CN108277353A - A method of recycling manganese from the zinc electrolysis earth of positive pole - Google Patents
A method of recycling manganese from the zinc electrolysis earth of positive pole Download PDFInfo
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- CN108277353A CN108277353A CN201810222229.8A CN201810222229A CN108277353A CN 108277353 A CN108277353 A CN 108277353A CN 201810222229 A CN201810222229 A CN 201810222229A CN 108277353 A CN108277353 A CN 108277353A
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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
- C22B7/007—Wet processes by acid leaching
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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
- 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
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Abstract
The invention discloses a kind of methods that manganese is recycled in earth of positive pole from zinc electrolysis, the zinc electrolysis earth of positive pole is washed with hot water to zinc and is less than 100mg/L, then C/ manganese dioxide=0.2 0.3 are pressed, carbon black either charcoal powder or coke blacking is added, it is uniformly mixed, it is placed in microwave field and radiates 30 40 minutes, it is leached again with sulfuric acid, it is 45 and zinc that leachate, which adds in ammonium hydrogen carbonate and ammonium sulfide and purifies to PH, lead is less than 5mg/L, again electrolytic manganese metal is carried out with ammonium hydroxide and the modulation of technical grade sulfuric acid ammonium and electrolysis additive, argentiferous sulfuric acid lead skim uses conventional wet lay metallurgical method recycling lead and silver again.The present invention recycles manganese from the zinc electrolysis earth of positive pole can reach energy saving, emission reduction, maximization of economic benefit.
Description
Technical field
The application field that the invention belongs to microwave technologies in hydrometallurgy is washed more particularly to zinc electrolysis earth of positive pole clear water
Addition carbon is uniformly mixed after washing dezincification, is carried out in microwave field the short time, high efficiency, low stain manganese dioxide and titanium dioxide
Lead reduction reaction makes manganese therein be easy to use sulfuric acid leaching, detaches and reach the high efficiente callback of manganese with lead, silver.
Background technology
The zinc electrolysis earth of positive pole generally 30-40% containing manganese, leaded 10-15%, 500g/ tons of argentiferous or more.Before no washing also
Sulfur acid zinc 20% or so.Manganese therein is mainly manganese oxide, does not dissolve in bronsted lowry acids and bases bronsted lowry, therefore directly returns to zinc leaching and make oxidant
It is impossible with the manganese ion in supplement zinc sulfate, returns using the waste for being promoter manganese.Lead therein has lead oxide, sulfuric acid
Lead and argentiferous metal.The 50-60 kilograms of earth of positive pole can be produced by generally often producing one ton of electrolytic zinc, there is very much recovery value.
Mainly there is pyrometallurgical smelting to the processing of the zinc electrolysis earth of positive pole at present, forms Mn-rich slag and base bullion, Mn-rich slag is again
Other products or smelting for producing manganese are ferromanganese.Hydrometallurgy must carry out reduction roasting, by manganese dioxide and dioxy
Change lead and be reduced to manganese monoxide and lead monoxide, then acidleach, or sulphite is added and carries out reducing leaching.Reduction roasting is main
It is carried out in rotary kiln or reverberatory furnace, using coal as reducing agent and exothermic mixture, addition must be 20% of material quantity or more, temperature
800-1000 DEG C of degree, 5 hours time or more.Obviously the conventional reduction roasting time is long, and the exhaust emission of high energy consumption, generation is big,
And with the presence of cold center, reduction roasting rate 80-90%, high with leachate impurity after Ore Leaching, the quantity of slag is big, and the rate of recovery of manganese is low
In 90%, then improve relatively difficult, direct reducing leaching is generally needed to be added 2-3 times of sulphite of manganese dioxide amount, leaches
3 grades of series or more.Not only sulphite consumption is big, of high cost, and leachate has brought a large amount of alkali or alkaline earth metal into
Ion, produces for manganese product and application causes trouble.It is leached, can be not added with using the high chloride ion of chloride ion-containing 250g/L or more
Reducing agent, but leachate can contain manganese chloride, PbCl simultaneously4 2-, Ag Cl2 -, not only increase separation and Extraction difficulty, gained manganese product
Purity is not high, and the more refractory reason of high-chloride wastewater.
Invention content
The shortcomings that in order to overcome above-mentioned all technologies, the present invention is few using zinc electrolysis anode sludge impurities type, and manganese dioxide contains
The characteristics of amount is high, and purer and manganese dioxide and charcoal are the good absorption substances of microwave is catalyzed reduction roasting using microwave field
Technology replaces rotary kiln or reverberatory furnace technology.With sulfuric acid leaching, in ammonium hydrogen carbonate and ammonium sulfide and purification lead, zinc, silver etc. are miscellaneous
The technology of matter purification of sulphuric acids manganese leachate and with conventional manganese electrolysis tech, manganese is recycled from the zinc electrolysis earth of positive pole, produces electrolyzing gold
Belong to manganese, and enriching and purifying argentiferous lead sulfate leached mud.
The purpose of the present invention and its technical problem underlying is solved using following technical scheme to realize：One kind is electric from zinc
Solve the method that manganese is recycled in the earth of positive pole, it is characterised in that：The zinc electrolysis earth of positive pole is washed with hot water and is less than 100mg/L to containing zinc, so
After be added powdered carbon, and be uniformly mixed to be placed in microwave field and carry out microwave treatment；The zinc electrolysis earth of positive pole after microwave radiation processing
With sulfuric acid leaching, the leachate and argentiferous sulfuric acid lead skim, manganese sulfate leachate for obtaining sulfur acid manganese are neutralized with ammonium hydrogen carbonate,
Lead, zinc, silver-colored impurity are removed with ammonium sulfide purification again, obtains purification of manganese sulfate liquid and purification slag, purification of manganese sulfate liquid ammonium hydroxide and sulphur
Electrolytic manganese metal is carried out after sour ammonium and electrolysis additive modulation.
A kind of method that manganese is recycled in the earth of positive pole from zinc electrolysis, wherein：Zinc electrolysis sun is washed with 60-80 DEG C of hot water
Pole mud.
A kind of method that manganese is recycled in the earth of positive pole from zinc electrolysis, wherein：The carbon dust granularity of addition is 40-60 mesh,
The amount of addition is C/ manganese dioxide=0.2-0.3 times；The carbon dust is carbon black either charcoal powder or coke blacking.
A kind of method that manganese is recycled in the earth of positive pole from zinc electrolysis, wherein：The frequency 100GHz- of microwave field
300GHz, power 600-2000W, radiated time are 30-40 minutes.
A kind of method that manganese is recycled in the earth of positive pole from zinc electrolysis, wherein：Sulfuric acid leaching is 2-3 leaching, liquid/solid
=3-4,90-95 DEG C of extraction temperature, extraction time 1-2 hours leach 0.5-1 hour for 2-3 times, a leachate end acid 50-
80g/L, the whole acid 100-150g/L of 2-3 leachate, obtains manganese sulfate leachate and argentiferous sulfuric acid lead skim.
A kind of method that manganese is recycled in the earth of positive pole from zinc electrolysis, wherein：Manganese sulfate leachate bicarbonate
Ammonium neutralizes, and removing lead, zinc, silver-colored impurity to total content with ammonium sulfide purification is less than 10mg/L；Liquid PH=4-5 after purification, 2-3 leaching
Liquid comes back for counterflow leaching, purification slag and sulfuric acid lead skim merging treatment.
By the implementation of above step, recycling manganese can reach energy saving, emission reduction from the zinc electrolysis earth of positive pole, and economic benefit is most
Bigization.Advantage is：
（1）Manganese dioxide, brown lead oxide absorption microwave amount is big, and fast, and instantaneous temperature is high, can be catalyzed and accelerate manganese dioxide and two
Lead oxide is reduced to manganese monoxide and lead monoxide；The reduction roasting time is short, and temperature is low, and roasting is thorough, and reduction rate is high.
（2）Manganese monoxide and lead monoxide are easy to by sulfuric acid leaching, and manganese element leaches rate of recovery height, gained leachate purity
Height is conducive to electrolytic manganese metal, and lead smelting gas enrichment times are high, is free of or contains brown lead oxide less, is conducive to hydrometallurgy and separates and recovers.
Specific implementation mode
Below in conjunction with preferred embodiment, the method to recycling manganese in a kind of earth of positive pole from zinc electrolysis for proposing according to the present invention
Specific implementation mode, structure, feature and its effect are described in detail as after.
A method of it recycling manganese from the zinc electrolysis earth of positive pole, includes the following steps：
Step 1, it washs zinc sulfate to zinc in the zinc electrolysis earth of positive pole with 60-80 DEG C of hot water and is less than 100mg/L, then press C/ titanium dioxides
The carbon black powder or the wooden carbon dust or coke blacking of manganese=0.2-0.3 addition granularity 40-60 mesh, and stir evenly；
Step 2, the zinc electrolysis earth of positive pole of the mixing carbon dust of step 1 is placed in frequency 100GHz-300GHz, power 600-
In the microwave field of 2000W, radiated time is 30-40 minutes, 500-800 DEG C of temperature；
Step 3, the zinc electrolysis earth of positive pole through step 2 microwave radiation is subjected to 2-3 leaching with sulfuric acid solution, leaching condition is
Liquid/solid=3-4,90-95 DEG C of extraction temperature, it is 1-2 hours that extraction time, which once leaches, 2-3 leaching 0.5-1 hours；Primary leaching
Go out liquid acid 50-80g/L eventually, the whole acid 100-150g/L of 2-3 leachate；
Step 4, will always contain with the de- lead of purification, zinc, the impurity such as silver in the leachate ammonium hydrogen carbonate and ammonium sulfide of step 3
Amount is less than 10mg/L, and scavenging solution PH=4-5,2-3 times leachate comes back for counterflow leaching；
Step 5, the purification of manganese sulfate liquid ammonium hydroxide and ammonium sulfate and electrolysis additive of step 4 are modulated to be suitble to electrolytic manganese technology
It is required that electrolyte, carry out electrolytic manganese metal.
Embodiment 1：Certain enterprise produces the zinc electrolysis earth of positive pole and contains manganese 38.5%, and lead 13.2% is 650g/ tons silver-colored, zinc sulfate 13.55%.
First zinc sulfate therein being washed with 80 DEG C of hot water and being less than 50.5mg/L to containing zinc, total leaching requirement is 5.2 times of material quantity, and wash water is inverse
Stream recycles, and when level-one washing lotion reaches 10g/L containing zinc or more, returns to zinc leaching system.The earth of positive pole after washed dezincification adds
Enter the carbon black powder of manganese dioxide=0.2 times C/（60 mesh of granularity）, after being uniformly mixed, it is put into micro-wave oven and regulates and controls microwave frequency
100GHz, power 1000W, radiate within 30 minutes, and maximum temperature reaches 700 DEG C, and raw material bulk manganese dioxide is refined, color
It shoals, and is mixed with fragmentary yellow particle.
The earth of positive pole after microwave radiation is placed in leaching tanks and is leached with the sulfuric acid solution of 150g/L, liquid/solid=3-4,
90 ± 5 DEG C of extraction temperature, extraction time 2 hours, filtered filtration residue press above-mentioned condition and carry out secondary leach 0.5 hour again.
Leachate 38.53g/L containing manganese ion, 52.5mg/L containing zinc, lead 25.5mg/L, sulfuric acid 52g/L, secondary leachate containing manganese from
Sub- 10.1g/L, 10.2mg/L containing zinc, lead 10.5mg/L, sulfuric acid 120g/L, secondary leached mud contain manganese 3.6%, lead 31.2%, silver
1580g/ tons.Manganese leaching rate 94.5%.In leachate ammonium hydrogen carbonate and ammonium sulfide and purification takes off the impurity such as lead, zinc, silver,
It is 5.5mg/L to make the impure total amount of scavenging solution, then scavenging solution PH=4.5 are modulated to ammonium hydroxide and ammonium sulfate and electrolysis additive
It is suitble to the manganese electrolyte that electrolytic manganese technology requires to carry out the electrolysis of manganese metal, current efficiency 65.3%, manganese metal quality 99.56%.
Embodiment 2：It is washed with the zinc electrolysis earth of positive pole of embodiment 1 with hot water after being 15mg/L to Zn content by C/ titanium dioxides
Manganese=0.3 is added carbon black powder and is uniformly mixed, and is then placed in micro-wave oven, and the power for regulating and controlling microwave is 750W, and microwave radiation 40 divides
Zhong Hou carries out two-stage leaching by the leaching condition of example 1, and secondary leached mud contains manganese 1.5%, and manganese leaching rate 97.8% is primary to leach
When, due to return using example 1 secondary leachate carry out, leachate 45g/L containing manganese ion of gained, through ammonium hydrogen carbonate with
In ammonium sulfide and after purification, scavenging solution total amount containing beavy metal impurity is 1.3mg/L, PH=5, then by electrolytic manganese technology requirement, use ammonia
Water and ammonium sulfate and electrolysis additive SeO2Electrolyte is modulated, the electrolysis of manganese metal, current efficiency 68.5%, manganese metal product are carried out
Matter 99.68%.
Embodiment 3：Certain zinc electrolysis earth of positive pole contains manganese 42.5%, and lead 10.3% is 350g/ tons silver-colored, zinc sulfate 11.5%, by implementation
The coke blacking of manganese dioxide=0.3 C/ is added after the condition washing of example 2,40 mesh of granularity carries out microwave irradiation 40 and divides after mixing
Clock, then once leached with the secondary leachate of embodiment 2, the electrolytic manganese metal raffinate of embodiment 2 carry out secondary and three times
It leaches, a leachate 47.2g/L containing manganese ion, leached mud contains manganese 0.72%, manganese leaching rate 98.8%.Leachate carbonic acid
Hydrogen ammonium and ammonium sulfide neutralization are purified to PH=6, lead, Zn content 0.58mg/L, supplement ammonium sulfate to 120g/L and electrolysis additive into
Row is electrolysed to obtain manganese metal quality 99.72%, current efficiency 71.2%.
By the implementation of above step, recycling manganese can reach energy saving, emission reduction from the zinc electrolysis earth of positive pole, and economic benefit is most
Bigization.Advantage is：
（1）Manganese dioxide, brown lead oxide absorption microwave amount is big, and fast, and instantaneous temperature is high, can be catalyzed and accelerate manganese dioxide and two
Lead oxide is reduced to manganese monoxide and lead monoxide；The reduction roasting time is short, and temperature is low, and roasting is thorough, and reduction rate is high.
（2）Manganese monoxide and lead monoxide are easy to by sulfuric acid leaching, and manganese element leaches rate of recovery height, gained leachate purity
Height is conducive to electrolytic manganese metal, and lead smelting gas enrichment times are high, is free of or contains brown lead oxide less, is conducive to hydrometallurgy and separates and recovers.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form, appoint
What is simply repaiied to any made by above example according to the technical essence of the invention without departing from technical solution of the present invention content
Change, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (6)
1. a kind of method for recycling manganese in earth of positive pole from zinc electrolysis, it is characterised in that：The zinc electrolysis earth of positive pole is washed to containing with hot water
Zinc is less than 100mg/L, powdered carbon is then added, and be uniformly mixed to be placed in microwave field and carry out microwave treatment；Through microwave radiation processing
Zinc electrolysis earth of positive pole sulfuric acid leaching afterwards, obtains the leachate and argentiferous sulfuric acid lead skim of sulfur acid manganese, and manganese sulfate leachate is used
Ammonium hydrogen carbonate is neutralized, then removes lead, zinc, silver-colored impurity with ammonium sulfide purification, obtains purification of manganese sulfate liquid and purification slag, manganese sulfate
Electrolytic manganese metal is carried out after scavenging solution ammonium hydroxide and the modulation of ammonium sulfate and electrolysis additive.
2. the method for recycling manganese in a kind of earth of positive pole from zinc electrolysis as described in claim 1, it is characterised in that：With 60-80 DEG C
Hot water washs the zinc electrolysis earth of positive pole.
3. the method for recycling manganese in a kind of earth of positive pole from zinc electrolysis as described in claim 1, it is characterised in that：The carbon dust of addition
Granularity is 40-60 mesh, and the amount of addition is C/ manganese dioxide=0.2-0.3 times；The carbon dust is carbon black either charcoal powder or coke
Powder.
4. the method for recycling manganese in a kind of earth of positive pole from zinc electrolysis as described in claim 1, it is characterised in that：The frequency of microwave field
Rate 100GHz-300GHz, power 600-2000W, radiated time are 30-40 minutes.
5. the method for recycling manganese in a kind of earth of positive pole from zinc electrolysis as described in claim 1, it is characterised in that：Sulfuric acid leaching is
2-3 leaching, liquid/solid=3-4,90-95 DEG C of extraction temperature, extraction time 1-2 hour, 2-3 leaching 0.5-1 hours, one
Acid 50-80g/L, the whole acid 100-150g/L of 2-3 leachate obtain manganese sulfate leachate and argentiferous lead sulfate to secondary leachate eventually
Slag.
6. the method for recycling manganese in a kind of earth of positive pole from zinc electrolysis as claimed in claim 4, it is characterised in that：Manganese sulfate
Leachate is neutralized with ammonium hydrogen carbonate, and removing lead, zinc, silver-colored impurity to total content with ammonium sulfide purification is less than 10mg/L；Liquid PH after purification=
4-5,2-3 leachate come back for counterflow leaching, purification slag and sulfuric acid lead skim merging treatment.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218860A (en) * | 2019-05-30 | 2019-09-10 | 贵州大学 | A kind of method that anode slag low-temperature reduction roasted-prepared manganese sulfate solution recycling lead |
| CN113355696A (en) * | 2021-06-11 | 2021-09-07 | 邵阳学院 | Method for cleaning anode mud on zinc electrodeposition anode plate |
| CN113846233A (en) * | 2021-10-20 | 2021-12-28 | 辽宁石油化工大学 | Method for directly reducing and treating waste CRT glass by utilizing microwaves |
| CN116875827A (en) * | 2023-07-12 | 2023-10-13 | 重庆上甲电子股份有限公司 | Method for preparing soft magnetic manganese zinc ferrite composite material by utilizing manganese-containing waste residues and zinc-containing waste residues generated in production of perillaldehyde |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538650A (en) * | 2009-04-24 | 2009-09-23 | 株洲市湘麒科技开发有限公司 | Method for wet-separation of manganese from lead and silver in electrolytic-zinc anode slime |
| CN103194768A (en) * | 2013-04-16 | 2013-07-10 | 中南大学 | Method for preparing electrolytic manganese metal by using high-iron and high-phosphor manganese ores |
| CN104131167A (en) * | 2014-07-11 | 2014-11-05 | 广西大学 | Method for recovering selenium and manganese in manganese anode slime by using microwaves |
| CN104591291A (en) * | 2015-01-08 | 2015-05-06 | 杜新玲 | Method for producing manganese sulfate by performing zinc electrodeposit anode slime treatment on sulfur dioxide flue gas |
-
2018
- 2018-03-19 CN CN201810222229.8A patent/CN108277353B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538650A (en) * | 2009-04-24 | 2009-09-23 | 株洲市湘麒科技开发有限公司 | Method for wet-separation of manganese from lead and silver in electrolytic-zinc anode slime |
| CN103194768A (en) * | 2013-04-16 | 2013-07-10 | 中南大学 | Method for preparing electrolytic manganese metal by using high-iron and high-phosphor manganese ores |
| CN104131167A (en) * | 2014-07-11 | 2014-11-05 | 广西大学 | Method for recovering selenium and manganese in manganese anode slime by using microwaves |
| CN104591291A (en) * | 2015-01-08 | 2015-05-06 | 杜新玲 | Method for producing manganese sulfate by performing zinc electrodeposit anode slime treatment on sulfur dioxide flue gas |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218860A (en) * | 2019-05-30 | 2019-09-10 | 贵州大学 | A kind of method that anode slag low-temperature reduction roasted-prepared manganese sulfate solution recycling lead |
| CN113355696A (en) * | 2021-06-11 | 2021-09-07 | 邵阳学院 | Method for cleaning anode mud on zinc electrodeposition anode plate |
| CN113846233A (en) * | 2021-10-20 | 2021-12-28 | 辽宁石油化工大学 | Method for directly reducing and treating waste CRT glass by utilizing microwaves |
| CN116875827A (en) * | 2023-07-12 | 2023-10-13 | 重庆上甲电子股份有限公司 | Method for preparing soft magnetic manganese zinc ferrite composite material by utilizing manganese-containing waste residues and zinc-containing waste residues generated in production of perillaldehyde |
| CN116875827B (en) * | 2023-07-12 | 2024-03-15 | 重庆上甲电子股份有限公司 | Method for preparing soft magnetic manganese zinc ferrite composite material by utilizing manganese-containing waste residues and zinc-containing waste residues generated in production of perillaldehyde |
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