Energy efficiency is one of the biggest challenges in wastewater treatment, especially in industries where aeration systems operate continuously and represent a significant share

of total energy consumption.

In this case study, discover how one of Spain’s leading paper manufacturers improved the performance of its wastewater treatment process by replacing outdated positive displacement blowers with Pedro Gil’s TPG200.08 Turbo Blower.

The result: a 50.7% reduction in energy consumption, lower operating costs and a more efficient aeration system aligned with the plant’s sustainability goals.

Download the full case study to learn how advanced turbo blower technology can help reduce energy use in demanding industrial wastewater applications.

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Case Study Overview

This technical case study shows how Pedro Gil helped a major paper producer optimise one of the most energy-intensive stages of its wastewater treatment process: biological aeration.

The plant required a reliable and efficient air supply solution capable of reducing energy consumption without compromising process stability. By integrating the TPG200.08 Turbo Blower, Pedro Gil provided a high-performance alternative to the existing positive displacement blower system.

Key project details

  • Industry: Pulp, paper and printing
  • Application: Wastewater treatment aeration
  • Technology installed: Pedro Gil TPG200.08 Turbo Blower
  • Previous technology: Positive displacement blowers
  • Main result: 50.7% energy consumption reduction
  • Objective: Improve aeration efficiency and reduce operational costs

The Challenge: Reducing Energy Use in Wastewater Aeration

In paper manufacturing, wastewater treatment plays a critical role in ensuring environmental compliance and process continuity. However, aeration is also one of the most energy-demanding operations within the treatment plant.

The customer was operating with older positive displacement blowers, which were no longer the most efficient option for the application. As energy costs increased and sustainability targets became more demanding, the plant needed a solution that could deliver the required air flow with significantly lower power consumption.

The challenge was clear: improve the efficiency of the aeration process while maintaining reliable, stable and continuous operation.

The Solution: Pedro Gil TPG Turbo Blower

Pedro Gil proposed the installation of the TPG200.08 Turbo Blower, a high-efficiency solution designed for applications where energy performance, reliability and process stability are essential.

Unlike traditional positive displacement blowers, turbo blower technology is especially suited to applications with high air demand and continuous operation, such as wastewater treatment aeration. Its design helps reduce energy losses and improves the overall efficiency of the air supply system.

By replacing the existing equipment with a Pedro Gil turbo blower, the plant was able to optimise the energy profile of its aeration process and achieve measurable operational improvements.

Turbo Blower Package

Key Results

The installation delivered a clear and measurable impact on the customer’s wastewater treatment process.

50.7% reduction in energy consumption

The main result of the project was a significant decrease in energy use compared with the previous blower system.

Lower operating costs

By reducing the electricity required for aeration, the plant improved the cost efficiency of one of its most energy-intensive processes.

Improved aeration efficiency

The new turbo blower supplied air more efficiently, helping the wastewater treatment system operate with greater energy performance.

Support for sustainability goals

Lower energy consumption contributed directly to the customer’s environmental and sustainability objectives.

Reliable performance in a demanding industrial environment

The solution was designed to support continuous operation in a real paper manufacturing wastewater treatment process.

Why Turbo Blower Technology Matters in Wastewater Treatment

Aeration systems are essential for biological wastewater treatment, but they can also represent a major part of the plant’s energy demand. For this reason, choosing the right blower technology has a direct impact on operating costs, process stability and long-term sustainability.

Turbo blower technology can offer major advantages in applications where air demand is high and continuous. Their efficiency profile makes them especially relevant for industries looking to modernise existing installations, reduce energy losses and improve total cost of ownership.

For paper producers, where wastewater treatment is a permanent operational requirement, even a small improvement in blower efficiency can translate into substantial annual savings. In this case, the improvement was far greater: a 50.7% reduction in energy consumption.

Why Pedro Gil?

Pedro Gil has extensive experience in blower and pressure technologies for industrial applications where reliability, efficiency and technical adaptation are critical.

Our approach is based on understanding the real operating conditions of each installation. Instead of proposing a standard replacement, Pedro Gil evaluates the process requirements, energy profile and performance objectives to recommend the most suitable solution.

In this project, that approach made it possible to identify a clear opportunity for improvement and implement a turbo blower solution with a direct impact on energy consumption and operating costs.

Pedro Gil brings together:

  • Specialist knowledge in blower and pressure technologies
  • Experience in wastewater treatment and industrial aeration
  • High-efficiency equipment for demanding operating conditions
  • Technical support before, during and after installation
  • Solutions designed to improve reliability and reduce total cost of ownership

Download the Full Case Study

Get the complete case study and discover how Pedro Gil’s TPG200.08 Turbo Blower helped a leading paper manufacturer reduce energy consumption by 50.7% in its wastewater treatment process.

Inside the case study, you will find:

  • The customer’s initial challenge
  • The previous blower configuration
  • The Pedro Gil solution installed
  • The energy savings achieved
  • The benefits for wastewater aeration efficiency
  • The impact on operating costs and sustainability

Complete the form above to download the full technical case study.