CN107915232A - A kind of white carbon black production technique without using fluorescent whitening agent - Google Patents
A kind of white carbon black production technique without using fluorescent whitening agent Download PDFInfo
- Publication number
- CN107915232A CN107915232A CN201711277682.0A CN201711277682A CN107915232A CN 107915232 A CN107915232 A CN 107915232A CN 201711277682 A CN201711277682 A CN 201711277682A CN 107915232 A CN107915232 A CN 107915232A
- Authority
- CN
- China
- Prior art keywords
- white carbon
- whitening agent
- fluorescent whitening
- carbon black
- production technique
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
Abstract
The invention discloses a kind of white carbon black production technique without using fluorescent whitening agent, it is related to rubber reinforcing filler field, comprises the following steps：（1）Water treatment system is transformed；（2）Smart match system transformation；（3）Process optimization；Present invention process is improved existing precipitated silica preparation process, by optimizing existing precipitated silica preparation process, so that by improved white carbon black production technique, completely can be without using fluorescent whitening agent, and meet the market demand, the washing of press filtration workshop is easier, and ton white carbon water consume declines 5 tons；It is more easy to crush, ton white carbon power consumption declines 5 degree；White carbon direct production cost declines 12 yuan/ton.
Description
Technical field
The invention belongs to rubber reinforcing filler field, and in particular to a kind of white carbon black production work without using fluorescent whitening agent
Skill.
Background technology
High-temperature silicon disulfide rubber is prepared using the precipitation method more with white carbon currently on the market.Traditional precipitated silica system
Standby technique is to use waterglass（Na2O·mSiO2）Prepared with sulfuric acid for raw material.Traditional precipitated silica preparation process,
The additives such as the fluorescent whitening agent of doses are added in production process, it is therefore an objective to improve the appearance of high-temperature silicon disulfide rubber, make
It is whiter, brighter, more bright-coloured.But from the beginning of this year, more and more high-temperature silicon disulfide rubber products are forbidden detecting fluorescent whitening agent.Will
Fluorescent whitening agent must not be detected by asking in white carbon black production producer white carbon.The present invention is by appropriate scrap build, improves life
Production. art, prevents to add fluorescent whitening agent.
The content of the invention
The purpose of the present invention is for it is existing the problem of, there is provided a kind of white carbon black production work without using fluorescent whitening agent
Skill.
The present invention is achieved by the following technical solutions：
A kind of white carbon black production technique without using fluorescent whitening agent, comprises the following steps：
（1）Water treatment system is transformed
On the basis of the water treatment system of precipitated silica preparation process, increase disinfectant control device, zwitterion
Equipment, activated carbon filter plant, for improving water quality；
Disinfection（Sterilization）Agent control device main function is to kill microorganism in water, improves the zwitterion service life；
Cation and anion exchange equipment：Sulfate radical, carbonate, nitre in the cation and water of calcium in water, magnesium, iron, aluminium is greatly lowered
Acid group and chlorion, 50-100 μ s/cm are down to by the electrical conductivity of water by 400 μ s/cm；
Activated carbon filter plant is the impurity such as filtering Organic substance in water, chlorine residue, after improving water quality, the transformation of this water treatment system, water
Matter is obviously improved；
（2）Smart match system transformation：
The waterglass weak solution essence of precipitated silica preparation process is changed to smart slot allocation inner liner stainless steel with Pot Lining carbon steel sheet
Plate, avoids waterglass weak solution and is contacted with carbon steel sheet, increases iron content；
（3）Process optimization：
A optimum synthesis workshop sulfuric acid and water glass solution flow rate:It is 0.015- by synthetic workshop sulfuric acid solution flow rate adjustment
0.018m3/min, is 0.018-0.02m3/min by synthetic workshop water glass solution flow rate adjustment；
B optimum synthesis workshop reaction temperature；The reaction temperature of synthetic workshop is adjusted to 60-75 DEG C；
C does not add anti-yellowing dose when dissolving rotary spherical digester；
D does not add fluorescent whitening agent in synthetic workshop, press filtration in workshop.
（4）Sulfuric acid storage tank is transformed：
The sulfuric acid storage tank of precipitated silica preparation process is changed to sulfuric acid storage tank and pipeline with liner, the pipeline connection
Sulfuric acid storage tank upper and lower end with liner, significantly improves the phenomenon that sulfuric acid turns yellow in sulfuric acid storage process, prevents
The generation of sour mud in sulfuric acid storage tank；Sulfuric acid quality is not only significantly improved, and has prevented the environmental protection pressure that the sour mud of cleaning is brought
And security risk；
Further, fungicide is sodium hypochlorite in the disinfectant control device.
Further, raw material is styrene or acrylate in the cation and anion exchange equipment.
Further, filter core is cocoanut active charcoal in the activated carbon filter plant.
Further, the smart slot allocation inner liner stainless steel plate is made of 304 stainless steel materials.
Further, filtered in the pressure-filtering process using diaphragm plate frame filter press.
The present invention has the following advantages compared with prior art：Present invention process is to existing precipitated silica preparation process
It is improved, by optimizing existing precipitated silica preparation process so that pass through improved white carbon black production technique, completely
Can be without using fluorescent whitening agent, and meet the market demand, the washing of press filtration workshop is easier, and ton white carbon water consume declines 5 tons；More
Easily crush, ton white carbon power consumption declines 5 degree；White carbon direct production cost declines 12 yuan/ton.
Figure of description
Fig. 1 is water treatment system transformation map.
Embodiment
Embodiment 1
A kind of white carbon black production technique without using fluorescent whitening agent, comprises the following steps：
（1）Water treatment system is transformed
On the basis of the water treatment system of precipitated silica preparation process, increase disinfectant control device, zwitterion
Equipment, activated carbon filter plant, for improving water quality；
Disinfection（Sterilization）Agent control device main function is to kill microorganism in water, improves the zwitterion service life；
Cation and anion exchange equipment：Sulfate radical, carbonate, nitre in the cation and water of calcium in water, magnesium, iron, aluminium is greatly lowered
Acid group and chlorion, 50 μ s/cm are down to by the electrical conductivity of water by 400 μ s/cm；
Activated carbon filter plant is the impurity such as filtering Organic substance in water, chlorine residue, after improving water quality, the transformation of this water treatment system, water
Matter is obviously improved；
（2）Smart match system transformation：
The waterglass weak solution essence of precipitated silica preparation process is changed to smart slot allocation inner liner stainless steel with Pot Lining carbon steel sheet
Plate, avoids waterglass weak solution and is contacted with carbon steel sheet, increases iron content；
（3）Process optimization：
A optimum synthesis workshop sulfuric acid and water glass solution flow rate:It is 0.015m3/ by synthetic workshop sulfuric acid solution flow rate adjustment
Min, is 0.018m3/min by synthetic workshop water glass solution flow rate adjustment；
B optimum synthesis workshop reaction temperature；The reaction temperature of synthetic workshop is adjusted to 60 DEG C；
C does not add anti-yellowing dose when dissolving rotary spherical digester；
D does not add fluorescent whitening agent in synthetic workshop, press filtration in workshop.
（4）Sulfuric acid storage tank is transformed：
The sulfuric acid storage tank of precipitated silica preparation process is changed to sulfuric acid storage tank and pipeline with liner, the pipeline connection
Sulfuric acid storage tank upper and lower end with liner, significantly improves the phenomenon that sulfuric acid turns yellow in sulfuric acid storage process, prevents
The generation of sour mud in sulfuric acid storage tank；Sulfuric acid quality is not only significantly improved, and has prevented the environmental protection pressure that the sour mud of cleaning is brought
And security risk；
Further, fungicide is sodium hypochlorite in the disinfectant control device.
Further, raw material is styrene or acrylate in the cation and anion exchange equipment.
Further, filter core is cocoanut active charcoal in the activated carbon filter plant.
Further, the smart slot allocation inner liner stainless steel plate is made of 304 stainless steel materials.
Further, filtered in the pressure-filtering process using diaphragm plate frame filter press.
Embodiment 2
A kind of white carbon black production technique without using fluorescent whitening agent, comprises the following steps：
（1）Water treatment system is transformed
On the basis of the water treatment system of precipitated silica preparation process, increase disinfectant control device, zwitterion
Equipment, activated carbon filter plant, for improving water quality；
Disinfection（Sterilization）Agent control device main function is to kill microorganism in water, improves the zwitterion service life；
Cation and anion exchange equipment：Sulfate radical, carbonate, nitre in the cation and water of calcium in water, magnesium, iron, aluminium is greatly lowered
Acid group and chlorion, 100 μ s/cm are down to by the electrical conductivity of water by 400 μ s/cm；
Activated carbon filter plant is the impurity such as filtering Organic substance in water, chlorine residue, after improving water quality, the transformation of this water treatment system, water
Matter is obviously improved；
（2）Smart match system transformation：
The waterglass weak solution essence of precipitated silica preparation process is changed to smart slot allocation inner liner stainless steel with Pot Lining carbon steel sheet
Plate, avoids waterglass weak solution and is contacted with carbon steel sheet, increases iron content；
（3）Process optimization：
A optimum synthesis workshop sulfuric acid and water glass solution flow rate:It is 0.018m3/ by synthetic workshop sulfuric acid solution flow rate adjustment
Min, is 0.02m3/min by synthetic workshop water glass solution flow rate adjustment；
B optimum synthesis workshop reaction temperature；The reaction temperature of synthetic workshop is adjusted to 75 DEG C；
C does not add anti-yellowing dose when dissolving rotary spherical digester；
D does not add fluorescent whitening agent in synthetic workshop, press filtration in workshop.
（4）Sulfuric acid storage tank is transformed：
The sulfuric acid storage tank of precipitated silica preparation process is changed to sulfuric acid storage tank and pipeline with liner, the pipeline connection
Sulfuric acid storage tank upper and lower end with liner, significantly improves the phenomenon that sulfuric acid turns yellow in sulfuric acid storage process, prevents
The generation of sour mud in sulfuric acid storage tank；Sulfuric acid quality is not only significantly improved, and has prevented the environmental protection pressure that the sour mud of cleaning is brought
And security risk；
Further, fungicide is sodium hypochlorite in the disinfectant control device.
Further, raw material is styrene or acrylate in the cation and anion exchange equipment.
Further, filter core is cocoanut active charcoal in the activated carbon filter plant.
Further, the smart slot allocation inner liner stainless steel plate is made of 304 stainless steel materials.
Further, filtered in the pressure-filtering process using diaphragm plate frame filter press.
Embodiment 3
A kind of white carbon black production technique without using fluorescent whitening agent, comprises the following steps：
（1）Water treatment system is transformed
On the basis of the water treatment system of precipitated silica preparation process, increase disinfectant control device, zwitterion
Equipment, activated carbon filter plant, for improving water quality；
Disinfection（Sterilization）Agent control device main function is to kill microorganism in water, improves the zwitterion service life；
Cation and anion exchange equipment：Sulfate radical, carbonate, nitre in the cation and water of calcium in water, magnesium, iron, aluminium is greatly lowered
Acid group and chlorion, 80 μ s/cm are down to by the electrical conductivity of water by 400 μ s/cm；
Activated carbon filter plant is the impurity such as filtering Organic substance in water, chlorine residue, after improving water quality, the transformation of this water treatment system, water
Matter is obviously improved；
（2）Smart match system transformation：
The waterglass weak solution essence of precipitated silica preparation process is changed to smart slot allocation inner liner stainless steel with Pot Lining carbon steel sheet
Plate, avoids waterglass weak solution and is contacted with carbon steel sheet, increases iron content；
（3）Process optimization：
A optimum synthesis workshop sulfuric acid and water glass solution flow rate:It is 0.017m3/ by synthetic workshop sulfuric acid solution flow rate adjustment
Min, is 0.019m3/min by synthetic workshop water glass solution flow rate adjustment；
B optimum synthesis workshop reaction temperature；The reaction temperature of synthetic workshop is adjusted to 70 DEG C；
C does not add anti-yellowing dose when dissolving rotary spherical digester；
D does not add fluorescent whitening agent in synthetic workshop, press filtration in workshop.
（4）Sulfuric acid storage tank is transformed：
The sulfuric acid storage tank of precipitated silica preparation process is changed to sulfuric acid storage tank and pipeline with liner, the pipeline connection
Sulfuric acid storage tank upper and lower end with liner, significantly improves the phenomenon that sulfuric acid turns yellow in sulfuric acid storage process, prevents
The generation of sour mud in sulfuric acid storage tank；Sulfuric acid quality is not only significantly improved, and has prevented the environmental protection pressure that the sour mud of cleaning is brought
And security risk；
Further, fungicide is sodium hypochlorite in the disinfectant control device.
Further, raw material is styrene or acrylate in the cation and anion exchange equipment.
Further, filter core is cocoanut active charcoal in the activated carbon filter plant.
Further, the smart slot allocation inner liner stainless steel plate is made of 304 stainless steel materials.
Further, filtered in the pressure-filtering process using diaphragm plate frame filter press.
White carbon physical and chemical indexes prepared by the method for the present invention（BET specific surface area, oil absorption value, particle diameter etc.）Precipitated with tradition
The numerical value phase of white carbon physical and chemical indexes prepared by method white carbon preparation process in BET specific surface area, oil absorption value, particle diameter etc.
Difference is no more than ± 0.1, also, is free of fluorescent whitening agent.
Claims (6)
1. a kind of white carbon black production technique without using fluorescent whitening agent, it is characterised in that comprise the following steps：
（1）Water treatment system is transformed
On the basis of the water treatment system of precipitated silica preparation process, increase disinfectant control device, zwitterion
Equipment, activated carbon filter plant, for improving water quality；
（2）Smart match system transformation：
The waterglass weak solution essence of precipitated silica preparation process is changed to smart slot allocation inner liner stainless steel with Pot Lining carbon steel sheet
Plate；
（3）Process optimization：
Sulfuric acid and water glass solution flow rate in a optimum synthesis reaction process:It is by synthetic workshop sulfuric acid solution flow rate adjustment
0.015-0.018m3/min, is 0.018-0.02m3/min by synthetic workshop water glass solution flow rate adjustment；
B optimum synthesis workshop reaction temperature；The reaction temperature of synthetic workshop is adjusted to 60-75 DEG C；
C does not add anti-yellowing dose when dissolving rotary spherical digester；
D does not add fluorescent whitening agent in synthetic reaction, pressure-filtering process.
2. a kind of white carbon black production technique without using fluorescent whitening agent as claimed in claim 1, it is characterised in that described to disappear
It is sodium hypochlorite to kill fungicide in microbial inoculum control device.
A kind of 3. white carbon black production technique without using fluorescent whitening agent as claimed in claim 1, it is characterised in that described the moon
Raw material is styrene or acrylate in cation exchange unit.
A kind of 4. white carbon black production technique without using fluorescent whitening agent as claimed in claim 1, it is characterised in that the work
Filter core is cocoanut active charcoal in property charcoal filter plant.
A kind of 5. white carbon black production technique without using fluorescent whitening agent as claimed in claim 1, it is characterised in that the essence
Slot allocation inner liner stainless steel plate is made of 304 stainless steel materials.
A kind of 6. white carbon black production technique without using fluorescent whitening agent as claimed in claim 1, it is characterised in that the pressure
Filtered during filter using diaphragm plate frame filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711277682.0A CN107915232A (en) | 2017-12-06 | 2017-12-06 | A kind of white carbon black production technique without using fluorescent whitening agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711277682.0A CN107915232A (en) | 2017-12-06 | 2017-12-06 | A kind of white carbon black production technique without using fluorescent whitening agent |
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| Publication Number | Publication Date |
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| CN107915232A true CN107915232A (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711277682.0A Pending CN107915232A (en) | 2017-12-06 | 2017-12-06 | A kind of white carbon black production technique without using fluorescent whitening agent |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058412A (en) * | 2014-07-10 | 2014-09-24 | 福建远翔化工有限公司 | Production method of white carbon black with high yellowing resistance |
| CN104291344A (en) * | 2014-10-28 | 2015-01-21 | 通化双龙化工股份有限公司 | Production method for white carbon black with high additive amount |
-
2017
- 2017-12-06 CN CN201711277682.0A patent/CN107915232A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058412A (en) * | 2014-07-10 | 2014-09-24 | 福建远翔化工有限公司 | Production method of white carbon black with high yellowing resistance |
| CN104291344A (en) * | 2014-10-28 | 2015-01-21 | 通化双龙化工股份有限公司 | Production method for white carbon black with high additive amount |
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Application publication date: 20180417 |
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