发明名称 |
Thermochemical nitrate destruction |
摘要 |
A method is disclosed for denitrification of nitrates and nitrates present in aqueous waste streams. The method comprises the steps of (1) identifying the concentration nitrates and nitrites present in a waste stream, (2) causing formate to be present in the waste stream, (3) heating the mixture to a predetermined reaction temperature from about 200 DEG C. to about 600 DEG C., and (4) holding the mixture and accumulating products at heated and pressurized conditions for a residence time, thereby resulting in nitrogen and carbon dioxide gas, and hydroxides, and reducing the level of nitrates and nitrites to below drinking water standards.
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申请公布号 |
US5118447(A) |
申请公布日期 |
1992.06.02 |
申请号 |
US19910684717 |
申请日期 |
1991.04.12 |
申请人 |
BATTELLE MEMORIAL INSTITUTE |
发明人 |
COX, JOHN L.;HALLEN, RICHARD T.;LILGA, MICHAEL A. |
分类号 |
C02F1/02;C02F1/70;G21F9/14 |
主分类号 |
C02F1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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