CN106745196A - A kind of production method of zinc sulfate - Google Patents
A kind of production method of zinc sulfate Download PDFInfo
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- CN106745196A CN106745196A CN201510826727.XA CN201510826727A CN106745196A CN 106745196 A CN106745196 A CN 106745196A CN 201510826727 A CN201510826727 A CN 201510826727A CN 106745196 A CN106745196 A CN 106745196A
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- zinc
- production method
- leachate
- zinc sulfate
- sulfuric acid
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/06—Sulfates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
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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
A kind of production method of zinc sulfate, zinc concentrate is ground into the powder of 50-80 mesh, is subsequently adding in sealing container；To the ferrous sulfate that addition mass fraction in container is zinc concentrate powder 1-3wt% as catalyst, while addition sulfuric acid solution；Electric mixer is opened, and is maintained 3-5 hours at being heated to 80-90 DEG C；Filtering, cooling, suction filtration, the leachate and leached mud for obtaining；Using Solvent Extraction Separation leachate, leachate obtains product through acidity adjustment, concentration, evaporation, crystallization, centrifugation, drying.The present invention ensure that the product purity of zinc sulfate, and resource maximizes the use.
Description
Technical field
The invention belongs to chemical technology field, a kind of production method of zinc sulfate is specifically referred to.
Background technology
Zinc sulfate is a kind of very important raw material of industry, is widely used in the industries such as chemical industry, agricultural, water process, plating.Zinc sulfate is also the primary raw material for producing zinc salt and lithopone, also can be used as the application such as timber and leather anti-corrosion, staple fibre precipitating reagent, gelatine clarification.Agriculturally in addition to for preventing fruit tree infested, trace-element fertilizer is mainly used as, inhibitor is made in ore dressing, ore deposit is used for preparing electrolyte etc. in electroplating industry.Additionally, because zinc is one of " life metal " and extremely people pay attention to, human body zinc-deficiency disease is prevented and treated on modern medicine with zinc Sulfate Syrup or sugar-tablet product.Zinc is also indispensable one kind trace element in feed, and zinc microelement is essentially from zinc sulfate, zinc carbonate, zinc oxide etc. in feed.It is more easy to be absorbed by livestock and poultry, and price is also lower has zinc content high than feed grade, and period of storage is long in sealed states, the advantages of prevented from caking.
Zn-ef ficiency is the important component of various enzymes in poultry body, and the normal development to poultry fur bone, the normal function of the development, reproductive capability and cardiovascular system of gustatory system all plays particularly important effect.Zn-ef ficiency is mainly distributed in the skin and hair of animal.It is the part such as many enzymes, protein, ribose in animal body as the replenishers of the zinc wanted needed for Animal nutrition.Zinc is not only involved in the metabolism of protein, lipid and carbohydrate in animal body, and relevant with prostaglandin, insulin.Zinc has the relation of interaction with trace element, vitamin simultaneously, for example, have antagonism, excessive calcium to hinder absorbing for Zn-ef ficiency in animal body with copper.Animal be can behave as in slight zinc-deficiency increased weight subtract ' it is unrestrained, therefore zinc is the important composition of the mineral trace element added needed for animal feeding.Feed level zinc sulfate is added in animal diets, can effectively prevent and treat the appetite caused by zinc-deficiency subtract late, growth retardation, the disease Zn-ef ficiency such as parakeratosis, skin are cracked from dryness, dorsal body setae is thick disorderly, depilation, wound are difficult healing and fecundity declines is present at least in the kind enzyme in human body, in children's body during zinc-deficiency, the symptoms such as apocleisis, slow in reacting, feeblemindedness, depauperation and disposition melancholy can be shown.From the experiment to white mouse growth rate it can be seen that, normal diet white mouse be the white mouse growth rate of diet zinc-deficiency times.When buck includes mankind's zinc-deficiency, then the jejune tendency of sexual function is showed.It is generally acknowledged that, the toxicity that zinc has is very low, allows the compound using some zinc in food and food containers, and zinc stearate, zinc-plated tin can are added such as in plastics feeder.Certainly, the symptom such as will be made one not feel well, can also cause vomiting, suffer from diarrhoea if excessively there is zinc in food.U.S. sanitary department once in clear stipulaties drinking water the content of zinc no more than skilful.If can also cause cough during the flue gas containing zinc of suction zinc abstraction factory or Chemical Manufacture discharge too much, vomit, headache, body temperature rises high discomfort, but does not result in permanent infringement, easily recovers.
Existing zinc sulfate production method is not reasonable, and processing step is complicated, and easily produces waste material, not only pollutes environment, and cause waste.Therefore, necessary a kind of production method of zinc sulfate of design.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of production method of zinc sulfate.
Present disclosure includes：
A kind of production method of zinc sulfate, comprises the following steps：
（1）Zinc concentrate is ground into the powder of 50-80 mesh, is subsequently adding in sealing container；
（2）To step（1）Container in add mass fraction be the ferrous sulfate of zinc concentrate powder 1-3wt% as catalyst, while adding sulfuric acid solution；
（3）Electric mixer is opened, and is maintained 3-5 hours at being heated to 80-90 DEG C；
（5）Filtering, cooling, suction filtration, the leachate and leached mud for obtaining；
（6）Using Solvent Extraction Separation leachate, leachate obtains product through acidity adjustment, concentration, evaporation, crystallization, centrifugation, drying.
In the present invention, as a kind of perferred technical scheme, step（2）In, the concentration of sulfuric acid solution is 15-17wt%.
In the present invention, as a kind of perferred technical scheme, step（2）In, sulfuric acid solution is with the mass ratio of zinc concentrate powder（108-115）：1.
In the present invention, as a kind of perferred technical scheme, step（5）In, leached mud uses tetrafluoroethene extraction and recovery byproduct sulphur.
In the present invention, as a kind of perferred technical scheme, step（6）In, extractant uses P507 sulfonated kerosene systems.
The beneficial effects of the invention are as follows,
Zinc concentrate is ground into the present invention powder of 50-80 mesh, is subsequently adding in sealing container；To the ferrous sulfate that addition mass fraction in container is zinc concentrate powder 1-3wt% as catalyst, while addition sulfuric acid solution；Electric mixer is opened, and is maintained 3-5 hours at being heated to 80-90 DEG C；Filtering, cooling, suction filtration, the leachate and leached mud for obtaining；Using Solvent Extraction Separation leachate, leachate obtains product through acidity adjustment, concentration, evaporation, crystallization, centrifugation, drying.By process above step, the present invention can farthest remove remaining element impurity in zinc concentrate, it is ensured that the product purity of zinc sulfate, while leached mud uses tetrafluoroethene extraction and recovery byproduct sulphur, resource maximizes the use.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, with reference to specific embodiment, the present invention is expanded on further.
Embodiment 1
A kind of production method of zinc sulfate, comprises the following steps：
（1）Zinc concentrate is ground into the powder of 50 mesh, is subsequently adding in sealing container；
（2）To step（1）Container in add mass fraction be the ferrous sulfate of zinc concentrate powder 1wt% as catalyst, while adding sulfuric acid solution, the concentration of sulfuric acid solution is 15wt%, and sulfuric acid solution is 108 with the mass ratio of zinc concentrate powder：1；
（3）Electric mixer is opened, and is maintained 3 hours at being heated to 80 DEG C；
（5）Filtering, cooling, suction filtration, the leachate and leached mud for obtaining, leached mud uses tetrafluoroethene extraction and recovery byproduct sulphur；
（6）Using Solvent Extraction Separation leachate, extractant uses P507 sulfonated kerosene systems, and leachate obtains product through acidity adjustment, concentration, evaporation, crystallization, centrifugation, drying.
Embodiment 2
A kind of production method of zinc sulfate, comprises the following steps：
（1）Zinc concentrate is ground into the powder of 80 mesh, is subsequently adding in sealing container；
（2）To step（1）Container in add mass fraction be the ferrous sulfate of zinc concentrate powder 3wt% as catalyst, while adding sulfuric acid solution, the concentration of sulfuric acid solution is 17wt%, and sulfuric acid solution is 115 with the mass ratio of zinc concentrate powder：1；
（3）Electric mixer is opened, and is maintained 5 hours at being heated to 90 DEG C；
（5）Filtering, cooling, suction filtration, the leachate and leached mud for obtaining, leached mud uses tetrafluoroethene extraction and recovery byproduct sulphur；
（6）Using Solvent Extraction Separation leachate, extractant uses P507 sulfonated kerosene systems, and leachate obtains product through acidity adjustment, concentration, evaporation, crystallization, centrifugation, drying.
Embodiment 3
A kind of production method of zinc sulfate, comprises the following steps：
（1）Zinc concentrate is ground into the powder of 60 mesh, is subsequently adding in sealing container；
（2）To step（1）Container in add mass fraction be the ferrous sulfate of zinc concentrate powder 2wt% as catalyst, while adding sulfuric acid solution, the concentration of sulfuric acid solution is 16wt%, and sulfuric acid solution is 110 with the mass ratio of zinc concentrate powder：1；
（3）Electric mixer is opened, and is maintained 4 hours at being heated to 85 DEG C；
（5）Filtering, cooling, suction filtration, the leachate and leached mud for obtaining, leached mud uses tetrafluoroethene extraction and recovery byproduct sulphur；
（6）Using Solvent Extraction Separation leachate, extractant uses P507 sulfonated kerosene systems, and leachate obtains product through acidity adjustment, concentration, evaporation, crystallization, centrifugation, drying.
Properties of product prepared by embodiment 1-3 are as follows：
| Project | Zinc sulfate content | Iron ion content | Manganese ion content |
| Embodiment 1 | 99.7 | 0.07 | 0.09 |
| Embodiment 2 | 99.6 | 0.08 | 0.11 |
| Embodiment 3 | 99.8 | 0.05 | 0.07 |
Those of ordinary skill in the art should be understood：The discussion of any of the above embodiment is exemplary only, it is not intended that imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, can also be combined between technical characteristic in above example or different embodiments, step can be realized with random order, and there are many other changes of different aspect of the invention as described above, and for simplicity, they are provided not in details.Therefore, all any omission, modification, equivalent, improvement within the spirit and principles in the present invention, made etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of production method of zinc sulfate, it is characterized in that, comprise the following steps：
（1）Zinc concentrate is ground into the powder of 50-80 mesh, is subsequently adding in sealing container；
（2）To step（1）Container in add mass fraction be the ferrous sulfate of zinc concentrate powder 1-3wt% as catalyst, while adding sulfuric acid solution；
（3）Electric mixer is opened, and is maintained 3-5 hours at being heated to 80-90 DEG C；
（5）Filtering, cooling, suction filtration, the leachate and leached mud for obtaining；
（6）Using Solvent Extraction Separation leachate, leachate obtains product through acidity adjustment, concentration, evaporation, crystallization, centrifugation, drying.
2. a kind of production method of zinc sulfate as claimed in claim 1, it is characterized in that, step（2）In, the concentration of sulfuric acid solution is 15-17wt%.
3. a kind of production method of zinc sulfate as claimed in claim 2, it is characterized in that, step（2）In, sulfuric acid solution is with the mass ratio of zinc concentrate powder（108-115）：1.
4. a kind of production method of zinc sulfate as claimed in claim 1, it is characterized in that, step（5）In, leached mud uses tetrafluoroethene extraction and recovery byproduct sulphur.
5. a kind of production method of zinc sulfate as claimed in claim 1, it is characterized in that, step（6）In, extractant uses P507 sulfonated kerosene systems.
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| CN201510826727.XA CN106745196A (en) | 2015-11-25 | 2015-11-25 | A kind of production method of zinc sulfate |
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| CN201510826727.XA CN106745196A (en) | 2015-11-25 | 2015-11-25 | A kind of production method of zinc sulfate |
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| CN106745196A true CN106745196A (en) | 2017-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206158A (en) * | 2020-03-02 | 2020-05-29 | 滦南丰淼环保科技有限公司 | Method for recycling blast furnace cloth bag dedusting ash |
| CN113277547A (en) * | 2021-05-11 | 2021-08-20 | 湖南博一环保科技有限公司 | Method for producing zinc sulfate by using low-zinc material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107153A (en) * | 1985-09-20 | 1987-04-01 | 贵州工学院 | Zinc ore concentrate or the direct leaching method of zinc vulcanizing mine normal pressure |
| CN1584072A (en) * | 2004-05-25 | 2005-02-23 | 云南冶金集团总公司 | Pressurizer self-catalytic selective leaching-out method for ferric zinc sulfide refining mine |
| CN101760613A (en) * | 2008-12-02 | 2010-06-30 | 中国恩菲工程技术有限公司 | Method for leaching zinc-containing ores |
| CN101974683A (en) * | 2010-11-10 | 2011-02-16 | 云南永昌铅锌股份有限公司 | Method for producing middle supernatant solution by carrying out two-step pressure acid leaching on high-iron zinc sulfide concentrate |
-
2015
- 2015-11-25 CN CN201510826727.XA patent/CN106745196A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107153A (en) * | 1985-09-20 | 1987-04-01 | 贵州工学院 | Zinc ore concentrate or the direct leaching method of zinc vulcanizing mine normal pressure |
| CN1584072A (en) * | 2004-05-25 | 2005-02-23 | 云南冶金集团总公司 | Pressurizer self-catalytic selective leaching-out method for ferric zinc sulfide refining mine |
| CN101760613A (en) * | 2008-12-02 | 2010-06-30 | 中国恩菲工程技术有限公司 | Method for leaching zinc-containing ores |
| CN101974683A (en) * | 2010-11-10 | 2011-02-16 | 云南永昌铅锌股份有限公司 | Method for producing middle supernatant solution by carrying out two-step pressure acid leaching on high-iron zinc sulfide concentrate |
Non-Patent Citations (2)
| Title |
|---|
| 王吉坤等: "《铅锌冶炼生产技术手段》", 31 January 2012 * |
| 王素敏: "利用锌精矿和软锰矿直接生产硫酸锌和硫酸锰及综合利用", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206158A (en) * | 2020-03-02 | 2020-05-29 | 滦南丰淼环保科技有限公司 | Method for recycling blast furnace cloth bag dedusting ash |
| CN111206158B (en) * | 2020-03-02 | 2021-07-30 | 唐山顺浩环保科技有限公司 | Method for recycling blast furnace cloth bag dedusting ash |
| CN113277547A (en) * | 2021-05-11 | 2021-08-20 | 湖南博一环保科技有限公司 | Method for producing zinc sulfate by using low-zinc material |
| CN113277547B (en) * | 2021-05-11 | 2023-05-30 | 湖南博一环保科技有限公司 | Method for producing zinc sulfate by using low-zinc material |
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