The INVENT TEX-FLEX®-Aeration System with its extremely durable textile membrane specifically for the use in deep basins, as well as for media in which conventional membrane materials are not suitable.
TEX-FLEX®-Aeration System
Product Information
The TEX-FLEX®-Aeration System was especially developed for use in problematic wastewater. It consists of one or more aerator grids connected to the main supply line at the basin edge via a common pipeline.
The combination of a rugged stainless steel body enveloped by a highly resistant textile membrane makes the system perfectly suited for use in deep pools, as well as wastewater contaminated with oil, grease, acids and solvents.
Conventional rubber membranes are typically subject to natural aging and wear. The textile membrane, which is highly resistant to chemicals and heat, provides a reliable alternative.
The system delivers efficient oxygen supply and excellent mixing in the biological stage with minimal pressure drop.
It is low maintenance, quick and easy to install, and can also be produced as a lift-out version. This means that it can be lifted in and out even when the basin is full.
| Designation | Value |
| Amout of Air | 1 – 25 Nm³/h |
Membrane Material | Polyester Fabric |
| Material Support Tube | 1.4301 |
| Material Air Distributor | 1.4301 |
| Diameter Pipe | 60,3 mm |
| Dimensions Air Diffuser | 100 x 100 mm |
| Aktive Membrane Length | 990 mm |
| Bubble Diameter | 3 – 5 mm |
| Pressure Drop | 5 – 20 mbar |
Brasschaat, Belgium
Plant: WWTP Brasschaat, Belgium
Contractor: Aquafin, Belgium
Type of Plant: Municipa Wastewater Treatment Plant
Start-up Year: 2005
Application:
- Aeration of sludge tank for nitrification
Scope of Delivery:
Tønsberg, Norway
Plant: WWTP Exxon Mobile Slagen Refinery, Norway
Contractor: ATEK Avvattningsteknik AB
Type of Plant: Industrial Wastewater Treatment – Refinery Industry
Start-up Year: 2014
Application:
- Aeration for TOC/COD-Removal and Nitrification
Scope of Delivery:
- Engineering & Design
- 180 TEX-FLEX®-Aeration System
- Installation & Start-Up
Fiskeby, Sweden
Plant: WWTP Fiskeby, Sweden
Contractor: ATEK Avvattningsteknik AB
Type of Plant: Industrial Wastewater Treatment
Start-up Year: 2010
Application:
- Aeration for BOD elimination
Scope of Delivery:
Östrand, Sweden
Plant: WWTP SCA Östrand, Sweden
Contractor: ATEK Avvattningsteknik AB
Type of Plant: Industrial Wastewater Treatment – Pulp and Paper Industry
Start-up Year: 2003
Application:
- Aeration in excess sludge tanks
Scope of Delivery:
- 756 TEX-FLEX®-Aeration Systems
- Installation & Start-Up
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Aeration Systems for Modern Wastewater Treatment
Applications of the INVENT TEX-FLEX®-Aeration System
BOD or COD degradation
Reliable oxygen supply for microorganisms during biological pollutant reduction: The TEX-FLEX®-Aeration System is a dependable solution for the biological degradation of carbon in aeration tanks. Its wide control range allows for flexible adjustment to load fluctuations.
Nitrification
Nitrification describes the bacterial conversion of ammonia (NH3) or ammonium ions (NH4+) into nitrate (NO3−). This process occurs in two steps: first, ammonia is oxidized to nitrite, followed by the oxidation of nitrite to nitrate.
The TEX-FLEX®-Aeration System delivers the required oxygen with high efficiency, thereby minimizing operating costs.
Aeration in very deep basins
In very deep tanks, membrane aerators are often exposed to significant thermal stress due to the intense heat generated as air is compressed under high hydrostatic pressure. The TEX-FLEX®-Aeration System, with its robust design featuring stainless steel support structures and a temperature-resistant polyester membrane, is ideally suited for operation at temperatures of up to 160°C.
Aeration in basins with problematic wastewater
In industrial wastewater treatment, substances such as fats and oils can degrade the membranes of aeration systems, reducing their elasticity. This results in increased pressure loss, lower efficiency, and a shorter system lifespan. The TEX-FLEX®-Aeration System is equipped with a plasticizer-free, temperature-resistant polyester membrane that maintains consistent properties throughout its service life, ensuring reliably efficient aeration even in wastewater containing aggressive chemicals.
