sidestream treatment
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Processes ◽  
2021 ◽  
Vol 9 (5) ◽  
pp. 863
Author(s):  
Romain Lemaire ◽  
Magnus Christensson

When a wastewater treatment plant (WWTP) uses anaerobic digestion (AD) on its sludge treatment line, the opportunity to install a sidestream deammonification process for the cost-effective removal of the N-rich reject water load generated by the sludge digester should be considered. In this context, the ANITA™ Mox process based on the moving bed biofilm reactor (MBBR) technology has been implemented at more than 30 full-scale facilities over the last 10 years to treat reject water from conventional AD or after thermal hydrolysis process (THP) to reduce the N-load and associated treatment costs on the WWTP. This paper reviews the lessons learned in the implementation of the ANITA™ Mox process at several WWTP in the US, Europe, and Australia.



2020 ◽  
Vol 710 ◽  
pp. 135583
Author(s):  
Marco Mantovani ◽  
Francesca Marazzi ◽  
Riccardo Fornaroli ◽  
Micol Bellucci ◽  
Elena Ficara ◽  
...  


2020 ◽  
Vol 15 (1) ◽  
pp. 142-150
Author(s):  
W. Driessen ◽  
J. T. A. Van Veldhoven ◽  
M. P. M. Janssen ◽  
M. C. M. Van Loosdrecht

Abstract A long term operation (22 months) of the sidestream treatment plant at the water and resource recovery facility at the Tilburg sewage works in The Netherlands is presented. This plant treats dewatering reject liquor from thermally hydrolysed (THP) and mesophillic anaerobically digested (MAD) biosolids. The sidestream plant is comprised of a Phospaq struvite reactor for removal and recovery of phosphate and an Anammox reactor for removal of ammoniacal nitrogen. Potential inhibiting characteristics of THP-MAD reject liquor were successfully mitigated by various measures like pre-aeration and addition of dilution water. The sidestream plant demonstrated excellent performance in handling large fluctuations in load and composition, producing effluent with stable low NH4 and BOD concentrations achieving removal efficiencies up to 90% on both NH4 and BOD.



2020 ◽  
Vol 15 (1) ◽  
pp. 84-91
Author(s):  
L. Richter ◽  
M. Wichern ◽  
M. Grömping ◽  
U. Robecke ◽  
J. Haberkamp

Abstract Membrane contactors are a promising alternative for nitrogen removal and recovery from process water compared to other physicochemical and biological sidestream treatment processes. Münster wastewater treatment plant (WWTP) is the first municipal WWTP in Germany operating a full-scale membrane contactor system to improve the nitrogen elimination and recovery efficiency. Factors influencing the operation and membrane performance are investigated in an accompanying research project. Additional operational aspects of the applied membrane modules are investigated in detail using a bench-scale membrane contactor. First results of the full-scale application demonstrate a high nitrogen removal efficiency of >95%.



2018 ◽  
Vol 2018 (4) ◽  
pp. 118-128
Author(s):  
Eric Auerbach ◽  
Mauro Orpianesi ◽  
Allen Deur ◽  
Dimitri Katehis
Keyword(s):  






2016 ◽  
Vol 73 (11) ◽  
pp. 2789-2803 ◽  
Author(s):  
Heidi Bauer ◽  
Thomas D. Johnson ◽  
Bruce R. Johnson ◽  
David Oerke ◽  
Steven Graziano

Post aerobic digestion (PAD) and anaerobic ammonium oxidation (Anammox) are sidestream treatment technologies which are both excellent options for the reduction of nitrogen recycled back to the liquid stream without the need for supplemental carbon or alkalinity. However, the achievement of this goal is where the similarities between the two technologies end. PAD is an advanced digestion process where aerobic digestion is designed to follow anaerobic digestion. Other benefits of PAD include volatile solids reduction, odor reduction, and struvite formation reduction. Anammox harnesses a specific species of autotrophic bacteria that can help achieve partial nitritation/deammonification. Other benefits of Anammox include lower energy consumption due to requiring less oxygen compared with conventional nitrification. This manuscript describes the unique benefits and challenges of each technology. Example installations are presented with a narrative of how and why the technology was selected. A whole plant simulator is used to compare and contrast the mass balances and net present value costs on an ‘apples to apples’ basis. The discussion includes descriptions of conditions under which each technology would potentially be the most beneficial and cost-effective against a baseline facility without sidestream treatment.





2016 ◽  
Vol 2016 (13) ◽  
pp. 4913-4941 ◽  
Author(s):  
Yun Shang ◽  
Donald Gray ◽  
Michael Falk ◽  
JB Neethling ◽  
Martin Musabyimana ◽  
...  


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