CN108217746A - The method of high purity manganese sulfate and its product obtained are prepared with manganese carbonate miberal powder - Google Patents
The method of high purity manganese sulfate and its product obtained are prepared with manganese carbonate miberal powder Download PDFInfo
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- CN108217746A CN108217746A CN201611194542.2A CN201611194542A CN108217746A CN 108217746 A CN108217746 A CN 108217746A CN 201611194542 A CN201611194542 A CN 201611194542A CN 108217746 A CN108217746 A CN 108217746A
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- manganese sulfate
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/10—Sulfates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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Abstract
With manganese carbonate miberal powder prepare high purity manganese sulfate method and its product obtained, method and step it is as follows：The first step takes raw material to calcine after vulcanization Ore Leaching；Second step, removal of impurities；Third walks, purification；Up to the present invention.Not only raw material is easy to get the present invention, and production method is simple, easy to operation, solves the separation problem of heavy metal, can significantly reduce common manganese sulfate product beavy metal impurity content, particularly to removal potassium, sodium impurity it is with obvious effects, and obtain the extremely low manganese sulfate of potassium, sodium impurity content.
Description
Technical field
The present invention relates to a kind of production method of chemical products, the method that high purity manganese sulfate is especially prepared with manganese carbonate miberal powder
And its product obtained.
Background technology
Manganese sulfate is a kind of traditional manganese salt product, and purposes is very extensive.At present, domestic production of manganese sulfate as, mainly
Using pyrolusite as raw material, divide carbon fire reduction and wet reducing (reducing agents such as troilite, ferrous sulfate or titanium white waste acid) acidleach
Then two kinds of reducing leaching technologies carry out simply oxidation-hydrolysis except iron, vulcanization removing heavy metals again, filtering stands and sinks
Form sediment, solution crystallization, centrifugal dehydration drying, obtain technical grade, three kinds of ranks of feed grade or fine work grade manganese sulfate product, for changing
The fields such as fertilizer, feed, paint, pesticide.In recent years, with the development of New Energy Sources lithium manganate battery technology, with high-purity sulphuric acid
Manganese produces LiMn2O4 for raw material and is increasingly taken seriously, and technology is also more and more ripe.And foreign countries are for environmental protection, cost
The consideration of the various reasons such as consumption, the particularly developed countries such as America and Europe, Japan and Korea S, produce almost without manganese sulfate；China has become generation
Main manganese sulfate producing country and supply country in boundary, about 150,000 tons of annual output.Therefore, overseas lithium manganate battery manufacturer wishes
High-purity sulfuric acid manganese material is found by China, for the lithium battery that taps a new source of energy.
China's production of manganese sulfate as technology, either wet method or pyrogenic process, the main content of product produced is low, impurity
Content is high, is much unable to reach more than high purity manganese sulfate technical requirement.
Invention content
The purpose of the present invention is overcoming the above-mentioned deficiency of the prior art, and offer prepares high purity manganese sulfate with manganese carbonate miberal powder
Method and its product obtained.
Realizing above-mentioned purpose scheme of the present invention is：The method of high purity manganese sulfate and its production obtained are prepared with manganese carbonate miberal powder
Product, method and step are as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：44-55% sulfuric acid is added in, 75-85 DEG C or so, 1.4-1.6 atmospheric pressure is stirred to react, and filtering obtains sulphur
Sour manganese solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, goes calcium and magnesium ion
It after removing, precipitates, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, makes potassium, sodium ion removal
Afterwards, it precipitates, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium
Ion further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
Further technical solution is the present invention：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：55% sulfuric acid is added in, 85 DEG C or so, 1.6 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, goes calcium and magnesium ion
It after removing, precipitates, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, makes potassium, sodium ion removal
Afterwards, it precipitates, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium
Ion further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
Further technical solution is the present invention：
Its method and step is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：44% sulfuric acid is added in, 75 DEG C or so, 1.4 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, goes calcium and magnesium ion
It after removing, precipitates, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, makes potassium, sodium ion removal
Afterwards, it precipitates, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium
Ion further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
Technical solution of the invention further can also be：
Its method and step is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：50% sulfuric acid is added in, 80 DEG C or so, 1.5 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, goes calcium and magnesium ion
It after removing, precipitates, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, makes potassium, sodium ion removal
Afterwards, it precipitates, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium
Ion further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
The present invention has the following advantages that compared with prior art：Not only raw material is easy to get the present invention, and production method is simple, is convenient for
Operation, solves the separation problem of heavy metal, common manganese sulfate product beavy metal impurity content can be significantly reduced, particularly to going
Except potassium, sodium impurity it is with obvious effects, and obtain the extremely low manganese sulfate of potassium, sodium impurity content.
The present invention is further described below in conjunction with specific embodiment.
Specific embodiment
Embodiment 1
With manganese carbonate miberal powder prepare high purity manganese sulfate method and its product obtained, method and step it is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：55% sulfuric acid is added in, 85 DEG C or so, 1.6 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, goes calcium and magnesium ion
It after removing, precipitates, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, makes potassium, sodium ion removal
Afterwards, it precipitates, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium
Ion further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
Embodiment 2
With manganese carbonate miberal powder prepare high purity manganese sulfate method and its product obtained, method and step it is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：44% sulfuric acid is added in, 75 DEG C or so, 1.4 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, goes calcium and magnesium ion
It after removing, precipitates, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, makes potassium, sodium ion removal
Afterwards, it precipitates, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium
Ion further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
Embodiment 3
With manganese carbonate miberal powder prepare high purity manganese sulfate method and its product obtained, method and step it is as follows：
Its method and step is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：50% sulfuric acid is added in, 80 DEG C or so, 1.5 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, goes calcium and magnesium ion
It after removing, precipitates, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, makes potassium, sodium ion removal
Afterwards, it precipitates, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium
Ion further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
The above only to presently preferred embodiments of the present invention, not limits the present invention,
Any person skilled in the art is changed or is modified as what is changed on an equal basis possibly also with the technology contents of the disclosure above
Equivalent embodiment, every content for not departing from the present invention program, technical spirit according to the present invention are made to the above embodiment
Any simple modification, equivalent variations and remodeling, all fall in protection scope of the present invention.
Claims (5)
1. the method for high purity manganese sulfate is prepared with manganese carbonate miberal powder, it is characterized in that:
Its method and step is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：44-55% sulfuric acid is added in, 75-85 DEG C or so, 1.4-1.6 atmospheric pressure is stirred to react, and filtering obtains manganese sulfate
Solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, after removing calcium and magnesium ion,
Precipitation, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, after making potassium, sodium ion removal,
Precipitation, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium ion
It further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
2. the method for high purity manganese sulfate is prepared with manganese carbonate miberal powder as described in claim 1, it is characterized in that：
Its method and step is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：55% sulfuric acid is added in, 85 DEG C or so, 1.6 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, after removing calcium and magnesium ion,
Precipitation, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, after making potassium, sodium ion removal,
Precipitation, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium ion
It further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
3. the method for high purity manganese sulfate is prepared with manganese carbonate miberal powder as described in claim 1, it is characterized in that：
Its method and step is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：44% sulfuric acid is added in, 75 DEG C or so, 1.4 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, after removing calcium and magnesium ion,
Precipitation, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, after making potassium, sodium ion removal,
Precipitation, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium ion
It further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
4. the method for high purity manganese sulfate is prepared with manganese carbonate miberal powder as described in claim 1, it is characterized in that：
Its method and step is as follows：
The first step：Manganese carbonate miberal powder with coal dust is mixed according to a certain percentage, is calcined；
Second step：50% sulfuric acid is added in, 80 DEG C or so, 1.5 atmospheric pressure are stirred to react, and filtering obtains manganese sulfate solution；
Third walks：The manganese sulfate solution of second step is added in into cleaner MnF2, by adjusting pH value, after removing calcium and magnesium ion,
Precipitation, filtering；
4th step：The manganese sulfate solution of third step is added in into cleaner MnS, by adjusting pH value, after making potassium, sodium ion removal,
Precipitation, filtering；
5th step：The manganese sulfate solution of 4th step is added in into cleaner FeF3, by adjusting pH value, makes calcium, magnesium, potassium, sodium ion
It further after removal, precipitates, filtering；
6th step：By the manganese sulfate solution after removal of impurities, filtrate is concentrated, stands still for crystals, filters to get product of the present invention.
5. a kind of utilize the manganese sulfate product as made from claim 1-4 any one of them methods, it is characterized in that：The sulfuric acid
The content of beary metal of manganese product is respectively less than 0.2ppm.
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| CN201611194542.2A CN108217746A (en) | 2016-12-21 | 2016-12-21 | The method of high purity manganese sulfate and its product obtained are prepared with manganese carbonate miberal powder |
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Application publication date: 20180629 |
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