Method and apparatus for manufacturing graphite oxide
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United States of America Patent
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Feb 23, 2016
Grant Date -
Apr 23, 2015
app pub date -
Dec 23, 2014
filing date -
Jun 28, 2012
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Abstract
There is provided a method and an apparatus for preparing graphite oxide. In accordance with the present disclosure, when an oxidizer is added by stages into a sequencing batch oxidizer mixer connected in multiple stages at a constantly low temperature, the oxidizer is mixed therein while suppressing an oxidation reaction. During an oxidation reaction of graphite, in a risky range of overheating and explosion, a tube type reactor equipped within a heat exchanger is used to accurately control a local temperature and the oxidizer can permeate between layers of the graphite with increased efficiency under ultrasonication. In an additional reaction range out of the risky range, a continuous stirred tank reactor is used to mature the oxidation reaction, so that a risk of explosion during manufacturing of graphite oxide can be reduced and a great amount of graphite oxide can be mass-produced economically.
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