A complete range of decanters for wastewater treatment
We offer a complete range of decanter centrifuges for wastewater treatment, sludge thickening and dewatering. From robust i-DW units to state-of-the-art ALDEC G3 VecFlow sludge centrifuge systems. Regardless of your demands or challenges, we have the right machine for you.
Dewatering centrifuges innovating the wastewater industry
When partnering with Alfa Laval, you have full access to our application experts who can advise you on how to optimize your operations. And with the backing of our extensive service network, you always get quick assistance whenever you need it.
Alfa Laval has been leading the wastewater decanter market for decades. With a strong focus on operational reliability, separation performance and high customer value, we continue to innovate centrifuges for wastewater treatment.
Introducing Alfa Laval ALDEC G3 VecFlow™
Alfa Laval ALDEC G3 VecFlow™ is the latest addition to our range of decanter centrifuges for sludge thickening and dewatering. Featuring the unique VecFlow™ feed zone, it offers 30% lower power consumption and higher separation performance than a traditional decanter.
i-Dec
The Alfa Laval i-Dec centrifuge for wastewater treatment offers cost-efficient operation, easy service and high reliability. This is our basic sludge centrifuge, featuring the same high quality as our more advanced models and many of the technical innovations that have made Alfa Laval decanters for wastewater the preferred choice in wastewater plants across the globe.
Available with capacities from 10 to 60 m³/h.
Benefits
- Low power consumption
- Highly reliable operation
- Low investment cost
- Small footprint
- Wear protection coating
- PowerTubes
- Easy to service
Limitations
Aldec
Alfa Laval Aldec decanters bring high separation efficiency, reliable operation and low operating costs to all types of water and wastewater treatment plants. Aldec centrifuge for wastewater treatment is Alfa Laval’s medium range, comprised of a wide variety of sizes. Low power and polymer consumption in combination with easy service make Aldec very attractive in terms of total cost of ownership.
Available with capacities from 3 to 125 m³/h.
Benefits
- High separation performance
- Low power consumption
- Highly reliable operation
- Upgradable to G3
- Replaceable wear protection tiles
- PowerTubes
- Easy to service
Limitations
Aldec G3
The Alfa Laval Aldec G3 is a state-of-the-art decanter centrifuge for dewatering and thickening applications. It offers an ideal solution for duties where high separation performance and low power consumption are required. If your dewatering centrifuges demand maximum separation performance, the lowest possible power consumption, very high capacity and advanced control possibilities, a solution upgrade to the VecFlow™ design is possible.
Available with capacities from 23 to 225 m³/h.
Benefits
- Ideal for demanding sludges with high solids loading
- Equipped with Direct Drive gearbox
- Equipped with either PowerTubes or PowerPlates
- Upgradeable to VecFlow™ feed zone and SuperPond conveyor design
- High separation performance, 1-2% drier solids compared to standard decanters
- Low power consumption - up to 30% lower than standard decanters due to sludge centrifuge upgrades
- Replaceable wear protection tiles
- Advanced control system
- Easy to service
- Available in many materials, including Duplex
Limitations
- Larger footprint than i-Dec
Aldec G3 VecFlow™
Alfa Laval Aldec G3 VecFlow™ is a state-of-the-art decanter for dewatering and thickening applications. It offers an ideal solution for duties where maximum separation performance, lowest possible power consumption, very high capacity and advanced control possibilities are required. Aldec G3 VecFlow™ features the most advanced technology available on the market, including our unique VecFlow™ feed zone and Slimline conveyor.
Aldec G3 VecFlow™ is available with capacities from 23 to 230 m3/h.
Decanter for wastewater - benefits
- Highest performance at the lowest operating cost
- Extremely effective separation, 2% drier solids compared to standard decanters
- Lowest power consumption, 30% lower than standard decanters
- Lowest total cost of ownership
- Upgradeable
- PowerTubes, Slimline conveyor, Direct Drive gearbox and VecFlow™ feed zone
- Replaceable wear protection tiles
- Advanced control system
- Easy to service
- Available in many materials, including Duplex
Limitations
- Larger footprint than i-DW
Overview
| Benefits | i-Dec | Aldec | Aldec G3 |
| Separation performance | ++ | +++ | ++++ |
| Low power consumption per m3 sludge | ++ | +++ | ++++ |
| Low investment cost | +++++ | ++++ | +++ |
| Small foot print | +++++ | +++ | +++ |
| Solids handling | ++ | +++ | +++++ |
| Suitable for demanding sludges | ++ | +++ | +++++ |
| Reject quality | ++ | +++ | ++++ |
| Expandability | ++ | +++ | +++++ |
| Wear protection | ++ | +++ | +++++ |
| Control system | ++ | +++ | +++++ |
Support for Engineering & Construction Contractors
If your business provides engineering, procurement and construction (EPC) services, you know there are never enough hours in the day. There’s always another critical decision demanding your time and attention. So, when selecting heat exchangers for a project, let us support you.
