Continuous biological sulfate reduction from phosphogypsum waste leachate

Marja Salo (Corresponding Author), Jarno Mäkinen, Jason Yang, Matti Kurhila, Pertti Koukkari

    Research output: Contribution to journalArticleScientificpeer-review

    12 Citations (Scopus)

    Abstract

    This work explores the possibility to utilize biological sulfate reduction in the treatment of phosphogypsum leachate, with a simultaneous removal of sulfate and phosphorus in continuous flow bioreactors. An efficient sulfate reduction was achieved and proof of elemental removal was acquired. The method described in this work is suggested to be applied as a passive type of installment with environmental pollution control as the primary target. In addition to sulfate reduction, rare earth elements (REE) were monitored during the process, as these valuable elements are commonly found in phosphogypsum waste.
    Original languageEnglish
    Pages (from-to)1-6
    Number of pages6
    JournalHydrometallurgy
    Volume180
    DOIs
    Publication statusPublished - 2 Jul 2018
    MoE publication typeA1 Journal article-refereed

    Keywords

    • phosphogypsum
    • biological sulfate reduction
    • rare earth elements

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