Bioproducts for Sludge Reduction in Activated Sludge Systems Treating Oil Refinery WastewaterV.M.F. Alexandre, A.C.F.P. de Cerqueira, V.M.J. Santiago and M.C. CammarotaOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 71 2 (2016) 28DOI: https://doi.org/10.2516/ogst/2015002