CN110395770A - A method of iron oxide red is produced using sludge material - Google Patents
A method of iron oxide red is produced using sludge material Download PDFInfo
- Publication number
- CN110395770A CN110395770A CN201910632681.6A CN201910632681A CN110395770A CN 110395770 A CN110395770 A CN 110395770A CN 201910632681 A CN201910632681 A CN 201910632681A CN 110395770 A CN110395770 A CN 110395770A
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- China
- Prior art keywords
- value
- oxidation
- iron oxide
- oxide red
- added
- 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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- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 25
- 239000010802 sludge Substances 0.000 title claims abstract description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 38
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 34
- 230000003647 oxidation Effects 0.000 claims abstract description 27
- 235000017550 sodium carbonate Nutrition 0.000 claims abstract description 19
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 239000000047 product Substances 0.000 claims abstract description 15
- 241000238370 Sepia Species 0.000 claims abstract description 13
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 13
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 13
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 13
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 13
- 239000012065 filter cake Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000002910 solid waste Substances 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 5
- 239000002351 wastewater Substances 0.000 claims abstract description 5
- 238000005273 aeration Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000005360 mashing Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000006213 oxygenation reaction Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A method of iron oxide red is produced using sludge material; method includes the following steps: (1) pre-processes: sludge material is in the Material of sepia; belong to dangerization solid waste; the material is that the waste water of mixed acid process iron oxide red technique output is neutralized through liquid alkaline, aeration and generate, through filters pressing formed filter cake collect; this technology is to add water to be beaten using by those sepia filter cakes; and pH value 5.0-6.0 is adjusted using ferrous sulfate, and divulge information in right amount, which uses as nucleus medium.(2) second oxidation: the sepia slurry completed is sent into oxidation barrel using pump, pipeline and is passed through air and be stirred；Carry out second oxidation, oxidization time is between 10-20 hours, steam is added in the process and air is reacted, continuously add and adjust pH value using soda ash and ferrous sulfate, temperature control is at 95 DEG C, pH value 5.0-6.0, finally the color form and aspect of output, index and regular oxidation iron oxide red are similar, meet national requirements, the product manufactured not only environmental protection but also cheap, a variety of advantages such as production method is simple.
Description
Technical field
The present invention relates to a kind of methods using sludge material production iron oxide red, belong to chemical field.
Background technique
Domestic many mixed acid process iron oxide reds are using in liquid alkaline progress and locating in environmental protection treatment in the waste water of production at present
Reason is in the Material of sepia in the sludge material generated through bubble air pressure filter, and the sludge Material is to belong to dangerization solid waste, general to look forward to
Industry can not be handled voluntarily, become the burden of daily danger solid waste management, influenced the sustainable development of enterprise, if the solid waste is not done
Processing, will generate tremendous influence to environment.
Summary of the invention
A kind of method using sludge material production iron oxide red of the present invention, it is molten to be changed to present soda ash for original liquid alkaline solution
Liquid, soda ash have more environmentally friendly processing mode relative to liquid alkaline, and are iron oxide reds using the technique of newest liquid phase method oxidation
More environmentally friendly in production process, to achieve the purpose of the present invention, a kind of method using sludge material production iron oxide red of the present invention should
Method the following steps are included:
(1) pre-process: sludge material is in the Material of sepia, belongs to dangerization solid waste, which is mixed acid process iron oxide red technique output
Waste water neutralized through liquid alkaline, aeration and generate, form filter cake through filters pressing and collect, this technology is using by those sepia filter cakes
Add water to be beaten, and adjust pH value 5.0-6.0 using ferrous sulfate, and divulge information in right amount, which uses as nucleus medium.
(2) second oxidation: by the sepia slurry completed using pump, pipeline be sent into oxidation barrel in and be passed through air into
Row stirring；Second oxidation is carried out, oxidization time is added steam in the process and air is reacted between 10-20 hours, benefit
Continuously add and adjust pH value with soda ash and ferrous sulfate, temperature control is at 95 DEG C, pH value 5.0-6.0, the color of final output
Form and aspect, index and regular oxidation iron oxide red are similar, meet national requirements, and the product manufactured was not only environmentally friendly but also cheap, production side
A variety of advantages such as method is simple.
(3) oxygenation parameters: it is synchronous in oxidation process that soda ash and ferrous sulfate is added, and control the temperature in oxidation barrel
It is 92 DEG C -95 DEG C, molar concentration 0.5-0.7mol/L, and carries out pH value monitoring during soda ash is added, by pH value control
System is between 5.0-6.0.
(4) by the product after second oxidation through filters pressing → rinsing → drying → crushing → blending → packaging.Qualified iron
Red product.
As preferred: pretreatment in the step (1) mashing is that filter cake Hui Yuancheng slurry and is adjusted pH value 5.0-
6.0.As preferred: steam is added in the process and air carries out instead between 10-20 hours for the oxidization time in (2)
It answers, adjusts pH value 5.0-6.0 using soda ash and sulphur Asia.
As preferred: the temperature in (3) is 95 DEG C, molar concentration 0.6mol/L, and in the process that soda ash is added
Middle progress pH value monitoring controls pH value in 5.0-6.0.
The advantages and positive effects of the present invention are:
1, the present invention is reacted using soda ash progress with ferrous sulfate, and the product of output does not pollute the environment, and soda ash is with respect to liquid
Alkali price is also cheap many, and both having reduced processing difficulty has the cost for reducing processing.
2, output product iron-content of the present invention is high, and the iron oxide red produced can be used as dye material use, increased product
Added value.
3, for simple production process of the present invention convenient for manipulation, construction cost and maintenance cost are low, and added value of product is high, reduce
The waste of social resources, energy conservation and environmental protection.
Specific embodiment
The present invention will be described in detail below: a kind of method using sludge material production iron oxide red of the present invention, this method
The following steps are included:
(1) pre-process: sludge material is in the Material of sepia, belongs to dangerization solid waste, which is mixed acid process iron oxide red technique output
Waste water neutralized through liquid alkaline, aeration and generate, form filter cake through filters pressing and collect, this technology is using by those sepia filter cakes
Add water to be beaten, and adjust pH value 5.0-6.0 using ferrous sulfate, and divulge information in right amount, which uses as nucleus medium.
(2) second oxidation: by the sepia slurry completed using pump, pipeline be sent into oxidation barrel in and be passed through air into
Row stirring；Second oxidation is carried out, oxidization time is added steam in the process and air is reacted between 10-20 hours, benefit
Continuously add and adjust pH value with soda ash and ferrous sulfate, temperature control is at 95 DEG C, pH value 5.0-6.0, the color of final output
Form and aspect, index and regular oxidation iron oxide red are similar, meet national requirements, and the product manufactured was not only environmentally friendly but also cheap, production side
A variety of advantages such as method is simple.
(3) oxygenation parameters: it is synchronous in oxidation process that soda ash and ferrous sulfate is added, and control the temperature in oxidation barrel
It is 92 DEG C -95 DEG C, molar concentration 0.5-0.7mol/L, and carries out pH value monitoring during soda ash is added, by pH value control
System is between 5.0-6.0.
(4) by the product after second oxidation through filters pressing → rinsing → drying → crushing → blending → packaging.Qualified iron
Red product.
In the step (1) plus pretreatment mashing is that filter cake Hui Yuancheng slurry and is adjusted pH value 5.0-6.0
Oxidization time in (2) is added steam in the process and air is reacted, utilization is pure between 10-20 hours
Alkali and sulphur Asia adjust pH value 5.0-6.0.
Temperature in (3) is 95 DEG C, molar concentration 0.6mol/L, and carries out pH value during soda ash is added
Monitoring controls pH value in 5.0-6.0.
The chemical equation of secondary response in step 3 of the present invention are as follows:
FeSo4+NaCo3—FeCo3+NaSo4
FeCo3+O2—Fe2O3
Present invention employs the techniques of soda ash, are medium using solid waste material, after carrying out secondary oxidation reaction, the iron oxide of production
The product of red iron oxide red, color form and aspect, index and regular oxidation iron oxide red are similar, meet national requirements, manufacture
Product not only environmental protection but also cheap, a variety of advantages such as production method is simple.
Claims (4)
1. a kind of method using sludge material production iron oxide red, it is characterised in that method includes the following steps:
(1) pre-process: sludge material is in the Material of sepia, belongs to dangerization solid waste, which is mixed acid process iron oxide red technique output
Waste water neutralized through liquid alkaline, aeration and generate, form filter cake through filters pressing and collect, this technology is using by those sepia filter cakes
Add water to be beaten, and adjust pH value 5.0-6.0 using ferrous sulfate, and divulge information in right amount, which uses as nucleus medium
(2) second oxidation: the sepia slurry completed is sent into oxidation barrel using pump, pipeline and is passed through air and stirred
It mixes；Second oxidation is carried out, oxidization time is added steam in the process and air is reacted, utilization is pure between 10-20 hours
Alkali and ferrous sulfate continuously add and adjust pH value, and temperature control is at 95 DEG C, pH value 5.0-6.0;
(3) oxygenation parameters: it is synchronous in oxidation process that soda ash and ferrous sulfate is added, and controlling the temperature in oxidation barrel is 92
DEG C -95 DEG C, molar concentration 0.5-0.7mol/L, and pH value monitoring is carried out during soda ash is added, pH value control is existed
Between 5.0-6.0;
(4) by the product after second oxidation through filters pressing → rinsing → drying → crushing → blending → packaging;Qualified iron oxide red produce
Product.
2. the method according to claim 1 using sludge material production iron oxide red, it is characterised in that pre- in the step (1)
Processing mashing is that filter cake Hui Yuancheng slurry and is adjusted pH value 5.0-6.0.
3. the method according to claim 1 using sludge material production iron oxide red, it is characterised in that when oxidation in (2)
Between between 10-20 hours, steam and air are added in the process and is reacted, is continuously added simultaneously using soda ash and ferrous sulfate
Adjust pH value 5.0-6.0.
4. the method according to claim 1 using sludge material production iron oxide red, it is characterised in that the temperature in (3) is
95 DEG C, molar concentration 0.6mol/L, and pH value monitoring is carried out during soda ash is added, pH value is controlled in 5.0-6.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910632681.6A CN110395770A (en) | 2019-07-14 | 2019-07-14 | A method of iron oxide red is produced using sludge material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910632681.6A CN110395770A (en) | 2019-07-14 | 2019-07-14 | A method of iron oxide red is produced using sludge material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110395770A true CN110395770A (en) | 2019-11-01 |
Family
ID=68325449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910632681.6A Pending CN110395770A (en) | 2019-07-14 | 2019-07-14 | A method of iron oxide red is produced using sludge material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110395770A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994963A (en) * | 2020-08-26 | 2020-11-27 | 湖南三环颜料有限公司 | Novel process for preparing iron oxide red by recycling sludge |
| CN112194189A (en) * | 2020-10-30 | 2021-01-08 | 焦作佰利联合颜料有限公司 | Process for preparing iron-based pigment from sulfur-chlorine coupling waste liquid |
| CN113292103A (en) * | 2021-05-25 | 2021-08-24 | 永兴朗丰色料实业有限公司 | Method for producing nano iron oxide red by utilizing solid waste |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB717938A (en) * | 1951-11-30 | 1954-11-03 | Reckitt S Colours Ltd | Improvements in or relating to the manufacture of red iron oxides |
| CN102557226A (en) * | 2011-12-30 | 2012-07-11 | 华南理工大学 | Production method for preparing iron oxide red seed crystal by using ferrite-containing waste water |
| CN102910683A (en) * | 2012-10-19 | 2013-02-06 | 南通宝聚颜料有限公司 | Production method for synthesizing nanoscale oxide iron red through full-wet method |
| CN106115793A (en) * | 2016-06-21 | 2016-11-16 | 阳山景润陶瓷色料实业有限公司 | A kind of ferric oxide red colorant and preparation method thereof |
-
2019
- 2019-07-14 CN CN201910632681.6A patent/CN110395770A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB717938A (en) * | 1951-11-30 | 1954-11-03 | Reckitt S Colours Ltd | Improvements in or relating to the manufacture of red iron oxides |
| CN102557226A (en) * | 2011-12-30 | 2012-07-11 | 华南理工大学 | Production method for preparing iron oxide red seed crystal by using ferrite-containing waste water |
| CN102910683A (en) * | 2012-10-19 | 2013-02-06 | 南通宝聚颜料有限公司 | Production method for synthesizing nanoscale oxide iron red through full-wet method |
| CN106115793A (en) * | 2016-06-21 | 2016-11-16 | 阳山景润陶瓷色料实业有限公司 | A kind of ferric oxide red colorant and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994963A (en) * | 2020-08-26 | 2020-11-27 | 湖南三环颜料有限公司 | Novel process for preparing iron oxide red by recycling sludge |
| CN112194189A (en) * | 2020-10-30 | 2021-01-08 | 焦作佰利联合颜料有限公司 | Process for preparing iron-based pigment from sulfur-chlorine coupling waste liquid |
| CN112194189B (en) * | 2020-10-30 | 2022-09-06 | 焦作佰利联合颜料有限公司 | Process for preparing iron-based pigment from sulfur-chlorine coupling waste liquid |
| CN113292103A (en) * | 2021-05-25 | 2021-08-24 | 永兴朗丰色料实业有限公司 | Method for producing nano iron oxide red by utilizing solid waste |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20191101 |