Municipal wastewater treatment

Alfa Laval helps reduce the environmental footprint from water and waste streams, by maximizing reuse of water, by turning waste to value, and by minimizing energy consumption and waste. We offer a complete spectrum of equipment for wastewater treatment, filtration and sludge treatment that helps produce clean effluent water for discharge or water reuse, recover heat and reduce the amount of sludge for disposal.


Process and product overview

wastewater treatment process diagram

With Alfa Laval as your partner, you gain the dual advantage of access to leading wastewater expertise as well as one of the widest equipment ranges for wastewater treatment.

Sequencing batch reactor

Biological wastewater treatment

Introducing the new Alfa Laval ALDEC G3 VecFlow™

Get unmatched efficiency for dewatering and thickening of wastewater sludge.

Products and knowledge to help you optimize your wastewater treatment plant

Our wastewater treatment experts are happy to assist contractors, designers and plant operators by giving advice on how to optimize operations. Regardless of whether it is a municipal or industrial wastewater plant, new or old, we can help you:

  • lower the total operating costs (energy, maintenance, etc.)
  • maximize resource reuse (water, nutrients)
  • reduce energy use, polymer consumption and disposal costs
  • optimize cake dryness and effluent quality
  • increase capacity
  • minimize engineering and investment costs
  • reduce installation and start-up costs
  • ensure on-time project completion
  • optimize investment and operational costs

Solutions for the Circular Economy

More and more wastewater treatment plants are discovering the benefits of a circular, holistic approach to wastewater treatment. Cost savings, reduced environmental impact and new income streams from recovered resources are but a few. Every wastewater treatment plant is unique and has its own set of challenges and opportunities. With our expertise in processing and our broad range of products, we can support your shift to a circular resource flow. Regardless of whether you are a contractor, designer or plant operator we can help you find the optimum solution for your specific project.

Why work with us?

With Alfa Laval as your partner the process is simplified. Whether you build or operate a wastewater plant you get access to:

  • Industry-leading wastewater expertise based on the experience from thousands of installations
  • One of the widest product ranges for wastewater treatment, covering a variety of different technologies
  • Assistance in analysing your unique situation and selecting the optimal equipment for your needs and budget.

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