The preparation method of di-tert-butyl peroxide
A technology of peroxidizing di-tert-butyl and tert-butanol, which is applied in the preparation of peroxy compounds, the preparation of organic compounds, chemical instruments and methods, etc., can solve waste liquid damage and environment, difficult yield, long reaction process, etc. problems, to achieve the effect of saving raw materials, avoiding damage to the environment and reducing costs
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Embodiment 1
[0027] A) Preparation of tert-butyl hydrogen sulfate esterification liquid, the mass % specific concentration of 95% tert-butanol and mass % specific concentration of 60% sulfuric acid is added dropwise to the first reaction device to stir the reaction, tert-butanol The mol ratio to sulfuric acid is 1:0.5, and the temperature and time of the stirring reaction of the first reaction device are respectively controlled at 40° C. and 40 minutes to obtain a tert-butyl hydrogen sulfate esterification liquid;
[0028] B) to prepare the reaction product, first add the reclaimed mother liquor in the second reaction device, then add the thick tert-butyl hydrogen sulfate in the second reaction device and add the tert-butyl hydrogen sulfate esterification solution obtained by step A) in a dropwise manner, and control The temperature of the stirring reaction of the second reaction device is 50°C, and the reaction time is controlled to be 330min to obtain a reaction product, wherein the weigh...
Embodiment 2
[0032]A) Preparation of tert-butyl hydrogen sulfate esterification solution, the mass % specific concentration is 90% tert-butanol and the sulfuric acid of mass % specific concentration 75% is added dropwise in the first reaction device for stirring reaction, tert-butanol The mol ratio to sulfuric acid is 1:0.75, and the temperature and time of the stirring reaction of the first reaction device are respectively controlled at 25° C. and 120 min to obtain tert-butyl hydrogen sulfate esterification solution;
[0033] B) to prepare the reaction product, first add the reclaimed mother liquor in the second reaction device, then add the thick tert-butyl hydrogen sulfate in the second reaction device and add the tert-butyl hydrogen sulfate esterification solution obtained by step A) in a dropwise manner, and control The temperature of the stirring reaction of the second reaction device is 25°C, and the reaction time is controlled as 60min to obtain a reaction product, wherein the weigh...
Embodiment 3
[0037] A) Preparation of tert-butyl hydrogen sulfate esterification solution, the mass % specific concentration is 85% tert-butanol and the sulfuric acid of mass % specific concentration 95% is added dropwise in the first reaction device to stir and react, tert-butanol The mol ratio with sulfuric acid is 1:1, and the temperature and time of the stirring reaction of the first reaction device are respectively controlled at 10° C. and 240 min to obtain tert-butyl hydrogen sulfate esterification liquid;
[0038] B) to prepare the reaction product, first add the reclaimed mother liquor in the second reaction device, then add the thick tert-butyl hydrogen sulfate in the second reaction device and add the tert-butyl hydrogen sulfate esterification solution obtained by step A) in a dropwise manner, and control The temperature of the stirring reaction of the second reaction device is 10 DEG C, and the reaction time is controlled as 220min to obtain a reaction product, wherein the weight...
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