CN102600989A - High-efficiency floatation method for beryllium ore - Google Patents
High-efficiency floatation method for beryllium ore Download PDFInfo
- Publication number
- CN102600989A CN102600989A CN2012100663439A CN201210066343A CN102600989A CN 102600989 A CN102600989 A CN 102600989A CN 2012100663439 A CN2012100663439 A CN 2012100663439A CN 201210066343 A CN201210066343 A CN 201210066343A CN 102600989 A CN102600989 A CN 102600989A
- Authority
- CN
- China
- Prior art keywords
- beryllium
- floatation
- flotation
- roughly
- reverse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a high-efficiency floatation method for beryllium ore. In the high-efficiency floatation method, a process flow of reverse beryllium floatation-direct beryllium floatation-re-reverse beryllium floatation is adopted to conduct mineral processing on the beryllium ore containing fluorite; firstly, the reverse beryllium floatation is used for floatation of gangue with better floatability to remove most of harmful element F and major impurity mineral (calcite) to improve the feeding quality of the direct beryllium floatation; secondly, the direct beryllium floatation is used for floatation of beryllium mineral to allow the beryllium mineral to be separated from the gangue difficult to float; and at last, the re-reverse beryllium floatation is used to remove little gangue from rough beryllium concentrate and ensure that F content in the beryllium concentrate meet the requirement of industrial production. The process flow of the floatation method fully conforms to the characteristic of floatability of various minerals; a flow structure and a reagent system are simple; the adaptability to water temperature and water quality is high; the production operation is easy to control; the index of mineral processing is good; and the resource utilization rate is high.
Description
Technical field
The present invention relates to a kind of method for floating of ore, particularly a kind of method that contains the efficient floatation recovery of berryllium mineral that is applicable to is recycled in the ore dressing that is specifically related to a kind of rare metal beryllium.
Background technology
Beryllium to have that density is low, fusing point is high, hot property is excellent, rigidity is big, dimensional stability is good, the neutron absorption cross-section is little etc. many good and particular performances, so it usually is widely used in fields such as Aeronautics and Astronautics, atomic energy, Electrical and Electronics with the form of metallic beryllium, beryllium alloy and beryllium oxide.The berryllium mineral that has value in the beryllium mainly contains beryl, phenacite and bertrandite, and next has silicon barium bromellite, chrysoberyl, helvine etc.The industrial process of from beryllium, extracting beryllium oxide has fluoride process, sulfuric acid process and sulfuric acid extraction; Wherein sulfuric acid process is the main method of producing beryllium oxide at present; The BeO of this method requirement ore is of high grade, harmful element F content is few (mass ratio of BeO and F was greater than 6: 1), otherwise the rate of recovery of beryllium is lower.So be necessary to carry out the ore dressing processing to reach the industrial requirement of beryllium oxide to containing the high beryllium of F.
Ore dressing to beryllium is handled, and mainly is that beryl is carried out acid system or alkaline process flotation at present, and flotation can be with low-grade beryllium enrichment to being fit to industrial application requirements.And the ore dressing that contains the fluorite beryllium of hydrothermal solution pneumatolytic is handled, still there is not ripe beneficiation method both at home and abroad.Along with the develop rapidly of hi-tech industry, beryllium resource scarcity problem is serious day by day in recent years, and the beryllium of the difficult choosing of therefore efficient ore dressing dealing with complicated seems more important.Often contain mineral such as calcite, fluorite, feldspar, quartz, mica, beryl, phenacite in the beryllium of hydrothermal solution pneumatolytic; Wherein beryl and phenacite are the main berryllium mineral that contains; The BeO of the type ore and F content are higher; Floatability gangue mineral content such as mica, calcite, fluorite preferably is more, contains berryllium mineral and is difficult to ore dressing with gangue mineral and separates.Therefore; Research and development contain the ore dressing recovery technology of fluorite beryllium (beryl and phenacite); Make the BeO grade of ore and the industrial requirements that F content satisfies the Production By Sulfuric Acid Process beryllium oxide, utilize the beryllium resource to greatest extent simultaneously, have important economic value and social effect.Based on above-mentioned purpose, special proposition the present invention.
Summary of the invention
Technical problem to be solved by this invention provides a kind of BeO grade and the F content that reduces beryllium that improves beryllium, recycles the method for floating of beryllium resource simultaneously to greatest extent.
In order to solve the problems of the technologies described above, the efficient method for floating of beryllium provided by the invention, through beryllium reverse flotation-beryllium direct flotation-beryllium again the technological process of reverse flotation handle and contain the fluorite beryllium, comprise the following steps:
A, ore is carried out ore grinding, mog accounts for 75%～90% for-200 orders, and levigate ore gets into the beryllium reverse flotation and roughly selects, and the froth pulp of roughly selecting is mine tailing 1 through repeatedly scanning the back, and mine tailing 1 abandons, and the bottom land product of scanning returns the previous stage flotation in proper order; The bottom land product of roughly selecting is the beryllium rough concentrate through selected back, and selected froth pulp returns the previous stage flotation in proper order; Described beryllium reverse flotation is roughly selected and selected employing K collecting agent, and the K collector dosage is 600～1000g/t;
The beryllium rough concentrate of b, beryllium reverse flotation gets into the beryllium direct flotation and roughly selects, and the froth pulp of roughly selecting is the beryllium rough concentrate; The bottom land product of roughly selecting is scanned the back and is mine tailing 2, and mine tailing 2 abandons, and the froth pulp of scanning returns the previous stage flotation in proper order; Described beryllium direct flotation is roughly selected and is scanned and uses first floatation regulator and K collecting agent, and first floatation regulator is conventional floatation regulator, and its consumption is 800～1200g/t, and the K collector dosage is 500～800g/t;
The beryllium rough concentrate entering beryllium of c, beryllium direct flotation reverse flotation is again roughly selected, and the froth pulp of roughly selecting is scanned the back and is low-grade beryllium concentrate, and the bottom land product of scanning returns the previous stage flotation in proper order; The bottom land product of roughly selecting is the high-grade beryllium concentrate; Described beryllium reverse flotation is again roughly selected and is scanned and all uses second floatation regulator, and second floatation regulator is a waterglass, and its consumption is 300～500g/t.
Said ore essential mineral consists of calcite 35～55%, quartz 10～20%, beryl 6～15%, fluorite 5～12%, feldspar 5～10%, phenacite 1～5%, mica 5～10%.
Described beryllium reverse flotation is roughly selected and selected use K collecting agent, and the beryllium direct flotation is roughly selected and scanned and uses conventional floatation regulator and K collecting agent, and use waterglass is roughly selected and scanned to beryllium reverse flotation again, and floating agent is not added in other flotation.
Adopt the technique effect of the efficient method for floating of above-mentioned beryllium to be: through beryllium reverse flotation-beryllium direct flotation-beryllium again the method ore dressing of reverse flotation handle and to contain the fluorite beryllium and can obtain to contain BeO3.3～5.0%, F1.5～3.0%; The low-grade beryllium concentrate of the BeO rate of recovery 10.0～16.0% with contain BeO7.0～9.0%, F0.4～0.8%; The high-grade beryllium concentrate of the BeO rate of recovery 68.0～78.0%, the BeO overall recovery is up to 84.0～94.0%.The quality of high-grade beryllium concentrate product has reached the industrial requirements of Production By Sulfuric Acid Process beryllium oxide fully, and low-grade beryllium concentrate product quality is low slightly, but it still has industrial utilization value after chemical mineral processing is handled.Beryllium reverse flotation-beryllium direct flotation-beryllium again the method for reverse flotation at berryllium mineral (beryl, phenacite) and gangue mineral (fluorite, calcite, mica, feldspar, quartz etc.) fully under the situation of monomer dissociation; At first use beryllium reverse flotation flotation floatability gangue preferably; This both can remove most harmful element F and major impurity composition calcite; That can improve the beryllium direct flotation again gives the ore deposit quality; Help the beryllium direct flotation and obtain mineral processing index preferably, and then use beryllium direct flotation flotation berryllium mineral, berryllium mineral is separated with the difficult floating gangue mineral of few part; Use at last beryllium again reverse flotation remove floatability gangue preferably, guarantee that the F content of final beryllium concentrate reaches industrial requirements.The floatability characteristic of fluorite, calcite, berryllium mineral and other gangue mineral has fully been followed in this technological process, and flowage structure and regime of agent are simple, and strong to the adaptive capacity of water temperature, water quality, production operation is controlled easily, and mineral processing index is good, and resource utilization is high.
Description of drawings
Fig. 1 is technological process of the present invention.
The specific embodiment
Further specify the present invention below in conjunction with instantiation, but can not limit the present invention.
Referring to Fig. 1, the ore essential mineral consists of calcite 35～55%, and quartzy 10～20%; Beryl 6～15%, fluorite 5～12%, feldspar 5～10%; Phenacite 1～5%; Mica 5～10%, through beryllium reverse flotation-beryllium direct flotation-beryllium again the technological process of reverse flotation handle and to contain the fluorite beryllium, comprise the following steps:
A, ore is carried out ore grinding, mog accounts for 75%～90% for-200 orders, and levigate ore gets into the beryllium reverse flotation and roughly selects, and the froth pulp of roughly selecting is mine tailing 1 through repeatedly scanning the back, and mine tailing 1 abandons, and the bottom land product of scanning returns the previous stage flotation in proper order; The bottom land product of roughly selecting is the beryllium rough concentrate through selected back, and selected froth pulp returns the previous stage flotation in proper order; Described beryllium reverse flotation is roughly selected and selected employing K collecting agent, and the K collector dosage is 600～1000g/t;
The beryllium rough concentrate of b, beryllium reverse flotation gets into the beryllium direct flotation and roughly selects, and the froth pulp of roughly selecting is the beryllium rough concentrate; The bottom land product of roughly selecting is scanned the back and is mine tailing 2, and mine tailing 2 abandons, and the froth pulp of scanning returns the previous stage flotation in proper order; Described beryllium direct flotation is roughly selected and is scanned and uses first floatation regulator and K collecting agent, and first floatation regulator is conventional floatation regulator, and its consumption is 800～1200g/t, and the K collector dosage is 500～800g/t;
The beryllium rough concentrate entering beryllium of c, beryllium direct flotation reverse flotation is again roughly selected, and the froth pulp of roughly selecting is scanned the back and is low-grade beryllium concentrate, and the bottom land product of scanning returns the previous stage flotation in proper order; The bottom land product of roughly selecting is the high-grade beryllium concentrate; Described beryllium reverse flotation is again roughly selected and is scanned and all uses second floatation regulator, and second floatation regulator is a waterglass, and its consumption is 300～500g/t.
Embodiment 1:
The efficient method for floating of a kind of beryllium provided by the invention be through beryllium reverse flotation-beryllium direct flotation-beryllium again the technological process of reverse flotation handle and to contain the fluorite beryllium; With the Yunnan beryllium is subjects; This ore contains BeO2.69%, F3.80%, and BeO mainly is present in beryl and the phenacite, and F is present in the fluorite; Fluorite accounts for 7.8% of ore total amount, and gangue mineral is mainly calcite, feldspar, quartz, fluorite, mica etc.Though the BeO content of ore is higher; But because ore contains a large amount of impure minerals and harmful element; So this beryllium only uses chemical acidleach to obtain being fit to the beryllium concentrate of Production By Sulfuric Acid Process beryllium oxide at present, the rate of recovery of its beryllium is lower, production cost is high, environmental pollution is serious.In conjunction with the present invention this is contained the fluorite beryllium and carry out Study of flotation, the test technology flow process is seen Fig. 1, and result of the test is seen table 1.
Table 1 beryllium reverse flotation-beryllium direct flotation-beryllium is the result of the test of reverse floatation process flow process again
Result of the test by table 1 can be known; Through beryllium reverse flotation-beryllium direct flotation-beryllium again the technological invention of reverse flotation can obtain to contain BeO7.74%, contain F0.55%; The high-grade beryllium concentrate of the BeO rate of recovery 75.80% with contain BeO3.53%, contain F1.56%; The low-grade beryllium concentrate of the BeO rate of recovery 13.79%, BeO overall recovery are 89.59%.
Claims (2)
1. the efficient method for floating of a beryllium, through beryllium reverse flotation-beryllium direct flotation-beryllium again the technological process of reverse flotation handle and contain the fluorite beryllium, it is characterized in that: comprise the following steps:
A, ore is carried out ore grinding, mog accounts for 75%～90% for-200 orders, and levigate ore gets into the beryllium reverse flotation and roughly selects, and the froth pulp of roughly selecting is mine tailing 1 through repeatedly scanning the back, and mine tailing 1 abandons, and the bottom land product of scanning returns the previous stage flotation in proper order; The bottom land product of roughly selecting is the beryllium rough concentrate through selected back, and selected froth pulp returns the previous stage flotation in proper order; Described beryllium reverse flotation is roughly selected and selected employing K collecting agent, and the K collector dosage is 600～1000g/t;
The beryllium rough concentrate of b, beryllium reverse flotation gets into the beryllium direct flotation and roughly selects, and the froth pulp of roughly selecting is the beryllium rough concentrate; The bottom land product of roughly selecting is scanned the back and is mine tailing 2, and mine tailing 2 abandons, and the froth pulp of scanning returns the previous stage flotation in proper order; Described beryllium direct flotation is roughly selected and is scanned and uses first floatation regulator and K collecting agent, and first floatation regulator is conventional floatation regulator, and its consumption is 800～1200g/t, and the K collector dosage is 500～800g/t;
The beryllium rough concentrate entering beryllium of c, beryllium direct flotation reverse flotation is again roughly selected, and the froth pulp of roughly selecting is scanned the back and is low-grade beryllium concentrate, and the bottom land product of scanning returns the previous stage flotation in proper order; The bottom land product of roughly selecting is the high-grade beryllium concentrate; Described beryllium reverse flotation is again roughly selected and is scanned and all uses second floatation regulator, and second floatation regulator is a waterglass, and its consumption is 300～500g/t.
2. the efficient method for floating of beryllium according to claim 1, it is characterized in that: said ore essential mineral consists of calcite 35～55%, and quartzy 10～20%; Beryl 6～15%, fluorite 5～12%, feldspar 5～10%; Phenacite 1～5%, mica 5～10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100663439A CN102600989A (en) | 2012-03-14 | 2012-03-14 | High-efficiency floatation method for beryllium ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100663439A CN102600989A (en) | 2012-03-14 | 2012-03-14 | High-efficiency floatation method for beryllium ore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102600989A true CN102600989A (en) | 2012-07-25 |
Family
ID=46518974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100663439A Pending CN102600989A (en) | 2012-03-14 | 2012-03-14 | High-efficiency floatation method for beryllium ore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102600989A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925434A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京化工冶金研究院 | One kind ore dressing defluorination process from beryllium ore deposit |
| CN108311293A (en) * | 2018-04-11 | 2018-07-24 | 武汉工程大学 | A kind of carbonaceous organic matter deposition type low-grade manganese floatation process |
-
2012
- 2012-03-14 CN CN2012100663439A patent/CN102600989A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925434A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京化工冶金研究院 | One kind ore dressing defluorination process from beryllium ore deposit |
| CN108311293A (en) * | 2018-04-11 | 2018-07-24 | 武汉工程大学 | A kind of carbonaceous organic matter deposition type low-grade manganese floatation process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106170343B (en) | A kind of beneficiation method of chalcopyrite | |
| CN101474597B (en) | Floatation separation method for mengite and hamartite in misch metal ore concentrate | |
| CN103706485A (en) | Beneficiation method of high calcium carbonate content type fluorite ore | |
| CN101716559B (en) | Floating and collecting agent of bertrandite beryllium ores and application thereof | |
| CN100537041C (en) | A milling enriched technics for celestine ore | |
| CN105381870B (en) | Beneficiation and enrichment method for molybdenum oxide ore | |
| CN102489407A (en) | Mineral processing method for recycling scheelite/molybdenum oxide ores from molybdenum sulfide flotation tailings | |
| CN103506215B (en) | Beneficiation process for quality improvement and iron removal of feldspar ores | |
| CN101579653A (en) | Benefication method for concentrating fine tungsten ore in tailings by warming scheelite | |
| CN109482356B (en) | Method for flotation of uranium niobium-titanium ore and application of combined collecting agent | |
| CN103611624B (en) | A kind of flotation-acidleach process integration processing low-grade mixed copper ore | |
| CN105214837B (en) | A kind of copper sulphur ore deposit beneficiation method rich in magnetic iron ore and pyrite | |
| CN104826728A (en) | New mineral separation method suitable for separation of hard-separation micro-fine particle magnetic iron ores | |
| CN103157558B (en) | Beneficiation method of recovering sulfur from copper sulfide ore flotation tailings | |
| CN111468302B (en) | Beneficiation inhibitor and purification method of molybdenum rough concentrate | |
| CN112452532A (en) | Comprehensive recovery process of low-grade fine-grain niobium-tantalum ore | |
| CN110882834A (en) | Beneficiation method for efficiently recovering copper from copper smelting slag | |
| CN111068898A (en) | Method for producing bulk concentrate by mineral separation from polymetallic ore | |
| CN102600989A (en) | High-efficiency floatation method for beryllium ore | |
| CN103447147B (en) | Novel low grade hematite ore concentration and water purification process | |
| CN101722109A (en) | Efficient ore dressing method for bertrandite | |
| CN109865587B (en) | Ore grinding and dressing process for large molybdenum ore | |
| CN105689108B (en) | Comprehensive recovery method of lead in cyaniding leaching process of flotation gold concentrate | |
| CN108212541A (en) | Combined capturing and collecting agent and application method in a kind of cupric oxide ore flotation | |
| CN101927212B (en) | Magnetic separation column-anion reverse flotation optimizing beneficiation new process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120725 |