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Alfa Laval launches new waste heat recovery boiler for cruise vessels. September 5, 2026 Alfa Laval has launched Hukka-5, a new exhaust gas steam boiler designed for cruise vessels and passenger ferries. The company introduced the system at SMM 2026. Hukka-5 uses exhaust gas waste heat to generate steam. This can help vessels reduce fuel consumption and CO[2] emissions. The new boiler is available immediately for project orders. New design targets greater energy efficiency. Hukka-5 introduces a downward natural circulation design. Natural circulation removes the need for circulation pumps. Instead, the system uses physical principles to circulate water through the boiler. According to Alfa Laval, the new design allows operators to recover more waste heat without increasing the equipment footprint. This is particularly important on cruise vessels, where space inside funnels is limited. The system is designed for vessels with four-stroke engines. Alfa Laval sees particular potential for cruise ships and ferries with frequent port calls. "Our previous state-of-the-art WHR boiler, Aalborg XWi, set the standard for natural circulation on cruise vessels," said Matti Takasuo, General Manager for BD & Sales for Power, Offshore & Cruise at Alfa Laval. He added that Hukka-5 can recover more waste heat without requiring additional space. Hukka-5 supports alternative fuels. The Hukka-5 forms part of Alfa Laval's Hukka exhaust gas steam boiler range. The range can work with engines and gas turbines using different fuels, including methanol and hydrogen. Its modular design also allows operators to select different heat recovery configurations. In addition, electrical steam generation can be integrated into the system. This can support steam production during port stays when shore power is available. Alfa Laval targets lower fuel use and emissions. By recovering energy from exhaust gases, Hukka-5 can reduce the amount of additional fuel required for onboard energy needs. Alfa Laval said this can lower operating costs and CO[2] emissions. The company has completed more than 1,300 waste heat recovery boiler installations for cruise vessels and passenger ferries since 2000. According to Alfa Laval, these systems currently reduce CO[2] emissions by more than 10 million tonnes annually.

Alfa Laval launches PureBallast 3 Ultra Skid ballast water management system. September 3, 2026 (C) Alfa Laval Alfa Laval unveiled PureBallast 3 Ultra Skid, a new skid-mounted version of its PureBallast 3 Ultra ballast water management system, at SMM 2026. Developed in response to customer demand, the PureBallast 3 Ultra Skid combines the system's biological treatment performance with a prefabricated design that minimizes footprint and installation time. As shipyards face increasing pressure to reduce installation time and improve standardization, demand for factory-assembled turnkey ballast water management solutions has grown. The PureBallast 3 Ultra Skid addresses these requirements by delivering the complete treatment system preassembled on a compact skid with prefabricated piping, tested and ready for installation. Rather than installing individual components separately onboard, shipyards receive a standardized module that significantly reduces engineering effort and installation complexity. PureBallast 3 Ultra Skid builds on the same advanced treatment technology introduced with PureBallast 3 Ultra. Operating without chemicals, the automated inline system combines high-performance filtration with enhanced UV treatment to deliver superior biological disinfection performance across fresh, brackish and marine waters, including challenging low-clarity conditions. With environmental regulations in the maritime industry continuing to tighten, this level of performance across the full range of water conditions is engineered to keep vessels compliant wherever they operate. Optimized reactor design supports effective treatment with low energy consumption, while the compact skid minimizes the overall system footprint. Engineered entirely by Alfa Laval, the skid is delivered fully assembled, factory tested and ready for connection, helping shipyards simplify installation, shorten installation schedules and reduce project complexity. The skid is available for capacities ranging from 32 to 600 m^3/h. All PureBallast 3 Ultra systems, including the new skid version, are delivered connectivity-ready, enabling remote monitoring and optimized service support throughout the vessel's lifetime. The system is type approved by IMO and the U.S. Coast Guard (USCG) and is designed for ballast water treatment across all water salinities.

Alfa Laval to supply electrolyser cooling technology for Moeve's 300 MW Onuba Green Hydrogen project. Alfa Laval has been selected to provide critical cooling technology for Moeve's Onuba H2 project in Huelva, Spain, a 300 MW green hydrogen development that is set to become the largest electrolyser plant in Southern Europe. The project, located at Moeve's La Rábida Energy Park, forms the industrial anchor of the Andalusian Green Hydrogen Valley. Its initial 300 MW of electrolysis capacity could later be expanded by another 105 MW, while planned green hydrogen production is expected to reach approximately 45,000 tonnes per year. Alfa Laval will supply a total of 60 heat exchangers for the facility, covering balance-of-plant cooling, electrolyser cooling and gas cooling. The equipment will help maintain the operating conditions required for efficient, reliable and safe large-scale hydrogen production. Cooling technology for large-scale green hydrogen production. Thermal management is an important part of electrolyser operation, particularly as green hydrogen projects move towards larger industrial capacities. For Onuba H2, Alfa Laval's heat-transfer equipment will be integrated into different parts of the electrolysis system to manage temperatures during hydrogen production and associated processes. "We are honored to contribute with our expertise and technology to the Onuba H2 project, which stands at the forefront of Europe's energy transition," said Thomas Møller, President of Alfa Laval's Energy Division. He added that the company's heat-transfer technologies are intended to support efforts to decarbonise industry and transport while contributing to European energy security. Onuba H2 targets 45,000 tonnes of green hydrogen annually. Led by Moeve, Onuba H2 is positioned as a major component of Spain's emerging renewable hydrogen industry. The project is expected to produce 45,000 tonnes of green hydrogen annually, providing renewable hydrogen for applications aimed at reducing emissions from transport and industrial activities. The development is part of the wider Andalusian Green Hydrogen Valley, which has been recognised by the European Commission as a Project of Common Interest (PCI). According to Alfa Laval, the designation can facilitate access to public grants and subsidies. The project is particularly focused on sectors where direct electrification can be difficult, including energy-intensive industries and heavy transport. Renewable hydrogen can replace more carbon-intensive fuels and feedstocks in some of these applications. Andalusia builds its green hydrogen industry. The Onuba H2 project is designed to take advantage of Andalusia's renewable energy resources, existing industrial infrastructure and strategic location. For Alfa Laval, participation in the project also highlights the wider supply chain required to move green hydrogen production to industrial scale. Electrolysers represent the core production technology, but large facilities also depend on supporting systems for cooling, gas handling and other balance-of-plant functions. With 300 MW planned initially, a potential additional 105 MW and expected production of 45,000 tonnes of green hydrogen per year, Onuba H2 is set to become a significant part of the Andalusian Green Hydrogen Valley and Moeve's renewable hydrogen ambitions in Spain.