fine bubble aerator Articles

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The principles of aeration and mixing utilizing process aerator technology

by Aeration Industries International (AII)  (Jan. 14, 2011)

Aeration and mixing are necessary elements for aerobic biological wastewater treatment processes to maintain a healthy, stabilized biological population and thus, insure optimal treatment of the wastewater assuming there is adequate contact time and substrate available. In the design of wastewater treatment plants, aeration typically involves ...

Alpha Factors in Full-Scale Wastewater Aeration Systems

by Water Environment Federation (WEF)  (Oct. 22, 2006)

ABSTRACTSurface active agents depress gas transfer at gas-liquid interfaces. They are present as measurable trace contaminants at all environmental and at most industrial gas-liquid interfaces. This paper presents the results of several studies, including lab and full scale studies that show the depression of gas transfer, usually quantified by ...

Aeration Ditch Upgrade Exceeds Expectations case study

by Aeration Industries International (AII)  (Jun. 2, 2015)

Triton Process Aerators Meets Future Nitrogen Permit Regulations When the a Pennsylvania Sewer Authority was researching methods to improve the dissolved oxygen levels in its wastewater treatment plant’s oxidation ditches in 2001, they decided to totally replace its aging brush rotor system. They replaced the rotors with the  ...

Efficient aeration system boosts energy savings

by Aeration Industries International (AII)  (Mar. 10, 2006)

A new efficient aeration system saves the Ontario, Ore., wastewater treatment facility $47,000 annually in energy costs. Besides giving this community a financial boost, the new system netted additional equipment cost savings by cutting aeration horsepower by more than half at the plant. The environmentally conscious city, located in the ...

In Situ Local Parameter Measurements for CFD Modeling to Optimize Aeration

by Water Environment Federation (WEF)  (Oct. 22, 2006)

ABSTRACTMeasurement methods to determine in situ local parameters were developed, in order to optimize design and operating parameters impacting oxygen transfer in aeration tanks equipped with EDPM membrane diffusers and slow speed mixers. New tools to measure bubble sizes and gas hold-ups were coupled with the traditional ones used to determine ...

Improving Efficiency and Reducing Energy and Maintenance Costs in Aeration Systems

by Water Environment Federation (WEF)  (Oct. 13, 2007)

Energy costs for operating an aeration system in a biological wastewater treatment plant often times exceeds 75% of the total energy costs for the plant. Adding in blower and diffuser maintenance costs, Aeration Systems are easily the most costly portion of the treatment process, many times consuming so many resources that other parts of the plant ...

Triton aerator/mixer saves energy & operational costs & reduces carbon footprint

by Aeration Industries International (AII)  (Jun. 18, 2009)

Municipal and industrial users tackle many wastewater treatment challenges at their facilities including meeting more stringent permit limits with limited or declining resources. The ideal solution for today’s professional is finding an innovative technology that offers a cost-effective, sustainable treatment solution that exemplifies ...

BM respirometry study about nitrification inhibition and actual aeration capacity in an activated sludge process

by SURCIS, S.L.  (Apr. 13, 2011)

Study for municipal WWTP in Spain This study is ordered to SURCIS as a consequence of the low process performance, practical absence of nitrification treatment. By other side, the mixed-liquor presented some abnormal features such as weakness, dark colour and abundant white foaming. Data for study interest Aeration system: fine bubble ...

BM respirometry study about nitrification inhibition and actual aeration capacity in an activated sludge process case study

by SURCIS, S.L.  (Nov. 19, 2014)

Study for municipal WWTP in Spain This study is ordered to SURCIS as a consequence of the low process performance, practical absence of nitrification treatment. By other side, the mixed-liquor presented some abnormal features such as weakness, dark colour and abundant white foaming. Data for study interest Aeration system: fine ...

KLa Slot injector™ Aeration system assists cheese & Whey production plant solve its Nitrogen discharge challenge - Case Study

by KLa Systems, Inc.  (Jan. 14, 2015)

The Challenge A gourmet cheese, whey protein, and lactose production facility located in the Midwest had been utilizing a land application system for effluent discharge for over 40 years. Using a combination of ridge and furrow and spray irrigation, the plant had many years of success applying their wastewater to the land. However, as the gourmet ...

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