number of agricultural and forestry by-products such as rice husk (Ajmal et al 2003), pine bark (Al-Asheh and Duvnjak 1998), saw dust (Bulut and Tez 2007), Araucaria heterophylla (Sarada et al, 2013), lignin (Srivastava et al 1994), cork biomass (Chubar et al 2004), Lathyrus sativus husk (Panda et al 2008), Zea mays cob powder (Goyal and Srivastava, 2009), Acacia leucocephala bark powder (Munagapati et al, 2010), Parthenium hysterophorus weed (Ajmal et al, 2006), wheat bran (Nouri et al 2007), Eleocharis acicularis (Miretzky et al, 2010), Eichhornia crassipes (Módenes et al, 2011), Grape pomace , orange peel (Feng et al, 2011) have been used for heavy metal removal from waters and wastewaters.…”