发明授权
- 专利标题: Process for the reduction of concentration of nitrates and/or nitrogen-containing compounds by means of SO2
- 专利标题(中): 通过SO2还原硝酸盐和/或含氮化合物的浓度的方法
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申请号: US10096558申请日: 2002-03-13
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公开(公告)号: US06761828B2公开(公告)日: 2004-07-13
- 发明人: Jürgen Heuser , Werner Verhoeven , Domien Sluyts , Gabriel Denecker
- 申请人: Jürgen Heuser , Werner Verhoeven , Domien Sluyts , Gabriel Denecker
- 优先权: DE10113113 20010316
- 主分类号: C02F168
- IPC分类号: C02F168
摘要:
Nitrate-containing (contaminated) solutions are reduced with SO2 gas in the presence of an at least equimolar amount of NH4+ or ammonium salt.