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As(III) removal from aqueous solution by adsorption (1988)

Singh, D. B. ; Prasad, G. ; Rupainwar, D. C. ; [et al.]

Springer

Water, air & soil pollution 42 (1988), S. 373-386

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ISSN: 1573-2932

Source: Springer Online Journal Archives 1860-2000

Topics: Energy, Environment Protection, Nuclear Power Engineering

Notes: Abstract The removal of As(III) from aqueous solutions at different concentrations, pH and temperatures by haematite has been carried out successfully. The maximum removal was found to be 96 % at concentration 13.34 μmol L−1, temperature 20 °C and pH 7.0. The process of uptake follows first-order adsorption rate expression and obeys the Langmuir's model of adsorption. The removal of As(III) by haematite is also partially diffusion controlled and mass transfer coefficients, diffusion coefficients and thermodynamic parameters have been determined to explain the results.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00279281

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