A tender for the design of the new terminal will be launched next month, while the construction contract will be auctioned in December.
The concession contract is valued at nearly US$200mn.
The Brazilian state plans to offer concessions for two highways and a bus station, with projected investments put at nearly US$1bn.
Maurício Cezar Duque assumed as new CEO of Bandes with the task of attracting more investments for infrastructure projects.
Built for a municipality in Brazil's Santa Catarina state, the plant will treat 60l/s.
The federal government authorized the Mexican state's water regulator to close construction and operating contracts with third parties.
While Brazil's federal government pressures Rio de Janeiro to fully privatize Cedae, the state governor prefers an IPO with a partial sale of company shares.