Nitrogen Removal 3.0: A Pilot Study to Evaluate the Feasibility of Mainstream Deammonification

Regmi, Pusker; Bunce, Ryder; Hingley, Daniel M.; Kinnear, Dave; Deammonification, Bernhard

doi:10.2175/193864712811725375

Cited by 8 publications

(9 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The HRSD AVN control strategy is another very successful example of real-time aeration duration control strategy using on-line monitoring of ammonium and NOx concentrations to prevent over-aeration and balance the concentrations if ammonium and nitrite / nitrate throughout the process (Regmi et al 2012). …”

Section: Suppression Of the Nob Populationmentioning

confidence: 99%

“…This has been the approach under evaluation by HRSD where the nitrite shunt reactions are optimized in a suspended growth system that has quite a high influent COD / N ratio, followed by an attached growth MBBR anaerobic deammonification polishing step to remove the residual ammonium and NOx (Regmi et al 2012). …”

Section: Full Scale Mainstream Deammonification Implementation Technomentioning

confidence: 99%

See 1 more Smart Citation

Roadmap Toward Energy Neutrality & Chemical Optimization at Enhanced Nutrient Removal Facilities

Stinson¹,

Murthy²,

Bott³

et al. 2013

proc water environ fed

View full text Add to dashboard Cite

Over the past few years we have been seeing the widespread introduction of new or more stringent nutrient removal requirements for water reclamation plants across North America and indeed globally. While the environmental benefits of reducing nutrient discharges to water bodies is recognized, it is not without its challenges from the perspective of increased energy, chemical, space and labor demands, all of which contribute to increased carbon footprint, greenhouse gas emissions and rate payer impacts.In an effort to realize a more sustainable future, many facilities are evaluating more innovative and advanced processes to meet their environmental goals while also reducing energy and chemical demands / increasing energy recovery. An international collaborative research team from the District of Columbia Water and Sewer Authority (DC Water), Washington DC, the Hampton Roads Sanitation District (HRSD), Virginia, and the Achental-Inntal-Zillerta Waterboard (AIZ), Austria are among those that have developed a "road map" for a more sustainable nutrient removal plant and together, they are evaluating at bench, pilot and full scale, innovative strategies for: 1. energy and chemical reduction through the use of mainstream deammonification and / or nitritation / denitritation (hereinafter referred to as nitrite shunt) 2. enhanced energy recovery by capture and redirection the influent wastewater carbon to an advanced anaerobic digestion system with the use of chemically enhanced primary treatment (CEPT) and high rate activated sludge (HRAS) bio-sorption processes.This paper will focus three things: 1. Benchmarking the energy benefits for mainstream deammonification / nitrite shunt in the context of a large BNR plant, using Blue Plains AWTF as a case study. 2. Summarize the key process considerations and control strategies to support the successful implementation of mainstream deammonification / nitrite shunt based on the work performed to date by this team 3. Present some practical design and engineering concepts as to how mainstream deammonification / nitrite shunt may be incorporated into a full scale facility.While there is still extensive research ongoing into this topic, much has been learned over the past year and, given that many plants are currently in the process of planning their nutrient removal upgrades, the team thought that it was important to share the best available knowledge with regard to mainstream deammonification / nitrite shunt at this time so that ongoing or imminent design efforts could incorporate the flexibility (or at least would not preclude the opportunity) to upgrade to mainstream deammonification / nitrite shunt in the future. Energy Benchmarking & the Road Map for Energy OptimizationIn recent years, the success of Strass WWTP in becoming not only energy neutral but indeed and energy positive BNR facility has fired the imagination and determination of many facilities across the globe to follow suit (WERF 2009). Often North American wastewater treatment plants have more dilute influent wastew...

show abstract

Section: Suppression Of the Nob Populationmentioning

confidence: 99%

Section: Full Scale Mainstream Deammonification Implementation Technomentioning

confidence: 99%

Roadmap Toward Energy Neutrality & Chemical Optimization at Enhanced Nutrient Removal Facilities

Stinson¹,

Murthy²,

Bott³

et al. 2013

proc water environ fed

View full text Add to dashboard Cite

show abstract

“…The HRSD AVN (Ammonia vs. NOx) control strategy is another very successful example of real-time aeration duration control strategy using on-line monitoring of ammonium and NOx concentrations to prevent over-aeration and balance the concentrations if ammonium and nitrite / nitrate throughout the process (Regmi et al 2012). …”

Section: Suppression Of the Nob Populationmentioning

confidence: 99%

“…After the cyclical deammonification zones there will likely be residual ammonium, nitrite and nitrate. Through the use of a real time control system such as the AVN system developed by HRSD (Regmi et al 2012) it has been demonstrated at pilot scale that it is possible to produce a "nitrite shunt / deammonification" zone effluent with almost equal amounts of ammonium and NOx. Under these circumstances both HRSD and DC Water are examining the potential of using the Brocadia Anammoxidans organism and/ or the Methyloversatilis organisms to help with final polishing.…”

Section: Final Polishingmentioning

confidence: 99%

“…Operation of cyclical aeration in all zones (switching aeration on and off) using the AVN controller developed by HRSD (Regmi et al 2012) has also been considered, to date there is no evidence that this will be required and the sequential zone aeration was considered simpler to implement. One aspect of continued evaluation at the pilot scale relates to determining the optimal aerobic / anoxic cycle time to successfully out-select the NOBs.…”

Section: Mainstream Deammonification Strategy For Blue Plains Awtfmentioning

confidence: 99%

See 1 more Smart Citation

Roadmap To Energy & Chemical Optimization Through The Use of Mainstream Deammonification at Enhanced Nutrient Removal Facilities

Stinson¹,

Murthy²,

Bott³

et al. 2013

proc water environ fed

View full text Add to dashboard Cite

Over the past few years we have been seeing the widespread introduction of new or more stringent nutrient removal requirements for water reclamation plants across North America and indeed globally. While the environmental benefits of reducing nutrient discharges to water bodies is recognized, it is not without its challenges from the perspective of increased energy, chemical, space and labor demands, all of which contribute to increased carbon footprint, greenhouse gas emissions and rate payer impacts.In an effort to realize a more sustainable future, many facilities are evaluating more innovative and advanced processes to meet their environmental goals while also reducing energy and chemical demands / increasing energy recovery. An international collaborative research team from the District of Columbia Water and Sewer Authority (DC Water), Washington DC, the Hampton Roads Sanitation District (HRSD), Virginia, and the Achental-Inntal-Zillerta Waterboard (AIZ), Austria are among those that have developed a "road map" for a more sustainable nutrient removal plant and together, they are evaluating at bench, pilot and full scale, innovative strategies for:1. enhanced energy recovery by capture and redirection the influent wastewater carbon to an advanced anaerobic digestion system with the use of chemically enhanced primary treatment (CEPT) and high rate activated sludge (HRAS) bio-sorption processes 2. energy and chemical reduction through the use of mainstream deammonification and / or nitritation / denitritation (hereinafter referred to as nitrite shunt).This paper will focus on the second topic, mainstream deammonification / nitrite shunt and will: 1. Summarize the key process considerations and control strategies to support the successful implementation of mainstream deammonification / nitrite shunt based on the work performed to date by this collaborative team 2. Present some practical design and engineering concepts as to how mainstream deammonification / nitrite shunt may be incorporated into a full scale facility.While there is still extensive research ongoing into this topic, much has been learned over the past year and, given that many plants are currently in the process of planning their nutrient removal upgrades, the team thought that it was important to share the best available knowledge 2226 WEFTEC 2013

show abstract

Microbial characteristics of nitrifiers, denitrifiers and anammox bacteria on different support media to treat space mission wastewater

Dai¹,

Prá

Vanotti

et al. 2019

Journal of Environmental Management

View full text Add to dashboard Cite

Nitrogen Removal 3.0: A Pilot Study to Evaluate the Feasibility of Mainstream Deammonification

Cited by 8 publications

References 0 publications

Roadmap Toward Energy Neutrality & Chemical Optimization at Enhanced Nutrient Removal Facilities

Roadmap Toward Energy Neutrality & Chemical Optimization at Enhanced Nutrient Removal Facilities

Roadmap To Energy & Chemical Optimization Through The Use of Mainstream Deammonification at Enhanced Nutrient Removal Facilities

Microbial characteristics of nitrifiers, denitrifiers and anammox bacteria on different support media to treat space mission wastewater

Contact Info

Product

Resources

About