supported by the National Natural Science Foundation (Grant numbers:50575085,51075163 and 51375187)
A lot of mixed clay-resin waste sand from large-scale iron foundries is discharged every day; so mixed waste sand reclamation in low cost and high quality has a great realistic significance. In the study to investigat...
financially supported by the National Natural Science Foundation of China (No.51075163);the Research Fund for the Doctoral Program of Higher Education of China (No.20100142110017)
The massive amount of sodium silicate in the used sand was a pollution source, especially in the waste water from the wet reclamation of used sand. A new process of wet reclamation by biologically treating the waste w...