4Hempelann, R, Lehnberger, A. Design of sugar refineries-practical experience from executed projects[C]. SIT conference 2009, New Orleans, #970.
5Bourzutschky, H. C. C. Color formation and removal-options for the sugar and sugar refining industries [J]. a review. Zuckerind. 130(2005) Nr.6, S. 470-475.
6Gula, F, Paillat, et,al. Decolroization of refinery liquors: A technical and economic comparision between the different systems using activated carbon or resins [J]. Int. Sugar J. 107(2005)Nr. 1276, S. 235-240.