WWTP for Non-alcoholic Coca-Cola 500 CMD in Iran

Hi everybody, I want to design a WWTP for non-alcoholic Coca-Cola drink for RO feed. COD=7000 ppm BOD=3400 TSS=45 Nitrate: 0.8 Sulfate=60 Sulfide 41 pH=10.3 P=5.3 Which method is preferred?