CN108251646A - The method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore - Google Patents
The method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore Download PDFInfo
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- CN108251646A CN108251646A CN201711262558.7A CN201711262558A CN108251646A CN 108251646 A CN108251646 A CN 108251646A CN 201711262558 A CN201711262558 A CN 201711262558A CN 108251646 A CN108251646 A CN 108251646A
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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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
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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
- C01G45/02—Oxides; Hydroxides
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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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
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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
- C22B47/00—Obtaining manganese
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- 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
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Abstract
The invention belongs to metallurgical and chemical fields, and in particular to a kind of method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore.This method restores manganese oxide ore using adsorbing the activated carbon adsorption slag obtained after electrolytic manganese solution suspended impurity and make reducing agent, not only turns waste into wealth, waste residue is made to be fully used, significantly reduce the cost of manganese oxide ore reduction roasting；And the roasting material of more than 90% conversion ratio can be obtained using activated carbon adsorption slag reduction roasting oxidation manganese powder, obtain up-to-standard manganese monoxide；Having reached turns waste into wealth, and reduces energy consumption, reduces production cost, the effect of energy-saving and emission-reduction.
Description
Technical field
The invention belongs to metallurgical and chemical fields, and in particular to a kind of to utilize activated carbon adsorption slag reduction roasting manganese oxide ore
The method for producing manganese monoxide.
Background technology
Manganese is indispensable additive in metallurgy industry, is the master for producing mangano-manganic oxide after electrolytic manganese processing powdering
Raw material is wanted, the widely used magnetic material original paper of electronics industry is produced with mangano-manganic oxide, electronics industry, metallurgical industry
Electrolytic manganese metal is required for aerospace industry.With the continuous development of science and technology with the continuous improvement of productivity level,
High-purity, low impurity feature of the electrolytic manganese metal due to it, succeeded and widely apply to smelting iron and steel, nonferrous metallurgy,
The every field such as electronic technology, chemical industry, environmental protection, food hygiene, welding rod industry, aerospace industry,
Electrolytic manganese metal is a kind of very important industrial chemicals, can be widely applied to steel, non-ferrous metal, chemical industry, medicine, food
The multiple fields such as product and scientific research in main production technology, are mainly the following method, and one kind is using manganese oxide ore as original
Material, roasting reduction, then through acidleach, deep purifying produces pure manganese salt solution, for electrolysis production, electrolyte is constant
Addition electrolytic cell in, through be powered be electrolysed a period of time after, take out with electro-deposition manganese cathode plate, it is passivated, washing, dry
After doing, divesting, manganese metal finished product is obtained；Another kind is using manganese carbonate ore as raw material, then through acidleach, iron removal by oxidation and deep purifying
Processing obtains pure manganese salt solution, and for being electrolysed, electrolyte is continual to be added in electrolytic cell, when being electrolysed one section through being powered
Between after, take out the cathode plate with electro-deposition manganese, it is passivated, wash, dry, divest after, obtain the electrolytic manganese metal of high-purity,
Secondly contained manganese waste material etc. for raw material, through acidleach, iron removal by oxidation and depth and deep purifying handle to obtain pure manganese salt molten
Liquid, for being electrolysed, electrolyte is continual to be added in electrolytic cell, after being powered and being electrolysed a period of time, is taken out with electro-deposition
The cathode plate of manganese, it is passivated, wash, dry, divest after, obtain manganese metal finished product.The people in electrolytic manganese metal production process
Suspended impurity purifying electrolysis liquid in absorption electrolytic manganese solution often is carried out using activated carbon, electrolyte is just then added to electrolysis
It is electrolysed in slot.And the activated carbon adsorption slag filtered out after adsorbing in actual production often directly moves slag library to when calcellation
Slag is stored, and is caused certain environment protection treating pressure to Electrolytic Manganese Metal Plant and is generated environment protection treating expense.Therefore, if can incite somebody to action
The activated carbon adsorption slag obtained after absorption electrolytic manganese solution suspended impurity is recycled the production technology in electrolytic manganese metal
In, to realizing that low cost and environmental-friendly production have great importance.
Invention content
The object of the present invention is to provide a kind of manganese monoxide is produced using activated carbon adsorption slag reduction roasting manganese oxide ore
Method, this method using adsorb the activated carbon adsorption slag obtained after electrolytic manganese solution suspended impurity make reducing agent to manganese oxide ore into
Row reduction, not only turns waste into wealth, waste residue is made to be fully used, significantly reduce the cost of manganese oxide ore reduction roasting；And
The roasting material of more than 90% conversion ratio can be obtained using activated carbon adsorption slag reduction roasting oxidation manganese powder, is obtained up-to-standard
Manganese monoxide.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore, includes the following steps：
(1) the activated carbon adsorption slag obtained after absorption electrolytic manganese solution suspended impurity is taken, it is spare after being dried or being dried；It will
Manganese oxide ore and activated carbon adsorption slag crushed 10-100 mesh sieve respectively；
（2）Manganese oxide ore after crushing and activated carbon adsorption slag are uniformly mixed, obtain mixed material, the use of activated carbon adsorption slag
Amount is more than or equal to the dosage obtained after being calculated according to the content of manganese in manganese oxide ore by chemical equation；
（3）Mixed material is put into revolution calcining kiln, is roasted 55-65 minutes at a temperature of 700~900 DEG C,
Material after roasting enters cooling kiln by device for discharging, in the environment of air is completely cut off, be cooled to 100 DEG C with
It is interior, obtain the roasting material containing MnO.
The above-mentioned method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore, the manganese oxide ore
Including one or more in pyrolusite, psilomelane, hausmannite, braunite, manganite and meta-manganic acid ore.
The main component of manganese oxide ore is MnO2、Mn2O3、Mn3O4, using activated carbon adsorption slag reduction roasting manganese oxide ore system
The method for taking manganese monoxide, key reaction equation are：
Beneficial effects of the present invention are：
The activated carbon adsorption slag filtered out after being adsorbed in the production of Electrolytic preparation of manganese often directly moves slag library to when calcellation
Slag is stored, and is caused certain environment protection treating pressure to Electrolytic Manganese Metal Plant and is generated environment protection treating expense.
The present invention makees reducing agent to manganese oxide using the activated carbon adsorption slag obtained after electrolytic manganese solution suspended impurity is adsorbed
Ore deposit is restored, and is not only turned waste into wealth, and waste residue is made to be fully used, and significantly reduces the cost of manganese oxide ore reduction roasting；
And the roasting material of more than 90% conversion ratio can be obtained using activated carbon adsorption slag reduction roasting oxidation manganese powder, obtain quality conjunction
The manganese monoxide of lattice；Having reached turns waste into wealth, and reduces energy consumption, reduces production cost, the effect of energy-saving and emission-reduction.
Specific embodiment
Embodiment 1
A kind of method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore, includes the following steps：
(1) the activated carbon adsorption slag obtained after absorption electrolytic manganese solution suspended impurity is taken, it is spare after being dried；By manganese oxide
Ore deposit（Pyrolusite）10 mesh sieve is crushed respectively with activated carbon adsorption slag；
（2）By the manganese oxide ore after crushing（Pyrolusite）It is uniformly mixed with activated carbon adsorption slag, obtains mixed material, activated carbon is inhaled
The dosage of attached slag is more than or equal to the dosage obtained after being calculated according to the content of manganese in manganese oxide ore by chemical equation；
（3）Mixed material is put into revolution calcining kiln, is roasted 65 minutes at a temperature of 700 DEG C, the material after roasting,
Cooling kiln is entered by device for discharging, in the environment of air is completely cut off, is cooled within 100 DEG C, obtains the roasting containing MnO
Material.
Embodiment 2
A kind of method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore, includes the following steps：
(1) the activated carbon adsorption slag obtained after absorption electrolytic manganese solution suspended impurity is taken, it is spare after being baked to；By manganese oxide
Ore deposit and activated carbon adsorption slag crushed 50 mesh sieve respectively；The manganese oxide ore is psilomelane and hausmannite；
（2）Manganese oxide ore after crushing and activated carbon adsorption slag are uniformly mixed, obtain mixed material, the use of activated carbon adsorption slag
Amount is more than or equal to the dosage obtained after being calculated according to the content of manganese in manganese oxide ore by chemical equation；
（3）Mixed material is put into revolution calcining kiln, is roasted 60 minutes at a temperature of 800 DEG C,
Material after roasting enters cooling kiln by device for discharging, in the environment of air is completely cut off, be cooled to 100 DEG C with
It is interior, obtain the roasting material containing MnO.
Embodiment 3
A kind of method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore, includes the following steps：
(1) the activated carbon adsorption slag obtained after absorption electrolytic manganese solution suspended impurity is taken, it is spare after being dried；By manganese oxide
Ore deposit and activated carbon adsorption slag crush sieve with 100 mesh sieve respectively；The manganese oxide ore is braunite, manganite and meta-manganic acid ore；
（2）Manganese oxide ore after crushing and activated carbon adsorption slag are uniformly mixed, obtain mixed material, the use of activated carbon adsorption slag
Amount is more than or equal to the dosage obtained after being calculated according to the content of manganese in manganese oxide ore by chemical equation；
（3）Mixed material is put into revolution calcining kiln, is roasted 55 minutes at a temperature of 900 DEG C,
Material after roasting enters cooling kiln by device for discharging, in the environment of air is completely cut off, be cooled to 100 DEG C with
It is interior, obtain the roasting material containing MnO.
Embodiment 4
A kind of method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore, includes the following steps：
(1) the activated carbon adsorption slag obtained after absorption electrolytic manganese solution suspended impurity is taken, it is spare after being baked to；By manganese oxide
Ore deposit and activated carbon adsorption slag crushed 50 mesh sieve respectively；Manganese oxide ore is derived from thunder Manganese Ore District one under Zhong Xin great Meng great Xin branch companies
Manganese oxide factory production oxidation manganese powder；Activated carbon adsorption slag is derived from three factory's press filtration workshop of electrolytic manganese；Through analysis detecting data result
As shown in table 1：
（2）Manganese oxide ore after crushing and activated carbon adsorption slag are uniformly mixed, obtain the use of mixed material, wherein manganese oxide ore
Amount is 100g, and the dosage of activated carbon adsorption slag is 12g
（3）Mixed material is put into revolution calcining kiln, is roasted 60 minutes at a temperature of 880 DEG C,
Material after roasting enters cooling kiln by device for discharging, in the environment of air is completely cut off, be cooled to 100 DEG C with
It is interior, obtain the roasting material containing MnO.
Embodiment 5
The present invention produces the specific test situation of the method for manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore such as
Under：
First, feedstock analysis
The activated carbon adsorption slag obtained after absorption electrolytic manganese solution suspended impurity is taken, it is spare after being dried or being dried；It will oxidation
Manganese ore and activated carbon adsorption slag crushed 10-100 mesh sieve respectively；Experiment is derived from Zhong Xin great Meng great Xin branch companies with manganese oxide ore
Lower thunder Manganese Ore District manganese monoxide factory production oxidation manganese powder；Activated carbon adsorption slag is derived from three factory's press filtration workshop of electrolytic manganese；Through analysis
Detection data result such as table 1：
2nd, reduction roasting is tested
Reduction roasting experiment condition presses current production control condition：880 DEG C, roasting time 60min of calcination temperature carries out difference and matches
Than experiment.Due to suspecting that the activated carbon dried loses reduction activation, dried activated carbon adsorption slag and drying is made a living
Property charcoal absorption slag reduction roasting contrast experiment, experiment condition such as table 2, experimental result such as table 3：
The experimental results showed that：
1st, activated carbon adsorption slag can be used for reduction roasting oxidation manganese powder.
2nd, energy reduction roasting manganese oxide ore, the reducing power as the absorption slag do not dried of the activated carbon adsorption slag after drying
It is almost identical.
3rd, activated carbon adsorption slag reduction roasting oxidation manganese powder chemical formula, which calculates, more than dosage can just obtain conversion ratio
More than 90% roasting material.
Claims (2)
- A kind of 1. method for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore, which is characterized in that including Following steps：(1) the activated carbon adsorption slag obtained after absorption electrolytic manganese solution suspended impurity is taken, it is spare after being dried or being dried；It will Manganese oxide ore and activated carbon adsorption slag crushed 10-100 mesh sieve respectively；（2）Manganese oxide ore after crushing and activated carbon adsorption slag are uniformly mixed, obtain mixed material, the use of activated carbon adsorption slag Amount is more than or equal to the dosage obtained after being calculated according to the content of manganese in manganese oxide ore by chemical equation；（3）Mixed material is put into revolution calcining kiln, is roasted 55-65 minutes at a temperature of 700~900 DEG C,Material after roasting enters cooling kiln by device for discharging, in the environment of air is completely cut off, be cooled to 100 DEG C with It is interior, obtain the roasting material containing MnO.
- 2. the method according to claim 1 for producing manganese monoxide using activated carbon adsorption slag reduction roasting manganese oxide ore, It is characterized in that, the manganese oxide ore includes one in pyrolusite, psilomelane, hausmannite, braunite, manganite and meta-manganic acid ore Kind is a variety of.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112408477A (en) * | 2020-11-30 | 2021-02-26 | 鞍钢集团北京研究院有限公司 | Method for preparing vanadium dioxide from failure vanadium battery positive electrolyte |
| CN112551581A (en) * | 2020-11-30 | 2021-03-26 | 鞍钢集团北京研究院有限公司 | Method for preparing vanadium pentoxide by recovering electrolyte of failed vanadium battery |
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2017
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Patent Citations (4)
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| CN102011018A (en) * | 2010-12-20 | 2011-04-13 | 陈德根 | Method for reducing manganese oxide by internal-heat rotary kiln |
| CN102212676A (en) * | 2011-04-27 | 2011-10-12 | 段友构 | Process for producing electrolytic manganese metal by using charcoal powder to reduce and convert manganese oxide ore |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112408477A (en) * | 2020-11-30 | 2021-02-26 | 鞍钢集团北京研究院有限公司 | Method for preparing vanadium dioxide from failure vanadium battery positive electrolyte |
| CN112551581A (en) * | 2020-11-30 | 2021-03-26 | 鞍钢集团北京研究院有限公司 | Method for preparing vanadium pentoxide by recovering electrolyte of failed vanadium battery |
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