CN109622214A - A kind of albite method for concentrating - Google Patents
A kind of albite method for concentrating Download PDFInfo
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- CN109622214A CN109622214A CN201811579046.8A CN201811579046A CN109622214A CN 109622214 A CN109622214 A CN 109622214A CN 201811579046 A CN201811579046 A CN 201811579046A CN 109622214 A CN109622214 A CN 109622214A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
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- B03D1/02—Froth-flotation processes
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Abstract
The invention discloses a kind of albite method for concentrating, are related to albite processing technique field.The method includes raw ore cleaning, screening, broken, ore grinding, microbiological treatment, flotation and dehydrations；Microorganism is brevibacterium flavum and bacillus licheniformis；Flotation are as follows: water will be added to be tuned into the ore pulp that concentration is 35-45% except the ore in sand form after iron, pH values of pulp will be tuned into 1-2, the medicament of 3-5% is added, stirring scrapes foam-expelling to blistering, dehydration to water content≤15% to get；The medicament includes aloe extract, eucalyptus leaf extract, citric acid and N- dodecyl bi-quaternary ammonium salt.The present invention can effectively remove iron, titanium impurity and biotite in feldspar, and magnesia can also be removed, can produce high whiteness, low iron, low titanium, low clouds mother high-quality albite in powder, and the floating medicament used is environmentally friendly, it is nontoxic and pollution-free, obtained albite in powder whiteness is better than conventional method up to 61 or more.
Description
[technical field]
The present invention relates to albite processing technique field, and in particular to a kind of albite method for concentrating.
[background technique]
Albite is one kind of feldspar, is common spectra, is the aluminosilicate of sodium.Albite is generally glassy
Crystal, it is to manufacture one of glass and the primary raw material of ceramics.In recent years, swift and violent with China's china industry and glass industries
Development, the demand to high-purity albite are continuously increased.Iron mineral, titanium oxide, mica, quartz are the main miscellaneous of albite ore
Matter, wherein iron mineral is mainly magnetic iron ore, limonite and bloodstone, and mica is mainly muscovite and biotite, influences ceramics
Whiteness, dielectric properties, chemical stability etc..
Feldspar iron-removing method is mainly magnetic separation, acidleach and flotation at present, and magnetic separation the high requirements on the equipment, acidleach and flotation are discharged
Object toxic action is big, and environmental pollution is serious, such as document " albite except iron new process study ", Tang Kai etc., " contemporary chemical industry ",
2008,37 (5): 456-458, research, which is thought to impregnate at 90 DEG C using sulfuric acid, can remove most of iron impurities, meanwhile, select oil
Sour sodium, neopelex, AES and AOS continue with for floating agent, can remove iron, but acid solution and floating agent
A large amount of discharges can endanger environment.Also someone carries out ore with microorganism to remove iron, that is, utilizes the microorganism or microorganism that can remove iron
Product removes dissolved ferric iron, and such as document " microbe carry out removing iron by kaolin ", SN Ge Luodifu etc. is " nonmetallic
Mine ", 1985 (4): 46-48, research are dissolved using except iron fungi, bacterium, can remove iron mineral, but inefficient.Extensively
In the iron tramp of western He Prefecture area albite, mainly with magnet mineral content highest, and a large amount of titanyl is also compounded in magnetic iron ore
Compound, titanium oxide are also one of feldspar major impurity.Microbiological treatment can only remove iron mineral in the prior art, cannot remove
Compound titanium oxide in iron mineral, and microorganism de-ironing efficiency is low, therefore, applicant is for miscellaneous in city, south china albite
Matter feature optimizes to remove iron, titanium impurity simultaneously, and for the purpose of raising de-ironing efficiency to doing in strain selection and application method
It improves.
Mica is lower in the content of Minerals And Rocks, but it is larger to the whiteness and qualitative effects of feldspar ore, and mica belongs to
The silicate mineral of layer structure, acid and alkali-resistance, chemical property are stablized, are difficult to be removed.The method of mica removal at this stage is main
Are as follows: mica is captured using beneficiation reagent under certain condition, separates it from feldspar, commonly floating medicament is living for surface
Chemical agents, the most medicaments such as property agent, ionic collecting agent are noxious material, largely use and discharge pollutes the environment.Such as
Chinese patent 201710843849.9 discloses a kind of albite in powder preparation method, cleaned, screening, be crushed by raw ore,
The a series of physical such as ore grinding, magnetic separation and dehydration method removes impurity, obtains the albite that irony is few, whiteness is high, but fail
Except mica, purity is not high；Such as document " feldspar ore removes the research brightened of mica ", Pan great Wei etc., " Chinese pottery ", 2015 (1):
54-57, research think that using quality proportioning is the mixed thing of the lauryl amine of 2:1 and octadecylamine as floating agent, removes feldspar
Mica in mine, but lauryl amine is infectious agent, largely uses and discharge pollutes the environment.It is black in the albite of south china area
Mica content is very high, and content of magnesia is high in biotite, not only influences feldspar whiteness, has an effect on the electric conductivity of feldspar, lead
Cause its conductivity excessively high, and in the prior art without specially removing biotite and method of magnesium oxide, the application is for He Prefecture
Area's albite mica feature, it is intended to find out not only environmental protection but also biotite and method of magnesium oxide can be effectively removed, to improve this area
Albite final product quality.
[summary of the invention]
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of albite method for concentrating, this method energy
Effectively remove iron, titanium impurity and the biotite in feldspar, and the magnesia in biotite can also be removed, can produce high whiteness,
Low iron, low titanium, low clouds mother high-quality albite in powder, and the floating medicament used is environmentally friendly, nontoxic and pollution-free.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of albite method for concentrating, including raw ore cleaning, screening, broken, ore grinding, microbiological treatment, flotation and dehydration,
The microbiological treatment are as follows: obtain ore grinding >=200 mesh fine sands are dehydrated to water content≤15%, bacterium solution is added
15-20h is impregnated, solid-to-liquid ratio 1:100-150 is filtered after immersion, solid matter is taken to be rinsed well with clear water, is dehydrated
To water content≤25%, deferrization titanium ore is obtained；The bacterium solution is the mixing of brevibacterium flavum microbial inoculum and bacillus licheniformis agent
Object, weight proportion 1:5-10；
The flotation are as follows: into deferrization titanium ore plus water is tuned into concentration and is the ore pulp of 35-45%, and pH values of pulp is tuned into 1-
After 2, be added the medicament of the ore pulp quality 3-5%, stirring scrapes foam-expelling to blistering, dehydration to water content≤15% to get；
According to parts by weight, the medicament is mainly by 10-15 parts of aloe extracts, 15-19 parts of eucalyptus leaf extracts, 3-6 parts of citric acids
It is blended with 8-17 parts of N- dodecyl bi-quaternary ammonium salts.
Further, the brevibacterium flavum microbial inoculum the preparation method comprises the following steps: being inoculated with the culture solution weight into culture solution
The brevibacterium flavum activated spawn of 5-9%, under the conditions of 30-35 DEG C, 150-200r/min shaken cultivation 20-30h to get；Institute
State the raw material that culture solution includes following parts by weight: 15-25 parts of corn flour, 20-30 parts of diammonium hydrogen citrate, magnesium sulfate 0.2-
0.5 part, 0.1-0.4 parts of sodium dihydrogen phosphate, 0.1-0.3 parts of sodium dihydrogen phosphate and 1000-1500 parts of water.
Further, the bacillus licheniformis agent the preparation method comprises the following steps: being inoculated with the fermentation liquid weight into fermentation liquid
The bacillus licheniformis activated spawn of amount 3-5%, the shaken cultivation 30-40h under the conditions of 33-37 DEG C, 200-250r/min, i.e.,
?；The fermentation liquid includes the raw material of following parts by weight: 10-15 parts of sucrose, 0.3-0.6 parts of magnesium sulfate, sodium dihydrogen phosphate
0.3-0.7 parts, 0.1-0.4 parts of sodium dihydrogen phosphate, 1-3 parts of calcium carbonate and 1000-1500 parts of water.
Further, the aloe extract the preparation method comprises the following steps: by aloe leaf peeling, grinding, homogeneous, filter, adjust
Filtrate pH is saved after 2-3, to be slowly added to the mass concentration of 3-5 volume times as the ethanol solution of 90-95%, stirring stands 2-3h,
Centrifugation, take precipitating wash 3-5 times with dehydrated alcohol, dry to get.
Further, the eucalyptus leaf extract the preparation method comprises the following steps: fresh eucalyptus leaves is taken to be dried to perseverance at 40-50 DEG C
Weight crushes, and crosses 20-40 mesh, obtains coarse powder, coarse powder is put into distiller together with water and distills 3-4h, collects oily phase, will collect
Obtain oil 1-2h is freezed at -20 DEG C to -15 DEG C, centrifugation, take solids heating and melting to get.
Preferably, according to parts by weight, the medicament is mainly by 13 parts of aloe extracts, 17 parts of eucalyptus leaf extracts, 5 parts
Citric acid and 12 parts of N- dodecyl bi-quaternary ammonium salts are blended.
Compared with prior art, the invention has the following beneficial effects:
1. the present invention can effectively remove iron, titanium impurity and biotite in feldspar, and can also remove the oxidation in biotite
Magnesium, can produce high whiteness, low iron, low titanium, low clouds mother high-quality albite in powder, and the floating medicament used is environmentally friendly,
Nontoxic and pollution-free, obtained albite in powder whiteness is better than conventional method up to 61 or more.
2. in microbiological treatment of the present invention, handled using brevibacterium flavum and bacillus licheniformis as combination, gram
Two kinds of iron, titanium impurity can only be removed simultaneously, and remove iron except iron and the low problem of de-ironing efficiency by having taken traditional microbiological processing
Efficiency is higher than traditional microbiological method for removing iron；Bacillus licheniformis can secrete a variety of organic acids and enzyme, and brevibacterium flavum can secrete
A variety of enzymes, after organic acid dissolves ferriferous oxide, titanium oxide spreads out, and under the action of organic acid, titanium ion is dissolved in
In enzyme, reach removal purpose.Therefore, brevibacterium flavum and bacillus licheniformis synergistic effect, while eliminate the iron in feldspar,
Two kinds of impurity of titanium are better than conventional method；In addition, the enzyme of brevibacterium flavum secretion can promote the organic acid of bacillus licheniformis secretion
To the solvability of iron, accelerate iron mineral separated and dissolved, the two interaction is synergistic, improves de-ironing efficiency.
3. aloe extract of the present invention can not only enhance the adhesion strength between biotite particle and blistering, moreover it is possible to adsorb,
Wrap up magnesium ion；Foaming effect can be improved in eucalyptus leaf extract；N- dodecyl bi-quaternary ammonium salt is non-toxic cation surface-active
Agent, adsorbable biotite particle.After medicament is added when flotation, the citric acid in medicament first dissolves magnesia, magnesium ion separation
Out, magnesium ion is wrapped up by aloe extract and being merged, and the aloe extract of biotite and package magnesium ion is in eucalyptus leaf extract
Under the action of N- dodecyl bi-quaternary ammonium salt, it is attached on bubble and is removed together.Therefore, aloe extract, eucalyptus leaves
Extract, citric acid and N- dodecyl bi-quaternary ammonium salt synergistic effect, not only improve and eliminate biotite, also remove oxidation
Magnesium, overcome traditional method for floating can only single removal biotite defect, and then improve the quality of feldspar.And each medicament is equal
It is nontoxic, it is from a wealth of sources, it is low in cost, it is suitble to promote the use of.
[specific embodiment]
A specific embodiment of the invention is described further with reference to embodiments.
Embodiment 1
A kind of albite method for concentrating of the present embodiment, including raw ore cleans, screening, broken, ore grinding, microbiological treatment, floats
Choosing and dehydration, the microbiological treatment are as follows: the 200 mesh fine sands for obtaining ore grinding be dehydrated to water content be 15% after, be added bacterium solution
15h is impregnated, solid-to-liquid ratio 1:100 is filtered after immersion, solid matter is taken to be rinsed well with clear water, is dehydrated to aqueous
Amount is 25%, obtains deferrization titanium ore；The bacterium solution is the mixture of brevibacterium flavum microbial inoculum and bacillus licheniformis agent, weight
Proportion is 1:5；
The flotation are as follows: into deferrization titanium ore plus water is tuned into the ore pulp that concentration is 35%, and after pH values of pulp is tuned into 1,
Be added the medicament of the ore pulp quality 3%, stirring scrapes foam-expelling to blistering, dehydration to water content be 15% to get；By weight
Number meter, the medicament is mainly by 10 parts of aloe extracts, 15 parts of eucalyptus leaf extracts, 3 parts of citric acids and 8 parts of N- dodecyls
Bi-quaternary ammonium salt is blended.
Curdlan content is 68mg/g in the aloe extract, and eucalyptus oil volumetric concentration is in eucalyptus leaf extract
90%.
The brevibacterium flavum microbial inoculum the preparation method comprises the following steps: being inoculated with the yellow of the culture solution weight 5% into culture solution
Brevibacterium activated spawn, under the conditions of 30 DEG C, 150r/min shaken cultivation 20h to get；The culture solution includes following parts by weight
Several raw material: 15 parts of corn flour, 20 parts of diammonium hydrogen citrate, 0.2 part of magnesium sulfate, 0.1 part of sodium dihydrogen phosphate, sodium dihydrogen phosphate
0.1 part and 1000 parts of water.
The bacillus licheniformis agent the preparation method comprises the following steps: being inoculated with the ground of the fermentation liquid weight 3% into fermentation liquid
Clothing bacillus activated spawn, under the conditions of 33 DEG C, 200r/min shaken cultivation 30h to get；The fermentation liquid includes following heavy
Measure number raw material: 10 parts of sucrose, 0.3 part of magnesium sulfate, 0.3 part of sodium dihydrogen phosphate, 0.1 part of sodium dihydrogen phosphate, 1 part of calcium carbonate and
1000 parts of water.
The aloe extract the preparation method comprises the following steps: by aloe leaf peeling, grinding, homogeneous, filtering, adjust filtrate pH be
After 2, it is slowly added to the ethanol solution that the mass concentration of 3 volumes times is 90%, stirring stands 2h, and centrifugation takes and precipitates anhydrous second
Alcohol wash 3 times, drying to get.
The eucalyptus leaf extract the preparation method comprises the following steps: taking fresh eucalyptus leaves, drying to constant weight at 40 DEG C, crush, cross 20
Mesh obtains coarse powder, and coarse powder is put into distiller together with water and distills 3h, collects oily phase, will collect obtained oil at -20 DEG C
Freeze 1h, centrifugation, take solids heating and melting to get.
Embodiment 2
A kind of albite method for concentrating of the present embodiment, including raw ore cleans, screening, broken, ore grinding, microbiological treatment, floats
Choosing and dehydration, the microbiological treatment are as follows: the 250 mesh fine sands for obtaining ore grinding be dehydrated to water content be 12% after, be added bacterium solution
20h is impregnated, solid-to-liquid ratio 1:150 is filtered after immersion, solid matter is taken to be rinsed well with clear water, is dehydrated to aqueous
Amount is 20%, obtains deferrization titanium ore；The bacterium solution is the mixture of brevibacterium flavum microbial inoculum and bacillus licheniformis agent, weight
Proportion is 1:10；
The flotation are as follows: into deferrization titanium ore plus water is tuned into the ore pulp that concentration is 45%, and after pH values of pulp is tuned into 2,
Be added the medicament of the ore pulp quality 5%, stirring scrapes foam-expelling to blistering, dehydration to water content be 12% to get；By weight
Number meter, the medicament is mainly by 15 parts of aloe extracts, 19 parts of eucalyptus leaf extracts, 6 parts of citric acids and 17 parts of N- dodecanes
Base bi-quaternary ammonium salt is blended.
Curdlan content is 71mg/g in the aloe extract, and eucalyptus oil volumetric concentration is in eucalyptus leaf extract
81%.
The brevibacterium flavum microbial inoculum the preparation method comprises the following steps: being inoculated with the yellow of the culture solution weight 9% into culture solution
Brevibacterium activated spawn, under the conditions of 35 DEG C, 200r/min shaken cultivation 30h to get；The culture solution includes following parts by weight
Several raw material: 25 parts of corn flour, 30 parts of diammonium hydrogen citrate, 0.5 part of magnesium sulfate, 0.4 part of sodium dihydrogen phosphate, sodium dihydrogen phosphate
0.3 part and 1500 parts of water.
The bacillus licheniformis agent the preparation method comprises the following steps: being inoculated with the ground of the fermentation liquid weight 5% into fermentation liquid
Clothing bacillus activated spawn, under the conditions of 37 DEG C, 250r/min shaken cultivation 40h to get；The fermentation liquid includes following heavy
Measure number raw material: 15 parts of sucrose, 0.6 part of magnesium sulfate, 0.7 part of sodium dihydrogen phosphate, 0.4 part of sodium dihydrogen phosphate, 3 parts of calcium carbonate and
1500 parts of water.
The aloe extract the preparation method comprises the following steps: by aloe leaf peeling, grinding, homogeneous, filtering, adjust filtrate pH be
After 3, it is slowly added to the ethanol solution that the mass concentration of 5 volumes times is 95%, stirring stands 3h, and centrifugation takes and precipitates anhydrous second
Alcohol wash 5 times, drying to get.
The eucalyptus leaf extract the preparation method comprises the following steps: taking fresh eucalyptus leaves, drying to constant weight at 50 DEG C, crush, cross 40
Mesh obtains coarse powder, and coarse powder is put into distiller together with water and distills 4h, collects oily phase, will collect obtained oil at -15 DEG C
Freeze 2h, centrifugation, take solids heating and melting to get.
Embodiment 3
A kind of albite method for concentrating of the present embodiment, including raw ore cleans, screening, broken, ore grinding, microbiological treatment, floats
Choosing and dehydration, the microbiological treatment are as follows: the 300 mesh fine sands for obtaining ore grinding be dehydrated to water content be 150% after, be added bacterium solution
18h is impregnated, solid-to-liquid ratio 1:120 is filtered after immersion, solid matter is taken to be rinsed well with clear water, is dehydrated to aqueous
Amount is 22%, obtains deferrization titanium ore；The bacterium solution is the mixture of brevibacterium flavum microbial inoculum and bacillus licheniformis agent, weight
Proportion is 1:7；
The flotation are as follows: into deferrization titanium ore plus water is tuned into concentration and is 40% ore pulp, and pH values of pulp is tuned into 1.5
Afterwards, be added the medicament of the ore pulp quality 4%, stirring scrapes foam-expelling to blistering, dehydration to water content be 13% to get；By weight
Number meter is measured, the medicament is mainly by 13 parts of aloe extracts, 17 parts of eucalyptus leaf extracts, 5 parts of citric acids and 12 parts of N- 12
Alkyl bi-quaternary ammonium salt is blended.
Curdlan content is 66mg/g in the aloe extract, and eucalyptus oil volumetric concentration is in eucalyptus leaf extract
95%.
The brevibacterium flavum microbial inoculum the preparation method comprises the following steps: being inoculated with the yellow of the culture solution weight 6% into culture solution
Brevibacterium activated spawn, under the conditions of 33 DEG C, 180r/min shaken cultivation 25h to get；The culture solution includes following parts by weight
Several raw material: 20 parts of corn flour, 25 parts of diammonium hydrogen citrate, 0.4 part of magnesium sulfate, 0.2 part of sodium dihydrogen phosphate, sodium dihydrogen phosphate
0.2 part and 1300 parts of water.
The bacillus licheniformis agent the preparation method comprises the following steps: being inoculated with the ground of the fermentation liquid weight 4% into fermentation liquid
Clothing bacillus activated spawn, under the conditions of 35 DEG C, 230r/min shaken cultivation 35h to get；The fermentation liquid includes following heavy
Measure number raw material: 12 parts of sucrose, 0.4 part of magnesium sulfate, 0.5 part of sodium dihydrogen phosphate, 0.3 part of sodium dihydrogen phosphate, 2 parts of calcium carbonate and
1200 parts of water.
The aloe extract the preparation method comprises the following steps: by aloe leaf peeling, grinding, homogeneous, filtering, adjust filtrate pH be
After 2.5, it is slowly added to the ethanol solution that the mass concentration of 4 volumes times is 92%, stirring stands 2.5h, and centrifugation takes precipitating nothing
Water-ethanol wash 4 times, drying to get.
The eucalyptus leaf extract the preparation method comprises the following steps: taking fresh eucalyptus leaves, drying to constant weight at 45 DEG C, crush, cross 30
Mesh obtains coarse powder, and coarse powder is put into distiller together with water and distills 3.5h, collects oily phase, will collect obtained oil in -18 DEG C
Lower freezing 1.5h, centrifugation, take solids heating and melting to get.
Microbiological treatment removes iron, titanium effect test:
Control group 1: in albite method for concentrating, except iron is carried out using conventional magnetic selection method, i.e., the ore pulp obtained ore grinding
Weak magnetic electromagnetic dressing equipment and strong magnetic electromagnetic dressing equipment are passed sequentially through to remove irony sundries, then flotation removes mica again,
His step is such as: raw ore cleaning, screening, broken, ore grinding, flotation (removing mica) and dehydration are same as Example 3.
Control group 2: in albite method for concentrating, except iron is carried out using conventional acid leaching method, i.e., the ore in sand form obtained ore grinding
Be put into sulfuric acid solution and impregnate to remove irony sundries, then flotation removes mica again, other steps such as: it is raw ore cleaning, screening, broken
Broken, ore grinding, flotation (removing mica) and dehydration are same as Example 3.
Control group 3: in albite method for concentrating, microbiological treatment are as follows: the processing of iron fungus Aspergillus niger is (routinely optimal with removing
Amount addition microbial inoculum), then flotation removes mica again, other steps such as: raw ore cleaning, screening, broken, ore grinding, flotation (removing mica)
It is same as Example 3 with dehydration.
Control group 4: in albite method for concentrating, microbiological treatment are as follows: use iron-reducing bacterium fermentation process (routinely optimal amount
Add microbial inoculum), then flotation removes mica again, other steps such as: raw ore cleaning, screening, broken, ore grinding, flotation (removing mica) and
Dehydration is same as Example 3.
Control group 5: in albite method for concentrating, microbiological treatment are as follows: handle (microbial inoculum dosage with the lichen bacillus ferments
For the summation of bacillus licheniformis and brevibacterium flavum microbial inoculum in embodiment 3), then flotation removes mica again, other steps such as: it is former
Mine cleaning, screening, broken, ore grinding, flotation (removing mica) and dehydration are same as Example 3.
Control group 6: in albite method for concentrating, microbiological treatment are as follows: (microbial inoculum is used with the processing of brevibacterium flavum fermenting agent
Amount be embodiment 3 in bacillus licheniformis and brevibacterium flavum microbial inoculum summation), then again flotation remove mica, other steps such as:
Raw ore cleaning, screening, broken, ore grinding, flotation (removing mica) and dehydration are same as Example 3.
Respectively by embodiment 3, control group 1 to 6 each group of control group ore major impurity ferric oxide content before and after the processing
It is detected, wherein the ore source that each group uses is certain regional mine of south china, the results are shown in Table 1:
1 each group of table ferric oxide content situation of change (wt%) before and after the processing
| Group | Processing | Before processing | After processing |
| Embodiment 3 | Brevibacterium flavum and bacillus licheniformis group are reasonable | 5.30 | 0.19 |
| Control group 1 | Magnetic separation | 5.31 | 0.22 |
| Control group 2 | Acidleach (sulfuric acid) | 5.32 | 0.20 |
| Control group 3 | Aspergillus niger processing | 5.32 | 0.88 |
| Control group 4 | Iron-reducing bacterium processing | 5.33 | 0.79 |
| Control group 5 | Bacillus licheniformis processing | 5.30 | 0.91 |
| Control group 6 | Brevibacterium flavum processing | 5.31 | 0.95 |
Table 1: from the comparison of embodiment 3 and control group 1, control group 2 it is found that the method for the present invention de-ironing efficiency and magnetic separation, acid
Leaching quite, reaches state of the art.From the comparison of embodiment 3 and control group 3, control group 4 it is found that the strain that the present invention selects
And combinations thereof de-ferrous effect be better than conventional use of strain, and strain is relatively conventional, convenient for promoting.From embodiment 3 and control group
5, the comparison of control group 6 is it is found that the present invention is carried out as combination except iron, the two association using brevibacterium flavum and bacillus licheniformis
Same synergy, compared with exclusive use, de-ironing efficiency is higher.
Respectively by embodiment 3, control group 1, control group 5 to 6 each group of control group ore major impurity titanium dioxide before and after the processing
Ti content is detected, wherein the ore source that each group uses is certain regional mine of south china, the results are shown in Table 2:
2 each group of table content of titanium dioxide situation of change (wt%) before and after the processing
| Group | Processing | Before processing | After processing |
| Embodiment 3 | Brevibacterium flavum and the processing of bacillus licheniformis combined fermentation | 0.47 | 0.02 |
| Control group 1 | Magnetic separation | 0.46 | 0.02 |
| Control group 5 | The lichen bacillus ferments processing | 0.45 | 0.33 |
| Control group 6 | Brevibacterium flavum fermentation process | 0.46 | 0.36 |
Table 2: from the comparison of embodiment 3 and control group 1 it is found that the method for the present invention can remove titanium, and remove titanium efficiency and magnetic separation phase
When reaching state of the art.From the comparison of embodiment 3 and control group 5, control group 6 it is found that brevibacterium flavum of the present invention and ground
Clothing bacillus synergistic effect, can eliminate two kinds of impurity of iron, titanium in feldspar simultaneously, be better than single strain using effect.
Except biotite, magnesia effect test:
Comparative example 1
Any medicament is not used when flotation, other steps are same as Example 1.
Comparative example 2
When flotation, medicament is conventional use of medicament, i.e. the mixed thing of lauryl amine and octadecylamine, quality proportioning 2:1,
His step is same as Example 1.
Comparative example 3
When flotation, medicament is mainly mixed by 15 parts of eucalyptus leaf extracts, 3 parts of citric acids and 8 parts of N- dodecyl bi-quaternary ammonium salts
It makes, other steps are same as Example 1.
Comparative example 4
When flotation, medicament is mainly by 10 parts of aloe extracts, 15 parts of eucalyptus leaf extracts and the double quaternary ammoniums of 8 parts of N- dodecyls
Salt is blended, other steps are same as Example 1.
Comparative example 5
When flotation, medicament is mainly blended by 10 parts of aloe extracts, 3 parts of citric acids and 8 parts of N- dodecyl bi-quaternary ammonium salts
It forms, other steps are same as Example 1.
Above-described embodiment and comparative example obtain albite in powder whiteness (biotite content is fewer, and whiteness is higher) and are shown in Table 3:
The comparison of 3 each group whiteness of table
| Project/group | Whiteness (1200 °) |
| Embodiment 1 | 61.7% |
| Embodiment 2 | 61.9% |
| Embodiment 3 | 62.7% |
| Comparative example 1 (blank) | 32.4% |
| Comparative example 2 (routine) | 60.8% |
| Comparative example 3 (no aloe extract) | 42.1% |
| Comparative example 4 (no citric acid) | 58.9% |
| Comparative example 5 (no eucalyptus leaf extract) | 45.8% |
As known from Table 3:
(1) present invention has effectively removed the biotite in feldspar, has produced Gao Bai by making improvement to method for floating
It spends, the high-quality albite in powder of low clouds mother, obtained albite in powder whiteness is up to 61.7%-62.7%, is above conventional method
(60.8%).
(2) compared with traditional method for floating, the medicament used is nontoxic and pollution-free, environmentally friendly.
(3) aloe extract, eucalyptus leaf extract, citric acid and N- dodecyl bi-quaternary ammonium salt synergistic effect, effectively go
In addition to biotite, ore whiteness is further improved.
Respectively by embodiment 1, ore oxidation content of magnesium detects comparative example 3 to 5 each group of comparative example before and after the processing,
In, the ore source that each group uses is certain regional mine of south china, it the results are shown in Table 4:
4 each group of table content of magnesia situation of change (wt%) before and after the processing
| Group | Before processing | After processing |
| Embodiment 1 | 0.67 | 0.02 |
| Comparative example 3 (no aloe extract) | 0.69 | 0.48 |
| Comparative example 4 (no citric acid) | 0.68 | 0.49 |
| Comparative example 5 (no eucalyptus leaf extract) | 0.69 | 0.40 |
Table 4: from the comparison of embodiment 1 and comparative example 3, comparative example 4, comparative example 5 it is found that aloe extract of the present invention, eucalyptus
Leaf extract, citric acid and N- dodecyl bi-quaternary ammonium salt synergistic effect, can effectively remove magnesia.Consolidated statement 3 it is found that
Method for floating of the present invention can not only remove biotite, moreover it is possible to while magnesia is removed, overcoming traditional method for floating can only be single
The defect of biotite is removed, and then improves the quality of feldspar.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (6)
1. a kind of albite method for concentrating, including raw ore cleaning, screening, broken, ore grinding, microbiological treatment, flotation and dehydration,
It is characterized in that:
The microbiological treatment are as follows: obtain ore grinding >=200 mesh fine sands are dehydrated to water content≤15%, bacterium solution is added and impregnates
15-20h, solid-to-liquid ratio 1:100-150 are filtered after immersion, solid matter are taken to be rinsed well with clear water, and dehydration is to containing
Water≤25% obtains deferrization titanium ore；The bacterium solution is the mixture of brevibacterium flavum microbial inoculum and bacillus licheniformis agent, weight
Amount proportion is 1:5-10；
The flotation are as follows: into deferrization titanium ore plus water is tuned into the ore pulp that concentration is 35-45%, and after pH values of pulp is tuned into 1-2,
Be added the medicament of the ore pulp quality 3-5%, stirring scrapes foam-expelling to blistering, dehydration to water content≤15% to get；By weight
Number meter is measured, the medicament is mainly by 10-15 parts of aloe extracts, 15-19 parts of eucalyptus leaf extracts, 3-6 parts of citric acids and 8-
17 parts of N- dodecyl bi-quaternary ammonium salts are blended.
2. a kind of albite method for concentrating according to claim 1, it is characterised in that: the system of the brevibacterium flavum microbial inoculum
Preparation Method are as follows: the brevibacterium flavum activated spawn of the culture solution weight 5-9% is inoculated with into culture solution, in 30-35 DEG C, 150-
Under the conditions of 200r/min shaken cultivation 20-30h to get；The culture solution includes the raw material of following parts by weight: corn flour 15-
25 parts, 20-30 parts of diammonium hydrogen citrate, 0.2-0.5 parts of magnesium sulfate, 0.1-0.4 parts of sodium dihydrogen phosphate, sodium dihydrogen phosphate 0.1-
0.3 part and water 1000-1500 parts.
3. a kind of albite method for concentrating according to claim 1, it is characterised in that: the bacillus licheniformis agent
The preparation method comprises the following steps: be inoculated with the bacillus licheniformis activated spawn of the fermentation liquid weight 3-5% into fermentation liquid, in 33-37 DEG C,
Under the conditions of 200-250r/min shaken cultivation 30-40h to get；The fermentation liquid includes the raw material of following parts by weight: sucrose
10-15 parts, 0.3-0.6 parts of magnesium sulfate, 0.3-0.7 parts of sodium dihydrogen phosphate, 0.1-0.4 parts of sodium dihydrogen phosphate, 1-3 parts of calcium carbonate and
1000-1500 parts of water.
4. a kind of albite method for concentrating according to claim 1, it is characterised in that: the preparation side of the aloe extract
Method are as follows: by aloe leaf peeling, grinding, homogeneous, filtering adjusts filtrate pH to be slowly added to the quality of 3-5 volume times after 2-3
Concentration is the ethanol solution of 90-95%, and stirring stands 2-3h, and centrifugation takes precipitating to be washed 3-5 times with dehydrated alcohol, is dried, i.e.,
?.
5. a kind of albite method for concentrating according to claim 1, it is characterised in that: the preparation of the eucalyptus leaf extract
Method are as follows: taking fresh eucalyptus leaves, drying to constant weight at 40-50 DEG C, crushes, and crosses 20-40 mesh, coarse powder is obtained, by coarse powder and water one
3-4h is distilled with being put into distiller, collects oily phase, obtained oil will be collected and freeze 1-2h at -20 DEG C to -15 DEG C, be centrifuged,
Take solids heating and melting to get.
6. a kind of albite method for concentrating according to claim 1, it is characterised in that: according to parts by weight, the medicament
Mainly be blended by 13 parts of aloe extracts, 17 parts of eucalyptus leaf extracts, 5 parts of citric acids and 12 parts of N- dodecyl bi-quaternary ammonium salts and
At.
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| CN110898998A (en) * | 2019-11-25 | 2020-03-24 | 太原理工大学 | Method for flotation of phlogopite by synergistic effect of microorganisms and dodecylamine |
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