Biological removal of iron and sulfate from synthetic wastewater of cotton delinting factory by using halophilic sulfate-reducing bacteria.

Heliyon · 2019 · PMC6909104 · PMID 31872121

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showed a trendno p-value reported

The removal pattern of Fe showed a trend in Fe solubility in the form of metal sulfide.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.