The Africa Zero Liquid Discharge (ZLD) System market is stand at USD 33.9 million in 2025 and is expected to reach at USD 58.5 million by 2035, achieving a CAGR of 5.6%. Hybrid ZLD systems hold the largest share with industrial wastewater treatment driving demand. South Africa is expected to grow fastest, with a CAGR of 5.3% over the forecast period. Leading key players include Veolia Water Technologies, SUEZ Water Technologies & Solutions, and Aquatech International.