Method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing
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United States of America Patent
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May 15, 2001
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app pub date -
Jan 7, 1999
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Jul 12, 1996
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Abstract
The invention concerns a method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing, in which the catalysts are treated with a washing and/or regenerating liquid, characterized by the washing or regenerating liquid consisting wholly or in part of demineralized water.
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