CN109912481A - A method of peroxidating (two) benzoyl is prepared using reuse mother liquor - Google Patents
A method of peroxidating (two) benzoyl is prepared using reuse mother liquor Download PDFInfo
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Abstract
The present invention provides a kind of method using reuse mother liquor preparation peroxidating (two) benzoyl, belongs to the preparation field of organic peroxide.Preparation method provided by the invention, comprising the following steps: sodium hydroxide solution, hydrogen peroxide, surfactant reuse mother liquor are mixed, reaction solution is obtained；It is that raw material prepares isolated mother liquor during peroxidating (two) benzoyl that the reuse mother liquor, which is by including sodium hydroxide, hydrogen peroxide and chlorobenzoyl chloride,；Chlorobenzoyl chloride is added drop-wise in the reaction solution, peroxidization is carried out, obtains peroxidating (two) benzoyl crude product；The peroxidating (two) benzoyl crude product is successively washed and is separated by solid-liquid separation, peroxidating (two) benzoyl is obtained.The present invention, for the preparation of reaction solution, reduces after-treatment system to the treating capacity of mother liquor, improves the yield of peroxidating (two) benzoyl by will prepare in the prior art the mother liquor fraction reuse formed after BPO.
Description
Technical field
The present invention relates to the preparation fields of organic peroxide, and in particular to a kind of to prepare peroxidating using reuse mother liquor
(2) method of benzoyl.
Background technique
Benzoyl peroxide is also known as peroxidating (two) benzoyl, English name are as follows: benzoyl peroxide is (referred to as
BPO), white crystal powder at normal temperature, it is micro- to have bitter almond odor, it can be dissolved in benzene, chloroform, ether, be slightly soluble in second alcohol and water.
BPO is widely used, and can be used as the solvent polymeric of polyacrylonitrile, acrylate, vinyl acetate, neoprene, SBS and methyl-prop
The graft polymerization of e pioic acid methyl ester, the initiator, crosslinking agent of organic glass adhesive etc..BPO can also be used as silicon in rubber industry
The vulcanizing agent of rubber and fluorubber, crosslinking agent can also be used as bleaching agent, oxidant to use in Chemical Manufacture.
With the development of industry, peroxidating (two) benzoyl is applied more and more extensive in production, and demand is also increasing.
Currently, hydrogen peroxide is mainly added to sodium hydroxide solution in the cooling condition by the method for production peroxidating (two) benzoyl
In, generate sodium peroxide aqueous solution；Then peroxidating (two) benzoyl of agitation and dropping chlorobenzoyl chloride, generation is precipitated, through cooling
Afterwards, it is filtered, washed, obtains peroxidating (two) benzoyl product.In process of production, a large amount of synthesis mother liquid and washing water are had
It generates, water-soluble peroxide (perbenzoic acid sodium), sodium hydroxide, sodium chloride and benzene is contained in synthesis mother liquid and washing water
Sodium formate causes salt content in water high, COD high.With production-scale continuous expansion, the synthesis mother liquid and washing water of generation
More and more, how to handle these water becomes the focus that industry is attracted attention.
Chinese invention patent CN108558105A discloses a kind of processing method of peroxidating (two) benzoyl waste water, incited somebody to action
Oxidation (two) benzoyl mother liquor and washing water are heated；Acid out will be carried out after resulting material salt acid for adjusting pH；By institute
It obtains material and carries out the first separation of solid and liquid, obtained solid material is benzoic acid, and gained liquid material is adjusted with sodium hydroxide solution
PH value successively carries out concentration and second and is separated by solid-liquid separation, obtained solid material is sodium chloride to 5~7.After this method alleviates
The processing pressure of reason system, but need to consume a large amount of energy in sodium chloride concentration process, there are the yield of BPO mother liquor
Greatly, it is difficult to effective the problem of carrying out resource utilization.
Summary of the invention
In consideration of it, the purpose of the present invention is to provide a kind of sides using reuse mother liquor preparation peroxidating (two) benzoyl
Method improves the receipts of peroxidating (two) benzoyl by the mother liquor generated when the peroxidating of reuse prior art preparation (two) benzoyl
Rate reduces energy consumption.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of methods using reuse mother liquor preparation peroxidating (two) benzoyl, comprising the following steps:
Sodium hydroxide solution, hydrogen peroxide, surfactant and reuse mother liquor are mixed, reaction solution is obtained；The reuse is female
Liquid be by include sodium hydroxide, hydrogen peroxide and chlorobenzoyl chloride be raw material prepare peroxidating (two) benzoyl during it is isolated
Mother liquor；
Chlorobenzoyl chloride is added drop-wise in the reaction solution, peroxidization is carried out, obtains peroxidating (two) benzoyl crude product；
The peroxidating (two) benzoyl crude product is successively washed and is separated by solid-liquid separation, peroxidating (two) benzene first is obtained
Acyl.
Preferably, the mass ratio of the reuse mother liquor, surfactant and hydrogen peroxide is 11~70:0.05~0.175:1,
The concentration of the hydrogen peroxide is 27.5~70wt%.
Preferably, the surfactant is neopelex, lauryl sodium sulfate or dodecyl sodium sulfonate
Sodium.
Preferably, the molar ratio of sodium hydroxide, hydrogen peroxide and chlorobenzoyl chloride is 1~4:0.5 in the sodium hydroxide solution
~2:1, the concentration of the sodium hydroxide solution are 10~42wt%, and the concentration of the hydrogen peroxide is 27.5~70wt%.
Preferably, the reuse mother liquor includes the component of following percentage: 10~25wt% of sodium chloride, hydrogen peroxide 0.2~
0.8wt%, sodium hydroxide 0.5~1.2wt% and 73~89.3wt% water.
Preferably, the peroxidization also obtains mother liquor, and the mother liquor is used as reuse mother liquor.
Preferably, the reclamation rate of the mother liquor is 50~90%.
Preferably, the temperature of the peroxidization is 0~30 DEG C, and the time is 60~180min.
Preferably, the rate that the chlorobenzoyl chloride is added dropwise is 55~160kg/h, and the time of dropwise addition is 40~120min.
Preferably, the mode of the washing is potcher washing；The mode of the separation of solid and liquid is centrifuge centrifuge separation.
The present invention provides a kind of methods using reuse mother liquor preparation peroxidating (two) benzoyl, comprising the following steps:
Sodium hydroxide solution, hydrogen peroxide, surfactant and reuse mother liquor are mixed, reaction solution is obtained；The reuse mother liquor is by wrapping
Sodium hydroxide, hydrogen peroxide and chlorobenzoyl chloride are included as mother liquor isolated during raw material preparation peroxidating (two) benzoyl；It will
Chlorobenzoyl chloride is added drop-wise in the reaction solution, is carried out peroxidization, is obtained peroxidating (two) benzoyl crude product；By the peroxide
Change (two) benzoyl crude product successively to be washed and be separated by solid-liquid separation, obtains peroxidating (two) benzoyl.Preparation provided by the invention
Method is by will be in the prior art by including during sodium hydroxide, hydrogen peroxide and chlorobenzoyl chloride prepare peroxidating (two) benzoyl
Isolated mother liquor reuse reduces after-treatment system to the treating capacity of mother liquor, improves peroxidating for the preparation of reaction solution
(2) yield of benzoyl reduces the consumption of the energy.Embodiment the result shows that: peroxidating (two) benzene first that the present invention is prepared
The yield of acyl is 95.6%~98%.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the process flow chart that the present invention prepares peroxidating (two) benzoyl using reuse mother liquor.
Specific embodiment
The present invention provides a kind of methods using reuse mother liquor preparation peroxidating (two) benzoyl, comprising the following steps:
Sodium hydroxide solution, hydrogen peroxide, surfactant and reuse mother liquor are mixed, reaction solution is obtained；The reuse is female
Liquid be by include sodium hydroxide, hydrogen peroxide and chlorobenzoyl chloride be raw material prepare peroxidating (two) benzoyl during it is isolated
Mother liquor；
Chlorobenzoyl chloride is added drop-wise in the reaction solution, peroxidization is carried out, obtains peroxidating (two) benzoyl crude product；
The peroxidating (two) benzoyl crude product is successively washed and is separated by solid-liquid separation, peroxidating (two) benzene first is obtained
Acyl.
The present invention mixes sodium hydroxide solution, hydrogen peroxide, surfactant and reuse mother liquor, obtains reaction solution.At this
In invention, the mass ratio of the reuse mother liquor, surfactant and hydrogen peroxide is preferably 11~70:0.05~0.175:1, into one
Step is preferably 43~62:0.07~0.1:1, more preferably 45~55:0.08~0.09:1.
In the present invention, the reuse mother liquor preferably comprises the component of following percentage: 10~25wt% of sodium chloride, dioxygen
0.2~0.8wt% of water, sodium hydroxide 0.5~1.2wt% and 73~89.3wt% water, further preferably sodium chloride 12~
23wt%, 0.3~0.7wt% of hydrogen peroxide, sodium hydroxide 0.6~1.0wt% and 75.3~87.1wt% water.The present invention is to described
The specific source of reuse mother liquor does not have special restriction, specific such as BPO using source well known to those skilled in the art
Factory produces the waste liquid after BPO.
In the present invention, the concentration of the hydrogen peroxide is preferably 27.5~70wt%, and further preferably 30%~60%,
More preferably 40%~50%.In the present invention, the concentration of the sodium hydroxide solution is preferably 10~42wt%, further excellent
It is selected as 20~30%.In the present invention, the surfactant be preferably neopelex, lauryl sodium sulfate or
Dodecyl sodium sulfate.The present invention does not have special limit to the specific source of the hydrogen peroxide, sodium hydroxide and surfactant
It is fixed, using this field conventional commercial product.
The present invention does not have special restriction to the concrete operations of the mixed mode, the side routinely mixed using this field
Formula, it is specific as stirred.The present invention does not have special restriction to the speed of the stirring and the time of stirring, can satisfy
Raw material is uniformly mixed.In the present invention, the mixed temperature is preferably 0~30 DEG C, further preferably 5~25
DEG C, more preferably 10~20 DEG C
After obtaining reaction solution, chlorobenzoyl chloride is added drop-wise in the reaction solution by the present invention, is carried out peroxidization, is obtained
Aoxidize (two) benzoyl crude product.In the present invention, sodium hydroxide in the sodium hydroxide solution, hydrogen peroxide and chlorobenzoyl chloride rub
You are than being preferably 1~4:0.5~2:1, further preferably 2~3:1~1.5:1.In the present invention, the chlorobenzoyl chloride is pure
Degree is preferably technical grade purity.The present invention does not have special restriction to the specific source of the chlorobenzoyl chloride, normal using this field
Advise commercial product.
In the present invention, the temperature of the peroxidization is preferably 0~30 DEG C, further preferably 5~25 DEG C, more excellent
10~20 DEG C are selected as, the time of reaction is preferably 60~180min.
In the present invention, the rate that the chlorobenzoyl chloride is added dropwise is preferably 55~160kg/h, and the time of the dropwise addition is preferred
For 40~120min, further preferably 60~100min, more preferably 70~90min.
In the present invention, after the chlorobenzoyl chloride is added dropwise to complete, insulation reaction, the time of the insulation reaction are preferably carried out
Preferably 20~60min, further preferably 25~55min, more preferably 30~40min；The time of the insulation reaction with
It is counted after being added dropwise to complete.In the present invention, the temperature of the insulation reaction is preferably 5~25 DEG C, and more preferably 10~20 DEG C.
In the present invention, after the completion of the peroxidization, it is preferred to use separation of solid and liquid obtains peroxidating (two) benzoyl
Crude product and mother liquor.In the present invention, the isolated partial mother liquid is used preferably as reuse mother liquor, and the reclamation rate is excellent
It is selected as 50~90%, further preferably 55~85%.In the present invention, the processing mode of the isolated remaining mother liquor
The processing method of peroxidating (two) benzoyl waste water disclosed in preferably Chinese invention patent CN108558105A is handled.
After obtaining peroxidating (two) benzoyl crude product, the peroxidating (two) benzoyl crude product is successively carried out water by the present invention
It washes and is separated by solid-liquid separation, obtain peroxidating (two) benzoyl.In the present invention, the mode of the washing is preferably the continuous water of potcher
It washes；The mode of the separation of solid and liquid is preferably centrifuge centrifuge separation.
Below with reference to embodiment to it is provided by the invention using reuse mother liquor preparation peroxidating (two) benzoyl method into
Row detailed description, but they cannot be interpreted as limiting the scope of the present invention.
Fig. 1 is the process flow chart that the present invention prepares peroxidating (two) benzoyl using reuse mother liquor.The present invention is with hydrogen-oxygen
Changing sodium, hydrogen peroxide, surfactant, reuse mother liquor and chlorobenzoyl chloride is raw material, by the way that peroxidization occurs, through being separated by solid-liquid separation
Afterwards, BPO crude product and mother liquor is prepared；Isolated BPO crude product is washed and is centrifugated, BPO is obtained；It will separate
The partial mother liquid reuse arrived, for the preparation of raw material, remaining mother liquor is post-processed, i.e., the reuse mother liquor in raw material is to separate
To the reuse part of mother liquor.
Embodiment 1
By 1800kg reuse mother liquor, (wherein the content of sodium chloride is 21.80wt%, and the content of sodium hydroxide is
0.76wt%, the content of hydrogen peroxide are 0.46wt%, the content of water be 76.98%), 145.29kg 25wt% sodium hydroxide it is molten
Liquid, 41.92kg 35wt% hydrogen peroxide are added in reaction kettle, after mixing, 3.05kg 2wt% detergent alkylate sulphur are added
Sour sodium, control reaction temperature are 10 DEG C, are uniformly mixed, obtain reaction solution；117.85kg chlorobenzoyl chloride is added drop-wise to instead again
It answers in kettle, 60min is added dropwise with the rate of 117.85kg/h, keeps reaction temperature constant, 45min is kept the temperature after being added dropwise to complete, then
(wherein sodium chloride content is 21.94wt%, sodium hydroxide for isolated 129.46kg BPO crude product and 2011.01kg mother liquor
Content is 0.77wt%, hydrogen peroxide content 0.46wt%), and be directed back to using 1500kg mother liquor therein as reuse mother liquor
In reaction kettle, continue on for the preparation of next reaction solution, the mother liquor reclamation rate of this step is 74.59%；BPO crude product flows into rinsing
In slot, the stirring of potcher is opened, after continuously being washed with water, is sent by conveying device to centrifuge centrifuge separation and carries out solid-liquid point
From acquisition BPO.Yield based on chlorobenzoyl chloride is 96.2%.
Embodiment 2
By 2100kg reuse mother liquor, (wherein the content of sodium chloride is 18.02wt%, and the content of sodium hydroxide is
0.56wt%, the content of hydrogen peroxide are 0.80wt%, the content of water be 80.62%), 181.21kg 20wt% sodium hydroxide it is molten
Liquid, 45.10kg 35wt% hydrogen peroxide are added in reaction kettle, after mixing, 3.05kg 2wt% detergent alkylate sulphur are added
Sour sodium, control reaction temperature are 10 DEG C, are uniformly mixed, obtain reaction solution；117.85kg chlorobenzoyl chloride is added drop-wise to instead again
It answers in kettle, 60min is added dropwise with the rate of 117.85kg/h, keeps reaction temperature constant, 45min is kept the temperature after being added dropwise to complete, then
(wherein sodium chloride content is 18.17wt%, sodium hydroxide for isolated 128.65kg BPO crude product and 2350.72kg mother liquor
Content is 0.56wt%, hydrogen peroxide content 0.81wt%), and be directed back to using 2000kg mother liquor therein as reuse mother liquor
In reaction kettle, continue on for the preparation of next reaction solution, the mother liquor reclamation rate of this step is 85.08%；BPO crude product flows into rinsing
In slot, the stirring of potcher is opened, after continuously being washed with water, is sent by conveying device to centrifuge centrifuge separation and carries out solid-liquid point
From acquisition BPO.Yield based on chlorobenzoyl chloride is 95.6%.
Embodiment 3
By 1600kg reuse mother liquor, (wherein the content of sodium chloride is 20.87wt%, and the content of sodium hydroxide is
0.87wt%, the content of hydrogen peroxide are 0.32wt%, the content of water be 77.94%), 112.76kg 32wt% sodium hydroxide it is molten
Liquid, 36.79kg 40wt% hydrogen peroxide are added in reaction kettle, after mixing, 3.05kg 2wt% detergent alkylate sulphur are added
Sour sodium, control reaction temperature are 5 DEG C, are uniformly mixed, obtain reaction solution；117.85kg chlorobenzoyl chloride is added drop-wise to reaction again
In kettle, 60min is added dropwise with the rate of 117.85kg/h, keeps reaction temperature constant, 45min is kept the temperature after being added dropwise to complete, is then divided
From 131.88kg BPO crude product and 1771.53kg mother liquor is obtained, (wherein sodium chloride content is 21.60wt%, and sodium hydroxide contains
Amount is 0.90wt%, hydrogen peroxide content 0.34wt%), and be directed back to instead using 1200kg mother liquor therein as reuse mother liquor
It answers in kettle, continues on for the preparation of next reaction solution, the mother liquor reclamation rate of this step is 67.74%；BPO crude product flows into potcher
In, the stirring of potcher is opened, after continuously being washed with water, is sent by conveying device to centrifuge centrifuge separation and carries out solid-liquid point
From acquisition BPO.Yield based on chlorobenzoyl chloride is 98.0%.
Embodiment 4
By 1900kg reuse mother liquor, (wherein the content of sodium chloride is 22.80wt%, and the content of sodium hydroxide is
0.76wt%, the content of hydrogen peroxide are 0.68wt%, the content of water be 75.76%), 84.67kg 42wt% sodium hydroxide it is molten
Liquid, 30.83kg 50wt% hydrogen peroxide are added in reaction kettle, after mixing, 3.05kg 2wt% detergent alkylate sulphur are added
Sour sodium, control reaction temperature are 15 DEG C, are uniformly mixed, obtain reaction solution；117.85kg chlorobenzoyl chloride is added drop-wise to instead again
It answers in kettle, 60min is added dropwise with the rate of 117.85kg/h, keeps reaction temperature constant, 45min is kept the temperature after being added dropwise to complete, then
(wherein sodium chloride content is 23.65wt%, sodium hydroxide for isolated 131.75kg BPO crude product and 2037.59kg mother liquor
Content is 0.78wt%, hydrogen peroxide content 0.71wt%), and be directed back to using 1500kg mother liquor therein as reuse mother liquor
In reaction kettle, continue on for the preparation of next reaction solution, the mother liquor reclamation rate of this step is 73.62%；BPO crude product flows into rinsing
In slot, the stirring of potcher is opened, after continuously being washed with water, is sent by conveying device to centrifuge centrifuge separation and carries out solid-liquid point
From acquisition BPO.Yield based on chlorobenzoyl chloride is 97.9%.
Embodiment 5
By 1500kg reuse mother liquor, (wherein the content of sodium chloride is 17.12wt%, and the content of sodium hydroxide is
0.78wt%, the content of hydrogen peroxide are 0.50wt%, the content of water be 81.60%), 121.0kg 30wt% sodium hydroxide it is molten
Liquid, 30.34kg 50wt% hydrogen peroxide are added in reaction kettle, after mixing, 3.05kg 2wt% detergent alkylate sulphur are added
Sour sodium, control reaction temperature are 5 DEG C, are uniformly mixed, obtain reaction solution；117.85kg chlorobenzoyl chloride is added drop-wise to reaction again
In kettle, 60min is added dropwise with the rate of 117.85kg/h, keeps reaction temperature constant, 45min is kept the temperature after being added dropwise to complete, is then divided
From 131.21kg BPO crude product and 1673.84kg mother liquor is obtained, (wherein sodium chloride content is 18.25wt%, and sodium hydroxide contains
Amount is 0.83wt%, hydrogen peroxide content 0.53wt%), and be directed back to instead using 1200kg mother liquor therein as reuse mother liquor
It answers in kettle, continues on for the preparation of next reaction solution, the mother liquor reclamation rate of this step is 71.69%；BPO crude product flows into potcher
In, the stirring of potcher is opened, after continuously being washed with water, is sent by conveying device to centrifuge centrifuge separation and carries out solid-liquid point
From acquisition BPO.Yield based on chlorobenzoyl chloride is 97.5%.
As seen from the above embodiment, preparation method provided by the invention by will in the prior art by include sodium hydroxide,
Isolated mother liquor reuse during hydrogen peroxide and chlorobenzoyl chloride preparation peroxidating (two) benzoyl, for matching for reaction solution
System reduces after-treatment system to the treating capacity of mother liquor, improves the yield of peroxidating (two) benzoyl, reduce the consumption of the energy.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of method using reuse mother liquor preparation peroxidating (two) benzoyl, which comprises the following steps:
Sodium hydroxide solution, hydrogen peroxide, surfactant and reuse mother liquor are mixed, reaction solution is obtained；The reuse mother liquor is
By being mother isolated during raw material preparation peroxidating (two) benzoyl including sodium hydroxide, hydrogen peroxide and chlorobenzoyl chloride
Liquid；
Chlorobenzoyl chloride is added drop-wise in the reaction solution, peroxidization is carried out, obtains peroxidating (two) benzoyl crude product；
The peroxidating (two) benzoyl crude product is successively washed and is separated by solid-liquid separation, peroxidating (two) benzoyl is obtained.
2. preparation method according to claim 1, which is characterized in that the reuse mother liquor, surfactant and hydrogen peroxide
Mass ratio be 11~70:0.05~0.175:1, the concentration of the hydrogen peroxide is 27.5~70wt%.
3. preparation method according to claim 1 or 2, which is characterized in that the surfactant is detergent alkylate sulphur
Sour sodium, lauryl sodium sulfate or dodecyl sodium sulfate.
4. preparation method according to claim 1 or 2, which is characterized in that sodium hydroxide in the sodium hydroxide solution, double
The molar ratio of oxygen water and chlorobenzoyl chloride is 1~4:0.5~2:1, and the concentration of the sodium hydroxide solution is 10~42wt%, described
The concentration of hydrogen peroxide is 27.5~70wt%.
5. preparation method according to claim 1, which is characterized in that the reuse mother liquor includes the group of following percentage
Point: 10~25wt% of sodium chloride, 0.2~0.8wt% of hydrogen peroxide, sodium hydroxide 0.5~1.2wt% and 73~89.3wt% water.
6. preparation method according to claim 1, which is characterized in that the peroxidization also obtains mother liquor, the mother
Liquid is used as reuse mother liquor.
7. preparation method according to claim 1, which is characterized in that the reclamation rate of the mother liquor is 50~90%.
8. preparation method according to claim 1, which is characterized in that the temperature of the peroxidization is 0~30 DEG C, when
Between be 60~180min.
9. preparation method according to claim 1, which is characterized in that the rate that the chlorobenzoyl chloride is added dropwise is 55~
160kg/h, the time of dropwise addition are 40~120min.
10. preparation method according to claim 1, which is characterized in that the mode of the washing is potcher washing；It is described
The mode of separation of solid and liquid is centrifuge centrifuge separation.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627630A (en) * | 2019-09-25 | 2019-12-31 | 江苏强盛功能化学股份有限公司 | Treatment method of diacyl peroxide waste |
| CN113582900A (en) * | 2021-08-20 | 2021-11-02 | 山东阳谷华泰化工股份有限公司 | Preparation method of high-purity powdered dibenzoyl peroxide |
| CN115043767A (en) * | 2022-07-15 | 2022-09-13 | 睦化(上海)流体工程有限公司 | Microchannel reaction process and device for preparing benzoyl peroxide |
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| RO114612B1 (en) * | 1997-10-21 | 1999-06-30 | S.C. Chimopar S.A. | Process for preparing granulated benzoyl peroxide |
| CN102199115A (en) * | 2011-04-15 | 2011-09-28 | 江苏强盛功能化学股份有限公司 | Method for preparing benzoyl peroxide |
| CN105924378A (en) * | 2016-05-23 | 2016-09-07 | 江苏万川医疗健康产业集团有限公司 | Method for synthesizing benzoyl peroxide and benzoyl peroxide synthesized with method |
| CN108558105A (en) * | 2018-04-11 | 2018-09-21 | 常熟市滨江化工有限公司 | A kind of processing method of dibenzoyl peroxide waste water |
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| RO114612B1 (en) * | 1997-10-21 | 1999-06-30 | S.C. Chimopar S.A. | Process for preparing granulated benzoyl peroxide |
| CN102199115A (en) * | 2011-04-15 | 2011-09-28 | 江苏强盛功能化学股份有限公司 | Method for preparing benzoyl peroxide |
| CN105924378A (en) * | 2016-05-23 | 2016-09-07 | 江苏万川医疗健康产业集团有限公司 | Method for synthesizing benzoyl peroxide and benzoyl peroxide synthesized with method |
| CN108558105A (en) * | 2018-04-11 | 2018-09-21 | 常熟市滨江化工有限公司 | A kind of processing method of dibenzoyl peroxide waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627630A (en) * | 2019-09-25 | 2019-12-31 | 江苏强盛功能化学股份有限公司 | Treatment method of diacyl peroxide waste |
| CN113582900A (en) * | 2021-08-20 | 2021-11-02 | 山东阳谷华泰化工股份有限公司 | Preparation method of high-purity powdered dibenzoyl peroxide |
| CN115043767A (en) * | 2022-07-15 | 2022-09-13 | 睦化(上海)流体工程有限公司 | Microchannel reaction process and device for preparing benzoyl peroxide |
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