The activated persulfate oxidation systems market is projected to grow from USD 414.4 million in 2026 to USD 1,017.6 million by 2036, at a CAGR of 9.4%. Alkaline-Activated Persulfate will dominate with a 32.0% market share, while groundwater & aquifer remediation will lead the target contaminant segment with a 36.0% share.