Municipal Wastewater Treatment Market Size, Share, Growth, and Industry Analysis, By Type (Reverse Osmosis Membranes, Ion-Exchange, Ultrafiltration (UF) Membranes, Electrodeionization (EDI), Biological Filtration, Chemical Conditioning of Water, Others), By Application (Residential Wastewater, Commercial Wastewater), Regional Insights and Forecast From 2026 To 2035