Wastewater Treatment Systems Market by Technology (Membrane Bioreactor (MBR), Reverse Osmosis (RO), Ultrafiltration (UF), Evaporation & Crystallization, Biological Treatment), by Application (Municipal Wastewater Treatment, Industrial Wastewater Treatment, Agricultural Wastewater Treatment, Commercial Wastewater Treatment), by End-User Industry (Power Generation, Food & Beverage, Pharmaceuticals, Mining, Oil & Gas, Chemicals, Textile), and by Region; Global Insights & Forecast (2024-2030)