Wastewater

Odor Reduction

Air Products’ Halia^® aeration systems use oxygen rather than air as the aeration gas and can be utilized to reduce odor complaints associated with activated sludge basins. Use of oxygen reduces the total gas flow to the basin by 80% while retaining the same level of oxygen supply required to sustain the biological process. In air systems, the nitrogen present in the air passes through the basin in the gas phase and strips organic compounds from the basin which can contribute to odor issues.

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Halia^® Aeration System for VOC Emissions Reduction.

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Product Name	Description/Benefits	Downloads
Equipment
Halia^® mixer aeration system	The Halia mixer aeration system is our most cost-effective solution for oxygen aeration in activated sludge processes. It consists of oxygen supply — either as liquid oxygen or onsite generation — plus floating oxygen injection/mixing equipment, and it minimizes the need for additional mixing equipment within the basin. This offering is not available in all regions; please check with your local office.	Data Sheet
The Halia mixer aeration system is our most cost-effective solution for oxygen aeration in activated sludge processes. It consists of oxygen supply — either as liquid oxygen or onsite generation — plus floating oxygen injection/mixing equipment, and it minimizes the need for additional mixing equipment within the basin. This offering is not available in all regions; please check with your local office.
Halia^® propeller aeration system	The Halia propeller aeration system consists of oxygen supply — either as liquid oxygen or onsite generation — plus submerged oxygen injection equipment. This system offers low cost capacity increase or retrofit for diffused air systems. It can be wet installed and has low operating costs. The Halia propeller aeration system is uniquely suited for use with onsite oxygen generators.
The Halia propeller aeration system consists of oxygen supply — either as liquid oxygen or onsite generation — plus submerged oxygen injection equipment. This system offers low cost capacity increase or retrofit for diffused air systems. It can be wet installed and has low operating costs. The Halia propeller aeration system is uniquely suited for use with onsite oxygen generators.
Halia^® venturi aeration system	The Halia venturi aeration system consists of oxygen supply — either as liquid oxygen or onsite generation — plus oxygen injection and mixing equipment. This system achieves a high oxygen transfer efficiency with low operating costs. It is flexible across various basin designs or sizes and can be supplied as raft or immersed models.
The Halia venturi aeration system consists of oxygen supply — either as liquid oxygen or onsite generation — plus oxygen injection and mixing equipment. This system achieves a high oxygen transfer efficiency with low operating costs. It is flexible across various basin designs or sizes and can be supplied as raft or immersed models.

Wastewater

Odor Reduction

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