fine bubble aerators 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 ...

Innovative system reduces ammonia at Hawick Sewage Treatment Works

by Water Active Ltd  (Apr. 3, 2013)

Hawick Treatment Works has reduced its ammonia discharge thanks to an innovative aeration system installed by market leaders Suprafilt. Aeration experts Suprafilt designed a highly efficient system using MF1100 plate diffusers, which increased the amount of oxygen to the site providing an instantaneous reduction in ammonia levels. The company, ...

Prairie farm rehabilitation administration paper

by E P Aeration, Inc.  (Mar. 14, 2012)

The aeration efficiency of two types of aeration devices, air injection and mechanical surface aerators was evaluated in farm dugouts in the Peace River Region of Alberta. The air injection systems were tested using three types of diffusers; open-ended tubing, linear fine bubble diffusers and a membrane diffuser. Our results indicate that without ...

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 ...

An assessment of oxygen transfer efficiency in a gas permeable hollow fibre membrane biological reactor

by IWA Publishing  (Mar. 1, 2010)

The clean water oxygen transfer efficiency (OTE) of a full scale non-porous hollow fibre gas permeable (GP) membrane (surface area of 500 m2) was evaluated at inlet air pressures of 1.2, 1.4, and 1.8 atm using two established testing methods. To form a basis of comparison with traditional aeration technologies, additional testing was done with ...

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 ...

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 ...

Kuwaiti WWTP takes integrated biological approach to reduce footprint, cut costs, and improve effluent quality

by Evoqua Water Technologies  (Mar. 7, 2012)

Challenge Mushrif Trading and Contracting Company of Kuwait City is installing a high-performance nutrient removal system to handle 180,000 cubic meters per day (m³/day) average to 270,000 m³/day peak flow at the Kubd wastewater treatment plant (WWTP) outside of the Kuwaiti capital. The solution is based on a biological process ...

Strantrol 890 fine-tunes biological nutrient removal

by Evoqua Water Technologies  (Oct. 18, 2010)

Challenge The 12.5 MGD Fox River Water Pollution Control Center, built in 1974, is a regional treatment plant for the Upper Illinois Fox River Watershed, serving a portion of Brookfield, Wis., and six other member communities. Expanded in 2000, the facility utilizes the activated sludge process that serves as secondary treatment by breaking down ...

Meat processor’s creates new product with treatment.

by Aeration Industries International (AII)  (Dec. 22, 2008)

The AIRE-O2 MICROFLOAT®’s immediate impact was a $100/day chemical savings Problem A southern, USA red meat processor’s wastewater treatment was getting more complex and expensive but still did not yield the expected results. Regulations were getting stricter and stricter as well. The processor was spending US $192 per day on ferric chloride to ...

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