| 发明名称 | Process for the acid digestion of metal-containing compounds | ||
| 摘要 | Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99. | ||
| 申请公布号 | US9487845(B2) | 申请公布日期 | 2016.11.08 |
| 申请号 | US201113106281 | 申请日期 | 2011.05.12 |
| 申请人 | BASF SE | 发明人 | Heidenfelder Thomas;Witteler Helmut;Laubusch Bernd;Seelmann-Eggebert Hans-Peter |
| 分类号 | C22B15/00;C22B3/08;C22B3/16;C22B7/00;C22B3/34;C22B3/00;C22B59/00 | 主分类号 | C22B15/00 |
| 代理机构 | Drinker Biddle & Reath LLP | 代理人 | Drinker Biddle & Reath LLP |
| 主权项 | 1. A process comprising: providing a metal-containing compound; and subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture of: sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:39 to 1:1. | ||
| 地址 | Ludwigshafen DE | ||