Chemical cleaning of furnaces, heaters and boilers during their operation
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United States of America Patent
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Feb 20, 2018
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app pub date -
Sep 13, 2016
filing date -
Sep 30, 2015
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Abstract
The present invention comprises a waterless mixture which includes a biuret and/or urea, silica, and melamine particles coated with a layer of magnetite iron oxide for cleaning furnaces, heaters or boilers. A typical cleaning mixture comprises 30-50 percent silica, 20-50 percent biuret and/or urea, 20-40 percent melamine and 1-5 percent iron oxide. The cleaning can be performed at any time. This may lead to a reduction in fuel consumption, less air pollution, increased throughputs, and avoidance of equipment damage.
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