Method for preparing sucrose fatty acid ester particle by spray cooling
A sucrose fatty acid ester, spray cooling technology, applied in chemical instruments and methods, liquid droplet granulation, sugar derivatives, etc. Influence, environmental product pollution and other issues, to achieve excellent wetting performance, avoid difficult dispersion and dissolution, and avoid environmental pollution.
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Embodiment 1
[0022] 1) The sucrose is white granulated sugar produced by sulfite process, and the reducing sugar content is 0.50%.
[0023] 2) The ratio of white granulated sugar and fatty acid methyl ester as the main reaction raw material of sucrose fatty acid ester is 1:4, and the composition ratio of catalyst is 3.5% of the total mass of reaction raw materials (that is, 3.5% of the total mass of white granulated sugar and fatty acid methyl ester). The reaction system should be controlled in a vacuum state, the vacuum degree should be kept at 0.098 MPa, the reaction temperature should be controlled at 125±1°C, and the reaction time should be controlled at 3 hours.
[0024] The molten sucrose fatty acid ester produced by the solvent-free method should maintain a good molten state, and the temperature of the material is 125±1° C. to maintain fluidity.
[0025] 3) Pass the high-temperature solution of sucrose fatty acid ester that has completed the reaction into a centrifugal atomizer for ...
Embodiment 2
[0028] 1) Sucrose is white granulated sugar produced by carbonation method, and the reducing sugar content is 0.03%.
[0029] 2) The ratio of white granulated sugar and fatty acid methyl ester as the main reaction raw material of sucrose fatty acid ester is 1:4, and the catalyst composition ratio is 3.5%. At 123±1°C, the reaction time was controlled at 3 hours.
[0030] The molten sucrose fatty acid ester produced by the solvent-free method maintains a good molten state, the temperature of the material is 123±1° C., and the fluidity is good.
[0031] 3) Pass the high-temperature solution of sucrose fatty acid ester that has completed the reaction into a centrifugal atomizer for spray cooling. The material temperature is 123°C, the feed rate is 60L / h, and the cold air flow is controlled at 200m 3 / h. The products obtained under this atomization condition are usually regular spherical particles with excellent fluidity.
[0032] 86% of the particle size of the final sucrose f...
Embodiment 3
[0034] 1) The sucrose is white granulated sugar produced by carbonation method, and the reducing sugar content is 0.03%.
[0035] 2) The ratio of white granulated sugar and fatty acid methyl ester as the main reaction raw material of sucrose fatty acid ester is 1:4, and the catalyst composition ratio is 3.5%. At 123±1°C, the reaction time was controlled at 3 hours.
[0036] The molten sucrose fatty acid ester produced by the solvent-free method maintains a good molten state, and the material temperature is 123±1° C., maintaining fluidity.
[0037] 3) Pass the high-temperature solution of the sucrose fatty acid ester reaction product after the reaction into the centrifugal atomizer for cooling and spraying. The spray cooling conditions are: 9000r / min, the inlet air temperature is 16°C, and the outlet air temperature varies between 30-45°C , the feed temperature is 123°C, the feed rate is 60L / h, and the cold air flow rate is controlled at 200m 3 / h. The products obtained unde...
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Abstract
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