Aeration systems for wastewater
treatment plants
Aeration systems for wastewater treatment plants, fine-bubble disc diffusers and fine-bubble tubular diffusers designed and manufactured by Geotierre for the treatment of municipal, domestic and industrial wastewater.
For over 40 years, we have been developing reliable and efficient Made in Italy solutions, designed to improve oxygen transfer efficiency and promote energy savings. Our expertise in wastewater aeration enables us to reduce the energy consumption of treatment plants and enhancing treatment process performance.
Aeration diffusers for biological wastewater treatment plants
A complete range of diffusers and aeration systems for wastewater treatment: uniform air distribution, reliability, consistent performance over time and low energy consumption.
Our product range includes Ecoflex disc diffusers, Tuboflex tubular diffusers, Newair sintered HDPE diffusers, EPDM diffusers, silicone diffusers, Ecoquarz ceramic diffusers and MBBR systems for attached biomass, as well as fine-bubble and coarse-bubble aeration systems. Every product is designed, manufactured and tested at our facility in accordance with an ISO 9001:2015 certified quality management system.
Geotierre: manufacturer of diffusers and aeration systems for wastewater treatment plants
Geotierre designs and manufactures diffusers and aeration systems for the treatment of municipal, domestic and industrial wastewater. Our field experience has made us a leading manufacturer of disc diffusers, tubular diffusers and other fine- and coarse-bubble aeration systems for biological wastewater treatment plants using MBR, SBR and MBBR processes.
Our philosophy combines manufacturing expertise, technical innovation, energy efficiency and a commitment to sustainability, with the aim of providing reliable, efficient and durable solutions.
Discover Geotierre →Efficient aeration systems:
performance and energy savings over time
Technology for efficient wastewater aeration
Geotierre diffusers are designed to maximise oxygen transfer efficiency (SOTE and SOTR), promoting uniform air distribution throughout wastewater treatment plants.
- Compression-moulded silicone, NBR and EPDM membranes with no added plasticisers
- Diffuser body made of PP with 30% glass fibre reinforcement
- Swing check valve
- Newair diffusers with sintered HDPE diffusion plates
- Threaded retaining ring
Diffuser maintenance and consistent performance over time
Proper air diffuser maintenance helps limit pressure drop, energy consumption and fouling, keeping the entire aeration system efficient. Geotierre supplies replacement parts for:
- Silicone and EPDM membranes for Ecoflex® diffusers
- Silicone and EPDM membranes for Tuboflex® diffusers
- Individual components for the entire diffuser range
Our commitment to sustainable wastewater aeration
Geotierre develops sustainable aeration systems designed to improve oxygen transfer efficiency and help reduce energy consumption in wastewater treatment plants.
Efficient and durable diffusers designed to simplify maintenance, reduce replacements and limit waste and environmental impact. Our approach to sustainable wastewater treatment combines performance, energy efficiency and a longer service life for aeration systems.
Discover our commitment →
From the world of Geotierre
Geotierre presents its new website and updated product catalogue, featuring a completely renewed structure, design and content.
From 4 to 7 May, Geotierre will be at IFAT Munich, Hall A3, Stand 445, to present its solutions.
Frequently asked questions about aeration and diffusers
What are aeration systems for wastewater treatment plants used for?
Aeration systems for wastewater treatment plants introduce air and oxygen into biological treatment tanks, promoting wastewater oxygenation. Proper wastewater aeration improves microorganism activity, optimises oxygen transfer and contributes to the plant’s energy efficiency.
Which diffusers are used for wastewater treatment?
Different types of diffusers can be used for wastewater treatment, including Ecoflex disc diffusers, Tuboflex tubular diffusers, Newair HDPE diffusers, EPDM diffusers, silicone diffusers and Ecoquarz ceramic diffusers. The choice depends on the plant and tank type, required airflow, pressure drop and oxygen transfer efficiency targets.
Why is diffuser maintenance important?
Diffuser maintenance is important for maintaining aeration system efficiency, reducing pressure drop and limiting energy consumption. Periodically inspecting diffuser membranes, check valves, replacement parts and components helps prevent fouling, performance loss and uneven air distribution.
What is the difference between fine-bubble, disc and tubular diffusers?
Fine-bubble diffusers distribute air through microbubbles in oxidation tanks, improving oxygen transfer and the plant’s energy efficiency. Fine-bubble disc diffusers are ideal for creating uniform, modular aeration grids, while tubular diffusers offer a large diffusion surface and are particularly suitable for tanks with specific installation requirements. The most appropriate solution depends on tank size, required airflow and the characteristics of the wastewater treatment plant.
Find the right aeration system for your plant
The Geotierre technical team is available to provide product information, support in selecting fine- or coarse-bubble diffusers and guidance on the aeration systems best suited to the characteristics of your wastewater treatment plant. Contact us to identify the most suitable aeration system for treating municipal, domestic or industrial wastewater.
The catalogue of diffusers and aeration systems
Explore our complete range of fine-bubble disc diffusers, tubular diffusers, aeration systems and components for wastewater treatment. The Geotierre diffuser catalogue provides information on our products, available materials, main applications and the technical features of our solutions.
Download the complete catalogue (PDF)
