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Smart Packaged Wastewater Solutions

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Aspiral™ Smart Packaged Wastewater Solutions

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Aspiral uses MABR technology in modular containers for effective, scalable, and sustainable wastewater treatment in a small package

Aspiral is a smart wastewater treatment solution that packages Fluence’s innovative membrane aerated biofilm reactor (MABR) technology in standard shipping containers. This modular solution produces a very high quality effluent and reduces energy usage for aeration by up to 90% compared to conventional methods.

Aspiral is an ideal solution for small- to medium-sized plants serving small towns, villages, residential communities, resorts, hotels, commercial complexes, and more. Aspiral's efficiency makes it suitable for decentralized treatment off the grid since its low energy needs can be supplied by alternative sources.

The Aspiral line offers several model sizes and configurations, with treatment capacities starting at 20 m3/d, depending on the effluent requirements. Several containers may be connected in parallel to handle large quantities of effluent. For operating ease, the systems can be remotely monitored and controlled with our Smart Operations suite.

Smart Packaged Wastewater Treatment Technologies

Aspiral containers each feature from one to five MABR units. MABR treats wastewater with a spirally wound membrane envelope submerged in a tank. Passive aeration takes place with air pumped into the membrane at near-atmospheric pressure. A biofilm that forms on the membrane is responsible for a simultaneous nitrification-denitrification process that produces a high-quality effluent that meets California's Title 22 standards for water reuse, China's Class 1A and IV standards, as well as many other national and regional effluent requirements.

All process units -- for example, the mechanical screen and secondary clarifier -- are customized for each installation, and the plumbing between the main process units is installed onsite.

Pretreatment includes fine (1 mm) screening, which is followed by oil and grit removal if required. MABR treatment removes up to 90% of Total Nitrogen (TN) and Total Phosphorous (TP). Chemicals are used only when additional removal is required.

Tertiary treatment such as filtration and disinfection are compatible with the process and can be provided separately, or inside the container with Aspiral Plus.

The Benefits of Aspiral™

  • High Effluent Quality
    MABR's efficient nutrient removal produces high-quality water suitable for use in irrigation or discharge into the environment.
  • Simultaneous Nitrification and Denitrification
    A biofilm that forms on the spirally wound membrane supports simultaneous nitrification-denitrification (SND) for high nutrient removal.
  • Low Maintenance and Operation Costs
    Aspiral's simple design means low maintenance and operation costs, and the systems can be remotely operated and controlled. The MABR technology also reduces the need for added carbon.
  • Energy Efficiency
    Fluence's MABR modules use low-pressure passive aeration, which reduces the energy used for aeration by up to 90%. This low energy consumption allows for decentralized treatment off the power grid.
  • Low Odor and Noise
    Using passive aeration not only saves energy, but it also lowers levels of noise and odor for neighborhood-friendly operation.
  • Flexibility and Scalability
    Fluence Aspiral MABR solutions are available as decentralized, scalable, easily portable systems packaged in standard shipping containers.

Is Aspiral right for your wastewater treatment needs? Contact our experts to learn more about MABR and to discuss your next project.

What is Aspiral™?

Fluence’s Aspiral is a smart wastewater treatment solution that packages Fluence’s best-in-class membrane aerated biofilm reactor (MABR) technology in standard shipping containers. This modular solution uses simultaneous nitrification-denitrification for high nutrient removal and reduces energy usage for aeration by up to 90% compared to conventional methods.

The Aspiral Family of solutions offers several model sizes and configurations, and multiple units can be used in tandem to handle large quantities of effluent.

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Featured Aspiral™ Case Studies

Aspiral™ Wastewater Treatment for Highway Service Area

In China, a Fluence Aspiral system was chosen to provide a highway service area with decentralized, environmentally friendly wastewater treatment. Because the area includes restaurants, accommodations, and shopping, the plant had to be aesthetically pleasing and environmentally friendly, with minimal noise and odor. The 200 m³/d plant was commissioned within two months.

Aspiral™ Wastewater Treatment for Worker Encampment

When an RV park for oilfield workers in Carlsbad, New Mexico, needed to bring its wastewater disposal into compliance, it installed an Aspiral Smart Packaged wastewater treatment plant, meeting regulations and producing water to be used for dust control.

Aspiral™ Wastewater Treatment for Environmental Quality

A Chinese town, which had been discharging sewage directly into a local river, is now producing Class 1A effluent for release. In the past, domestic wastewater from local residents was discharged directly into the Zhixi River without treatment, which seriously affected the local environment. Now the town has an 800 m³/day Aspiral™ decentralized plant that's producing an effluent that meets Class 1A standards.

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