Mobile organic biofilm process for ammonia removal under low solids retention time and low operating temperature conditions.
Saved in:
| Title: | Mobile organic biofilm process for ammonia removal under low solids retention time and low operating temperature conditions. |
|---|---|
| Authors: | Calda, Burcu1 (AUTHOR), Figdore, Bryce2 (AUTHOR), Corey, Chad2 (AUTHOR), Hendricks, Adam2 (AUTHOR), McKelvey, Sean3 (AUTHOR), Metch, Jacob2 (AUTHOR), Duran, Metin1 (AUTHOR) metin.duran@villanova.edu |
| Source: | Environmental Technology. Jan2026, Vol. 47 Issue 2, p232-241. 10p. |
| Subject Terms: | *Wastewater treatment, *Nitrogen removal (Sewage purification), *Activated sludge process, Biofilms, Low temperatures |
| Abstract: | This study aimed to evaluate the effectiveness of mobile organic biofilm (MOB) technology for removing ammonia (NH3/NH4+, referred to as NH4+) from wastewater in low solids retention time (SRT) and low operating temperature conditions. The MOB technology is based on process intensification using a plant-based media (milled kenaf) to develop a mobile organic biofilm. In the MOB process, media is added to the aeration tanks of an activated sludge process. Two bench-scale sequencing batch reactors (SBRs) with 1.5 L volume were used to assess MOB technology, a control, and a MOB-added reactor, hereafter the MOB reactor. The NH4+ concentration in the influent ranged from 5.5 to 14.9 mg N/L, with an average of 10.1 mg N/L over the study period. The COD level varied from 66.0 to 94.0 mg/L, with an average of 78.8 mg/L. The results showed that the MOB process effectively removes NH4+ and COD with a three-day SRT at 12 °C. The MOB reactor achieved an average of 93.1% NH4+ and over 47% COD removal throughout the stable operation period. MOB represents a promising wastewater treatment technology for the removal of nitrogen in activated sludge facilities. [ABSTRACT FROM AUTHOR] |
| Copyright of Environmental Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | GreenFILE |
|
Full text is not displayed to guests.
Login for full access.
|
|
| Abstract: | This study aimed to evaluate the effectiveness of mobile organic biofilm (MOB) technology for removing ammonia (NH3/NH4+, referred to as NH4+) from wastewater in low solids retention time (SRT) and low operating temperature conditions. The MOB technology is based on process intensification using a plant-based media (milled kenaf) to develop a mobile organic biofilm. In the MOB process, media is added to the aeration tanks of an activated sludge process. Two bench-scale sequencing batch reactors (SBRs) with 1.5 L volume were used to assess MOB technology, a control, and a MOB-added reactor, hereafter the MOB reactor. The NH4+ concentration in the influent ranged from 5.5 to 14.9 mg N/L, with an average of 10.1 mg N/L over the study period. The COD level varied from 66.0 to 94.0 mg/L, with an average of 78.8 mg/L. The results showed that the MOB process effectively removes NH4+ and COD with a three-day SRT at 12 °C. The MOB reactor achieved an average of 93.1% NH4+ and over 47% COD removal throughout the stable operation period. MOB represents a promising wastewater treatment technology for the removal of nitrogen in activated sludge facilities. [ABSTRACT FROM AUTHOR] |
|---|---|
| ISSN: | 09593330 |
| DOI: | 10.1080/09593330.2025.2572542 |
