CN110482613A - A kind of technique preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION - Google Patents
A kind of technique preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION Download PDFInfo
- Publication number
- CN110482613A CN110482613A CN201910787834.4A CN201910787834A CN110482613A CN 110482613 A CN110482613 A CN 110482613A CN 201910787834 A CN201910787834 A CN 201910787834A CN 110482613 A CN110482613 A CN 110482613A
- Authority
- CN
- China
- Prior art keywords
- manganese sulfate
- sulfuric acid
- solution
- manganese
- waste sulfuric
- 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.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The present invention relates to Waste Sulfuric Acids to prepare manganese sulfate technical field, specifically a kind of technique for preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION, the organic impurities in manganese sulfate is removed by acidolysis, filters pressing, standing sedimentation removal of impurities, filtering, concentration, centrifuge separation, dry, high-temperature oxydation, obtains manganese sulfate.Utilize the use of calcium hydroxide and manganese dioxide cooperation barium sulphide and manganous fluoride, the inorganic impurity in Waste Sulfuric Acid can be removed, the organic impurities in manganese sulfate is eliminated using high-temperature oxydation, and resulting filter residue may be used as the industry of manufacture brick and cement after using calcium hydroxide and manganese dioxide acidleach, the waste of the energy is saved, reduce dye industry Waste Sulfuric Acid processing cost in chemical industrial field, improves profit.
Description
Technical field
The present invention relates to Waste Sulfuric Acids to prepare manganese sulfate technical field, specifically a kind of to be prepared using Waste Sulfuric Acid in DYE PRODUCTION
The technique of manganese sulfate.
Background technique
Dye industry spent acid in China fine chemical industry field have the following characteristics that it is from a wealth of sources, sulfonation, nitrification,
The techniques such as neutralization, reduction, oxidation, the drying of gas can all generate a large amount of Waste Sulfuric Acid, in production disperse dyes intermediate process
In 1 ton of dyestuff of every production generates 2.5 tons of concentration about as the Waste Sulfuric Acid of 15%-45, the impurity in dye industry Waste Sulfuric Acid is due to making
Occasion is different and there are many type, complex in composition.These impurity can be divided into inorganic and organic two major classes.Dye industry is useless at present
Impurity removing in sulfuric acid mainly takes inorganic impurity mainly to be removed with the methods of condensing crystallizing, freezing and crystallizing, dialysis, reverse osmosis
It goes.Organic impurities is mainly removed with the methods of concentration, air lift, freezing, hydrolysis, extraction, absorption, oxidation, thermal decomposition, completely burned
It goes.Dye industry Waste Sulfuric Acid processing cost is big in summary, increases the environmental burden of enterprise.
Chinese patent discloses a kind of (to be awarded with the manganese spar processing Waste Sulfuric Acid method for preparing high purity manganese sulfate and its hydrate
Weigh notification number CN102092793A), the patented technology is low in cost, profit is high, the huge market demand, and technique and production are set
It is standby simple；It is a kind of more actual processing and using method, this method can not only create considerable economic value, also eliminate
Chemical sludge has administered environmental pollution, but the patent and Waste Sulfuric Acid in the market are prepared in the technique of manganese sulfate, because useless
Sulfuric acid concentration is generally relatively low, and impurity content is higher, and Waste Sulfuric Acid contains inorganic and organic impurities object, and removal is more difficult, therefore, this
Field technical staff provides a kind of technique that manganese sulfate is prepared using Waste Sulfuric Acid in DYE PRODUCTION, to solve above-mentioned background technique
The problem of middle proposition.
Summary of the invention
The purpose of the present invention is to provide a kind of techniques that manganese sulfate is prepared using Waste Sulfuric Acid in DYE PRODUCTION, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of prepare sulphur using Waste Sulfuric Acid in DYE PRODUCTION
The technique of sour manganese, the raw material of the technique include Waste Sulfuric Acid and manganese spar, further include MnO2, calcium hydroxide, cleanser, the technique
Detailed process are as follows:
S1, a certain amount of water is injected in acidleach kettle, opens stirring, and manganese spar and Waste Sulfuric Acid are added by a certain percentage,
And according to the iron content in manganese spar, suitable MnO is added2, acidleach is carried out, and suitable Ca (OH) is added2, then control acidleach
Temperature in kettle makes its temperature rise to 95 DEG C, then keeps the temperature 3-6h, when pH value is adjusted to 5.5 or so, Fe in this Process liquor2+
Through being oxidized to Fe3+, Fe3+With SO4 2-Form ferric sulphate precipitate object, Fe3+With OH-Form bulky ferric hydroxide precipitate, SO4 2-With Ca2+
Form calcium sulfate precipitation object；
S2, after above-mentioned acidleach, above-mentioned acquired solution is filtered, filtrate and filter residue in solution are divided
From the filter residue discharge of bottom will be sunk to, then after standing a period of time, filtered filtrate is sent into settling tank；
S3, after solution filtered in S2 step is sent into settling tank, a certain amount of cleanser is added into settling tank,
It is reacted, remove the Mg in solution2+And Pb2+, it is handled using filter, separates filtrate and filter residue in solution, filter residue row
After out, then a period of time is stood, gained manganese sulfate solution is pumped into MVR efficient concentration equipment；
S4, centrifugation is put into using the moisture of MVR efficient concentration equipment evaporation manganese sulfate filtrate, then by the manganese sulfate after concentration
Centrifugal dehydration treatment is carried out in seperator, and then obtains moist manganese sulfate crystal；
S5, the resulting manganese sulfate crystal of above-mentioned S4 step is put into flash dryer carries out drying and processing again, temperature control
System is at 100-110 DEG C, so that dry manganese sulfate crystal be made；
S6, it finally the manganese sulfate crystal dried made from S5 is put into stills for air blowing carries out high temperature oxidation process, and by kettle
Interior temperature rises to 400 DEG C, keeps the temperature 1-2h, removes organic impurities a small amount of in manganese sulfate, can be prepared by standard compliant sulfuric acid
Manganese crystal；
S7, above-mentioned resulting manganese sulfate crystal is crushed by pulverizer, is packed, can be prepared by finished product sulfuric acid manganese.
As a further solution of the present invention: the manganese spar uses the fine powder of 320 meshes, and contained main in manganese spar
Impurity are as follows: the MgO of 10% FeS, 2% CaO, 0.5% PbO and 0.5%.
As further scheme of the invention: H in the Waste Sulfuric Acid2SO4Content be the 25.2%, content of organic matter
It is 1.2%, the organic matter is mainly isatin (C8H5NO2) and 1- amino anthraquinones (C14H9NO2), MnCO in the manganese spar3's
Content is 17.7%, the content of Fe is 10.6%, moisture content≤20%.
As further scheme of the invention: the Ca in the S1 in precipitation solution2+And Fe2+Be specially following step
It is rapid:
A, MnO is added2With Ca (OH)2, Fe in solution2+In MnO2Under the action of be oxidized to Fe3+, Fe3+In solution
SO4 2-Reaction generates ferric sulphate precipitate object；
B, the OH in calcium hydroxide-With Fe3+Reaction, obtains bulky ferric hydroxide precipitate, while SO in solution4 2-It also can be with Ca2+
Reaction, obtains calcium sulfate precipitation object.
As further scheme of the invention: the cleanser uses barium sulphide and manganous fluoride, precipitates in the S3 molten
Mg in liquid2+、Pb2+And Ba2+Specific steps are as follows:
C, barium sulphide and manganous fluoride are added in settling tank, are reacted with the solution in settling tank, in manganous fluoride fluorine from
Son is reacted with the magnesium ion in solution, generates MgF2Sediment, wherein Ba2+With SO4 2-Reaction production barium sulfate precipitate object；
D, it when solution ph is less than 10, is added in solution and is hydrolyzed using barium sulphide, generate hydroxide ion, then lead to
It crosses hydroxide ion to react with the lead ion in solution, and then generates Pb (OH)2Sediment.
As further scheme of the invention: the control of MVR thickening temperature is at 80 DEG C -100 DEG C in the S4, centrifuge separation
Temperature is controlled at 60 DEG C.
Compared with prior art, the beneficial effects of the present invention are: the Waste Sulfuric Acid that the present invention will generate during DYE PRODUCTION
It is handled, makes its cycling and reutilization, by the way that manganese spar, manganese dioxide, calcium hydroxide and cleanser barium sulphide and fluorine is added
Change manganese, by the process such as acidleach, filters pressing, standing sedimentation removal of impurities, filtering, concentration, centrifuge separation, dry, so that impurity iron
Ion, calcium ion, magnesium ion, lead ion and barium ions make it obtain sediment iron hydroxide, ferric sulfate, calcium sulfate, sulfuric acid
Obtained manganese sulfate is finally passed through high temperature oxygen again by barium, lead hydroxide, magnesium fluoride sediment, while the manganese sulfate needed
Change removal organic impurities and obtain standard compliant manganese sulfate, the integrated artistic that this waste liquid prepares manganese sulfate is simple, and what is generated sinks
Starch impurity may be used as manufacture brick and cement, save the waste of the energy, the present invention not only reduces in chemical industrial field
Dye industry Waste Sulfuric Acid processing cost, improves the profit of enterprise, is more advantageous to the protection of environment.
Detailed description of the invention
Fig. 1 is a kind of flow chart of technique that manganese sulfate is prepared using Waste Sulfuric Acid in DYE PRODUCTION.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of technique for preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION should in the embodiment of the present invention
The raw material of technique includes Waste Sulfuric Acid and manganese spar, further includes MnO2, calcium hydroxide, cleanser, wherein manganese spar use 320 meshes
Fine powder, and contained major impurity in manganese spar are as follows: the MgO of 10% FeS, 2% CaO, 0.5% PbO and 0.5%.
Further, H in Waste Sulfuric Acid2SO4Content be 25.2%, the content of organic matter is 1.2%, organic matter is mainly
Isatin (C8H5NO2) and 1- amino anthraquinones (C14H9NO2), MnCO in manganese spar3Content be 17.7%, the content of Fe is
10.6%, moisture content≤20%.
A kind of technique preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION, the detailed process of the technique are as follows:
S1, a certain amount of water is injected in acidleach kettle, opens stirring, and manganese spar and Waste Sulfuric Acid are added by a certain percentage,
And according to the iron content in manganese spar, suitable MnO is added2, acidleach is carried out, and suitable calcium hydroxide is added, then control acid
Soak kettle in temperature, so that its temperature is risen to 95 DEG C, then keep the temperature 3-6h, be adjusted to 5.5 or so to pH value, this step primarily to
Remove the Ca in solution2+-And Fe3+, specific principle process are as follows: MnO is added2With Ca (OH)2, Fe in solution first2+In MnO2
Oxidation under be oxidized to Fe3+, Fe3+Again respectively with OH in solution-And SO4 2-Reaction forms iron hydroxide and ferric sulfate is heavy
Starch, meanwhile, SO4 2-With the Ca in solution2+Reaction forms calcium sulfate precipitation object, manganese sulfate crystal is in addition made simultaneously, specifically
Chemical equation is as follows:
MnCO3+H2SO4→MnSO4+H2O+CO2,
MnO2+2FeSO4+2H2SO4→MnSO4+Fe2(SO4)3↓+2H2O,
Fe3++3(OH-)→Fe(OH)3↓,
Ca2++SO4 2-→CaSO4↓,
Above-mentioned steps provisional value obtains required manganese sulfate crystal, while the sediment that impurity elimination obtains can be used for building trade
Cement, brick prepare raw material；
S2, after above-mentioned acidleach, above-mentioned acquired solution is filtered, filtrate and filter residue in solution are divided
From the filter residue discharge of bottom will be sunk to, then after standing a period of time, filtered filtrate is sent into settling tank；
S3, after the filtered solution of S2 is sent into settling tank, a certain amount of cleanser is added into settling tank, and purify
Agent uses barium sulphide and manganous fluoride, reacted, removes the Mg in solution2+And Pb2+, handled using filter, make the filtrate in solution
It is separated with filter residue, after filter residue discharge, then after standing a period of time, gained manganese sulfate solution is pumped into MVR efficient concentration
In equipment；This step removes the Mg in solution2+And Pb2+Concrete principle process are as follows: barium sulphide and manganous fluoride are added to sedimentation
It in pond, is reacted with the solution in settling tank, is reacted using the fluorine ion in manganous fluoride with the magnesium ion in solution, generated
MgF2Sediment, reaction equation are as follows: Mg2++2F-→MgF2↓, wherein barium ions reacts production barium sulfate precipitate with sulfate ion
Object, reaction equation are as follows: Ba2++SO42-→BaSO4↓；When solution ph is less than 10, it is added in solution using barium sulphide and water occurs
Solution generates hydroxide ion, then is reacted by hydroxide ion with the lead ion in solution, and then generate Pb (OH)2Precipitating
Object, reaction equation are as follows: Pb2++2(OH-)→Pb(OH)2↓；
S4, by S3 step process it is complete after, manganese sulfate solution is concentrated using MVR efficient concentration equipment, be made
Manganese sulfate crystal with moisture, then the manganese sulfate crystal with moisture is put into centrifugal separator and carries out centrifugal treating, it will
Manganese sulfate crystal is separated with water, obtains manganese sulfate tide product crystal, and wherein the control of MVR thickening temperature is at 80 DEG C -100 DEG C, centrifugation
Separation temperature is controlled at 60 DEG C；
S5, above-mentioned resulting manganese sulfate crystal is put into flash dryer carries out drying and processing again, temperature control exists
100-110 DEG C, so that dry manganese sulfate crystal be made；
S6, it finally the manganese sulfate crystal dried made from S5 is put into stills for air blowing carries out high temperature oxidation process, and by kettle
Interior temperature rises to 400 DEG C, keeps the temperature 1-2h, removes a small amount of organic impurities contained in manganese sulfate, the inherently very strong oxygen of sulfuric acid
Agent, it can more thoroughly aoxidize organic impurities 400 DEG C of temperature, it is made to be transformed into the oxide of carbon dioxide, water, ammonia
Equal escaping gas are separated from manganese sulfate, can be prepared by standard compliant manganese sulfate crystal；；
S7, above-mentioned resulting manganese sulfate crystal is crushed by pulverizer, is packed, can be prepared by finished product sulfuric acid manganese.
According to above-mentioned steps method, pass through the index and National Industrial manganese sulfate of the industrial manganic sulfate that plant produced line obtains
Standard index comparison it is as shown in the table:
In conclusion present invention process is in process of production, using acidleach, removal of impurities, sedimentation and the process except filter is stood, it is right
Waste Sulfuric Acid is removed with the inorganic impurity in manganese spar solution, and further eliminates sulphur by 400 DEG C of high-temperature oxydation
Organic impurities in sour manganese, and then the Waste Sulfuric Acid for having reached DYE PRODUCTION is recycled, and is reduced in chemical industrial field,
The problem that Waste Sulfuric Acid processing cost is high in dye industry, processing is difficult, increases the profit of enterprise, while decreasing environment
Pollution.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of technique for preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION, which is characterized in that the raw material of the technique includes useless
Sulfuric acid and manganese spar further include MnO2, calcium hydroxide, cleanser, the detailed process of the technique are as follows:
S1, a certain amount of water is injected in acidleach kettle, opens stirring, and manganese spar and Waste Sulfuric Acid are added by a certain percentage, and root
According to the iron content in manganese spar, suitable MnO is added2, acidleach is carried out, and suitable Ca (OH) is added2, then control in acidleach kettle
Temperature, so that its temperature is risen to 95 DEG C, then keep the temperature 3-6h, be adjusted to 5.5 or so to pH value, Fe in this Process liquor2+Through aoxidizing
For Fe3+, Fe3+With SO4 2-Form ferric sulphate precipitate object, Fe3+With OH-Form bulky ferric hydroxide precipitate, SO4 2-With Ca2+Form sulfuric acid
Ca-deposit；
S2, after above-mentioned acidleach, above-mentioned acquired solution is filtered, filtrate and filter residue in solution are separated,
The filter residue discharge of bottom will be sunk to, then after standing a period of time, filtered filtrate will be sent into settling tank；
S3, after solution filtered in S2 step is sent into settling tank, a certain amount of cleanser is added into settling tank, through anti-
It answers, removes the Mg in solution2+And Pb2+, it is handled using filter, separates filtrate and filter residue in solution, filter residue discharge
Afterwards, then a period of time is stood, gained manganese sulfate solution is pumped into MVR efficient concentration equipment；
S4, centrifuge separation is put into using the moisture of MVR efficient concentration equipment evaporation manganese sulfate filtrate, then by the manganese sulfate after concentration
Centrifugal dehydration treatment is carried out in machine, and then obtains moist manganese sulfate crystal；
S5, the resulting manganese sulfate crystal of above-mentioned S4 step is put into flash dryer carries out drying and processing again, temperature control exists
100-110 DEG C, so that dry manganese sulfate crystal be made；
S6, it finally the manganese sulfate crystal dried made from S5 is put into stills for air blowing carries out high temperature oxidation process, and will be warm in kettle
Degree rises to 400 DEG C, keeps the temperature 1-2h, removes organic impurities a small amount of in manganese sulfate, and it is brilliant to can be prepared by standard compliant manganese sulfate
Body；
S7, above-mentioned resulting manganese sulfate crystal is crushed by pulverizer, is packed, can be prepared by finished product sulfuric acid manganese.
2. a kind of technique for preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION according to claim 1, which is characterized in that
The manganese spar uses the fine powder of 320 meshes, and contained major impurity in manganese spar are as follows: 10% FeS, 2% CaO, 0.5%
The MgO of PbO and 0.5%.
3. a kind of technique for preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION according to claim 1, which is characterized in that
H in the Waste Sulfuric Acid2SO4Content be 25.2%, the content of organic matter is 1.2%, the organic matter is mainly isatin (C8H5NO2)
With 1- amino anthraquinones (C14H9NO2), MnCO in the manganese spar3Content be 17.7%, the content of Fe is 10.6%, moisture content
≤20%。
4. a kind of technique for preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION according to claim 1, which is characterized in that
Ca in the S1 in precipitation solution2+And Fe2+Be specially following steps:
MnO is added2With Ca (OH)2 , Fe in solution2+In MnO2Under the action of be oxidized to Fe3+, Fe3+With the SO in solution4 2-Instead
Ferric sulphate precipitate object should be generated；
B, the OH in calcium hydroxide-With Fe3+Reaction, obtains bulky ferric hydroxide precipitate, while SO in solution4 2-It also can be with Ca2+Instead
It answers, obtains calcium sulfate precipitation object.
5. a kind of technique for preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION according to claim 1, which is characterized in that
The cleanser uses barium sulphide and manganous fluoride, the Mg in the S3 in precipitation solution2+、Pb2+And Ba2+Specific steps are as follows:
C, barium sulphide and manganous fluoride are added in settling tank, are reacted with the solution in settling tank, in manganous fluoride fluorine ion with
Magnesium ion reaction in solution, generates MgF2Sediment, wherein Ba2+With SO4 2-Reaction production barium sulfate precipitate object；
D, it when solution ph is less than 10, is added in solution and is hydrolyzed using barium sulphide, generate hydroxide ion, then pass through hydrogen
Oxygen radical ion is reacted with the lead ion in solution, and then generates Pb(OH)2Sediment.
6. a kind of technique for preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION according to claim 1, which is characterized in that
The control of MVR thickening temperature is at 80 DEG C -100 DEG C in the S4, and temperature control is at 60 DEG C when centrifugal separator separates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787834.4A CN110482613A (en) | 2019-08-23 | 2019-08-23 | A kind of technique preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787834.4A CN110482613A (en) | 2019-08-23 | 2019-08-23 | A kind of technique preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110482613A true CN110482613A (en) | 2019-11-22 |
Family
ID=68554005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910787834.4A Pending CN110482613A (en) | 2019-08-23 | 2019-08-23 | A kind of technique preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110482613A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170378A (en) * | 2019-12-30 | 2020-05-19 | 东营方圆有色金属有限公司 | Process method for refining battery-grade nickel sulfate from crude nickel sulfate |
| CN114229882A (en) * | 2021-12-31 | 2022-03-25 | 山东利特纳米技术有限公司 | Comprehensive utilization method of waste sulfuric acid and washing wastewater in graphene oxide preparation process |
| CN115159604A (en) * | 2022-07-23 | 2022-10-11 | 贵州金瑞新材料有限责任公司 | Evaporative crystallization method of manganese sulfate |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274471A (en) * | 2013-06-17 | 2013-09-04 | 中南大学 | Method for preparing electronic-grade manganese sulfate by utilizing ferro-manganese alloy furnace slag |
| CN105000599A (en) * | 2015-07-27 | 2015-10-28 | 江西睿锋环保有限公司 | Method for preparing high-purity manganous sulfate |
| CN105399116A (en) * | 2015-11-16 | 2016-03-16 | 中国科学院过程工程研究所 | System for treating waste acid with organic matters and treatment method and application of system |
| CN106186078A (en) * | 2016-07-27 | 2016-12-07 | 中信大锰矿业有限责任公司大新锰矿分公司 | A kind of method utilizing oil refining spent acid to prepare manganese sulfate |
| CN106745160A (en) * | 2017-01-06 | 2017-05-31 | 扈延斌 | The processing method of alkyl sulfur acid waste liquid |
| CN107555453A (en) * | 2017-09-25 | 2018-01-09 | 山东垚石化工科技有限公司 | A kind of technique of alkylate oil Waste Sulfuric Acid production anhydrous magnesium sulfate or/and high purity magnesium oxide |
| CN107815550A (en) * | 2017-12-08 | 2018-03-20 | 蒋央芳 | Method for producing battery-grade manganese sulfate and zinc sulfate from waste zinc-manganese batteries |
| CN108557895A (en) * | 2018-04-17 | 2018-09-21 | 广西锰华新能源科技发展有限公司 | A kind of preparation method of high purity manganese sulfate |
| CN109502651A (en) * | 2018-12-28 | 2019-03-22 | 湖南有色金属研究院 | A method of purification prepares manganese sulfate and battery electrode manganese dioxide from the Zinc electrolysis earth of positive pole |
| CN109574044A (en) * | 2018-11-20 | 2019-04-05 | 盘锦泓实环保科技有限公司 | A kind of production technology using alkylation spent acid production sulfate |
-
2019
- 2019-08-23 CN CN201910787834.4A patent/CN110482613A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274471A (en) * | 2013-06-17 | 2013-09-04 | 中南大学 | Method for preparing electronic-grade manganese sulfate by utilizing ferro-manganese alloy furnace slag |
| CN105000599A (en) * | 2015-07-27 | 2015-10-28 | 江西睿锋环保有限公司 | Method for preparing high-purity manganous sulfate |
| CN105399116A (en) * | 2015-11-16 | 2016-03-16 | 中国科学院过程工程研究所 | System for treating waste acid with organic matters and treatment method and application of system |
| CN106186078A (en) * | 2016-07-27 | 2016-12-07 | 中信大锰矿业有限责任公司大新锰矿分公司 | A kind of method utilizing oil refining spent acid to prepare manganese sulfate |
| CN106745160A (en) * | 2017-01-06 | 2017-05-31 | 扈延斌 | The processing method of alkyl sulfur acid waste liquid |
| CN107555453A (en) * | 2017-09-25 | 2018-01-09 | 山东垚石化工科技有限公司 | A kind of technique of alkylate oil Waste Sulfuric Acid production anhydrous magnesium sulfate or/and high purity magnesium oxide |
| CN107815550A (en) * | 2017-12-08 | 2018-03-20 | 蒋央芳 | Method for producing battery-grade manganese sulfate and zinc sulfate from waste zinc-manganese batteries |
| CN108557895A (en) * | 2018-04-17 | 2018-09-21 | 广西锰华新能源科技发展有限公司 | A kind of preparation method of high purity manganese sulfate |
| CN109574044A (en) * | 2018-11-20 | 2019-04-05 | 盘锦泓实环保科技有限公司 | A kind of production technology using alkylation spent acid production sulfate |
| CN109502651A (en) * | 2018-12-28 | 2019-03-22 | 湖南有色金属研究院 | A method of purification prepares manganese sulfate and battery electrode manganese dioxide from the Zinc electrolysis earth of positive pole |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170378A (en) * | 2019-12-30 | 2020-05-19 | 东营方圆有色金属有限公司 | Process method for refining battery-grade nickel sulfate from crude nickel sulfate |
| CN114229882A (en) * | 2021-12-31 | 2022-03-25 | 山东利特纳米技术有限公司 | Comprehensive utilization method of waste sulfuric acid and washing wastewater in graphene oxide preparation process |
| CN115159604A (en) * | 2022-07-23 | 2022-10-11 | 贵州金瑞新材料有限责任公司 | Evaporative crystallization method of manganese sulfate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2743355C1 (en) | Method of extracting vanadium from vanadium slag with high content of calcium and phosphorus | |
| CN110482613A (en) | A kind of technique preparing manganese sulfate using Waste Sulfuric Acid in DYE PRODUCTION | |
| CN108110357A (en) | A kind of method that valuable metal is recycled from positive material of waste lithium iron phosphate | |
| CN104944400B (en) | The technique that Hydrolyze method prepares iron phosphate | |
| CN105000599A (en) | Method for preparing high-purity manganous sulfate | |
| CN107720801B (en) | A method of blanc fixe is prepared using titanium white waste acid | |
| CN109368612A (en) | Method for preparing battery-grade iron phosphate by using iron phosphate production wastewater and iron phosphate prepared by method | |
| CN106834688B (en) | A kind of production method of LITHIUM BATTERY vanadium oxide | |
| CN110272144B (en) | Treatment method of iron phosphate production wastewater | |
| CN103588229A (en) | Production method for magnesium sulfate by using purple waste acid solution obtained in production of anthraquinone | |
| CN104438287A (en) | Arsenic sulfide waste residue recycling treatment method and device thereof | |
| CN104261473B (en) | A kind of preparation method of Vanadium Pentoxide in FLAKES | |
| WO2021134515A1 (en) | Battery-level ni-co-mn mixed solution and preparation method for battery-level mn solution | |
| CN108483418A (en) | A kind of LiFePO4 waste material treatment process | |
| CN106868304A (en) | A kind of method for reducing impurity content in zinc hydrometallurgy oxidation scum | |
| CN114671466A (en) | High-purity manganese sulfate and method for preparing high-purity manganese sulfate by using solubility property | |
| CN105036803B (en) | A kind of method that parcel gilvous pigment is prepared using acid soak acid pickle containing cadmium | |
| US2020918A (en) | Zinc sulphide | |
| CN102888512A (en) | Impurity removing method of vanadium solution | |
| CN110468275A (en) | Remove the method for sulfate radical and the product obtained by this method in rare-earth precipitation object | |
| CN102688665B (en) | Method for comprehensively treating Klaus tail gas and producing manganese sulfate | |
| JP2021529263A (en) | Methods for collecting rare earths | |
| CN101234787B (en) | Method for separating calcium and magnesium from oxides of manganese | |
| CN107381646B (en) | The method for preparing mangano-manganic oxide using acid-soluble manganese ore recycled based on sulphur, ammonia | |
| CN112063839B (en) | Process for preparing manganese sulfate by manganese sulfide wet method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191122 |