Pick one 1. Steam distillation + Product can be perfect DI type 1 water - Expensive: 300+ kJ/L 2. RO membrane + Cheaper - Slow - Wastes more water - Requires

Pick one 1. Steam distillation + Product can be perfect DI type 1 water - Expensive: 300+ kJ/L 2. RO membrane + Cheaper - Slow - Wastes more water - Requires regular changing of membranes The end.