McKay, G.; Blair, H. S.; Gardner, J. G.; McConvey, I. F. published the artcile< Two-resistance mass transfer model for the adsorption of various dyestuffs onto chitin>, Name: Sodium 5,5′-(diazene-1,2-diyl)bis(2-hydroxybenzoate), the main research area is dye adsorption chitin wastewater; mass transfer model chitin dye.
The kinetics of the adsorption of various dyes onto chitin (I) [1398-61-4] were studied. The dyes used are Neoland Blue 2G (II) [6370-08-7], Eriochrome Flavin A (III) [6054-98-4], and Solophenyl Brown 3RL (IV) [6409-83-2] and a number of process variables were considered, such as adsorbent mass and dye concentration The mass transfer model is based on the assumption of a pseudoirreversible isotherm and 2 resistances to mass transfer. These are external mass transfer and internal pore diffusion mass transfer. The rate of adsorption of dyes onto I can be described by an external mass transfer coefficient and a pore diffusion coefficient The external mass transfer coefficients are 5.0 × 10-5, 5.0 × 10-5, and 1.0 × 10-5 m/s and the pore diffusivities are 3.0 × 10-10 and 4.0 × 10-11 m2/s for II, III, and IV, resp.
Journal of Applied Polymer Science published new progress about Adsorptive wastewater treatment. 6054-98-4 belongs to class alcohols-buliding-blocks, and the molecular formula is C14H8N2Na2O6, Name: Sodium 5,5′-(diazene-1,2-diyl)bis(2-hydroxybenzoate).
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