Catalyst for synthesizing glycerol carbonate from glycerol, method for producing the catalyst and method for synthesizing glycerol carbonate from glycerol using the catalyst
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United States of America Patent
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Dec 30, 2014
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Oct 10, 2013
app pub date -
Dec 18, 2012
filing date -
Apr 10, 2012
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Abstract
Disclosed are a catalyst for synthesizing glycerol carbonate from glycerol and a method for producing the catalyst. The method includes adding an aqueous NaOH solution, an aqueous KOH solution, or a mixture of an aqueous NH4(OH) solution and an aqueous NaOH solution to an aqueous solution of a mixture of zinc nitrate and aluminum nitrate, aging the mixture, filtering and washing the aged mixture to obtain a solid, and calcining the solid under an oxygen, nitrogen or helium atmosphere. The use of the catalyst enables the synthesis of glycerol carbonate from glycerol and urea with high conversion rate, selectivity and yield. Further disclosed is a method for synthesizing glycerol carbonate from glycerol using the catalyst.
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