摘要: <P class=MsoNormal><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"">针对目前磷资源日渐枯竭的世界性问题,根据中国目前中、低品位磷矿居多的现状,加强利用中、低品位磷矿,扩展磷矿资源可利用范围,是解决磷资源匮乏的当务之急。提出了利用中、低品位磷矿生产优质磷酸,介绍了国内外盐酸法、窑法和循环法磷酸的情况,以及各个方法的基本原理、工艺过程、工艺条件、主要设备;同时,比较了上述</SPAN><SPAN lang=EN-US>3</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"">种方法的优缺点,分析了各自的应用范围及优势所在。介绍的这些工艺路线可为中国中、低品位磷矿的利用提供参考和借鉴。<BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"">中图分类号:</SPAN><SPAN lang=EN-US>TQ126.31 </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"">文献标识码:</SPAN><SPAN lang=EN-US>A </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"">文章编号:</SPAN><SPAN lang=EN-US>1006-4990(2009)<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chsdate w:st="on" IsROCDate="False" IsLunarDate="False" Day="5" Month="1" Year="2002">02-0001-05<BR></st1:chsdate></SPAN></P>