CN110523536A - A kind of application method of novel surfactant in sylvite ore flotation - Google Patents
A kind of application method of novel surfactant in sylvite ore flotation Download PDFInfo
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- CN110523536A CN110523536A CN201910748270.3A CN201910748270A CN110523536A CN 110523536 A CN110523536 A CN 110523536A CN 201910748270 A CN201910748270 A CN 201910748270A CN 110523536 A CN110523536 A CN 110523536A
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- flotation
- sylvite
- novel surfactant
- sylvite ore
- application method
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- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 title claims abstract description 99
- 238000005188 flotation Methods 0.000 title claims abstract description 77
- 239000001103 potassium chloride Substances 0.000 title claims abstract description 77
- 235000011164 potassium chloride Nutrition 0.000 title claims abstract description 77
- 239000004094 surface-active agent Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 12
- 235000010755 mineral Nutrition 0.000 claims abstract description 12
- 239000011707 mineral Substances 0.000 claims abstract description 12
- -1 octadecyl pyrrolidinyl ammonium chlorides Chemical class 0.000 claims description 18
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 9
- 229920002472 Starch Polymers 0.000 claims description 8
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 8
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 8
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 8
- 239000008107 starch Substances 0.000 claims description 8
- 235000019698 starch Nutrition 0.000 claims description 8
- 239000004088 foaming agent Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 238000009291 froth flotation Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 9
- 125000000304 alkynyl group Chemical group 0.000 abstract description 2
- 230000002209 hydrophobic effect Effects 0.000 abstract description 2
- 125000001165 hydrophobic group Chemical group 0.000 abstract description 2
- MJBPUQUGJNAPAZ-UHFFFAOYSA-N Butine Natural products O1C2=CC(O)=CC=C2C(=O)CC1C1=CC=C(O)C(O)=C1 MJBPUQUGJNAPAZ-UHFFFAOYSA-N 0.000 description 9
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000011591 potassium Substances 0.000 description 6
- 229910052700 potassium Inorganic materials 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 229940072033 potash Drugs 0.000 description 5
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 5
- 235000015320 potassium carbonate Nutrition 0.000 description 5
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 241001131796 Botaurus stellaris Species 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- KTVYGDJRKCXTRA-UHFFFAOYSA-N hydron;pyrrolidin-1-amine;chloride Chemical compound Cl.NN1CCCC1 KTVYGDJRKCXTRA-UHFFFAOYSA-N 0.000 description 1
- PALNZFJYSCMLBK-UHFFFAOYSA-K magnesium;potassium;trichloride;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].[Cl-].[K+] PALNZFJYSCMLBK-UHFFFAOYSA-K 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/01—Organic compounds containing nitrogen
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
- B03D2203/10—Potassium ores
Landscapes
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses a kind of application method of novel surfactant in sylvite ore flotation, use novel surfactant shown in formula I as collecting agent in sylvite ore flotation, the novel surfactant is as collecting agent, there are two close mineral groups for tool in its molecule, it is stronger with the ability to function of mineral surfaces, it is more preferable to the selectivity of target mineral；Tool increases the hydrophobic ability of collecting agent there are two hydrophobic group, stronger to the collecting ability of target mineral, compared with the prior art in commonly use the features such as flotation collector can effectively improve flotation efficiency and the rate of recovery；Simultaneously as having the characteristics that Krafft point is low containing unsaturated alkynyl in molecule.Flotation collector is commonly used in compared with the prior art can effectively improve the flotation efficiency and the rate of recovery of sylvite ore, and the features such as can more use at low temperatures.
Description
Technical field
The invention belongs to technical field of beneficiation, it particularly relates to which a kind of novel surfactant is in sylvite ore flotation
On application method.
Background technique
World's sylvite ore stone industrial type mainly has sylvite, carnallite, potassium sulfate salt, mixing sylvite and liquid potassium ore
5 seed types.It is counted according to US Geological Survey, for global Potash mineral resources total amount up to 250,000,000,000 tons, most of is underground solid potassium stone
Salt, small part are bittern containing potassium, are mainly distributed on the states such as Canada, Russia, Byelorussia, Germany and Jordan, wherein plus taking
Greatly, the economic reserve of Russia and Byelorussia accounts for about 84%.World's potash fertilizer production and supply is extremely uneven, and potash fertilizer production is main
Concentrate on the states such as Canada, Russia, Byelorussia, Germany, Israel, yield accounts for the 93% of the whole world, and the big potash fertilizer in the world five
The potassium chloride production capacity of manufacturer accounts for about the 81% of the whole world, and export volume accounts for about 80% or more.Floatation is the main side of potash fertilizer production
One of method, the whole world are produced by flotation there are about 80% KCl and are obtained.In floatation process, flotation collector is key, directly certainly
Determine the quality of floatation indicators.Currently, the flotation of sylvite ore mainly uses fatty amines collecting agent, but common fatty amines
Collecting agent, such as octadecylamine, lauryl amine have the drawback that selectivity is poor, dosage is big, solubility and dispersion at low temperature
Property is poor.Therefore, lead to fatty amines in winter since the dissolubility of fatty amines collecting agent is poor in the dressing plant of northern China
The dosage of collecting agent is very big, and the index errors such as the grade of potassium concentrate and the rate of recovery.Therefore, in order to solve under low temperature in sylvite
The technical problem of the floatation indicators difference of potassium concentrate, the new and effective sylvite ore that research and development collecting ability is strong, selectivity is good
The sustainable development of flotation collector, development and utilization and agricultural, related industries to sylvite resource has very great meaning
Justice.
Currently, about bis- (the octadecyl pyrrolidinyl chlorinations of novel surfactant 2- butine-Isosorbide-5-Nitrae-shown in Formulas I
Ammonium) in sylvite ore flotation as flotation collector application have not been reported.
In view of this present invention is specifically proposed.
Summary of the invention
Exist the technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of novel surfactant
Application method in sylvite ore flotation, solve existing fatty amines collecting agent is poor to sylvite selectivity, dosage is big, low
Solubility and bad dispersibility under temperature lead to potassium concentrate grade and rate of recovery difference, particularly under cryogenic sylvite flotation effect
The problem of fruit difference.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution:
The application method of a kind of novel surfactant in sylvite ore flotation, by the 2- butine-with Formulas I structural formula
Isosorbide-5-Nitrae-bis- (octadecyl pyrrolidinyl ammonium chlorides) is used as the collecting agent in sylvite ore flotation, starch or sodium carboxymethylcellulose
For inhibitor, No. 2 oil make foaming agent, and the flotation granularity of sylvite is -100-30 mesh, and flotation pulp pH value is pH 5~8, float
Selecting temperature is 0-35 DEG C.
The novel surfactant structure is shown in formula I:
When novel surfactant is as collecting agent, flotation sylvite particle size range is that 35-50 mesh accounts for 50%~100%.
When novel surfactant is as collecting agent, the amount ranges of novel surfactant are 10~200g/t.
When novel surfactant is used for the flotation collector of sylvite ore, starch or sodium carboxymethylcellulose conduct are added
Inhibitor, the dosage of starch are 50~300g/t, and the dosage of sodium carboxymethylcellulose is 80~200g/t；No. 2 oil are added to rise
Infusion, dosage are 50~100g/t.
Novel surfactant is used as the operating process of collecting agent are as follows: enters flotation after (a) grinde ore；(b) ore grinding and/
Or floating agent is added in floatation process and sizes mixing, novel surfactant shown in formula I is at least contained in the collecting agent of addition；
(c) pass through froth flotation method emersion potassium chloride mineral.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
(1) there are two close mineral groups for tool in the molecule of the flotation collector of novel surfactant, with mineral surfaces
Ability to function is stronger, more preferable to the selectivity of target mineral.
(2) there are two hydrophobic groups for tool in its molecule, increase the hydrophobic ability of collecting agent, to the collecting energy of target mineral
Power is stronger, can strengthen the effect of sylvite ore flotation.
(3) due to, containing unsaturated alkynyl, having the characteristics that Krafft point is low in molecule, have at low temperature good
Dissolubility and dispersibility.
(4) flotation collector of novel surfactant of the present invention is at low temperature to the collecting ability of sylvite
By force, selectivity is good, improves the grade and the rate of recovery of sylvite, solving traditional ammonium salt, dissolubility is poor at low temperature, causes to catch
It is big to receive agent dosage, the low technical problem of the grade and the rate of recovery of potassium chloride, the value with good promotion and application.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
The a part of attached drawing as the application, for providing further understanding of the invention, of the invention is schematic
Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 is that an embodiment 2- butine -1,4- bis- (octadecyl pyrrolidinyl ammonium chlorides) is answered in sylvite ore flotation
Process flow chart；
Fig. 2 is the process flow chart of novel surfactant flotation potassium chloride minal；
Fig. 3 is another embodiment 2- butine -1,4- bis- (octadecyl pyrrolidinyl ammonium chlorides) in sylvite ore flotation
The process flow chart of application.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
The present invention provides a kind of bis- (octadecyls of novel surfactant 2- butine -1,4- for sylvite ore flotation
Pyrrolidinyl ammonium chloride), the novel surfactant structure is shown in formula I:
The application to the novel surfactant as sylvite ore flotation collector gives combined with specific embodiments below
Explanation.
Embodiment 1:Application of the 2- butine -1,4- bis- (octadecyl pyrrolidinyl ammonium chlorides) in sylvite ore flotation
(flotation temperature are as follows: 25-28 DEG C)
Qinghai sylvite ore sample ore, raw ore contain KCl20.12%, NaCl60.44%, and saturated bittern is added and grinds ore
Mine to -35 mesh account for 55%, and flotation pulp concentration 30% rises in sodium carboxymethylcellulose dosage 80g/t, collector dosage 60g/t
Under the conditions of infusion 2 oily dosage 45g/t, sylvite ore roughing flotation is carried out, scans and collecting agent 30g/t is added, primary cleaning adds
Enter sodium carboxymethylcellulose dosage 40g/t, sodium carboxymethylcellulose dosage 30g/t, flotation process figure is added in recleaning
See Fig. 1.Novel surfactant 2- butine -1,4- bis- (octadecyl pyrrolidinyl ammonium chlorides) in the present invention with commonly catch
The flotation comparative test result for receiving agent octadecylamine is shown in Table 1.As shown in Table 1, compared with common collecting agent octadecylamine, use is novel
When surfactant 2- butine-Isosorbide-5-Nitrae-bis- (octadecyl pyrrolidinyl ammonium chlorides), the rate of recovery of KCl is improved in potassium chloride concentrate
6.68 percentage points, the grade of KCl improves 2.13 percentage points, the grade of NaCl reduces 1.06 percentage points.
1 collecting agent flotation sylvite ore comparative test result of table
Other conditions are constant, and the flotation of the sylvite ore is carried out under the conditions of temperature is 5-8 DEG C, as a result as follows:
As it can be seen that flotation of the 2- butine-Isosorbide-5-Nitrae-of the present invention bis- (octadecyl pyrrolidinyl ammonium chlorides) to sylvite
Index is better than octadecylamine, especially more significant to the flotation of sylvite ore under cryogenic.
Embodiment 2:Application (flotation temperature are as follows: 15-20 DEG C) of the novel surfactant in flotation potassium chloride minal
It is that -0.3mm~+0.18mm potassium chloride minal 2.0g is placed in 40mL flotation cell by granularity, it is full that 30mL is added
And Klorvess Liquid, stirring 2min are uniformly mixed it, carry out flotation, flotation work under conditions of collector dosage is 30g/t
Skill flow chart is shown in attached drawing 2.The flotation of new collector and common two kinds of collecting agent lauryl amines, octadecylamine in the present invention compares
Test result is shown in Table 2.As can be seen from Table 2, new collector is significantly stronger than common two kinds of fatty amines to the collecting ability of potassium chloride
Collecting agent.
2 collecting agent flotation minal contrast and experiment of table
Embodiment 3:Application of the 2- butine -1,4- bis- (octadecyl pyrrolidinyl ammonium chlorides) in sylvite ore flotation
(flotation temperature are as follows: 15-20 DEG C)
Certain low-grade sample ore of sylvite ore containing mud, raw ore contain KCl 10.15%, NaCl55.03%, and saturated bittern is added by mine
Stone mill mine to -45 mesh account for 85%, flotation pulp concentration 35%, in starch dosage 180g/t, collector dosage 120g/t, foaming agent
Under the conditions of No. 2 oily dosage 35g/t, sylvite ore roughing flotation is carried out, scans and collecting agent 60g/t is added, primary cleaning, which is added, forms sediment
Starch dosage 30g/t is added in powder dosage 50g/t, recleaning, and starch dosage 20g/t, flotation process is added in triple cleaning
Figure is shown in attached drawing 3.Novel surfactant 2- butine -1,4- bis- (octadecyl pyrrolidinyl ammonium chlorides) in the present invention and common
The flotation comparative test result of collecting agent lauryl amine be shown in Table 3.As shown in Table 3, it compared with common collecting agent lauryl amine, uses
When novel surfactant 2- butine-Isosorbide-5-Nitrae-bis- (octadecyl pyrrolidinyl ammonium chlorides), the rate of recovery of KCl in potassium chloride concentrate
9.22 percentage points are improved, the grade of KCl improves 0.93 percentage point, and the grade of NaCl reduces 1.39 percentage points.
3 collecting agent flotation sylvite ore comparative test result of table
Other conditions are constant, and the flotation of the sylvite ore is carried out under the conditions of temperature is 5-8 DEG C, as a result as follows:
As it can be seen that flotation of the 2- butine-Isosorbide-5-Nitrae-of the present invention bis- (octadecyl pyrrolidinyl ammonium chlorides) to sylvite
Index is better than lauryl amine, especially more significant to the flotation of sylvite ore under cryogenic.
Embodiment 4
It is identical as the condition of embodiment 2, in bis- (the octadecyl pyrrolidinyl chlorine of novel surfactant 2- butine-Isosorbide-5-Nitrae-
Change ammonium) dosage be 20g/t, pH values of pulp 6.93, to partial size be -0.3mm~+0.18mm potassium chloride mineral floating 4 minutes, this
When potassium chloride flotation recovery rate reach 97.9%.
Embodiment 5:Application of the 2- butine -1,4- bis- (octadecyl pyrrolidinyl ammonium chlorides) in sylvite ore flotation
(flotation temperature are as follows: 5-8 DEG C)
Under the conditions of temperature is 5-8 DEG C, certain sylvite ore sample ore, raw ore contains KCl9.18%, NaCl39.28%, is added full
Ore ore grinding to -50 mesh is accounted for 85% with brine, flotation pulp concentration 30%, in collector dosage 150g/t, No. 2 oil of foaming agent
Under the conditions of dosage 55g/t, sylvite ore roughing flotation is carried out, scans and collecting agent 50g/t is added, it is fine that carboxymethyl is added in primary cleaning
Plain sodium dosage 60g/t is tieed up, sodium carboxymethylcellulose dosage 40g/t is added in recleaning, and carboxymethyl cellulose is added in triple cleaning
Sodium dosage 30g/t.Novel surfactant 2- butine -1,4- bis- (octadecyl pyrrolidinyl ammonium chlorides) in the present invention and often
The flotation comparative test result of collecting agent octadecylamine is shown in Table 4.As shown in Table 4, compared with common collecting agent octadecylamine, make
When (octadecyl pyrrolidinyl ammonium chlorides) bis- with novel surfactant 2- butine-Isosorbide-5-Nitrae-, the recycling of KCl in potassium chloride concentrate
Rate improves 27.03 percentage points, and the grade of KCl improves 1.65 percentage points, and the grade of NaCl reduces 1.91 percentages
Point.
Collecting agent flotation sylvite ore comparative test result under the 5-8 DEG C of cryogenic conditions of table 4
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (6)
1. a kind of application method of novel surfactant in sylvite ore flotation, it is characterised in that: will have Formulas I structural formula
2- butine-Isosorbide-5-Nitrae-bis- (octadecyl pyrrolidinyl ammonium chlorides) be used as the collecting agent in sylvite ore flotation, starch or carboxylic first
Base sodium cellulosate is inhibitor, and No. 2 oil make foaming agent, and the flotation granularity of sylvite is -100-30 mesh, and flotation pulp pH value is
PH5~8, flotation temperature are 0-35 DEG C；
2. a kind of application method of the novel surfactant according to claim 1 in sylvite ore flotation, feature
Be: the sylvite particle size range is that 35-50 mesh accounts for 50%~100%.
3. a kind of application method of the novel surfactant according to claim 1 in sylvite ore flotation, feature
Be: the dosage of the novel surfactant is 10~200g/t.
4. a kind of application method of the novel surfactant according to claim 1 in sylvite ore flotation, feature
Be: the dosage of the starch is 50~300g/t, and the dosage of sodium carboxymethylcellulose is 80~200g/t.
5. a kind of application method of the novel surfactant according to claim 1 in sylvite ore flotation, feature
Be: No. 2 oily dosages are 50~100g/t.
6. application method of -5 any a kind of novel surfactants in sylvite ore flotation according to claim 1,
It is characterized in that, entering flotation after mainly comprising the steps that (a) grinde ore；(b) it is added in ore grinding and/or floatation process
Floating agent is sized mixing；(c) pass through froth flotation method emersion potassium chloride mineral.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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