PROCESS FOR MANUFACTURING CLINKERS

摘要

14 Process for the production of clinkers : In a process for the production of clinkers from sludges containing heavy metals, especially electroplating sludges, river and/or harbor sludges, in which the sludges are mixed with clay, especially brickyard clay, and optionally lean materials and fluxing materials and then are burned to clinkers especially at temperatures between 750 and 1150.degree.C, zeolites are admixed with the sludges and the clay before the burning.