Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for performing faster, strongly exothermic gas/liquid reactions
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United States of America Patent
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Jun 28, 2011
Grant Date -
Dec 11, 2008
app pub date -
Dec 20, 2006
filing date -
Dec 21, 2005
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Abstract
/air mixture occurs through several feed locations, which are located within (along) the reaction tube or reaction tubes or in the annular gap of annular-gap falling-film reactors. High peak temperatures, undesirable byproducts, worsening of the color and local oversulfation or oversulfonation, which leads to side reactions, are largely avoided.
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