Search Results - Ronald Rojas Hacha

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  1. 1
    Selective bioflocculation of ultrafine hematite particles from quartz using a biosurfactant extracted from Candida stellata yeast

    Selective bioflocculation of ultrafine hematite particles from quartz using a biosurfactant extracted from Candida stellata yeast by Camarate, Marcelo Carneiro, Merma, Antonio Gutiérrez, Hacha, Ronald Rojas, Torem, Maurício Leonardo

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  2. 2
    Direct hematite flotation from an iron ore tailing using an innovative biosurfactant

    Direct hematite flotation from an iron ore tailing using an innovative biosurfactant by Pereira, Andreza Rafaela Morais, Hacha, Ronald Rojas, Torem, Maurício Leonardo, Merma, Antonio Gutierrez, Silvas, Flávia P.C., A, Abhilash

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  3. 3
    Electroflotation of fine hematite particles with Rhodococcus opacus as a biocollector in a modified Partridge–Smith cell

    Electroflotation of fine hematite particles with Rhodococcus opacus as a biocollector in a modified Partridge–Smith cell by Hacha, Ronald Rojas, LeonardoTorem, Maurício, Gutiérrez Merma, Antonio, da Silva Coelho, Vanessa Figueiredo

    Published in Minerals engineering
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  4. 4
    Measurement and analysis of H2 and O2 bubbles diameter produced by electroflotation processes in a modified Partridge-Smith cell

    Measurement and analysis of H2 and O2 bubbles diameter produced by electroflotation processes in a modified Partridge-Smith cell by Hacha, Ronald Rojas, Merma, Antonio Gutiérrez, Couto, Hudson Jean Bianquini, Torem, Maurício Leonardo

    Published in Powder technology
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  5. 5
    Use of Activated Carbon from Prunus Persica and Persea Americana for the Removal of Arsenic and Lead in Contaminated Water

    Use of Activated Carbon from Prunus Persica and Persea Americana for the Removal of Arsenic and Lead in Contaminated Water by Carlos A. Castaneda-Olivera, Hitler Roman Perez, Ricardo R. Barrenechea Suazo, Elmer Benites-Alfaro, Ronald Rojas Hacha, Antonio Gutierrez Merma

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  6. 6
    Optimization of hematite and quartz BIOFLOTATION by AN artificial neural network (ANN)

    Optimization of hematite and quartz BIOFLOTATION by AN artificial neural network (ANN) by Merma, Antonio Gutiérrez, Olivera, Carlos Alberto Castañeda, Hacha, Ronald Rojas, Torem, Maurício Leonardo, Santos, Brunno Ferreira dos

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  7. 7
    Cellular Adaptation: Culture conditions of R. opacus and bioflotation of apatite and quartz

    Cellular Adaptation: Culture conditions of R. opacus and bioflotation of apatite and quartz by Merma, Antonio Gutiérrez, Hacha, Ronald Rojas, Torem, Maurício Leonardo

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  8. 8
    Measurement and analysis of H2 and O^sub 2^ bubbles diameter produced by electroflotation processes in a modified Partridge-Smith cell

    Measurement and analysis of H2 and O^sub 2^ bubbles diameter produced by electroflotation processes in a modified Partridge-Smith cell by Hacha, Ronald Rojas, Merma, Antonio Gutiérrez, Couto, Hudson Jean Bianquini, Torem, Maurício Leonardo

    Published in Powder technology
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  9. 9
    Mineral bioflotation optimization: Comparison between artificial neural networks and response surface methodology

    Mineral bioflotation optimization: Comparison between artificial neural networks and response surface methodology by Pereira, Ayrton Alef Castanheira, Olivera, Carlos Alberto Castañeda, Merma, Antonio Gutiérrez, Hacha, Ronald Rojas, Ferreira dos Santos, Brunno, Torem, Maurício Leonardo

    Published in Minerals engineering
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