CN110129563A - The preparation method and chloride ion removal technique of chloride ion cleanser in a kind of manganese electrolyte - Google Patents
The preparation method and chloride ion removal technique of chloride ion cleanser in a kind of manganese electrolyte Download PDFInfo
- Publication number
- CN110129563A CN110129563A CN201910469220.1A CN201910469220A CN110129563A CN 110129563 A CN110129563 A CN 110129563A CN 201910469220 A CN201910469220 A CN 201910469220A CN 110129563 A CN110129563 A CN 110129563A
- Authority
- CN
- China
- Prior art keywords
- chloride ion
- solution
- antichlor
- dechlorination
- cleanser
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B47/00—Obtaining manganese
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/06—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese
- C25C1/10—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese of chromium or manganese
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a kind of preparation methods of chloride ion cleanser in manganese electrolyte, comprising the following steps: A1: being mixed using bismuth nitrate with large aperture wood activated charcoal；A2: the A1 is slowly added to ammonium carbonate, is stirred 1 hour；A3: the solution in the A2 is subjected to PH adjusting, is then filtered；A4: the A3 filter residue is dried and obtains antichlor；A kind of chloride ion removal technique, comprising the following steps: B1: the activation processing of antichlor weighs the antichlor powder that weight is 15 times of Chlorine in Solution ion concentration or so, by the product mass ratio 4:1 mixing of liquid solid.Adsorbing chloride ions ability of the present invention is strong, and dechlorination effect is good, effectively reduces dechlorination cost, and will not generate secondary pollution in dechlorination, meanwhile, regenerability is good, can be recycled 500 times or more.
Description
Technical field
The present invention relates to a kind of preparations of chloride ion cleanser in manganese technical field of wet metallurgy more particularly to manganese electrolyte
Method and chloride ion removal technique.
Background technique
Hydrometallurgy is exactly that metalliferous mineral raw material is chemically treated or is had in the aqueous solution of acid medium or alkaline medium
Solvent extraction, the process for separating impurity, extraction metal and its compound dechlorinate in hydrometallurgy process, existing
Have in technology, is dechlorinated by antichlor.
But in the prior art, antichlor adsorbing chloride ions ability is not strong enough, dechlorination be not thorough, dechlorinate it is at high cost, and
Secondary pollution can be generated during dechlorination, meanwhile, antichlor regenerability is poor, for this purpose, proposing chloride ion in a kind of manganese electrolyte
The preparation method and chloride ion removal technique of cleanser.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of systems of chloride ion cleanser in manganese electrolyte
Preparation Method and chloride ion removal technique.
The preparation method of chloride ion cleanser in a kind of manganese electrolyte provided by the invention, which is characterized in that including following
Step:
A1: it is mixed using bismuth nitrate with large aperture wood activated charcoal；
A2: the A1 is slowly added to ammonium carbonate, is stirred 1 hour；
A3: the solution in the A2 is subjected to PH adjusting, is then filtered；
A4: the A3 filter residue is dried and obtains antichlor.
A kind of chloride ion removal technique, which comprises the following steps:
B1: the activation processing of antichlor weighs the antichlor powder that weight is 15 times of Chlorine in Solution ion concentration or so, presses
The product mass ratio 4:1 mixing of liquid solid, is added to stir about in configured good 100g/L sulfuric acid solution for antichlor powder
30min obtains slurry.
B2: slurry described in B1 is added in solution to be processed, is stirred to react at normal temperature by the dechlorination process of solution,
Ammonium hydroxide neutralization is added after 40min, solution pH value is adjusted to 3.5 or more, continues filters pressing after stirring 20min, filter residue is obtained, after dechlorination
Liquid enters vulcanization and stands pond, and residue washing on carry out machine, removes remaining acid manganese liquid in slagging-off, avoid in alkali cleaning work on filter press
The waste of sequence alkali, water lotion are recycled, and manganese ion more renews water after reaching a certain concentration.
B3: alkali cleaning and regeneration filter residue described in B2 are added in NaOH lye, according to certain liquid-solid ratio in temperature 65
Filters pressing after DEG C alkali cleaning stirring 60min, filtrate cycle use, and alkali cleaning filter residue carries out slagging after washing on machine with water on a filter press,
Wash water is used as washing water on the machine in one section of dechlorination；Alkali cleaning filter residue is activated referring to first step activation process, obtained slurry
Dechlorination process step into the 2nd batch of solution is recycled with realizing.
Preferably, in the A1, the partial size of active carbon is 100 microns, and the quality proportioning of bismuth nitrate and active carbon is 80:
20。
Preferably, in the A3, pH value is adjusted to 6 or so.
Preferably, it in the A4, is dried by baking oven, and the model 101A-2 of baking oven.
Preferably, in the B1, chemical principle C-Bi2O3+H2SO4 --- (C-Bi2O3) 2SO4+H2O.
Preferably, in the B2, chemical principle is (C-Bi2O3) 2SO4+MnCl --- 2C-BiOCl+MnSO4.
Preferably, in the B3, chemical principle C-BiOCl+NaOH --- BiOOH+NaCl.
Beneficial effects of the present invention: adsorbing chloride ions ability of the present invention is strong, dechlorination effect it is good, effectively reduce dechlorination at
This, and secondary pollution will not be generated in dechlorination, meanwhile, regenerability is good, can be recycled 500 times or more.
Detailed description of the invention
Fig. 1 is the process flow chart of invention
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one
17 grams of antichlors are added in the electrolytic manganese anodic dissolution for being 35g/L to 68g sulfuric acid content, blender is started, stirs
Pulp in 20 minutes is mixed, is 2 with the pH value that dilute sulfuric acid adjusts pulp reaction end, adds slurry into 1000ml chloride ion to be processed
Content is to be sufficiently stirred 60 minutes at 52 DEG C with 60 revs/min of stirring rate, use is dilute in the electrolytic manganese solution of 1160mg/L
The pH value that sulfuric acid adjusts dechlorination reaction end is 4.6, filtering, and chloride ion content is 87g/L in filtrate, and the removal efficiency of chlorine is
92.5%.
Embodiment two
18 grams of antichlors are added in the electrolytic manganese anodic dissolution for being 40g/L to 90g sulfuric acid content, blender is started, stirs
Pulp in 25 minutes is mixed, is 3 with the pH value that sparse acid adjusts pulp reaction end, adds slurry into 1000ml chloride ion to be processed
Content is to be sufficiently stirred 45 minutes at 55 DEG C with 60 revs/min of stirring rate, use is dilute in the electrolytic manganese solution of 1230mg/L
The pH value that sulfuric acid adjusts dechlorination reaction end is 4.8, filtering, and chloride ion contains in filtrate
Amount is 71.34g/L, and the removal efficiency of chlorine is 94.2%.
Embodiment three
11 grams of antichlors are added in the electrolytic manganese anodic dissolution for being 30g/L to 66g sulfuric acid content, blender is started, stirs
Mix pulp in 30 minutes, with dilute sulfuric acid adjust pulp reaction end pH value be 1, add slurry into 1000 milliliters of chlorine to be processed from
Sub- content is to be sufficiently stirred 55 minutes at 51 DEG C with 60 revs/min of stirring rate in the electrolytic manganese solution of 863mg/L, is used
The pH value that dilute sulfuric acid adjusts dechlorination reaction end is that chloride ion content is 100.11mg/L in 4.4. filtrate, and the removal efficiency of chlorine is
88.4%.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. the preparation method of chloride ion cleanser in a kind of manganese electrolyte, which comprises the following steps:
A1: it is mixed using bismuth nitrate with large aperture wood activated charcoal；
A2: the A1 is slowly added to ammonium carbonate, is stirred 1 hour；
A3: the solution in the A2 is subjected to PH adjusting, is then filtered；
A4: the A3 filter residue is dried and obtains antichlor.
2. a kind of chloride ion removal technique, which comprises the following steps:
B1: the activation processing of antichlor weighs the antichlor powder that weight is 15 times of Chlorine in Solution ion concentration or so, solid by liquid
Volume mass ratio 4:1 mixing, is added to stir about 30min in configured good 100g/L sulfuric acid solution for antichlor powder, obtains
To slurry.
B2: slurry described in B1 is added in solution to be processed, is stirred to react at normal temperature by the dechlorination process of solution, 40min
Ammonium hydroxide be added afterwards neutralize and solution pH value is adjusted to 3.5 or more, continue to stir filters pressing after 20min, obtain filter residue, after dechlorination liquid into
Enter vulcanization and stand pond, residue washing on carry out machine, removes remaining acid manganese liquid in slagging-off, avoid in caustic wash process alkali on filter press
Waste, water lotion are recycled, and manganese ion more renews water after reaching a certain concentration.
B3: alkali cleaning and regeneration filter residue described in B2 are added in NaOH lye, according to certain liquid-solid ratio in 65 DEG C of alkali of temperature
Filters pressing after stirring 60min is washed, filtrate cycle uses, and alkali cleaning filter residue carries out slagging after washing on machine, wash water with water on a filter press
As washing water on the machine in one section of dechlorination；Alkali cleaning filter residue is activated referring to first step activation process, and obtained slurry enters
The dechlorination process step of 2nd batch of solution is recycled with realizing.
3. the preparation method of chloride ion cleanser in a kind of manganese electrolyte according to claim 1, which is characterized in that described
In A1, the partial size of active carbon is 100 microns, and the quality proportioning of bismuth nitrate and active carbon is 80:20.
4. the preparation method of chloride ion cleanser in a kind of manganese electrolyte according to claim 1, which is characterized in that described
In A3, pH value is adjusted to 6 or so.
5. the preparation method of chloride ion cleanser in a kind of manganese electrolyte according to claim 1, which is characterized in that described
It in A4, is dried by baking oven, and the model 101A-2 of baking oven.
6. a kind of chloride ion removal technique according to claim 2, which is characterized in that in the B1, chemical principle
For C-Bi2O3+H2SO4——(C-Bi2O3)2SO4+H2O。
7. a kind of chloride ion removal technique according to claim 2, which is characterized in that in the B2, chemical principle
For (C-Bi2O3)2SO4+MnCl——2C-BiOCl+MnSO4。
8. a kind of chloride ion removal technique according to claim 2, which is characterized in that in the B3, chemical principle
For C-BiOCl+NaOH --- BiOOH+NaCl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910469220.1A CN110129563A (en) | 2019-05-31 | 2019-05-31 | The preparation method and chloride ion removal technique of chloride ion cleanser in a kind of manganese electrolyte |
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| CN201910469220.1A CN110129563A (en) | 2019-05-31 | 2019-05-31 | The preparation method and chloride ion removal technique of chloride ion cleanser in a kind of manganese electrolyte |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734169A (en) * | 2019-12-23 | 2020-01-31 | 长沙华时捷环保科技发展股份有限公司 | Method for removing chlorine from acidic solutions |
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| EP1844857A2 (en) * | 2006-04-11 | 2007-10-17 | Lanxess Deutschland GmbH | Amphoteric ion exchangers for the adsorbtion of oxoanions |
| CN102154552A (en) * | 2011-03-17 | 2011-08-17 | 云南祥云飞龙有色金属股份有限公司 | Method for removing chlorine from chlorine-containing zinc sulfate solution by using bismuth trioxide |
| CN107630147A (en) * | 2017-09-26 | 2018-01-26 | 青海盛源吉冶金节能技术开发有限公司 | The method for removing chlorion in electrolytic manganese solution |
| CN108136362A (en) * | 2015-08-14 | 2018-06-08 | 巴斯夫公司 | Adsorbent and the method for manufacturing and using adsorbent |
| CN108220998A (en) * | 2018-03-08 | 2018-06-29 | 中南大学 | A kind of method of manganese sulfate electrolyte purification dechlorination |
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2019
- 2019-05-31 CN CN201910469220.1A patent/CN110129563A/en not_active Withdrawn
Patent Citations (6)
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|---|---|---|---|---|
| EP1844857A2 (en) * | 2006-04-11 | 2007-10-17 | Lanxess Deutschland GmbH | Amphoteric ion exchangers for the adsorbtion of oxoanions |
| CN102154552A (en) * | 2011-03-17 | 2011-08-17 | 云南祥云飞龙有色金属股份有限公司 | Method for removing chlorine from chlorine-containing zinc sulfate solution by using bismuth trioxide |
| CN108136362A (en) * | 2015-08-14 | 2018-06-08 | 巴斯夫公司 | Adsorbent and the method for manufacturing and using adsorbent |
| CN107630147A (en) * | 2017-09-26 | 2018-01-26 | 青海盛源吉冶金节能技术开发有限公司 | The method for removing chlorion in electrolytic manganese solution |
| CN108220998A (en) * | 2018-03-08 | 2018-06-29 | 中南大学 | A kind of method of manganese sulfate electrolyte purification dechlorination |
| CN108993391A (en) * | 2018-08-14 | 2018-12-14 | 长沙华盛新材料科技有限责任公司 | A kind of fluorine adsorbent and from fluorinated water removing recycling fluorine method |
Non-Patent Citations (1)
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| CN110734169A (en) * | 2019-12-23 | 2020-01-31 | 长沙华时捷环保科技发展股份有限公司 | Method for removing chlorine from acidic solutions |
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