公开(公告)号：US06761864B2

公开(公告)日：2004-07-13

申请号：US09999480

申请日：2001-10-31

申请人： Raksh Vir Jasra ,  Pravinchandra Mahasukhray Oza ,  Rajesh Shantilal Somani ,  Jatin Rameshchandra Chunnawala ,  Mrunal Vinodbhai Sheth ,  Vikram Vinodrai Thakkar ,  Yogiraj Mansukhlal Badheka ,  Jayalekshmy Ayyer ,  Virendra Bhikhabhai Patel

发明人： Raksh Vir Jasra ,  Pravinchandra Mahasukhray Oza ,  Rajesh Shantilal Somani ,  Jatin Rameshchandra Chunnawala ,  Mrunal Vinodbhai Sheth ,  Vikram Vinodrai Thakkar ,  Yogiraj Mansukhlal Badheka ,  Jayalekshmy Ayyer ,  Virendra Bhikhabhai Patel

IPC分类号： C01F1118

CPC分类号： C01F11/185 ,  C01P2002/70 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/60 ,  C09C1/021

摘要： An environmentally friendly process for the production of finely divided calcium carbonate suitable for industrial application from a calcium carbonate-rich by-product of nitrophosphate fertilizer plant by adopting purification steps of thermal treatment, pulverization and coating using an emulsion of a fatty acid or it's a fatty acid derivatives.

摘要翻译： 通过采用脂肪酸乳液的热处理，粉碎和涂层的纯化步骤，生产适合于工业应用的碳酸钙的环境友好的方法，该方法通过采用纯化步骤进行，由富含碳酸钙的氮磷酸盐肥料副产物 脂肪酸衍生物。