Method for recycling powdery silicon carbide waste products

• Main Authors: ADLER JORG, MAYER-UHMA TOBIAS, SCHICHT THOMAS, HEYMER HEIKE, THIEME PETER
• Format: Patent
• Language: Chinese; English
• Published: 20.07.2016
• Subjects: ADHESIVES; CHEMISTRY; COMPOUNDS THEREOF; DISPOSAL OF SOLID WASTE; DYES; INORGANIC CHEMISTRY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-METALLIC ELEMENTS; PAINTS; PERFORMING OPERATIONS; POLISHES; RECLAMATION OF CONTAMINED SOIL SOIL; TRANSPORTING; WORKING CEMENT, CLAY, OR STONE; WORKING STONE OR STONE-LIKE MATERIALS

The invention relates to the field of technical ceramic and to a method for recycling powdery silicon carbide waste products, such as for example, those present in abrasive slurry or in the production-related waste of silicon carbide. The aim of the invention is to provide a method for recycling powders silicone waste products, in which the powdery SiC waste products can be reused according to a simple and cost-effective method for known products and processes. The aim is achieved by means of a method for recycling powdery silicon carbide waste products, in which powdery SiC-waste products which contain at least 50 Ma.% SiC and have an average particle size d50, measured by laser diffraction, of between 0.5 - 500 [mu]m, are subjected to a thermal treatment in a vacuum or in an atmosphere rich in oxygen at temperatures of at least 2000 DEG C. 本发明涉及到技术陶瓷的领域并且涉及种用于回收粉末状碳化硅废物的方法，这些碳化硅废物例如存在于磨削淤浆中或存在于碳化硅的由生产造成的废料中。本发明的任务是提供种用于回收利用粉末状碳化硅废物的方法，利用该方法使得粉末状SiC废物以简单的且经济的方法对于已知的成品和工艺来说是能重新使用的。该任务通过种用于回收粉末状碳化硅废物的方法来解决，其中，