公开(公告)号：US20070202025A1

公开(公告)日：2007-08-30

申请号：US11578363

申请日：2005-04-12

申请人： Paola Deplano ,  Maria Mercuri ,  Emanuele Trogu ,  Angela Serpe ,  Paolo Fornasiero ,  Mauro Graziani

发明人： Paola Deplano ,  Maria Mercuri ,  Emanuele Trogu ,  Angela Serpe ,  Paolo Fornasiero ,  Mauro Graziani

IPC分类号： C07F15/00 ,  C01G55/00

CPC分类号： C22B11/048 ,  C22B3/0005 ,  C22B3/0036 ,  C22B3/205 ,  C22B7/009 ,  C22B11/042 ,  Y02P10/214 ,  Y02P10/234

摘要： Due to its ability to activate small molecules, palladium is increasingly used mainly in catalysis. For example in 2002 the world demand for Pd for the production of catalytic converters for motor vehicles was 64% of the total, equal to 3.08 million oz. Its high cost coupled with the environmental impact of disposal of these spent materials focuses attention on its quantitative recovery by means of economically advantageous industrial processes with low environmental impact. The present invention makes available a method which is easy to apply on an industrial scale for the recovery of palladium in one single step and in mild conditions that meets the above-mentioned industrial requirements. The method uses adducts of N,N′-dialkyl-perhydrodiazepine-2,3-dithione.

摘要翻译： 由于其能够激活小分子，钯越来越多地主要用于催化。 例如在2002年，世界对汽车催化转化器生产的需求量为64％，相当于308万盎司。 其高成本加上​​处理这些废料的环境影响，通过经济上有利于低环境影响的工业过程，重点关注其定量回收。 本发明提供一种易于在工业规模上应用于在一个单一步骤中回收钯并且在满足上述工业要求的温和条件下的方法。 该方法使用N，N'-二烷基 - 全氢化二氮杂-2,3-二硫酮的加合物。