Removal of Acid Green 25 from Aqueous Solution by Adsorption | Zendy

R. Parimalam | Zendy; V. Raj | Zendy; P. Sivakumar | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Removal of Acid Green 25 from Aqueous Solution by Adsorption

Author(s) -

R. Parimalam,

V. Raj,

P. Sivakumar

Publication year - 2011

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2012/197235

Subject(s) - adsorption , freundlich equation , langmuir , chemistry , activated carbon , aqueous solution , exothermic reaction , chromatography , inorganic chemistry , nuclear chemistry , organic chemistry

The adsorptive removal of Acid Green 25 by Ananas Comosus (L) Activated carbon was investigated in this study. The effects of initial dye concentration, contact time, pH and temperature were studied for the adsorption of Acid Green 25 in batch mode. At 100 mg/L of initial dye concentration the adsorbent removes 182.6 mg/g of dye from solution; it further increases on increasing the temperature. The calculated values of ∆G° indicate that the adsorption process is spontaneous, negative ∆H° indicate that the adsorption process is exothermic and the positive value of ∆S° indicates the increase in randomness. The rate of dye adsorption follows pseudo second order model with an r2 value of 0. 999. Standard adsorption isotherms were used to fit the experimental equilibrium data. The Langmuir, Freundlich, and Tempkin models are appropriate to explain the adsorption phenomenon with good fit

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research