Complete Line of Fishmeal and Oil Production Line According to the different process for treating the protein water from centrifuge, we could provide 4 plans for the fish meal plant layout for choice Respectively. PLAN 1 Directly discharge protein water; PLAN 2 Directly recycle all protein back to Drier; PLAN 3 Protein water back to Drier after concentrated; PLAN 4 Concentrate protein water to produce fish soluble paste.