公开(公告)号：US06787119B2

公开(公告)日：2004-09-07

申请号：US10098170

申请日：2002-03-13

申请人： Boyapati Manoranjan Choudary ,  Mannepalli Lakshmi Kantam ,  Katuri Jeeva Ratnam ,  Vijayakumar Karasala ,  Sridhar Chidara ,  Venkatachalam Subbiah ,  Santosh Gopalakrishnan ,  Ramaswamy Rajagopalan ,  Ninan Ninan Kovoor ,  Kuchibhatla Sitarama Sastri

发明人： Boyapati Manoranjan Choudary ,  Mannepalli Lakshmi Kantam ,  Katuri Jeeva Ratnam ,  Vijayakumar Karasala ,  Sridhar Chidara ,  Venkatachalam Subbiah ,  Santosh Gopalakrishnan ,  Ramaswamy Rajagopalan ,  Ninan Ninan Kovoor ,  Kuchibhatla Sitarama Sastri

IPC分类号： C01B2120

CPC分类号： C01B21/0923 ,  C01B21/082 ,  C01B21/087 ,  C01P2006/80 ,  C06B31/00 ,  Y10S149/122

摘要： The present invention provides an ecofriendly method for preparing dinitramidic acid and its salts by nitration of ammonium sulfamate with fuming nitric acid as a nitrating agent using solid acid catalysts selected from the group consisting of a montmorillonite clay catalyst and metal ion exchanged K10 montmorillonite clay catalysts and surface supported catalysts and preparation of ammonium dinitramide by neutralization of the dinitramidic acid with ammonia and separation of ammonium dinitramide.

摘要翻译： 本发明提供了一种通过使用选自蒙脱石粘土催化剂和金属离子交换的K10蒙脱土粘土催化剂的固体酸催化剂硝化作为硝化剂的氨基磺酸铵硝化铵二氨基甲酸及其盐的环保方法， 表面负载型催化剂和二硝基铵硝酸铵的制备，并用氨分解硝酸二铵。