Tecnologías de biosorción y membranas en la eliminación de metales pesados

  1. Luisa M. Vera Cabezas 1
  2. Nancy García Alvear 1
  3. Maria F Uguña 1
  4. Marittza Flores 1
  5. Diana Brazales 1
  6. Enrique González Cabrera
  1. 1 Universidad de Cuenca
    info

    Universidad de Cuenca

    Cuenca, Ecuador

    ROR https://ror.org/04r23zn56

  2. 2 Universidad de La Laguna
    info

    Universidad de La Laguna

    San Cristobal de La Laguna, España

    ROR https://ror.org/01r9z8p25

Journal:
Tecnología y Ciencias del Agua

ISSN: 2007-2422

Year of publication: 2018

Volume: 9

Issue: 6

Pages: 91-102

Type: Article

DOI: 10.24850/J-TYCA-2018-06-04 DIALNET GOOGLE SCHOLAR lock_openOpen access editor

Abstract

In this paper a comparison between biosorption membrane technology and the elimination of Pb +2 and Cd +2 wastewater from the mining industry is performed. SEPA cell membranes CF II laboratory scale operations that allows cross - flow filtration with reverse ósmosis membranes (SE, GE Osmonics) and nanofiltration (DK, GE Osmonics) , yielding a ratio of ósmosis rejection of 98 , 77 for Pb +2 is used and 98 . 30 for Cd + 2 and nanofiltration 98 , 67 for Pb + 2 and 98 . 05 for Cd + 2 . Powered by biosorption using sugar cane bagasse re moval percentages for 97 . 76 and 81 . 35 Pb +2 for Cd +2 are obtained. From the environmental point of view the two technologies are compatible with the environment and from the economic point of view, the membranes have a higher initial cost than biosorption p rocess but life is about 10 years, Biosorption you can take advantage of agricultural waste with low acquisition cost.

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