CN102716806B - Method for simultaneously removing magnesium oxide, ferric oxide and aluminum oxide sesquioxide in middle-grade and low-grade phosphate ores by adopting double-reverse flotation process - Google Patents

Method for simultaneously removing magnesium oxide, ferric oxide and aluminum oxide sesquioxide in middle-grade and low-grade phosphate ores by adopting double-reverse flotation process Download PDF

Info

Publication number
CN102716806B
CN102716806B CN 201210196861 CN201210196861A CN102716806B CN 102716806 B CN102716806 B CN 102716806B CN 201210196861 CN201210196861 CN 201210196861 CN 201210196861 A CN201210196861 A CN 201210196861A CN 102716806 B CN102716806 B CN 102716806B
Authority
CN
China
Prior art keywords
acid
concentration
oxide
mass ratio
mixed
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.)
Active
Application number
CN 201210196861
Other languages
Chinese (zh)
Other versions
CN102716806A (en
Inventor
曾润国
魏家贵
杨兴
刘泽祥
周永祥
刘甍
赵家荣
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.)
Kunming Chuan Jinnuo Chemical Industry Co ltd
Original Assignee
Kunming Chuan Jinnuo Chemical Industry 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 Kunming Chuan Jinnuo Chemical Industry Co ltd filed Critical Kunming Chuan Jinnuo Chemical Industry Co ltd
Priority to CN 201210196861 priority Critical patent/CN102716806B/en
Publication of CN102716806A publication Critical patent/CN102716806A/en
Application granted granted Critical
Publication of CN102716806B publication Critical patent/CN102716806B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Manufacture And Refinement Of Metals (AREA)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

The invention relates to a method for simultaneously removing magnesium oxide, ferric oxide and aluminum oxide sesquioxide in middle-grade and low-grade phosphate ores by adopting a double-reverse floatation process. The method adopts the double-reverse floatation process to remove MgO, Fe2O3 and Al2O3 so as to realize continuous production of an industrialization device. The method comprises the following process steps of: levigating raw phosphate ore, wherein more than or equal to 85 percent of raw phosphate ore is minus 200 messes in size, and the solid content of ore pulp is 20-45 percent; adding a No.1 mixed inhibitor in the ore pulp, introducing the regulated ore pulp into a floatation machine, adding a collecting agent CB-1, aerating, and collating, so as to obtain magnesium removal phosphate concentrate; adding a No.2 mixed inhibitor in the magnesium-removal phosphate concentrate, adding a collecting agent CB-2, aerating, and collating, so as to obtain crude phosphate concentrate without ferric oxide and aluminum oxide; and adding a collecting agent CB-3 into the crude phosphate concentrate without ferric oxide and aluminum oxide, aerating, and collating, so as to obtain high-grade phosphate concentrate. The method can simultaneously remove the content of magnesium oxide, ferric oxide and aluminum oxide from the concentrate, thus obviously improving the quality of the phosphate concentrate and lowering the production cost in follow-up acid making process.

Description

A kind of pair of reverse floatation process removes the method for magnesia in mid low grade phosphate rock, iron oxide and aluminium oxide sesquichloride simultaneously
Technical field
The present invention relates to a kind of MgO in mid-low grade collophanite ore, Fe of removing simultaneously 2O 3And Al 2O 3Two reverse floatation process method and technologies field.
Background technology
Because China's high-quality phosphate rock resource is petered out, mid low grade phosphate rock MgO, Fe 2O 3And Al 2O 3) impurity content is high, can not satisfy production requirement, need to carry out ore dressing and process.And the flotation of rock phosphate in powder at present adopts reverse flotation to remove the method for MgO more, can't remove wherein iron oxide and aluminium oxide; The collecting agent consumption is large if adopt direct floatation process, needs 2～4Kg/T, and beneficiation cost is higher.And adopt the patent of the industrialized unit of two reverse floatation process to have no report.
Summary of the invention
Purpose of the present invention provides a kind of and can remove simultaneously MgO, Fe in order to overcome defective that above-mentioned prior art exists and deficiency just 2O 3And Al 2O 3Two reverse flotation methods.
The objective of the invention is to be achieved through the following technical solutions.
(1) described phosphorus ore is the colloid phosphorus ore, and its MgO quality percentage composition is 3%～6%, Fe 2O 3And Al 2O 3The quality percentage composition be 3%～6%, P 2O 5The quality percentage composition is 22～26%;
(2) with the rock phosphate in powder raw ore levigate be-200 orders 〉=85%, the ore pulp solid content is 20%～45%;
(3) add the 1# mixed inhibitor in ore pulp, fully stir, adjusting pulp PH value is 4.0～5.0;
Described 1# mixed inhibitor be concentration 5-15% fluosilicic acid, concentration be 50% sulfuric acid in mass ratio example be the mixed acid of 1:1:1 for the mixed acid of 1:1 or concentration 5-15% fluosilicic acid, concentration 50% sulfuric acid, concentration 20% phosphoric acid are routine in mass ratio;
(4) ore pulp of adjusting is introduced flotation device, add simultaneously collecting agent CB-1, CB-1 is the mixture (mass ratio 1:1:1) of enuatrol, linoleic acid sodium, odium stearate, and its consumption is 400～600g/T, namely gets de-magging phosphorus concentrate after inflating, scraping bubble;
(5) add the 2# mixed inhibitor in the de-magging phosphorus concentrate that obtains, adjusting ore pulp PH is 4.5～5.8;
Described 2# mixed inhibitor be 5-15% fluosilicic acid, concentration 50% sulfuric acid in mass ratio example be the mixed acid of 0.5:1:1 for the mixed acid of 0.5:1 or concentration 5-15% fluosilicic acid, concentration 50% sulfuric acid, concentration 20% phosphoric acid are routine in mass ratio;
(6) add collecting agent CB-2, its consumption is 300～450g/T, CB-2 is the mixture (mass ratio 2:1:4) of oleic acid amine, lauryl amine, alkyl the first amine, through inflation, scrape namely get after bubble remove iron oxide and aluminium oxide sesquichloride roughly select the phosphorus concentrate;
(7) to add collecting agent CB-3, CB-3 in the phosphorus concentrate be the mixture (3:2) of oleic acid amine, ether amine to removing roughly selecting of iron oxide and aluminium oxide, and its consumption is 150～300g/T, through inflation, namely gets high-quality phosphorus concentrate after scraping bubble.
The invention has the beneficial effects as follows, use the inventive method, can remove simultaneously MgO in phosphorus ore, Fe 2O 3And Al 2O 3Content significantly improves phosphorus concentrate quality, the production cost in the time of can reducing follow-up relieving haperacidity process.
Below in conjunction with the drawings and specific embodiments, the present invention is further explained.
Description of drawings
Fig. 1 is schematic flow sheet of the present invention.
The specific embodiment
Embodiment one
A kind of pair of reverse floatation process removes the method for magnesia in mid low grade phosphate rock, iron oxide and aluminium oxide sesquichloride simultaneously, sees Fig. 1, carries out in the steps below operational processes:
To contain P 2O 5Mass percent is that 23～25%, MgO mass percent is for being 3～4%, Fe 2O 3And Al 2O 3Mass percent is that 4～5% phosphorus ore is ground to-200 orders 85～90%, and solid content is 20～25% ore pulp;
Add the 1# mixed inhibitor, fully stir, adjusting pulp PH value is 4.0～4.5; The 1# mixed inhibitor is that concentration 5-15% fluosilicic acid and concentration 50% sulfuric acid are the mixed acid of 1:1 in mass ratio;
The ore pulp of adjusting is introduced flotation device, add simultaneously collecting agent CB-1, CB-1 is enuatrol, linoleic acid sodium, the odium stearate mixture of routine 1:1:1 in mass ratio, and its consumption is 400g/T, namely gets de-magging phosphorus concentrate after inflating, scraping bubble;
Add the 2# mixed inhibitor in the de-magging phosphorus concentrate that obtains, adjusting ore pulp PH is 4.5～5.5; The 2# mixed inhibitor is the mixed acid (mass ratio is 0.5:1:1) of concentration 5-15% fluosilicic acid, concentration 50% sulfuric acid, concentration 20% phosphoric acid;
Add collecting agent CB-2, its consumption is 300g/T, through inflation, scrapes namely to get after bubble and takes off Fe 2O 3And Al 2O 3Roughly select the phosphorus concentrate; To taking off Fe 2O 3And Al 2O 3Roughly select and add collecting agent CB-3(oleic acid amine in the phosphorus concentrate: ether amine is the mixture of 3:2 in mass ratio), its consumption is 150g/T, through inflation, scrapes bubble and finishes.Namely obtain P 2O 5Be that 28～29%, MgO content is 0.6～1.0%, Fe 2O 3And Al 2O 3Content is 1.5～2.0% phosphorus concentrate, and the phosphorous recovery of phosphorus concentrate reaches 90～94%.
Embodiment two
A kind of pair of reverse floatation process removes the method for magnesia in mid low grade phosphate rock, iron oxide and aluminium oxide sesquichloride simultaneously, carries out in the steps below operational processes:
To contain P 2O 5Mass percent is that 22～24%, MgO mass percent is 5～6%, Fe 2O 3And Al 2O 3Mass percent is that 3～5% phosphorus ore is ground to-200 orders 90～95%, and solid content is 30～35% ore pulp.
Add the 1# mixed inhibitor, fully stir, adjusting pulp PH value is 4.5～5.0;
The 1# mixed inhibitor is the mixed acid (mass ratio is 1:1) of concentration 5-15% fluosilicic acid and concentration 50% sulfuric acid;
The ore pulp of adjusting is introduced flotation device, add simultaneously collecting agent CB-1, CB-1 is the mixture (mass ratio 1:1:1) of enuatrol, linoleic acid sodium, odium stearate, and its consumption is 500g/T, namely gets de-magging phosphorus concentrate after inflating, scraping bubble;
Add the 2# mixed inhibitor in the de-magging phosphorus concentrate that obtains, adjusting ore pulp PH is 5.0～5.8; The 2# mixed inhibitor be concentration 5-15% fluosilicic acid, concentration 50% sulfuric acid, concentration 20% phosphoric acid mixed acid (mass ratio is 0.5:1:1);
Add the CB-2 collecting agent, CB-2 be oleic acid amine, lauryl amine, alkyl the first amine in mass ratio example be the mixture of 2:1:4, its consumption is 400g/T, through inflating, scrapes namely to get after bubble and takes off Fe 2O 3And Al 2O 3Roughly select the phosphorus concentrate;
To taking off Fe 2O 3And Al 2O 3Roughly select and add collecting agent CB-3 in the phosphorus concentrate, CB-3 be oleic acid amine, ether amine in mass ratio example be the mixture of 3:2, its consumption is 200g/T, through inflation, scrapes the bubble end.Namely obtain P 2O 5Be that 28.5～30%, MgO content is 0.8～1.3%, Fe 2O 3And Al 2O 3Content is 1.2～1.8% phosphorus concentrate, and the phosphorous recovery of phosphorus concentrate reaches 86～89%.
Embodiment three
A kind of pair of reverse floatation process removes the method for magnesia in mid low grade phosphate rock, iron oxide and aluminium oxide sesquichloride simultaneously, carries out in the steps below operational processes:
To contain P 2O 5Mass percent is that 23～26%, MgO mass percent is 4～5%, Fe 2O 3And Al 2O 3Mass percent is that 5～6% phosphorus ore is ground to-200 orders 90～95%, and solid content is 25～30% ore pulp.
Add the 1# mixed inhibitor, fully stir, adjusting pulp PH value is 4.0～4.8; The 1# mixed inhibitor is that concentration 5-15% fluosilicic acid and concentration 50% sulfuric acid are the mixed acid of 1:1 in mass ratio;
The ore pulp of adjusting is introduced flotation device, add simultaneously collecting agent CB-1, CB-1 is enuatrol, linoleic acid sodium, the odium stearate mixture of routine 1:1:1 in mass ratio, and its consumption is 600g/T, namely gets de-magging phosphorus concentrate after inflating, scraping bubble;
Add the 2# mixed inhibitor in the de-magging phosphorus concentrate that obtains, adjusting ore pulp PH is 4.5～5.8; The 2# mixed inhibitor be concentration 5-15% fluosilicic acid, concentration 50% sulfuric acid in mass ratio example be the mixed acid of 0.5:1;
Add collecting agent CB-2, CB-2 be oleic acid amine, lauryl amine, alkyl the first amine in mass ratio example be the mixture of 2:1:4, its consumption is 450g/T, through inflating, scrapes namely to get after bubble and takes off Fe 2O 3And Al 2O 3Roughly select the phosphorus concentrate;
To taking off Fe 2O 3And Al 2O 3Roughly select and add collecting agent CB-3 in the phosphorus concentrate, CB-3 be oleic acid amine, ether amine in mass ratio example be the mixture of 3:2, its consumption is 250g/T, through inflation, scrapes the bubble end.Namely obtain P 2O 5Be that 29～31%, MgO content is 1.0～1.5%, Fe 2O 3And Al 2O 3Content is 1.4～2.0% phosphorus concentrate, and the phosphorous recovery of phosphorus concentrate reaches 89～93%.
Embodiment four
A kind of pair of reverse floatation process removes the method for magnesia in mid low grade phosphate rock, iron oxide and aluminium oxide sesquichloride simultaneously, carries out in the steps below operational processes:
To contain P 2O 5Mass percent is that 22～25%, MgO mass percent is 3～5%, Fe 2O 3And Al 2O 3Mass percent is that 3～4% phosphorus ore is ground to-200 orders 85～95%, and solid content is 35～45% ore pulp.
Add the 1# mixed inhibitor, fully stir, adjusting pulp PH value is 4.5～5.0; The 1# mixed inhibitor is that concentration 5-15% fluosilicic acid and concentration 50% sulfuric acid are the mixed acid of 1:1 in mass ratio;
The ore pulp of adjusting is introduced flotation device, add simultaneously collecting agent CB-1, CB-1 is enuatrol, linoleic acid sodium, the odium stearate mixture of routine 1:1:1 in mass ratio, and its consumption is 450g/T, namely gets de-magging phosphorus concentrate after inflating, scraping bubble;
Add the 2# mixed inhibitor in the de-magging phosphorus concentrate that obtains, adjusting ore pulp PH is 4.5～5.8; The 2# mixed inhibitor is that concentration 15% fluosilicic acid, concentration 50% sulfuric acid, concentration 20% phosphoric acid are the mixed acid of 1:1:1 in mass ratio;
Add collecting agent CB-2, CB-2 be oleic acid amine, lauryl amine, alkyl the first amine in mass ratio example be the mixture of 2:1:4, its consumption is 350g/T, through inflating, scrapes namely to get after bubble and takes off Fe 2O 3And Al 2O 3Roughly select the phosphorus concentrate;
To taking off Fe 2O 3And Al 2O 3Roughly select and add collecting agent CB-3 in the phosphorus concentrate, CB-3 be oleic acid amine, ether amine in mass ratio example be the mixture of 3:2, its consumption is 200g/T, through inflation, scrapes the bubble end.Namely obtain P 2O 5Be that 29～30.5%, MgO content is 0.8～1.5%, Fe 2O 3And Al 2O 3Content is 1.0～1.5% phosphorus concentrate, and the phosphorous recovery of phosphorus concentrate reaches 88～93%.

Claims (1)

1. two reverse floatation process remove the method for magnesia in mid low grade phosphate rock, iron oxide and aluminium oxide sesquichloride simultaneously, it is characterized in that: adopt two reverse floatation process to remove simultaneously MgO, Fe 2O 3, Al 2O 3, realize that industrialized unit produces continuously; Its processing step is:
⑴ described phosphorus ore is the colloid phosphorus ore, and its MgO quality percentage composition is 3%～6%, Fe 2O 3And Al 2O 3The percentage composition of quality is 3%～6%, P 2O 5The quality percentage composition is 22～26%;
With the rock phosphate in powder raw ore levigate be-200 orders 〉=85%, the ore pulp solid content is 20%～45%;
⑶ add the 1# mixed inhibitor in ore pulp, fully stir, and adjusting slurry pH is 4.0～5.0; Described 1# mixed inhibitor be concentration be 5-15% fluosilicic acid, concentration be 50% sulfuric acid in mass ratio example be the mixed acid of 1:1:1 for the mixed acid of 1:1 or concentration 5-15% fluosilicic acid, concentration 50% sulfuric acid, concentration 20% phosphoric acid are routine in mass ratio;
⑷ introduce flotation device with the ore pulp of adjusting, and adds simultaneously collecting agent CB-1, and CB-1 is enuatrol, linoleic acid sodium, the odium stearate mixture of routine 1:1:1 in mass ratio, and its consumption is 400～600g/T, namely gets de-magging phosphorus concentrate after inflating, scraping bubble;
⑸ add the 2# mixed inhibitor in the de-magging phosphorus concentrate that obtains, adjusting pH values of pulp is 4.5～5.8; Described 2# mixed inhibitor be concentration 5-15% fluosilicic acid, concentration 50% sulfuric acid in mass ratio example be the mixed acid of 0.5:1:1 for the mixed acid of 0.5:1 or concentration 5-15% fluosilicic acid, concentration 50% sulfuric acid, concentration 20% phosphoric acid are routine in mass ratio;
⑹ add collecting agent CB-2, CB-2 be oleic acid amine, lauryl amine, alkyl the first amine in mass ratio example be the mixture of 2:1:4, its consumption is 300～450g/T, through inflating, scrape namely get after bubble remove iron oxide and aluminium oxide roughly select the phosphorus concentrate;
To remove roughly selecting of iron oxide and aluminium oxide add in the phosphorus concentrate collecting agent CB-3, CB-3 be oleic acid amine, ether amine in mass ratio example be the mixture of 3:2, its consumption is 150～300g/T, namely gets high-quality phosphorus concentrate after inflate, scraping bubble.
CN 201210196861 2012-06-14 2012-06-14 Method for simultaneously removing magnesium oxide, ferric oxide and aluminum oxide sesquioxide in middle-grade and low-grade phosphate ores by adopting double-reverse flotation process Active CN102716806B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201210196861 CN102716806B (en) 2012-06-14 2012-06-14 Method for simultaneously removing magnesium oxide, ferric oxide and aluminum oxide sesquioxide in middle-grade and low-grade phosphate ores by adopting double-reverse flotation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201210196861 CN102716806B (en) 2012-06-14 2012-06-14 Method for simultaneously removing magnesium oxide, ferric oxide and aluminum oxide sesquioxide in middle-grade and low-grade phosphate ores by adopting double-reverse flotation process

Publications (2)

Publication Number Publication Date
CN102716806A CN102716806A (en) 2012-10-10
CN102716806B true CN102716806B (en) 2013-11-06

Family

ID=46942751

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201210196861 Active CN102716806B (en) 2012-06-14 2012-06-14 Method for simultaneously removing magnesium oxide, ferric oxide and aluminum oxide sesquioxide in middle-grade and low-grade phosphate ores by adopting double-reverse flotation process

Country Status (1)

Country Link
CN (1) CN102716806B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103990548A (en) * 2014-05-29 2014-08-20 西安建筑科技大学 Method for flotation and enrichment of magnesium oxide mineral
CN104801418B (en) * 2015-05-11 2017-11-14 中蓝连海设计研究院 A kind of coarse grain reverse flotation de-magging method for phosphorus ore
CN104888968B (en) * 2015-07-03 2017-07-11 武汉工程大学 Preparation method of amphoteric collector for reverse flotation of phosphorite
CN105251621B (en) * 2015-10-19 2018-03-30 湖北富邦科技股份有限公司 A kind of method of reverse flotation zinc silicate
CN106269275B (en) * 2016-10-09 2018-09-28 广东省矿产应用研究所 Ornity ore flotation collector for removing iron and whitening and application thereof
CN108273657A (en) * 2018-03-12 2018-07-13 湖北省兴发磷化工研究院有限公司 A kind of floating combined sorting method of rock phosphate in powder magnetic-
CN110293006B (en) * 2019-07-19 2021-08-10 宜都兴发化工有限公司 Beneficiation method for reducing sesquioxide in collophanite
CN112007759B (en) * 2019-07-23 2022-05-27 中蓝连海设计研究院有限公司 Double-reverse middling direct flotation method for treating low-magnesium high-iron aluminum silicon calcium collophanite
CN111036413B (en) * 2019-11-27 2021-01-26 东北大学 Application of inhibitor AA/AMPS in positive flotation and magnesium removal of phosphate ore
CN110918265B (en) * 2019-12-10 2021-09-28 福州大学 Method for preparing high-quality phosphate concentrate

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364824A (en) * 1981-06-02 1982-12-21 International Minerals & Chemical Corp. Flotation of phosphate ores containing dolomite
US4377472A (en) * 1976-08-03 1983-03-22 W. R. Grace & Co. Phosphate flotation
CN1806931A (en) * 2006-01-27 2006-07-26 湖北宜化大江复合肥有限公司 Mineral dressing method of mid-low grade collophane
CN101905190A (en) * 2010-07-05 2010-12-08 北京矿冶研究总院 Collophanite beneficiation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4377472A (en) * 1976-08-03 1983-03-22 W. R. Grace & Co. Phosphate flotation
US4364824A (en) * 1981-06-02 1982-12-21 International Minerals & Chemical Corp. Flotation of phosphate ores containing dolomite
CN1806931A (en) * 2006-01-27 2006-07-26 湖北宜化大江复合肥有限公司 Mineral dressing method of mid-low grade collophane
CN101905190A (en) * 2010-07-05 2010-12-08 北京矿冶研究总院 Collophanite beneficiation method

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
《湖北某中低品位硅质磷矿工艺矿物学研究》;田兴等;《武汉工程大学学报》;20120315;第34卷(第3期);第45-50页 *
《硅质胶磷矿中铁、铝杂质脱除试验研究》;谢国先等;《武汉工程大学学报》;20110215;第33卷(第2期);第38-40,45页 *
《磷矿石细度对浮选倍半氧化物的影响》;侯俊杰等;《广州化工》;20120408;第40卷(第7期);第74,75,82页 *
侯俊杰等.《磷矿石细度对浮选倍半氧化物的影响》.《广州化工》.2012,第40卷(第7期),
田兴等.《湖北某中低品位硅质磷矿工艺矿物学研究》.《武汉工程大学学报》.2012,第34卷(第3期),
谢国先等.《硅质胶磷矿中铁、铝杂质脱除试验研究》.《武汉工程大学学报》.2011,第33卷(第2期),

Also Published As

Publication number Publication date
CN102716806A (en) 2012-10-10

Similar Documents

Publication Publication Date Title
CN102716806B (en) Method for simultaneously removing magnesium oxide, ferric oxide and aluminum oxide sesquioxide in middle-grade and low-grade phosphate ores by adopting double-reverse flotation process
CN103706485B (en) A kind of beneficiation method of high carbon acid calcium type fluorite ore
CN101912814B (en) Method for magnetic separation of iron ore concentrate in red mud slurry in alumina production flow by Bayer process
CN101234366A (en) Reverse flotation iron increase and silicon removing method for refractory limonite
CN103831170B (en) Floatation method for silica-calcium collophane with difficult separation
CN104399592B (en) Fluorite floatation process
CN109261366A (en) A kind of combination medicament and its application method removing calcite in advance for high calcium fluorite reverse flotation
CN110369152B (en) Flotation process for micro-fine particle phosphorite
CN102992284A (en) High-magnesium phosphorite de-magging method with by-product magnesium ammonium phosphate
CN103073034B (en) Method for removing magnesium from ultralow-quality phosphate rock and producing magnesium hydroxide
CN101264466B (en) High phosphorus and sulphur siderite full flotation mineral separation method
CN106744753A (en) A kind of method of phosphorus ore stagewise de-magging
CN108672092A (en) The process for effectively purifying of the low grade shepardite of high-silicon high calcium high ferro
CN105435968A (en) Reverse-flotation desiliconizing method for hematite ore
CN106179731B (en) The method of sesquichloride and magnesium in the single reverse flotation coupling abjection phosphorus ore of high-gradient magnetic separation
CN110961244A (en) Method for pre-enriching vanadium-containing minerals in medium-fine scale graphite ores
CN103920596A (en) Collophanite combination flotation collector and preparation method and application thereof
CN104775027A (en) Method for recovering nickel, iron, silicon and magnesium from low grade laterite-nickel ore
CN103464289B (en) A kind of method that low-grade phosphate ore mesosilicic acid slaine is deviate from
CN105921259A (en) Method for producing feed grade monocalcium phosphate through medium and low grade mixed phosphate ore
CN102168174B (en) Method for dephosphorizing high-phosphorus hematite
CN112007759B (en) Double-reverse middling direct flotation method for treating low-magnesium high-iron aluminum silicon calcium collophanite
CN111036413B (en) Application of inhibitor AA/AMPS in positive flotation and magnesium removal of phosphate ore
CN103223378A (en) Beneficiation method for hydrothermal alteration bistagite-type platinum ore
CN105858628B (en) A kind of method for improving mid low grade phosphate rock extraction yield

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant