Esterification accelerant and method for preparing esterifying liquid by using same
The technology of an accelerator and an esterification solution is applied in the field of an esterification accelerator and the preparation of an esterification solution by using the same, which can solve the problems of unstable treatment effect, not extensive technology, increase production cost, etc., so as to improve industrial production efficiency and improve Catalytic efficiency, the effect of improving esterification efficiency
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Embodiment 1
[0024] The preparation of embodiment 1 esterification liquid
[0025] In an airtight container, add 1% (volume and total mass percentage, the liquid raw material unit is the same below) hexanoic acid, 20% ethanol, 25% yellow water, 50% (mass percentage, the solid raw material unit is the same below) rice husk, 2% esterification enzyme preparation and 0.03% n-propanol. After mixing the solids, add the mixed liquid evenly and seal. Place it at 30-35°C for 2 months for esterification. Take out the contents, add 20% wine tails in total amount before distillation, and distill according to the usual method. The finished product esterified liquid has a strong cellar aroma, and a sample is taken for gas chromatography detection, and the content of ethyl hexanoate reaches 322mg / 100ml.
Embodiment 2
[0026] The preparation of embodiment 2 esterification liquid
[0027] In an airtight container, add 1% (volume and total mass percentage, the liquid raw material unit is the same below) hexanoic acid, 20% ethanol, 25% yellow water, 50% (mass percentage, the solid raw material unit is the same below) rice husk, 2% esterification enzyme preparation and 0.03% isobutanol. After mixing the solids, add the mixed liquid evenly and seal. Place it at 30-35°C for 2 months for esterification. Take out the contents, add 20% wine tails in total amount before distillation, and distill according to the usual method. The finished product esterification liquid has a strong cellar aroma, and a sample is taken for gas chromatography detection, and the content of ethyl hexanoate reaches 365mg / 100ml.
Embodiment 3
[0028] The preparation of embodiment 3 esterification liquid
[0029] In an airtight container, add 1% (volume and total mass percentage, the liquid raw material unit is the same below) hexanoic acid, 20% ethanol, 25% yellow water, 50% (mass percentage, the solid raw material unit is the same below) rice husk, 2% esterase preparation and 0.03% butanol. After mixing the solids, add the mixed liquid evenly and seal. Place it at 30-35°C for 2 months for esterification. Take out the contents, add 20% wine tails in total amount before distillation, and distill according to the usual method. The finished product esterified liquid has a strong cellar aroma. Samples were taken for gas chromatography detection, and the content of ethyl hexanoate reached 346mg / 100ml.
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