专利内容由知识产权出版社提供
专利名称：Process and plant for producing calcine
products
发明人：Joerg Hammerschmidt,Bernd
Kerstiens,Peter Sturm
申请号：US13003307申请日：20090710公开号：US08337801B2公开日：20121225
专利附图：
摘要：A process for producing calcine products includes dead roasting a metal sulfideconcentrate having a low sulfur content. The concentrate is roasted in a circulating
fluidized bed at a temperature of about 950 to 1050° C. A waste gas of the fluidized bedis passed through at least one of a recuperator and a Venturi drier so as to respectivelyprovide at least one of a preheating of at least a portion of air fluidizing the fluidized bedand a drying of at least a portion of the concentrate to be roasted. The calcine productobtained in the fluidized bed with a sulfur content of less than 1 wt-% is provided forfurther processing.
申请人：Joerg Hammerschmidt,Bernd Kerstiens,Peter Sturm
地址：Bad Homburg DE,Rosbach v.d. Hoehe DE,Karben DE
国籍：DE,DE,DE
代理机构：Leydig, Voit & Mayer, Ltd.
更多信息请下载全文后查看
