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WO2009129653A1 - Procédé intégrant récupération et utilisation pour le minerai de nickel latéritique - Google Patents

Procédé intégrant récupération et utilisation pour le minerai de nickel latéritique Download PDF

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Publication number
WO2009129653A1
WO2009129653A1 PCT/CN2008/000829 CN2008000829W WO2009129653A1 WO 2009129653 A1 WO2009129653 A1 WO 2009129653A1 CN 2008000829 W CN2008000829 W CN 2008000829W WO 2009129653 A1 WO2009129653 A1 WO 2009129653A1
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Prior art keywords
nickel
smelting
iron
laterite
produce
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PCT/CN2008/000829
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Chinese (zh)
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董书通
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Priority to PCT/CN2008/000829 priority Critical patent/WO2009129653A1/fr
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Classifications

    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/025—Obtaining nickel or cobalt by dry processes with formation of a matte or by matte refining or converting into nickel or cobalt, e.g. by the Oxford process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/004—Making spongy iron or liquid steel, by direct processes in a continuous way by reduction from ores
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/006—Starting from ores containing non ferrous metallic oxides
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/005—Preliminary treatment of ores, e.g. by roasting or by the Krupp-Renn process
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0407—Leaching processes
    • C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
    • C22B23/043—Sulfurated acids or salts thereof
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
    • 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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
    • C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
    • C22B3/3842—Phosphinic acid, e.g. H2P(O)(OH)
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2300/00—Process aspects
    • C21B2300/02—Particular sequence of the process steps
    • 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

Definitions

  • the invention relates to a metallurgical method for extracting nickel, cobalt and iron from laterite nickel ore, in particular to synthesize semi-steel alloy laterite nickel ore directly from molten slag by means of ore furnace reduction technology or electric arc furnace reduction technology. Recycling method.
  • the traditional laterite nickel ore extraction technology includes rotary kiln drying pre-reduction-electric furnace reduction smelting to produce ferronickel; sintering-blast furnace smelting smelting to produce low-ice nickel; sintering-blast furnace reduction smelting to produce nickel pig iron; pressurized acid leaching and reduction roasting-ammonia leaching Wait.
  • Rotary kiln drying pre-reduction - electric furnace reduction smelting is a classic process for processing nickel laterite ore. The process is as follows:
  • nickel laterite ore is dried, dehydrated and pre-reduced at 800 ⁇ 900 °C in a rotary kiln, and then sent to a submerged arc furnace to reduce smelting at a high temperature of about 1550 ⁇ 1600 °C to produce >15% nickel.
  • the ferronickel is further refined and enriched by the converter to more than 25% for sale to produce stainless steel. It has the characteristics of strong process adaptability, short process and high nickel recovery rate. The disadvantage is that cobalt in nickel ore cannot be recovered.
  • the blast furnace smelting smelting is also a classic process for treating laterite nickel ore.
  • the nickel laterite ore is sintered into a block at about 110CTC (or extruded into a mass, naturally dried), and then blended into 10 ⁇ 20% of pyrite and about 20-30% of coke are smelted in a blast furnace at a temperature of about 1350 ° C to produce a low ice nickel product containing 8 to 15% nickel.
  • Sintering - Blast Furnace Reduction Smelting is a red earth nickel ore treatment method developed on the basis of the blast furnace ironmaking process to produce nickel pig iron containing 3 to 5% nickel.
  • the nickel laterite ore is treated by pressurized acid leaching.
  • the object of the present invention is to provide a comprehensive recycling method for laterite nickel ore with good comprehensive utilization of resources, relatively simple process and short process, in view of the lack of comprehensive utilization of resources in the traditional laterite nickel ore processing.
  • the present invention adopts the following scheme:
  • the method for comprehensive recycling of a laterite nickel ore according to the present invention has the following steps:
  • A uses sulfurized smelting to treat laterite nickel ore to produce low ice nickel
  • the step A further comprises the steps of: transporting the laterite nickel ore to the original ore yard, first sending the rod to vibrate the feeding sieve, removing the large block of 30 mm or more, and feeding the material on the sieve directly to the blast furnace, sieving the laterite nickel ore and 5 ⁇ After mixing 10% calcium sulfate and 10% pyrite, it is extruded into a dough by a press, dried and then sent to a blast furnace together with about 20-30% coke, and smelted at a temperature of about 130 (TC). Produces low ice nickel products containing 8 to 15% nickel.
  • the step B further comprises the steps of: smelting the smelting smelting slag in a molten state at about 1300 ° C directly into the submerged arc furnace, heating the electric current to above 1500 ° C, and then blowing the pulverized coal through the spray gun with compressed air and The mixture of coke reduces the iron in the slag, produces a semi-steel alloy containing more than 80% of iron, and then adds the semi-steel alloy to the converter to smelt into qualified molten steel.
  • the step B further comprises the steps of: directly treating the molten smelting slag in a molten state by using an electric arc furnace reduction smelting: the molten smelting smelting slag in a molten state at about 1300 ° C directly flows into the electric arc furnace, and the electric current is raised to 1500 ° Above C, the compressed air is used to spray the mixture of pulverized coal and coke through the spray gun to reduce the iron in the slag, produce a semi-steel alloy containing more than 80% of iron, and then pass oxygen through the furnace door and the furnace wall oxygen lance. Oxidation blowing is carried out to obtain qualified molten steel.
  • the step C further comprises the steps of: crushing and blasting the low-ice nickel produced by the smelting and smelting of the blast furnace, and then spraying the low-ice nickel slurry into the boiling furnace by means of slurry feeding, at 550 to 600 ° C
  • the sulphation roasting of low-ice nickel is realized, and the flue gas is recovered into sulfuric acid;
  • the calcined sand produced by the boiling furnace is subjected to the second-stage acid leaching, and the leaching slag produced by the slag contains more than 60% of iron, and can be used as a high-quality iron concentrate.
  • the leachate is neutralized by calcium carbonate to remove iron, and a solution suitable for the extraction requirement can be obtained; the iron and slag is returned to the ingredients, and the pellet is used.
  • the step C further comprises the steps of: selectively removing cobalt by using Cyanex 272 extractant after purifying and removing iron, and deep separation of cobalt and nickel, and carrying the organic phase containing cobalt and then extracting by hydrochloric acid or sulfuric acid, Directly produce high purity cobalt salt products.
  • the invention is based on the new technology of "blast furnace smelting smelting” technology and “melting liquid slag ore hot electric furnace or electric arc furnace direct reduction smelting” technology, and smelting by fire method to realize nickel, cobalt and iron in laterite nickel ore.
  • Comprehensive utilization, respectively produces low ice nickel containing about 10% nickel and semi-steel alloy products containing more than 80% iron.
  • the low-nickel nickel is further subjected to sulphation boiling roasting-acid leaching to produce iron concentrate, sulfuric acid and nickel-cobalt leaching solution respectively, and the nickel-cobalt leaching solution is further purified-extracted to produce a cobalt salt product and a nickel solution suitable for producing electrolytic nickel. . Therefore, the present invention has better effects in terms of process flow, comprehensive utilization of resources, economic efficiency, and environmental protection as compared with the conventional laterite nickel ore processing.
  • Fig. 1 is a flow chart showing the principle of comprehensively recycling nickel, cobalt and iron from laterite nickel ore according to the present invention. detailed description
  • the method for comprehensively recycling and utilizing laterite nickel ore comprises the following steps:: The laterite nickel ore is transported to the original ore yard, and the rod is first sent to the vibrating feed screen to remove a large block of 30 mm or more.
  • the material on the sieve is directly sent to the blast furnace for treatment.
  • the material under the sieve is mixed with appropriate amount of lime or gypsum, coke (or blue carbon) and pyrite, and sent to a hydraulic press to make a mass of 100 ⁇ 200mm under the pressure of about 200t, air-dried. After the blast furnace treatment.
  • the sieve material of more than 30mm and the dried agglomerate are mixed with a certain proportion of coke and lime, they are directly sent to the blast furnace and smelted and smelted at about 1350 °C.
  • the blast furnace flue gas is collected by the cyclone.
  • the surface cooler is cooled and cooled, and the bag dust collector collects the dust, and then is absorbed by the alkali absorption tower and then emptied.
  • the liquid slag of the blast furnace at about 1350 °C flows directly into the reduction furnace, and then is heated to about 1550 ° C, and then injected with compressed air into the pulverized coal and coke particles to achieve the agitation reduction of the liquid slag, and directly produce the semi-steel containing more than 80% of iron. alloy.
  • the low-nickel nickel is sent to the crushing and ball milling treatment after being cast ingot by a circular casting machine.
  • the low-ice nickel material is thickened, dehydrated and pulped, and then sent to a boiling furnace for sulfuric acid roasting.
  • the nickel and cobalt metal sulfides in the low-ice nickel are converted into sulfate, and the iron is converted into Fe203.
  • the flue gas is collected by the cyclone dust collection and the high temperature electric precipitator, so that the fine grain calcine contained in the flue gas is basically collected.
  • the temperature of the flue gas after electric dust collection is about 300 ° C, and then sent to the acid production process after washing in the venturi scrubber and cooling the packed tower.
  • the nickel electrolysis solution is first subjected to a low acid leaching to control the pH of the solution to a pH of about 3, so that about 60% of nickel, cobalt and about 2% of iron are leached.
  • the leaching solution is subjected to oxidative neutralization and iron removal, strontium carbonate removal of lead, low-ice nickel removal of copper and sodium fluoride to remove calcium and magnesium, and then subjected to extraction and cobalt removal processes to respectively produce high-purity cobalt sulfate solution and nickel sulfate solution, cobalt sulfate solution.
  • sodium carbonate is precipitated into cobalt carbonate, high-purity cobalt oxide is produced by high-temperature calcination.
  • the nickel sulfate solution is sent to the nickel electrowinning workshop to produce the national standard 1 #cathode nickel.
  • Example 1 In order to ensure high recovery rate of nickel and cobalt, a low acid leaching residue is further leached by high acid reduction, so that the leaching rates of nickel and cobalt are above 97%, and the slag contains nickel and cobalt below 0.2%. The high acid leachate is returned to a low acid leaching to consume the acid therein.
  • Example 1 In order to ensure high recovery rate of nickel and cobalt, a low acid leaching residue is further leached by high acid reduction, so that the leaching rates of nickel and cobalt are above 97%, and the slag contains nickel and cobalt below 0.2%. The high acid leachate is returned to a low acid leaching to consume the acid therein.
  • the laterite nickel ore composition used Ni 0.8%, Fe 43%, Co 0.1%, Mg 03.65%, Si027.7%, Ca02.1%, A12O36.08%, Crl. 72%.
  • the smelting conditions of the blast furnace are: melting temperature 1350 ° C, coke ratio 25%, pyrite addition amount 5 ° /. , the amount of calcium sulfate added is 10%.
  • the electric furnace reduction smelting conditions are: melting temperature 1550 ° C, coke ratio 6%, coal ratio 8%.
  • the sulfation roasting conditions are: calcination temperature 600 ° C, 1.1 times theoretical air volume, time
  • the leaching conditions were: temperature 95 ° C, sulfuric acid content 80 g L, time 2 h.
  • the test results are as follows: Low ice nickel contains 11.5% nickel, 1.4% cobalt, 58% iron, and 23% sulfur.
  • the semi-steel alloy contains 85% iron and 0.6% sulfur. , containing 1% carbon, 5% silicon.
  • Boiling roasting flue gas contains S026.5%.
  • the leaching results were as follows: nickel leaching rate 97%, cobalt leaching rate 94%, and iron leaching rate 22%.
  • the laterite nickel ore composition used Ni 1%, Fe 45%, Co 0.1%, Mg05.42%, Si026.9%, Ca03.2%, A12O38.02%, Cr2.22%.
  • the smelting conditions of the blast furnace are: melting temperature 1350 ° C, coke ratio 25%, pyrite addition amount 5%, calcium sulfate addition amount 10%.
  • the electric furnace reduction smelting conditions are: melting temperature 1550 ° C, coke ratio 6%, coal ratio 8 ° /. .
  • the sulfation roasting conditions are: calcination temperature 580 ° C, 1.1 times theoretical air volume, time
  • the leaching conditions were as follows: temperature 95 ° C, sulfuric acid content 80 g L, time 4 h.
  • low ice nickel contains 12% nickel, 1.3% cobalt, 56% iron, and 22.5% sulfur.
  • the semi-steel alloy contains 83% iron, 0.5% sulfur, 0.9% carbon, and 6% silicon.
  • the boiling roasting flue gas contains S026.8%.
  • the leaching results were as follows: nickel leaching rate 98%, cobalt leaching rate 94.5%, and iron leaching rate 30%.
  • Example 3 The laterite nickel ore composition used: Ni l .2%, Fe 40%, Co 0.08% Mg 02.36%, Si028.7%, Ca03.2%, A12035.1%, Cr 2.46%.
  • the smelting conditions of the blast furnace are: melting temperature 1350 ° C, coke ratio 26%, pyrite addition 4%, calcium sulfate addition 12%.
  • the electric furnace reduction smelting conditions are: melting temperature 1550 ° C, coke ratio 6%, coal ratio 8%.
  • the sulfation roasting conditions are: calcination temperature 560, 1.1 times theoretical air volume, time
  • the leaching conditions were: temperature 95, sulfuric acid content 80 g/L, time 4 h.
  • Low ice nickel contains 10.2% nickel, 1.3% cobalt, 57% iron, and 22% sulfur.
  • the semi-steel alloy contains 83% iron, 0.7% sulfur, 1.2% carbon, and 6% silicon.
  • Boiling roasting flue gas contains S026.7%.
  • the leaching results were as follows: nickel leaching rate 96%, cobalt leaching rate 93%, and iron leaching rate 32%.
  • the laterite nickel ore composition used Ni 0.75%, Fe 38%, Co 0.07%, Mg 03.16%, Si027.4%, Ca 02.8%, A12036.1%, Crl .87%.
  • the smelting conditions of the blast furnace are: smelting temperature 1300 ⁇ , coke ratio 28%, pyrite addition amount 5%, calcium sulfate addition amount 12%.
  • the electric furnace reduction smelting conditions are: melting temperature 1530 ° C, coke ratio 6%, coal ratio 8%.
  • the sulfation roasting conditions are: calcination temperature 560 ° C, 1.1 times theoretical air volume, time
  • the leaching conditions were as follows: temperature 95 ° C, sulfuric acid content 80 g / L, time 4 h.
  • the test results are as follows: Low ice nickel contains 9.9% nickel, 0.9% cobalt, 58.5% iron, and 21.6% sulfur.
  • the semi-steel alloy contains 84% iron, 0.65% sulfur, 1.1% carbon, and 5.2% silicon.
  • the boiling roasting flue gas contains S026.8%.
  • the leaching results were as follows: nickel leaching rate 97%, cobalt leaching rate 93.5%, and iron leaching rate 25%.
  • Composition of laterite nickel ore used Ni 0.92%, Fe 41%, Co 0.1%, Mg 04.88%, Si029.5%, Ca03.95%, A12037.8%, Cr3.11%.
  • the smelting conditions of the blast furnace are: smelting temperature 1300 °C, coke ratio 26%, pyrite addition 5%, calcium sulfate addition 10%.
  • the electric furnace reduction smelting conditions are: smelting temperature 1550 ⁇ , coke ratio 6%, coal ratio 8%.
  • the sulfation roasting conditions are: calcination temperature 560 ° C, 1.1 times theoretical air volume, time
  • the leaching conditions were: temperature 95 ° C, sulfuric acid content 80 g L, time 4 h.
  • the test results are as follows: Low ice nickel contains 11.8% nickel, 1.36% cobalt, 57.6% iron, and 23.2% sulfur.
  • the semi-steel alloy contains 81% iron, 0.58% sulfur, 1.67% carbon, and 7.1% silicon.
  • the boiling roasting flue gas contains S027.1%.
  • the leaching results were: nickel leaching rate of 96.6%, cobalt leaching rate of 92.5%, and iron leaching rate of 28%.
  • the process of the present invention is further illustrated by the following non-limiting examples, which are intended to be illustrative of the invention and its advantages, and are not intended to limit the scope of the invention.

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Abstract

La présente invention concerne un procédé métallurgique d'extraction de nickel, de cobalt et de fer du minerai de nickel latéritique. Il s'agit en l'occurrence d'un procédé intégrant la récupération et l'utilisation du minerai de nickel latéritique, lequel procédé comporte les différentes opérations suivantes. A) On soumet le minerai de nickel latéritique à une sulfuration en fusion donnant une matte de nickel. B) On soumet le laitier fondu provenant directement de l'opération de sulfuration à une réduction en fusion dans un four électrique à arc submergé donnant un demi-produit de l'acier dont la teneur en Fe est supérieure à 80% subissant ensuite, dans un convertisseur, un raffinage donnant un acier de qualité normalisée. On peut aussi mettre la laitier fondu dans un four à arc électrique pour obtenir directement l'acier de qualité normalisée. C) On soumet la matte de nickel à faible teneur à une lixiviation par une solution acide de grillage sulfatant donnant de l'acide sulfurique et un concentré de Fe d'une teneur supérieure à 60%. D) On soumet la liqueur de lixiviation du Ni/Co à extraction par solvant donnant un sel contenant du cobalt. La présente invention se distingue par ses effets positifs concernant la conception du traitement, l'utilisation d'ensemble des ressources, l'intérêt économique, et la protection de l'environnement.
PCT/CN2008/000829 2008-04-23 2008-04-23 Procédé intégrant récupération et utilisation pour le minerai de nickel latéritique Ceased WO2009129653A1 (fr)

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Cited By (17)

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CN102115816A (zh) * 2011-01-07 2011-07-06 东北大学 一种综合利用红土镍矿的方法
CN107686891A (zh) * 2017-08-31 2018-02-13 武汉理工大学 一种去除有色金属溶液中铁元素的方法
CN112030006A (zh) * 2020-07-17 2020-12-04 中国恩菲工程技术有限公司 适用于镍锍吹炼还原炉的筛炉方法
CN112646973A (zh) * 2020-12-09 2021-04-13 金川集团股份有限公司 一种三段选择性浸出红土矿的方法
CN113337725A (zh) * 2021-06-29 2021-09-03 红河学院 一种从冶炼渣中富集锗的方法
CN113416843A (zh) * 2021-06-18 2021-09-21 国家电投集团黄河上游水电开发有限责任公司 一种硫化镍精矿的超细磨-氧压浸出工艺
CN114408980A (zh) * 2022-02-11 2022-04-29 长沙有色冶金设计研究院有限公司 一种除锰剂的制备方法和设备
CN115786730A (zh) * 2022-10-28 2023-03-14 矿冶科技集团有限公司 一种镍铁硫化制备低冰镍和高冰镍的方法和应用
CN115852165A (zh) * 2022-12-05 2023-03-28 山东鑫海科技股份有限公司 由红土镍矿生产低镍锍的方法
CN116004975A (zh) * 2023-02-07 2023-04-25 东北大学 一种红土镍矿悬浮焙烧-熔炼的综合利用方法
CN116411177A (zh) * 2023-02-24 2023-07-11 新疆新鑫矿业股份有限公司阜康冶炼厂 一种高冰镍湿法浸出设备及工艺
CN116949282A (zh) * 2023-04-28 2023-10-27 浙江华友钴业股份有限公司 红土镍矿浸出渣的处理方法及其设备
CN117127024A (zh) * 2023-08-30 2023-11-28 东北大学 红土镍矿流态化煤基预还原矿热熔分系统及铁水制备方法
CN117385164A (zh) * 2023-10-16 2024-01-12 赛恩斯环保股份有限公司 一种提高铜冶炼渣中铁回收率的方法
WO2024026998A1 (fr) * 2022-08-04 2024-02-08 广东邦普循环科技有限公司 Procédé de traitement de minerai de nickel latéritique au moyen d'un four à soufflage latéral enrichi en oxygène
WO2024031789A1 (fr) * 2022-08-10 2024-02-15 广东邦普循环科技有限公司 Procédé de production d'une matte à haute teneur en nickel par réduction sulfuration fusion de minerai de latérite-nickel
CN119843075A (zh) * 2025-03-21 2025-04-18 合肥水泥研究设计院有限公司 一种通过熔炼红土型镍矿获得镍铁合金的方法

Citations (4)

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CN102115816B (zh) * 2011-01-07 2013-01-09 东北大学 一种综合利用红土镍矿的方法
CN102115816A (zh) * 2011-01-07 2011-07-06 东北大学 一种综合利用红土镍矿的方法
CN107686891A (zh) * 2017-08-31 2018-02-13 武汉理工大学 一种去除有色金属溶液中铁元素的方法
CN107686891B (zh) * 2017-08-31 2019-10-25 武汉理工大学 一种去除有色金属溶液中铁元素的方法
CN112030006B (zh) * 2020-07-17 2022-05-31 中国恩菲工程技术有限公司 适用于镍锍吹炼还原炉的筛炉方法
CN112030006A (zh) * 2020-07-17 2020-12-04 中国恩菲工程技术有限公司 适用于镍锍吹炼还原炉的筛炉方法
CN112646973B (zh) * 2020-12-09 2022-11-25 金川集团股份有限公司 一种三段选择性浸出红土矿的方法
CN112646973A (zh) * 2020-12-09 2021-04-13 金川集团股份有限公司 一种三段选择性浸出红土矿的方法
CN113416843A (zh) * 2021-06-18 2021-09-21 国家电投集团黄河上游水电开发有限责任公司 一种硫化镍精矿的超细磨-氧压浸出工艺
CN113337725A (zh) * 2021-06-29 2021-09-03 红河学院 一种从冶炼渣中富集锗的方法
CN114408980A (zh) * 2022-02-11 2022-04-29 长沙有色冶金设计研究院有限公司 一种除锰剂的制备方法和设备
CN114408980B (zh) * 2022-02-11 2024-06-04 长沙有色冶金设计研究院有限公司 一种除锰剂的制备方法和设备
WO2024026998A1 (fr) * 2022-08-04 2024-02-08 广东邦普循环科技有限公司 Procédé de traitement de minerai de nickel latéritique au moyen d'un four à soufflage latéral enrichi en oxygène
WO2024031789A1 (fr) * 2022-08-10 2024-02-15 广东邦普循环科技有限公司 Procédé de production d'une matte à haute teneur en nickel par réduction sulfuration fusion de minerai de latérite-nickel
CN115786730A (zh) * 2022-10-28 2023-03-14 矿冶科技集团有限公司 一种镍铁硫化制备低冰镍和高冰镍的方法和应用
CN115852165A (zh) * 2022-12-05 2023-03-28 山东鑫海科技股份有限公司 由红土镍矿生产低镍锍的方法
CN116004975A (zh) * 2023-02-07 2023-04-25 东北大学 一种红土镍矿悬浮焙烧-熔炼的综合利用方法
CN116411177A (zh) * 2023-02-24 2023-07-11 新疆新鑫矿业股份有限公司阜康冶炼厂 一种高冰镍湿法浸出设备及工艺
CN116949282A (zh) * 2023-04-28 2023-10-27 浙江华友钴业股份有限公司 红土镍矿浸出渣的处理方法及其设备
CN116949282B (zh) * 2023-04-28 2024-02-13 浙江华友钴业股份有限公司 红土镍矿浸出渣的处理方法及其设备
CN117127024A (zh) * 2023-08-30 2023-11-28 东北大学 红土镍矿流态化煤基预还原矿热熔分系统及铁水制备方法
CN117385164A (zh) * 2023-10-16 2024-01-12 赛恩斯环保股份有限公司 一种提高铜冶炼渣中铁回收率的方法
CN119843075A (zh) * 2025-03-21 2025-04-18 合肥水泥研究设计院有限公司 一种通过熔炼红土型镍矿获得镍铁合金的方法

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