Special Issue on “Anammox-Based Processes for Wastewater Treatment”

Magrí, Albert; Lotti, Tommaso

doi:10.3390/pr11051422

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2023

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“…Less need to oxidize ammonia also results in energy savings due to less oxygen demand. The process is analogous to Anammox [30][31][32].…”

Section: Physical and Chemical Characteristicsmentioning

confidence: 99%

The Importance of the Mineral Substrate of the Biofilm in the Process of Low-Temperature Removal of Nitrogen Compounds from Wastewater

Anielak,

Polus,

Diakun

et al. 2023

Materials

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This study researched the use of biofilms to remove nitrogen compounds from municipal sewages at low temperatures, especially in winter. An aluminosilicate substrate was used to create a biofilm, which has an affinity for ammonium ions. The selection of biofilm-forming microorganisms has been shown to occur on aluminosilicate. This substrate is mainly inhabited by microorganisms that remove nitrogen compounds. As a result, microorganisms protected against external factors in the biofilm effectively remove nitrogen compounds. The TN content in sewage treated at a temperature of 10 °C was of a 4 mg/L order and was 3–5 times lower than in the reference system (classical conditions). This process involves shortened nitrification/denitrification such as Anammox. As a result of a given process, CO2 emissions were reduced and much smaller amounts of NOx were produced, positively impacting the ongoing climate changes. Microbiological DNA/RNA tests have shown that the biofilm is primarily composed of archaea and bacteria that remove nitrogen compounds, including those that oxidize ammonia.

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“…Less need to oxidize ammonia also results in energy savings due to less oxygen demand. The process is analogous to Anammox [30][31][32].…”

Section: Physical and Chemical Characteristicsmentioning

confidence: 99%

The Importance of the Mineral Substrate of the Biofilm in the Process of Low-Temperature Removal of Nitrogen Compounds from Wastewater

Anielak,

Polus,

Diakun

et al. 2023

Materials

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show abstract

Special Issue on “Anammox-Based Processes for Wastewater Treatment”

Abstract: Anaerobic ammonium oxidation (anammox, A) has become an appealing bioprocess for the water sector as a method to remove nitrogen (N) from wastewater using low-energy and organic carbon inputs [...]

Cited by 1 publication

References 13 publications

The Importance of the Mineral Substrate of the Biofilm in the Process of Low-Temperature Removal of Nitrogen Compounds from Wastewater

The Importance of the Mineral Substrate of the Biofilm in the Process of Low-Temperature Removal of Nitrogen Compounds from Wastewater

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