{"id":11179,"date":"2026-04-30T12:14:54","date_gmt":"2026-04-30T12:14:54","guid":{"rendered":"https:\/\/staging.ide-tech.com\/?p=11179"},"modified":"2026-04-30T12:40:43","modified_gmt":"2026-04-30T12:40:43","slug":"why-90-recovery-is-the-new-benchmark-for-uk-water-recycling","status":"publish","type":"post","link":"https:\/\/staging.ide-tech.com\/en\/blog\/why-90-recovery-is-the-new-benchmark-for-uk-water-recycling\/","title":{"rendered":"Why 90% Recovery Is the New Benchmark for UK Water Recycling"},"content":{"rendered":"

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The\u00a0UK\u00a0water sector is entering a decisive decade. With supply\u2013demand deficits forecast across multiple regions, tighter environmental abstraction limits and AMP8 placing renewed emphasis on resilience and efficiency, water recycling is moving from contingency planning to core strategy. Yet as schemes progress from concept to delivery, one issue consistently shapes viability:\u00a0<\/span>Residual liquid brine<\/span>. The ability to reduce brine volumes is no longer a technical optimization. Sometimes,\u00a0it is central to whether inland recycling projects can be delivered\u00a0in a\u00a0cost-efficient\u00a0way.<\/span>\u00a0<\/span><\/p>\n

The\u00a0UK\u00a0water sector is approaching a structural inflection point.<\/span>\u00a0<\/span><\/p>\n

Water Resource Management Plans increasingly highlight a widening supply\u2013demand gap. Rising population, more variable weather patterns, stricter environmental protections and limited abstraction headroom are placing pressure on existing water sources.<\/span>\u00a0<\/span><\/p>\n

Water Resource Management Plans<\/span><\/a>\u00a0from\u00a0UK\u00a0water companies show a growing imbalance between future supply and demand, with a greater reliance on new sources such as recycling, desalination and reservoirs to meet needs out to 2050.\u00a0<\/span>The Environment Agency\u00a0<\/span><\/a>has emphasised that water recycling is needed to address pressures driven by population growth, climate change and drought resilience. Meanwhile,\u00a0<\/span>AMP8 is shaping up<\/span><\/a>\u00a0as a critical regulatory period focused on innovation, resilience and delivering new supply options alongside traditional approaches.\u00a0<\/span>\u00a0<\/span><\/p>\n

For many Water and Sewerage Companies (WaSCs), the question is no longer whether water recycling will form part of the long-term portfolio, but how quickly it can be deployed within AMP8 and subsequent regulatory periods.<\/span>\u00a0<\/span><\/p>\n

Recycling treated effluent into a reliable resource reduces pressure on stressed catchments, supports drought resilience and aligns with the circular economy objectives embedded in UK\u00a0infrastructure policy. However, as schemes move from feasibility studies to outline design, a persistent technical constraint emerges: Concentrate management.<\/span>\u00a0<\/span><\/p>\n

Reverse Osmosis: Essential, Yet Historically Limited<\/span><\/b>\u00a0<\/span><\/p>\n

Reverse osmosis (RO)\u00a0<\/span><\/a>is widely recognised as the primary barrier technology for advanced municipal recycling. It provides robust removal of dissolved salts, pathogens and emerging contaminants, including PFAS and other micropollutants of regulatory interest.<\/span>\u00a0<\/span><\/p>\n

For indirect potable reuse and high-grade industrial supply, RO remains central to the treatment train.<\/span>\u00a0<\/span><\/p>\n

Yet conventional RO systems typically operate at 75\u201380% recovery.<\/span>\u00a0<\/span><\/p>\n

In practical terms, this means that 20\u201325% of the feedwater becomes concentrate (brine). For coastal desalination, this may be manageable. For inland UK recycling schemes, it can become the defining constraint.<\/span>\u00a0<\/span><\/p>\n


\nWhy Recovery Traditionally Stops at 80%<\/span><\/b>\u00a0<\/span><\/p>\n

Two principal mechanisms limit recovery:<\/span>\u00a0<\/span><\/p>\n