Isothermal study of Congo Red dye biosorptive removal from water by Solanum tuberosum and Pisum sativum peels in economical way

• DOI: 10.4314/bcse.v32i2.3
• Publication Date: 2018-07-23T08:43:20Z
• Authors: R. Rehman; I. Manzoor; L. Mitu
• Keywords: Solanum tuberosum; Congo red

Solanum tuberosum (STP) and Pisum sativum peels (PSP) were used for removal of toxic Congo Red dye using indigenous sources. Potato (Solanum tuberosum) pea (Pisum sativum) are commonly abundantly cultivated plants in Asian countries their easily available. The optimized conditions were: adsorbent dose; 0.8 0.6 g, contact time; 50 35 min, pH; 3 2, agitation speed; 200 125 rpm temperature; 30 oC both STP PSP respectively. Isothermal studies indicated that Langmuir model followed by equilibrium data more than Freundlich model. Negative value thermodynamic parameter ∆Go shown Cong adsorbents was spontaneous exothermic nature. adsorption capacity (qmax) found to be 6.9 16.4 mg.g-1, Higher qmax it is suitable potato peels. KEY WORDS: red, tuberosum, sativum, Biosorption Bull. Chem. Soc. Ethiop. 2018, 32(2), 213-223.DOI: https://dx.doi.org/10.4314/bcse.v32i2.3