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

7 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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