ArticleScientific reports2018
The role of pH on the biological struvite production in digested sludge dewatering liquors.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 38 citations in OpenAlex.
- Microbial factors behind struvite precipitation: enzymes and extracellular polymeric substances (EPS) as key players.Applied microbiology and biotechnology · 2025Article
- Development and optimization of an ammonia removal strategy for sustainable recycling of cell culture spent media in cultivated meat production: from concept to implementation.Frontiers in bioengineering and biotechnology · 2025Article
- Nutrient Removal and Recovery from Urine Using Bio-Mineral Formation Processes.ACS sustainable resource management · 2024Article
- Recovery of Nutrients from Residual Streams Using Ion-Exchange Membranes: Current State, Bottlenecks, Fundamentals and Innovations.Membranes · 2022Review
- Biological recovery of phosphorus from waste activated sludge via alkaline fermentation and struvite biomineralization by Brevibacterium antiquum.Biodegradation · 2022Article
- Predicting the potential of sludge dewatering liquors to recover nutrients as struvite biominerals.Environmental science and ecotechnology · 2020Article
- The role of reagent adding sequence in the NHScientific reports · 2020Article
- Optimization of phosphate recovery as struvite from synthetic distillery wastewater using a chemical equilibrium model.Environmental science and pollution research international · 2019Article
- Effect of Varying Nitrate Concentrations on Denitrifying Phosphorus Uptake by DPAOs With a Molecular Insight Into Pho Regulon Gene Expression.Frontiers in microbiology · 2019Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Struvite production mediated by bacteria has opened up a new route for phosphorus recovery from wastewater streams but its application to digested sludge dewatering liquors is not yet well understood. This study investigates the growth and biological struvite production of selected bacteria in wastewater liquors with pHs between 5.7 to 9.1. The bacterial growth was assessed through flow cytometry. Bacillus pumilus, Halobacterium salinarum and Brevibacterium antiquum remained viable at pHs between 5.7 to 9.1 but B. antiquum was able to grow at pHs between 7.3 to 7.8. Further analysis allowed the identification of crystals as struvite in tests between pH 7.3 to 8.3. All strains were capable of producing struvite at a range of pHs, but the highest production of 135-198 mg/L was observed for pHs between 7.3 to 8.3. At pHs > 8.3, precipitation of struvite and calcium compounds was observed in inoculated and non-inoculated tests. This study demonstrates that biological struvite production can occur at a wide range of pHs, hence significantly different from chemical struvite precipitation that occurs at pH > 8.3, making it a potentially viable process for phosphorus recovery as struvite from wastewater streams and sludge liquors without strict pH control.
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