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WO2010078787A1 - Procédé de valorisation de latérite pour l'enrichissement du nickel et/ou du cobalt - Google Patents

Procédé de valorisation de latérite pour l'enrichissement du nickel et/ou du cobalt Download PDF

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Publication number
WO2010078787A1
WO2010078787A1 PCT/CN2009/075401 CN2009075401W WO2010078787A1 WO 2010078787 A1 WO2010078787 A1 WO 2010078787A1 CN 2009075401 W CN2009075401 W CN 2009075401W WO 2010078787 A1 WO2010078787 A1 WO 2010078787A1
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WO
WIPO (PCT)
Prior art keywords
ore
products
sieve
nickel
type ore
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.)
Ceased
Application number
PCT/CN2009/075401
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English (en)
Chinese (zh)
Inventor
管建红
李平
陈文熙
李振飞
王林生
林鸿珍
苏树红
盛能庆
雷捷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Rare Earth and Rare Metals Tungsten Group Holding Co Ltd
Original Assignee
Jiangxi Rare Earth and Rare Metals Tungsten Group Holding Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Rare Earth and Rare Metals Tungsten Group Holding Co Ltd filed Critical Jiangxi Rare Earth and Rare Metals Tungsten Group Holding Co Ltd
Publication of WO2010078787A1 publication Critical patent/WO2010078787A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • 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
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Definitions

  • the present invention relates to a beneficiation process for enriching nickel and/or cobalt, in particular to a beneficiation process for enriching nickel and/or cobalt from laterite nickel ore, and more particularly to the treatment of lignite in laterite nickel ore.
  • Separate ore dressing method for ore type and serpentine type ore After the raw ore is first sieved and classified, the combined process of re-election and magnetic classification processes is used to concentrate and enrich nickel and/or cobalt to achieve the purpose of improving the grade.
  • the beneficiation process of laterite nickel ore has methods such as magnetic separation and flotation. ⁇ Using magnetic separation-flotation process to enrich nickel in the non-magnetic part, and then flotation, the obtained flotation concentrate is the available nickel resource, which can be leached. Flotation tailings due to the high grade of nickel, but not required, it is necessary to once again grind, sweep the concentrate to the leaching process, sweeping the tailings to abandon.
  • the object of the present invention is to provide a laterite ore dressing process enriched in nickel and/or cobalt, which has strong ore dressing, high grade of refined nickel, recovery of nickel and The enrichment ratio (enrichment multiple) is high.
  • Another object of the present invention is to provide a laterite nickel ore beneficiation process enriched in nickel and/or cobalt, which can be used as a concentrate for refining raw materials of Ni and Fe alloys, and to reduce the flow into the hydrometallurgical process. Processing volume.
  • Another object of the present invention is to provide a laterite nickel ore beneficiation process enriched in nickel and/or cobalt, which has a flexible process, and a magnetic separation device with a relatively small amount of material handling, multi-point configuration, can be Different requirements produce the corresponding products.
  • Another object of the present invention is to provide a laterite nickel ore beneficiation process enriched in nickel and/or cobalt, which is designed Simple in preparation, low in energy consumption, cost-effective, and promising for industrial applications.
  • Another object of the present invention is to provide a laterite nickel ore beneficiation process enriched in nickel and/or cobalt which is environmentally friendly.
  • the object of the present invention can be achieved by the following method: A beneficiation process enriched in nickel and/or cobalt, characterized in that the limonite type ore and the serpentine type ore are separately subjected to beneficiation, limonite type ore and snake After the ore washing, the ore-type ore is subjected to at least one grading by using a sieve, and the products of each grade are separately beneficiated, and the refinement and magnetic grading process are performed to obtain the desired concentrate.
  • the limonite or serpentine raw material ore is respectively divided into two sieves and three grades, the primary sieve mesh is 0.9 ⁇ 1.0mm, and the secondary sieve mesh is 0.074 ⁇ 0.105mm;
  • step 2 the coarse-grained materials are not selected and directly enter the subsequent operation;
  • step 2 the medium-sized material enters the re-election process, and after re-election, two products of heavy product and light product are obtained.
  • heavy products containing relatively low nickel can be directly subjected to subsequent operations without magnetic separation, and the light products are further enriched into the final product through two magnetic separation processes.
  • step 2 the fine-grained materials are also re-elected to obtain two products: heavy products and light products.
  • heavy products with relatively low nickel content can be directly subjected to subsequent operations without magnetic separation.
  • the light products are further enriched into the final product through two magnetic separation processes.
  • the overflow can be directly entered into the product, or it can be passed once again. After magnetic separation and enrichment, they enter the product separately.
  • Limonite type ore, serpentine type ore, and their mixed ore are all difficult materials.
  • the limonite type ore is a laterite ore with high iron content and low content of silicon and magnesium.
  • the serpentine type contains Low-iron, iron-magnesium silicate nickel ore with high silicon and magnesium. Therefore, the limonite type ore and the serpentine type ore are separated and separated separately, and different process parameters can be set according to the difference in the properties of the limonite type ore and the serpentine type ore, thereby improving the pertinence of the beneficiation. This is one of the key technologies of the present invention.
  • the coarse-grained materials directly enter the subsequent operation, which reduces the processing capacity of the selected ore, improves the selection of the selected fractions, and concentrates the raw materials with a certain particle size within a certain range, which is beneficial to improve
  • the efficiency of the re-election process in the next step is the second key technology of the present invention.
  • the purpose of re-election is to make the phase of similar density in the raw materials relatively concentrated, and arrange and arrange the magnetic separation process according to the characteristics of the obtained product to obtain a higher grade concentrate and a higher enrichment ratio. It is the third key technology of the present invention.
  • Another advantage of the present invention is that it is environmentally friendly.
  • Figure 1 is a flow chart of the re-election-magnetic separation process of a limonite type/serpentine type ore sample.
  • the beneficiation process flow from the limonite type ore comprises the following steps: an ore preparation step 11, a screening step 12, a reselection step 13, a magnetic separation step 14, a magnetic separation step 15, And a beneficiation product 16 produced by the magnetic separation process step.
  • the concentrate After D and -0.076mm grain-level materials are sorted by shaker, the concentrate directly enters the subsequent operation.
  • the medium ore, tailings, and overflow are enriched by magnetic fields of different magnetic field strengths respectively, and the corresponding magnetic properties are produced.
  • tailings After the ore has been sorted by economical and reasonable beneficiation process, its main useful components are enriched and become concentrates, which are the final products of the concentrator; tailings are the concentrating plants that grind the ore under specific economic and technical conditions.
  • the waste discharged after the selection of the "useful component", that is, the solid waste remaining after the ore is selected for the concentrate; concentrate and Outside the tailings is called the middle mine.
  • the elemental analysis result of the limonite type ore is (%): Fe 28.48, Ni 1.05, Co 0.064, SP 0.055, As SiO 2 32.0, MgO 1.50, Ca 0.86, Cu 0.03, Pb
  • the yield of nickel in the concentrate is 51.73%, the concentrate grade is 1.57%, and the enrichment ratio is 1.495.
  • the yield of nickel in the medium ore is 37.14%, the recovery rate is 36.58%, and the metal grade is 1.04%.
  • the yield of nickel was 21.97%, the recovery was 11.42%, and the metal grade was 0.53%.
  • the choice of mesh diameter is determined based on the results of the screening of the raw materials.
  • the primary screening mesh may be between 1 and 0.9 mm
  • the secondary screening mesh may be between 0.105 and 0.074 mm
  • the magnetic separation step 15 may also be omitted, depending on the needs of the product being produced.
  • the flexible arrangement and the corresponding adjustment of the magnetic field strength within a certain range can also achieve the object of the present invention.
  • the beneficiation process flow from the serpentine type ore comprises the following steps: an ore preparation step 11, a screening step 12, a reselection step 13, a magnetic separation step 14, a magnetic separation step 15, And a beneficiation product 16 produced by the magnetic separation process step.
  • Step 14 and step 15 are the magnetic separation process, which means that step 14 is a mandatory process.
  • step 15 is an optional process, and step 14 of the magnetic separation process may be a magnetic separation process or two.
  • step 14 in the embodiment includes two magnetic separation steps.
  • the elemental analysis result of the serpentine type ore is (%): Fe 14.42, Ni 1.62, Co 0.045, S 0.01 s P 0.027 s As 0.13s SiO 2 45.0, MgO 10.62, Ca 0.62, Cu 0.016, Pb ⁇ 0.05 s Zn 0.013s Al 2 0 3 2.75, Mn 0.16, Cr 0.69.
  • the yield of nickel in the concentrate is 22.24%, the recovery rate is 28.79%, the concentrate grade is 2.05%, and the enrichment ratio is 1.29.
  • the yield of nickel in the medium ore is 56.68%, the recovery rate is 60.21%, and the metal grade is 1.68%.
  • the yield of medium nickel is 21.08%, the recovery rate is 11.00%, and the metal grade is 0.83%.
  • the primary screening mesh may be between 1 and 0.9 mm
  • the secondary screening mesh may be between 0.105 and 0.074 mm
  • the magnetic separation step 15 may also be omitted, depending on the product.
  • a flexible arrangement is required, and the magnetic field strength is adjusted correspondingly within a certain range to achieve the object of the present invention.
  • the re-election overflow can be directly entered into the product or further enriched by magnetic separation. Because the grade of nickel in the overflow is higher than that of the original ore, it is lower than the concentrate of the product, and directly enters the concentrate without magnetic separation. Thus, the metal recovery rate of the concentrate is higher, but the concentrate grade will be reduced. Conversely, after the overflow is magnetically selected, the portion enriched in nickel enters the concentrate, and the rest enters the middle ore. Thus, the grade of the concentrate is higher and the enrichment ratio is higher. However, the recovery rate of concentrates has also declined.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

L'invention porte sur un procédé de valorisation de latérite pour l'enrichissement du nickel et/ou du cobalt comprenant les étapes consistant à séparer du nickel latéritique en minerai de type limonite et minerai de type serpentine pour les valoriser séparément, procéder à la classification pendant au moins un moment par un crible après lavage du minerai, valoriser séparément les produits de diverses qualités et obtenir un concentré cible par un procédé de classification par séparation par gravité et séparation magnétique. Le concentré peut être obtenu pour avoir une qualité supérieure et un taux de récupération supérieure par séparation de nickel latéritique en minerai de type limonite et minerai de type serpentine pour les valoriser séparément.
PCT/CN2009/075401 2008-12-29 2009-12-08 Procédé de valorisation de latérite pour l'enrichissement du nickel et/ou du cobalt Ceased WO2010078787A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810246586.4 2008-12-29
CN 200810246586 CN101439314B (zh) 2008-12-29 2008-12-29 一种富集镍和/或钴的红土镍矿选矿工艺

Publications (1)

Publication Number Publication Date
WO2010078787A1 true WO2010078787A1 (fr) 2010-07-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009242827B2 (en) * 2008-04-30 2014-05-08 Jiangxi Rare Earth And Rare Metals Tungsten Group Corporation A method of extracting Ni and/or Co
CN114950711A (zh) * 2022-05-19 2022-08-30 中化地质矿山总局地质研究院 一种含铍多金属尾矿资源化无害化利用方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101439314B (zh) * 2008-12-29 2013-01-16 江西稀有稀土金属钨业集团有限公司 一种富集镍和/或钴的红土镍矿选矿工艺
CN102259050A (zh) * 2010-08-23 2011-11-30 鞍钢集团矿业公司 反浮选作业中矿处理新工艺
CN102240588B (zh) * 2011-05-19 2013-12-18 成都利君实业股份有限公司 一种磁铁矿干磨干选方法
CN102851489B (zh) * 2012-08-30 2014-03-26 北京矿冶研究总院 综合回收褐铁型红土镍矿中有价金属的方法
CN102921539B (zh) * 2012-11-07 2013-10-30 牛庆君 从蛇纹石石棉岩型石棉尾矿中回收利用钴的方法
CN102921538B (zh) * 2012-11-07 2013-11-06 牛庆君 从蛇纹石石棉岩型石棉尾矿中回收利用镍的方法
CN103191829B (zh) * 2013-04-08 2014-07-30 杨佳定 筛分-重选联合的选矿方法
CN107737666A (zh) * 2017-11-16 2018-02-27 湖南江冶机电科技股份有限公司 一种混合颗料物料的水流气泡分选方法和系统
CN108176592A (zh) * 2018-01-25 2018-06-19 青岛亚诺机械工程有限公司 一种新型水稻种子的加工方法及其生产线
CN111389582B (zh) * 2020-03-26 2022-03-01 中国恩菲工程技术有限公司 一种从红土镍矿中分选铬铁矿的方法

Citations (7)

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US3925533A (en) * 1973-10-29 1975-12-09 Sherritt Gordon Mines Ltd Process for treating nickeliferous laterite ore containing limonite and serpentine fractions
US3991159A (en) * 1975-01-09 1976-11-09 Amax Inc. High temperature neutralization of laterite leach slurry
US6053327A (en) * 1997-08-06 2000-04-25 Societe Le Nickel-Sln Process for enriching nickel-bearing oxide ores
RU2234546C1 (ru) * 2003-01-17 2004-08-20 Открытое акционерное общество "Уфалейникель" Способ подготовки шихты к плавке для производства штейна из окисленных никелевых руд
CN101073790A (zh) * 2006-12-22 2007-11-21 昆明贵金属研究所 不同类型红土镍矿的还原－磨选处理方法
CN101270417A (zh) * 2008-04-30 2008-09-24 江西稀有稀土金属钨业集团有限公司 一种提取镍和/或钴的方法
CN101439314A (zh) * 2008-12-29 2009-05-27 江西稀有稀土金属钨业集团有限公司 一种富集镍和/或钴的红土镍矿选矿工艺

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925533A (en) * 1973-10-29 1975-12-09 Sherritt Gordon Mines Ltd Process for treating nickeliferous laterite ore containing limonite and serpentine fractions
US3991159A (en) * 1975-01-09 1976-11-09 Amax Inc. High temperature neutralization of laterite leach slurry
US6053327A (en) * 1997-08-06 2000-04-25 Societe Le Nickel-Sln Process for enriching nickel-bearing oxide ores
RU2234546C1 (ru) * 2003-01-17 2004-08-20 Открытое акционерное общество "Уфалейникель" Способ подготовки шихты к плавке для производства штейна из окисленных никелевых руд
CN101073790A (zh) * 2006-12-22 2007-11-21 昆明贵金属研究所 不同类型红土镍矿的还原－磨选处理方法
CN101270417A (zh) * 2008-04-30 2008-09-24 江西稀有稀土金属钨业集团有限公司 一种提取镍和/或钴的方法
CN101439314A (zh) * 2008-12-29 2009-05-27 江西稀有稀土金属钨业集团有限公司 一种富集镍和/或钴的红土镍矿选矿工艺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009242827B2 (en) * 2008-04-30 2014-05-08 Jiangxi Rare Earth And Rare Metals Tungsten Group Corporation A method of extracting Ni and/or Co
CN114950711A (zh) * 2022-05-19 2022-08-30 中化地质矿山总局地质研究院 一种含铍多金属尾矿资源化无害化利用方法
CN114950711B (zh) * 2022-05-19 2024-01-23 中化地质矿山总局地质研究院 一种含铍多金属尾矿资源化无害化利用方法

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CN101439314A (zh) 2009-05-27
CN101439314B (zh) 2013-01-16

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