en.Wedoany.com Reported - Maynilad Water Services Inc. has awarded Acuriant Technologies, Inc. the first phase of a 100 million liters per day (100 MLD) ceramic ultrafiltration retrofit project at the Putatan Water Treatment Plant 1 (PWTP-1) in Metro Manila, Philippines. The retrofit aims to replace the existing polymeric ultrafiltration units at the plant.
The first phase covers a capacity of 50 million liters per day (50 MLD). The second phase is expected to commence in the second half of 2026, with the full 100 MLD retrofit target set for completion by mid-2027.
The project will utilize Acuriant's Nanostone ceramic ultrafiltration technology. Maynilad confirmed in an official project announcement that the ultrafiltration membranes at PWTP-1 will be replaced in phases with ceramic ultrafiltration membranes. PWTP-1 treats raw water from Laguna de Bay, which Maynilad has previously described as highly challenging due to increasingly variable raw water conditions. The ceramic ultrafiltration retrofit aims to enhance PWTP-1's ability to handle changes in influent conditions when treating this water source.
Acuriant stated that the Nanostone ceramic ultrafiltration platform is specifically designed for water treatment applications with variable and demanding influent conditions. Ceramic membranes can withstand high solid loads and challenging feed water quality while tolerating chemical and mechanical cleaning. The technology also provides high treatment capacity within a compact footprint, which is particularly important for retrofit projects where equipment must fit within existing plant layouts.
Prior to this project, Maynilad had already adopted ceramic ultrafiltration technology at a 20 million liters per day (20 MLD) modular treatment plant for Laguna de Bay water, which was commissioned in 2024. Acuriant's involvement at PWTP-1 began with a pilot demonstration in November 2023, which evaluated the performance of ceramic ultrafiltration in treating Laguna de Bay water under both design and non-design conditions. Stable operation during the pilot led Maynilad to commission a full-scale 20 MLD ceramic ultrafiltration facility, which has been operating at full design capacity since December 2024. According to Acuriant, the facility has continued to operate and produce water meeting drinking water standards during periods when turbidity exceeded the original design basis, including during extreme weather events.
First water production from the latest project's first phase is scheduled for the end of December 2026, with full capacity for the first phase targeted for March 2027.
Juergen von Hollen, CEO of Acuriant Technologies, stated that the Putatan project reflects the partnership established between Maynilad and Acuriant over the past few years, with the pilot project and subsequent facility providing a basis for decision-making, allowing the team to evaluate ceramic ultrafiltration technology under real operating conditions. Maynilad is the concessionaire for water supply and wastewater systems in the West Zone of Metro Manila, serving parts of Metro Manila and Cavite Province. Acuriant is a membrane technology company providing ceramic and polymeric filtration and separation systems for municipal and industrial markets, headquartered in Boston with manufacturing facilities in Germany and the United States.
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