What is the best option available to recycle the treated wastewater of a textile mills ?

Dear friend, what is the best option available to recycle the treated wastewater of a textile mills? Output of wastewater treatment plant have characteristics (Feed to Recycling Unit) BOD 50mg/l, COD 110 mg/l, TSS 50 mg/l, TDS 2,500 mg/l, Total Hardness 450 mg/l, Chloride 585 mg/l, Sulphate 151 mg/l, Required Output after Recycling Unit is of TDS 800 mg/l. Which Scheme is the most suitable one (in sense of economics and better output) Zeolite Filter + RO UF + RO Only RO Only Nano Filtration Your valuable feed back will assist in deciding the right solution, thank you.