CN101914684A - Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue - Google Patents
Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue Download PDFInfo
- Publication number
- CN101914684A CN101914684A CN2010102612945A CN201010261294A CN101914684A CN 101914684 A CN101914684 A CN 101914684A CN 2010102612945 A CN2010102612945 A CN 2010102612945A CN 201010261294 A CN201010261294 A CN 201010261294A CN 101914684 A CN101914684 A CN 101914684A
- Authority
- CN
- China
- Prior art keywords
- manganese
- slag
- ammonium sulfate
- residue
- harmless treatment
- 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
-
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue, which comprises the following steps of: (1) washing the manganese residue, adding water in an amount which is 30 to 200 percent of the weight of the manganese residue into the leached residue and performing countercurrent washing; (2) grading the manganese residue subjected to the countercurrent washing in the step (1) and performing magnetic separation to recover unreacted manganese ore; and (3) clarifying residue washing water obtained by the step (1), putting into a preheater for preheating, raising the temperature to between 60 and 90 DEG C, putting into an evaporator for evaporation concentration until the concentration of manganese sulfate reaches 10 to 50 weight percent, and returning to a liquid preparation workshop for use. The method for treating the electrolytic manganese leached residue has the advantages of small equipment investment and low production cost; and water-soluble manganese sulfate and ammonium sulfate and water-insoluble manganese carbonate and manganese dioxide are comprehensively recycled, so that the manganese residue can be subjected to the harmless treatment, environmental pollution is reduced and resources with economic value can be comprehensively recycled.
Description
Technical field
The present invention relates to a kind of manganese metallurgical leached residue harmless treatment and comprehensive utilization method, especially relate to the harmless treatment and the comprehensive utilization method thereof of the discarded manganese filter residue that produces in the manganese goods hydrometallurgy process such as a kind of electrolytic metal Mn, electrolytic manganese dioxide.
Background technology
China is manganese production of articles big country, and the electrolytic metal Mn yearly capacity has reached 2,000,000 tons, and actual annual production also reaches 800,000 tons.Because the manganese ore grade is more and more lower, only manganese metal factory produces 6,800,000 tons of manganese filter residues (or claiming filter residue or manganese slag) every year at least.Containing the liquid weighted average after the press filtration in the filter residue calculates by minimum 25%, the manganese sulfate solution of taking away in the above-mentioned filter residue reaches 1,700,000 tons, manganous sulfate content is on average pressed 110g/L (Mn40g/L) calculating in the solution, ammonium sulfate content is on average pressed 120g/L and is calculated, annual from these filter residues the loss manganous sulfate reach 18.7 ten thousand tons of (amount to 6.8 ten thousand tons of manganese amounts of metal, be equivalent to 45.3 ten thousand tons of the manganese carbonate ores of Mn content 15%), ammonium sulfate and reach 20.4 ten thousand tons.In addition, the annual 6800000 tons of manganese filter residues that produce of manganese metal factory, unreacted manganese ore accounts for about 25% of total amount.This a part of resource has also wasted.
Because contained manganous sulfate, ammonium sulfate and other vitriol of manganese slag is water miscible mostly, thereby can permeates the ground or flow into rivers,lakes and seas, cause serious environmental to pollute with water.Again because even these manganese slags are used for producing building materials, also there are a lot of hidden danger in the existence of manganese and other element.Utilize general simple washery slag technology, too many because of slag washing water, can destroy the balance of electrolytic solution and be restricted.
Owing to do not have suitable technique means and economic treating method, environmental administration requires electrolytic manganese factory to adopt the stacking mode of building impermeable slag dam to avoid causing environmental pollution at present.Because slag dam is generally built the mountain valley in, rain-out, immersion still can make soluble substance enter water system, polluted source.Especially, slag dam collapses, and the manganese slag enters rivers, and the serious accident of serious environment pollution also happens occasionally.Therefore, how efficient, science, handle manganese ore leached mud in the manganese ore hydrometallurgical liquid process economically, make it innoxious, recycle wherein valuable manganese and ammonium salt simultaneously, be one and relate to environment protection and resource-effective vital task.
Notification number is that the patent documentation of CN1180100C discloses a kind of " utilizing waste manganese mud to soak the method that the manganous sulfate in the slag is produced manganous carbonate ", recycle waste manganese mud and soak the manganous sulfate production manganous carbonate of carrying secretly in the slag, solve solubility manganous sulfate pollution on the environment and make full use of Mineral resources, its method is to be raw material with the useless slag that soaks of manganese ore powder after sulfuric acid to leach prepares sulfate liquor, water embathes manganese ore leached mud recovery manganese sulfate solution wherein, after removing impurity with soluble carbon hydrochlorate (for example bicarbonate of ammonia) solution reaction, produce manganous carbonate, prepare other corresponding manganese products by manganous carbonate again.Its shortcoming is: extracted most of solvable manganese, but unreacted manganese ore has not been reclaimed, had more serious ammonium polluted by nitrogen simultaneously, because a large amount of ammonium salts exist, precipitated not really fully, the rate of recovery is lower, and cost recovery is higher.
Publication number is that the patent application of CN101348273A discloses " a kind of neutralizing agent and application thereof that reduces manganese content in the manganese slag ", and this neutralizing agent is that a kind of BET value is less than 5m
2The unslaked lime of/g, its median size are 10～50 μ m.Use the present invention's neutralizing agent that sulfuric acid leaching manganese feed liquid is neutralized, neutral temperature 80-90 ℃, in and time 0.5-3Hr, the concentration of soluble manganese in the manganese slag can be reduced to below the 2ppm from thousands of ppm, thereby needn't build the manganese slag separately specially and handle the field, after only need doing simple pH adjustment to water seepage, can externally discharge with sulfuric acid; Also solved nuisance to phreatic osmosis pollution problem and rainy season the manganese slag the sliming problem, but it provides technical scheme to the valuable constituent of how extracting wherein, also unreacted manganese ore is not recycled.
Summary of the invention
The object of the present invention is to provide a kind of facility investment few, production cost is low, and can reclaim water-soluble manganous sulfate, ammonium sulfate and manganous carbonate, Manganse Dioxide that can not be water-soluble comprehensively, can carry out the method that harmless treatment can comprehensively recyle the resource of economic worth again the manganese slag.
The objective of the invention is to be achieved through the following technical solutions, it may further comprise the steps: 1) the manganese slag is washed: add the water that is equivalent to the heavy 30%-200% of manganese slag in leached mud, carry out countercurrent washing, carry out solid-liquid separation then, get the manganese slag and the slag washing water of countercurrent washing; Manganese ion concentration is 5～40 grams per liters in the slag washing water, ammonium sulfate concentrations 20～120 grams per liters; (2) the unreacted manganese ore is reclaimed in magnetic separation: the manganese slag of step (1) gained countercurrent washing is carried out classification, granularity+150 purpose materials are carried out magnetic separation, reclaim wherein unreacted manganese ore; Also can in the washing process of step (1), carry out classification simultaneously, carry out the magnetic separation of unreacted manganese ore then and reclaim; The sufficient manganese ore of unreacted is accounted for the seldom manganese slag of ratio, consider economy, reduce processing cost, also can not carry out magnetic separation and reclaim; (3) reclaim(ed) sulfuric acid manganese and ammonium sulfate: with step (1) gained slag washing water by leaving standstill or press filtration clarification, slag washing water after will clarifying is again put into preheater and is preheated to 60 ℃～90 ℃, put into the vaporizer evaporation concentration then or/and crystallization, concentrate or/and crystallization through vaporizer, after reaching 10wt%～50wt% to the manganous sulfate mass concentration, concentrated solution and the crystal with manganous sulfate and ammonium sulfate returns the liquid plant utilization then; Or the mixed crystal of manganous sulfate and ammonium sulfate is made manganese, ammonium compound fertilizer use, also can because of easily decomposing, ammonium sulfate obtain manganous sulfate and ammonium sulfate product respectively with the mixed crystal of manganous sulfate and ammonium sulfate by calcining more than 520 ℃.
Described step (2), (3) can the change orders or are carried out simultaneously.
Described step (1), countercurrent washing can be adverse current drum-type washup machine, vertical single stage thickener or vertical multi-stage thickener with equipment.
Described step (1), solid-liquid separation evaluation method selecting optimal equipment band filter.
Described step (2), stage equipment preferably adopt wet method sieve, the evaluation method selecting optimal equipment wet high-intensity magnetic magnetic separator that magnetic separation is adopted.
Described step (3), the preferred high-efficiency heat pump vaporizer of described vaporizer, i.e. mechanical steam recompression vaporizer is a kind of new and effective evaporation equipment.Its principle of work is the compressed machine compression of secondary steam that vaporizer is produced, improve the pressure of secondary steam, make secondary steam under higher temperature, condense into water and emit latent heat, make solution evaporation, latent heat is just by recycle constantly like this, thereby reduces the picked-up of the energy to external world.Secondary steam is condensed into and is clean pure water, can also be discharged from this clean pure water to utilize all the other thermal convections to go into stoste in the process to implement preheating again, reaches energy-conservation and purpose environmental protection.Compare with traditional vaporizer, this system has: energy consumption low (saving the 80% above energy); Simple in structure, stable, can accomplish zero release, recycle advantages such as water resources.
Adopt the present invention to handle the electrolytic manganese leached mud, it is few to have facility investment, production cost is low, and can reclaim water-soluble manganous sulfate, ammonium sulfate and manganous carbonate, Manganse Dioxide that can not be water-soluble comprehensively, both can carry out harmless treatment to the manganese slag, reduce environmental pollution, can comprehensively recyle the resource of economic worth again, realize resource-effective characteristics.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment 1
300 tons/day of certain electrolytic manganese factory leached muds, wherein liquid content 30%(weight), manganous sulfate content 110g/L (Mn40g/L) in the described solution, ammonium sulfate content 120g/L.The entire treatment flow process is divided into: washery slag, the classification of manganese slag and magnetic separation, slag washing water high-efficiency heat pump concentrate three parts.
(1) in the manganese leached mud, adds and be equivalent to slag and weigh 50% water, utilize adverse current drum-type washup machine to carry out the continuous countercurrent washing, make that manganese ion concentration reaches 15 grams per liters in the slag washing water, sulfur acid ammonium 45 grams per liters, carry out solid-liquid separation then, manganous sulfate content 1.8g/kg in the slag, ammonium sulfate content 1.8g/kg, total yield 93%;
(2) the manganese slag of the countercurrent washing after step (1) the gained solid-liquid separation is put into grading machine, be divided into-150 orders and+150 orders by size, right then+150 order materials carry out the wet high-intensity magnetic magnetic separation, reclaim manganese ore; The waste residue that selected can be used for brickmaking or makes other purposes;
(3) filtrate (being slag washing water) after step (1) the gained solid-liquid separation is left standstill clarification in 12 hours, send into preheater again and be preheating to 80 ℃, sending into the high-efficiency heat pump vaporizer then concentrates, be concentrated into manganous sulfate concentration 10wt% (needing 141 tons of transpiring moistures), concentrated solution returns the liquid plant utilization again.
By reclaiming, altogether 9 tons of manganous sulfates, 9.8 tons in ammonium sulfate; Reclaim manganese ore in 15 tons of butts, evaporation consumes electric power 4230kWh.
Embodiment 2
300 tons/day of certain electrolytic manganese factory leached muds, wherein liquid content 30%(weight), manganous sulfate content 110g/L (Mn40g/L) in the solution, ammonium sulfate content 120g/L.The entire treatment flow process is divided into: washery slag, the classification of manganese slag and magnetic separation, slag washing water high-efficiency heat pump concentrate three parts.
(1) in leached mud, adds and be equivalent to slag and weigh 80% water, utilize thickener to carry out the washing of three stage countercurrents, make that manganese ion concentration reaches 11 grams per liters in the slag washing water, ammonium sulfate 33 grams per liters, then, carry out solid-liquid separation, the manganous sulfate content 1.5g/kg in the slag, ammonium sulfate content 1.5g/kg, total yield 95%;
(2) put the manganese slag after step (1) second stage countercurrent washing into grading machine, carry out third stage washing simultaneously, be divided into-120 orders and+120 orders by size, right then+120 order materials carry out magnetic separation, reclaim manganese ore; The slag that selected can be used for brickmaking or makes other purposes;
(3) filtrate (being slag washing water) after step (1) the gained solid-liquid separation is left standstill clarification in 24 hours, send preheater to be preheating to 70 ℃ again, advancing the high-efficiency heat pump vaporizer then concentrates, be concentrated into the manganous sulfate mass concentration and reach 280.5 tons of 20%(need transpiring moistures), concentrated solution and crystal return the liquid plant utilization.
By reclaiming, altogether 9.2 tons of manganous sulfates; 10 tons in ammonium sulfate; Reclaim manganese ore in 13 tons of butts, evaporation consumes electric power 8400kWh.
Embodiment 3
300 tons/day of certain electrolytic manganese dioxide factory leached muds, wherein liquid content 30%(weight), manganous sulfate content 110g/L (Mn40g/L) in the solution, ammonium sulfate content 120g/L.The entire treatment flow process is divided into: washery slag, two parts of high-efficiency heat pump evaporation.
(1) in leached mud, adds and be equivalent to slag and weigh 50% water, utilize thickener to carry out the washing of three stage countercurrents, make that manganous sulfate concentration reaches 15 grams per liters in the slag washing water, ammonium sulfate 45 grams per liters, carry out solid-liquid separation then, manganous sulfate content 1.8g/kg in the slag, ammonium sulfate content 1.8g/kg, total yield 93%;
(2) manganese content is low completely owing to unreacted in the manganese slag, does not carry out classification, magnetic separation, reclaims manganese ore;
(3) filtrate (being slag washing water) after step (1) the gained solid-liquid separation is left standstill clarification in 48 hours, send into preheater again and be preheating to 90 ℃, send the high-efficiency heat pump vaporizer to concentrate then, be concentrated into the manganous sulfate mass concentration and reach 50%, need 220.2 tons of transpiring moistures, concentrated solution and crystal return the liquid plant utilization again.
By reclaiming, altogether 9 tons of manganous sulfates, 9.8 tons in ammonium sulfate, evaporation consumes electric power 6600Kw/h.
Above embodiment one, two all can carry out the manganese slag harmless treatment and wherein manganous sulfate, ammonium sulfate and manganous carbonate, Manganse Dioxide that can not be water-soluble can be reclaimed comprehensively, three of examples reclaim manganous sulfate, ammonium sulfate, each routine institute evaporating solns amount is adjustable, can not destroy the solution equilibria of electrolytic manganese production line; Resource reclaims fully, only consumes small amount of electrical energy, and production cost is low, uses device structure simple, and technical process is short, and operation control is easy.But compare, embodiment 1 reclaims because of manganese and ammonium and manganese ore are all had preferably, does not have new pollutent to produce environmental friendliness; And the water that adds in the technological process is less, and it is lower to go out vaporizer concentration, and steam output is less, and cost is relatively low; Embodiment 2 and 3 more because of the water that adds in the technological process, it is higher perhaps to go out vaporizer concentration, thereby steam output is bigger, and cost is higher relatively; Therefore embodiment 1 scheme is best.The i.e. the least possible water that adds under the prerequisite that guarantees the washery slag effect, under the prerequisite that guarantees solution equilibria with alap concentration from the vaporizer discharging.
Claims (6)
1. manganese metallurgical leached residue harmless treatment and comprehensive utilization method, it is characterized in that, may further comprise the steps: wash the manganese slag (1): add the water that is equivalent to the heavy 30%-200% of manganese slag in leached mud, carry out countercurrent washing, carry out solid-liquid separation then, get the manganese slag and the slag washing water of countercurrent washing; Manganese ion concentration is 5～40 grams per liters in the slag washing water, ammonium sulfate concentrations 20～120 grams per liters; (2) the unreacted manganese ore is reclaimed in magnetic separation: the manganese slag of step (1) gained countercurrent washing is carried out classification, fineness+150 purpose materials are carried out magnetic separation, reclaim wherein unreacted manganese ore; (3) reclaim(ed) sulfuric acid manganese and ammonium sulfate: with step (1) gained slag washing water by leaving standstill or press filtration clarification, slag washing water after will clarifying is again put into preheater and is preheated to 60 ℃～90 ℃, put into the vaporizer evaporation concentration then or/and crystallization, concentrate or/and crystallization through vaporizer, after reaching 10wt%～50wt% to the manganous sulfate mass concentration, the concentrated solution and the crystal of manganous sulfate and ammonium sulfate returned the liquid plant utilization or directly make manganous sulfate and ammonium sulfate product.
2. manganese metallurgical leached residue harmless treatment according to claim 1 and method of comprehensive utilization is characterized in that, described step (1), and countercurrent washing equipment is adverse current drum-type washup machine, vertical single stage thickener or vertical multi-stage thickener.
3. manganese metallurgical leached residue harmless treatment according to claim 1 and 2 and method of comprehensive utilization is characterized in that, described step (1), and solid-liquid separation equipment is band filter.
4. manganese metallurgical leached residue harmless treatment according to claim 1 and 2 and method of comprehensive utilization is characterized in that, described step (2), and the equipment that magnetic separation is adopted is the wet high-intensity magnetic magnetic separator.
5. manganese metallurgical leached residue harmless treatment according to claim 1 and 2 and method of comprehensive utilization is characterized in that, described step (3), and described vaporizer is the high-efficiency heat pump vaporizer.
6. manganese metallurgical leached residue harmless treatment and comprehensive utilization method, it is characterized in that, may further comprise the steps: wash the manganese slag (1): add the water that is equivalent to the heavy 30%-200% of manganese slag in leached mud, carry out countercurrent washing, carry out solid-liquid separation then, get the manganese slag and the slag washing water of countercurrent washing; Manganese ion concentration is 5～40 grams per liters in the slag washing water, ammonium sulfate concentrations 20～120 grams per liters; (2) reclaim(ed) sulfuric acid manganese and ammonium sulfate: with step (1) gained slag washing water by leaving standstill or press filtration clarification, slag washing water after will clarifying is again put into preheater and is preheated to 60 ℃～90 ℃, put into the vaporizer evaporation concentration then or/and crystallization, concentrate or/and crystallization through vaporizer, after reaching 10wt%～50wt% to the manganous sulfate mass concentration, the concentrated solution and the crystal of manganous sulfate and ammonium sulfate returned the liquid plant utilization or directly make manganous sulfate and ammonium sulfate product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102612945A CN101914684A (en) | 2010-08-24 | 2010-08-24 | Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102612945A CN101914684A (en) | 2010-08-24 | 2010-08-24 | Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101914684A true CN101914684A (en) | 2010-12-15 |
Family
ID=43322319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102612945A Pending CN101914684A (en) | 2010-08-24 | 2010-08-24 | Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101914684A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660689A (en) * | 2012-06-04 | 2012-09-12 | 赵阳臣 | Method for comprehensively recycling leaching slag in production of electrolytic manganese metal and manganese dioxide |
| CN102912146A (en) * | 2012-11-13 | 2013-02-06 | 波鹰(厦门)科技有限公司 | Two-membrane process manganese recovery method |
| CN102925707A (en) * | 2012-11-13 | 2013-02-13 | 波鹰(厦门)科技有限公司 | Recovery method for manganese based on electroosmosis technology |
| CN102936662A (en) * | 2012-11-13 | 2013-02-20 | 波鹰(厦门)科技有限公司 | Device for recycling manganese from electrolytic manganese waste residues |
| CN103627914A (en) * | 2013-12-13 | 2014-03-12 | 北方民族大学 | Method for extracting manganese in electrolytic manganese slag |
| CN103628090A (en) * | 2013-12-13 | 2014-03-12 | 中国环境科学研究院 | Device for removing and recycling cathode plate ammonium sulfate crystals by dry method |
| CN109482624A (en) * | 2018-12-29 | 2019-03-19 | 黄伟彬 | Electrolytic manganese residues resource utilization dedicated system |
| CN109626857A (en) * | 2019-01-31 | 2019-04-16 | 贵州大学 | A kind of method that the elution excitation of manganese slag muck product prepares unburned building materials presoma |
| CN109622566A (en) * | 2018-12-24 | 2019-04-16 | 长沙湘朴科技有限公司 | A kind of Innocent treatment method of electrolytic manganese slag |
| CN109811148A (en) * | 2019-01-31 | 2019-05-28 | 贵州大学 | A method for stacking, washing, and recovering soluble sulfate from manganic acid leaching residue |
| CN110551898A (en) * | 2019-09-16 | 2019-12-10 | 中信大锰矿业有限责任公司 | treatment method of electrolytic manganese slag |
| CN110735040A (en) * | 2018-10-18 | 2020-01-31 | 庞炼红 | Electrolytic manganese metal waste residue treatment method |
| CN112723389A (en) * | 2020-12-17 | 2021-04-30 | 赛恩斯环保股份有限公司 | Comprehensive utilization method of ammonia nitrogen-containing manganese slag |
| CN114850172A (en) * | 2022-05-23 | 2022-08-05 | 南方锰业集团有限责任公司大新锰矿分公司 | Continuous treatment system and method for electrolytic manganese tailings using belt vacuum filter |
| CN115401054A (en) * | 2022-09-16 | 2022-11-29 | 贵州中蓝环保科技有限公司 | A method for harmless treatment of electrolytic manganese slag |
| CN115595442A (en) * | 2022-09-28 | 2023-01-13 | 贵州合众锰业科技有限公司（Cn） | Pollution-free manganese slag treatment method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657423A (en) * | 2005-02-01 | 2005-08-24 | 桂林市孟泰矿产技术开发有限责任公司 | Method of recovering manganese sulfate from low-grade manganese carbonate and manganese oxide |
| CN101306425A (en) * | 2008-06-24 | 2008-11-19 | 卿富安 | Electrolytic manganese slag comprehensive utilization technique |
-
2010
- 2010-08-24 CN CN2010102612945A patent/CN101914684A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657423A (en) * | 2005-02-01 | 2005-08-24 | 桂林市孟泰矿产技术开发有限责任公司 | Method of recovering manganese sulfate from low-grade manganese carbonate and manganese oxide |
| CN101306425A (en) * | 2008-06-24 | 2008-11-19 | 卿富安 | Electrolytic manganese slag comprehensive utilization technique |
Non-Patent Citations (1)
| Title |
|---|
| 《中国锰业》 20100531 刘闺华等 电解金属锰渣滤饼循环逆流洗涤试验研究 第36页 1-6 第28卷, 第2期 2 * |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660689B (en) * | 2012-06-04 | 2013-09-18 | 赵阳臣 | Method for comprehensively recycling leaching slag in production of electrolytic manganese metal and manganese dioxide |
| CN102660689A (en) * | 2012-06-04 | 2012-09-12 | 赵阳臣 | Method for comprehensively recycling leaching slag in production of electrolytic manganese metal and manganese dioxide |
| CN102936662B (en) * | 2012-11-13 | 2014-04-30 | 波鹰(厦门)科技有限公司 | Device for recycling manganese from electrolytic manganese waste residues |
| CN102912146A (en) * | 2012-11-13 | 2013-02-06 | 波鹰(厦门)科技有限公司 | Two-membrane process manganese recovery method |
| CN102925707A (en) * | 2012-11-13 | 2013-02-13 | 波鹰(厦门)科技有限公司 | Recovery method for manganese based on electroosmosis technology |
| CN102936662A (en) * | 2012-11-13 | 2013-02-20 | 波鹰(厦门)科技有限公司 | Device for recycling manganese from electrolytic manganese waste residues |
| CN103628090A (en) * | 2013-12-13 | 2014-03-12 | 中国环境科学研究院 | Device for removing and recycling cathode plate ammonium sulfate crystals by dry method |
| CN103628090B (en) * | 2013-12-13 | 2016-01-13 | 中国环境科学研究院 | A kind of dry method removes negative plate ammonium sulfate crystallization and the device of recycle |
| CN103627914A (en) * | 2013-12-13 | 2014-03-12 | 北方民族大学 | Method for extracting manganese in electrolytic manganese slag |
| CN110735040A (en) * | 2018-10-18 | 2020-01-31 | 庞炼红 | Electrolytic manganese metal waste residue treatment method |
| CN110735040B (en) * | 2018-10-18 | 2021-04-30 | 庞炼红 | Electrolytic manganese metal waste residue treatment method |
| CN109622566A (en) * | 2018-12-24 | 2019-04-16 | 长沙湘朴科技有限公司 | A kind of Innocent treatment method of electrolytic manganese slag |
| CN109482624A (en) * | 2018-12-29 | 2019-03-19 | 黄伟彬 | Electrolytic manganese residues resource utilization dedicated system |
| CN109626857A (en) * | 2019-01-31 | 2019-04-16 | 贵州大学 | A kind of method that the elution excitation of manganese slag muck product prepares unburned building materials presoma |
| CN109626857B (en) * | 2019-01-31 | 2021-04-06 | 贵州大学 | Method for preparing baking-free building material precursor by manganese slag stacking, leaching and excitation |
| CN109811148A (en) * | 2019-01-31 | 2019-05-28 | 贵州大学 | A method for stacking, washing, and recovering soluble sulfate from manganic acid leaching residue |
| CN109811148B (en) * | 2019-01-31 | 2021-05-14 | 贵州大学 | Method for recovering soluble sulfate by piling and washing manganic acid leaching residues |
| CN110551898A (en) * | 2019-09-16 | 2019-12-10 | 中信大锰矿业有限责任公司 | treatment method of electrolytic manganese slag |
| CN112723389A (en) * | 2020-12-17 | 2021-04-30 | 赛恩斯环保股份有限公司 | Comprehensive utilization method of ammonia nitrogen-containing manganese slag |
| CN114850172A (en) * | 2022-05-23 | 2022-08-05 | 南方锰业集团有限责任公司大新锰矿分公司 | Continuous treatment system and method for electrolytic manganese tailings using belt vacuum filter |
| CN115401054A (en) * | 2022-09-16 | 2022-11-29 | 贵州中蓝环保科技有限公司 | A method for harmless treatment of electrolytic manganese slag |
| CN115595442A (en) * | 2022-09-28 | 2023-01-13 | 贵州合众锰业科技有限公司（Cn） | Pollution-free manganese slag treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101914684A (en) | Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue | |
| CN101691633B (en) | Method for innocent treatment and comprehensive utilization of manganese slag | |
| CN105256141B (en) | A kind of electric plating sludge resource processing and the method for comprehensive reutilization | |
| CN101838736B (en) | Wet separation method for valuable metals in purified liquid cobalt slags of wet zinc smelting system | |
| CN108372185B (en) | Titanium chloride slag resource utilization method and device | |
| CN108483501B (en) | Comprehensive utilization method of electrolytic manganese slag washing liquid | |
| CN111074075A (en) | Method for recovering cobalt and lithium in waste lithium cobalt oxide battery positive electrode material by using eutectic solvent | |
| CN104609443A (en) | Method and equipment for extracting potassium salt from sintering machine head electroprecipitating dust in metallurgical industry | |
| CN105695751B (en) | A kind of purification technique of electrolytic manganese anode mud | |
| CN104445424A (en) | Method for preparing high-purity manganese sulfate from manganese-containing waste liquid | |
| CN106517301B (en) | A kind of method that basic copper chloride is reclaimed in the contained waste liquid from sulfuric acid system | |
| CN110835683A (en) | Method for selectively extracting lithium from waste lithium ion battery material | |
| CN108396158A (en) | A kind of processing method of the complex salt crystal object of electrolytic manganese process | |
| CN102816927A (en) | Method for efficiently removing ferrum in red soil nickel mineral leaching liquid | |
| CN102689912B (en) | Process for producing sodium nitrate from soda niter in size-fraction leaching manner | |
| CN108754158A (en) | A kind of method of copper-contained sludge production cupric sulfate purified | |
| CN105648218A (en) | Method for recovering zinc and iron from electroplating sludge with high iron content | |
| CN102061389B (en) | Method for recycling arsenium and enriching heavy metals in arsenium-containing metallurgical sludge | |
| CN106755997A (en) | A kind of method of nickel-containing ore comprehensive utilization | |
| CN103397190A (en) | Method for producing high-purity gold and copper sulphate from gold-bearing copper sludge | |
| CN112408488B (en) | A kind of method for recovering soluble manganese ammonium in electrolytic manganese slag | |
| CN111363927A (en) | A method for recycling electroplating sludge based on nickel recovery | |
| CN204434301U (en) | Metallurgy industry sintering machine head end electro-precipitating dust extracts the equipment of sylvite | |
| CN105645706A (en) | Method for harmlessly treating high-zinc and high-lead sludge | |
| CN210481113U (en) | Recycling treatment device for rare earth carbon sedimentation wastewater and raffinate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20101215 |