CN106824550B - A kind of iron mineral inhibitor and preparation method thereof - Google Patents
A kind of iron mineral inhibitor and preparation method thereof Download PDFInfo
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- CN106824550B CN106824550B CN201710177011.0A CN201710177011A CN106824550B CN 106824550 B CN106824550 B CN 106824550B CN 201710177011 A CN201710177011 A CN 201710177011A CN 106824550 B CN106824550 B CN 106824550B
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- 239000003112 inhibitor Substances 0.000 title claims abstract description 30
- 229910001608 iron mineral Inorganic materials 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title description 4
- 239000000203 mixture Substances 0.000 claims abstract description 42
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 22
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 20
- 229920002261 Corn starch Polymers 0.000 claims abstract description 17
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 17
- 239000008120 corn starch Substances 0.000 claims abstract description 17
- 229940099112 cornstarch Drugs 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 claims abstract description 14
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 229920002472 Starch Polymers 0.000 claims abstract description 12
- JQWHASGSAFIOCM-UHFFFAOYSA-M sodium periodate Chemical compound [Na+].[O-]I(=O)(=O)=O JQWHASGSAFIOCM-UHFFFAOYSA-M 0.000 claims abstract description 12
- 239000008107 starch Substances 0.000 claims abstract description 12
- 235000019698 starch Nutrition 0.000 claims abstract description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 10
- 240000003183 Manihot esculenta Species 0.000 claims abstract description 6
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims abstract description 6
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims abstract description 6
- 239000001632 sodium acetate Substances 0.000 claims abstract description 6
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 6
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000654 additive Substances 0.000 claims description 39
- 239000003054 catalyst Substances 0.000 claims description 39
- 239000011790 ferrous sulphate Substances 0.000 claims description 10
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 10
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 10
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 5
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 claims description 5
- 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 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 3
- BYTHVGJFIYYISA-UHFFFAOYSA-L disodium oxirane carbonate Chemical compound C([O-])([O-])=O.[Na+].C1CO1.[Na+] BYTHVGJFIYYISA-UHFFFAOYSA-L 0.000 claims 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 42
- 229910052742 iron Inorganic materials 0.000 description 21
- 239000012141 concentrate Substances 0.000 description 7
- 239000003814 drug Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical group CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 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
- B03D1/018—Mixtures of inorganic and organic compounds
-
- 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
- B03D2201/06—Depressants
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
Abstract
The invention discloses a kind of production methods of iron mineral inhibitor: the first step reacts 1~4h by following parts by weight of component mixture at 60 DEG C~90 DEG C and obtains auxiliary agent (1): cornstarch, tapioca or 100 parts of wheaten starch, sodium ethoxide or 0.5~4.0 part of sodium hydroxide, 5~15 parts of sodium chloroacetate, second step reacts 3~6h by following parts by weight of component mixture at 50 DEG C~80 DEG C and obtains auxiliary agent (2): (1) 100 part of auxiliary agent obtained by the above-mentioned first step, 5~15 parts of ethylene oxide, sodium carbonate or 0.2~1.0 part of sodium acetate, third step is reacted 1~3h by following parts by weight of component mixture at 30 DEG C~60 DEG C to be inhibited agent finished product: (2) 100 parts of auxiliary agent obtained by above-mentioned second step, sodium metaperiodate or 1~12 part of hydrogen peroxide, sulphur It is sour ferrous or 0.2~1.0 part of copper sulphate.
Description
Technical field
The present invention relates to a kind of iron mineral inhibitor and preparation method thereof, belong to beneficiation reagent technical field.
Background technique
The inhibitor that floatation of iron mineral uses mainly has two class of micromolecular inhibitor and macromolecular inhibitor.Little molecules in inhibiting
Agent has waterglass, calgon, tartaric acid etc.；Macromolecular inhibitor has starch, carboxymethyl cellulose, sodium humate, dextrin
With polyacrylamide etc..Most widely used in these inhibitor is cornstarch, when inhibiting iron mineral using cornstarch, often
The deficiencies of high there are tailing.The reason is that cornstarch is weaker to the ability to function of fine grained iron mineral, cause fine grained iron ore
Object is easily accessible in tailing, causes Iron Grade of Tailings high, iron recovery is low.
Summary of the invention
The object of the present invention is to provide a kind of production method of iron mineral inhibitor, this inhibitor collection carboxyl, ethyoxyl
With aldehyde radical in one, the group with the effect of fine grained iron mineral is increased, increases the length with particulate iron mineral effect group,
Fine grained iron mineral can be inhibited in concentrate.It is weak to fine grained iron mineral ability to function to solve former cornstarch inhibitor,
The problems such as rejection ability is not strong improves concentrate grade and metal recovery rate, reduces tailings grade.
The purpose of the present invention is what is realized by following technical proposals:
The present invention provides a kind of production method of iron mineral inhibitor, includes the following steps:
The first step is reacted under the conditions of 60 DEG C~90 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 1~4 hour
Auxiliary agent 1:
100 parts of starch
Sodium ethoxide or 0.5~4.0 part of sodium hydroxide catalyst
5~15 parts of sodium chloroacetate
Second step is reacted under the conditions of 50 DEG C~80 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 3~6 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
5~15 parts of ethylene oxide
Sodium carbonate or 0.2~1.0 part of sodium acetate catalyst
Third step is reacted 1~3 hour under the conditions of 30 DEG C~60 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
Sodium metaperiodate or 1~12 part of hydrogen peroxide
Ferrous sulfate or 0.2~1.0 part of bluestone catalyst
The starch is cornstarch, tapioca, wheaten starch.
Select the inhibitor of the available different performance of different production methods.
Further, in the above-mentioned technical solutions, a kind of production method of iron mineral inhibitor, it is preferable that including following steps
It is rapid:
The first step is reacted 2 hours under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of cornstarch
0.6~1.0 part of ethyl alcohol sodium catalyst
7~10 parts of sodium chloroacetate
Second step is reacted under the conditions of 73 DEG C~75 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 4~5 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
7~8 parts of ethylene oxide
0.4~0.8 part of sodium acetate catalyst
Third step is reacted 2~3 hours under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
2~3 parts of sodium metaperiodate
0.3~0.4 part of bluestone catalyst.
Further, in the above-mentioned technical solutions, a kind of production method of iron mineral inhibitor, it is preferable that including following steps
It is rapid:
The first step is reacted 2 hours under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of tapioca
2.0~3.0 parts of sodium hydroxide catalyst
8~11 parts of sodium chloroacetate
Second step is reacted under the conditions of 72 DEG C~75 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 4~5 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
7~8 parts of ethylene oxide
0.4~0.8 part of sodium carbonate catalyst
Third step is reacted 2~3 hours under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
7~10 parts of hydrogen peroxide
0.3~0.4 part of ferrous sulfate catalyst
Further, in the above-mentioned technical solutions, a kind of production method of iron mineral inhibitor, it is preferable that including following steps
It is rapid:
The first step is reacted 2 hours under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of wheaten starch
2.0~3.0 parts of sodium hydroxide catalyst
8~11 parts of sodium chloroacetate
Second step is reacted under the conditions of 73 DEG C~75 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 4~5 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
7~8 parts of ethylene oxide
0.4~0.8 part of sodium carbonate catalyst
Third step is reacted 2~3 hours under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
7~10 parts of hydrogen peroxide
0.3~0.4 part of ferrous sulfate catalyst
The present invention provides a kind of iron mineral inhibitor that above-mentioned production method obtains.
Invention beneficial effect
The present invention forms carboxyl, ethyoxyl and the suppression of the iron mineral of carbonyl functional group by three-step reaction on starch molecule
Preparation, this inhibitor are a kind of wide grade polymeric inhibitors of iron mineral.It is strengthened by groups such as hydroxyl, ether and carbonyls
With the useful effect of iron mineral, the selectivity with iron mineral effect is improved.It especially significantly increases and inhibits fine grained iron ore
The ability to function of stone expands the range for inhibiting iron ore partial size, considerably reduces flotation tailing, realizes " mentioning iron drop tail "
Purpose.
Specific embodiment
Following non-limiting embodiments can with a person of ordinary skill in the art will more fully understand the present invention, but not with
Any mode limits the present invention.
Embodiment 1
The first step is reacted 2 hours under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of cornstarch
0.8 part of ethyl alcohol sodium catalyst
8 parts of sodium chloroacetate
Second step is reacted under the conditions of 73 DEG C~75 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 4~5 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
8 parts of ethylene oxide
0.6 part of sodium acetate catalyst
Third step is reacted 2~3 hours under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
3 parts of sodium metaperiodate
0.4 part of bluestone catalyst
Properties of product: compared with East Anshan industrial application causticization cornstarch inhibitor, floatation of iron ore temperature reduces by 13 DEG C,
Iron concentrate grade improves 0.2%, and Iron Grade of Tailings reduces by 2.4%, and unit consumption of medicine improves 20%.
Embodiment 2
The first step is reacted 2 hours under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of tapioca
3.0 parts of sodium hydroxide catalyst
10 parts of sodium chloroacetate
Second step is reacted under the conditions of 72 DEG C~75 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 4~5 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
8 parts of ethylene oxide
0.6 part of sodium carbonate catalyst
Third step is reacted 2~3 hours under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
9 parts of hydrogen peroxide
0.4 part of ferrous sulfate catalyst
Properties of product: compared with East Anshan industrial application causticization cornstarch inhibitor, floatation of iron ore temperature reduces by 15 DEG C,
Iron concentrate grade reduces by 0.15%, and Iron Grade of Tailings reduces by 1.73, and unit consumption of medicine improves 10%.
Embodiment 3
The first step is reacted 2 hours under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of wheaten starch
3.0 parts of sodium hydroxide catalyst
10 parts of sodium chloroacetate
Second step is reacted under the conditions of 73 DEG C~75 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 4~5 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
8 parts of ethylene oxide
0.8 part of sodium carbonate catalyst
Third step is reacted 2~3 hours under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
9 parts of hydrogen peroxide
0.4 part of ferrous sulfate catalyst
Properties of product: compared with East Anshan industrial application causticization cornstarch inhibitor, floatation of iron ore temperature reduces by 14 DEG C,
Iron concentrate grade reduces by 0.08%, and Iron Grade of Tailings reduces by 1.54, and unit consumption of medicine improves 12%.
Embodiment 4
The first step is reacted 2 hours under the conditions of 80 DEG C~82 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of cornstarch
2.5 parts of sodium hydroxide catalyst
10 parts of sodium chloroacetate
Second step is reacted under the conditions of 72 DEG C~74 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 4~5 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
8 parts of ethylene oxide
0.7 part of sodium carbonate catalyst
Third step is reacted 2~3 hours under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
10 parts of hydrogen peroxide
0.3 part of ferrous sulfate catalyst
Properties of product: compared with East Anshan industrial application causticization cornstarch inhibitor, floatation of iron ore temperature reduces by 13 DEG C,
Iron concentrate grade improves 0.02%, and Iron Grade of Tailings reduces by 2.04%, and unit consumption of medicine improves 12%.
Embodiment 5
The first step is reacted 2 hours under the conditions of 82 DEG C~84 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of cornstarch
1.8 parts of sodium hydroxide catalyst
13 parts of sodium chloroacetate
Second step is reacted under the conditions of 74 DEG C~75 DEG C by the mixture of following parts by weight of component to be obtained efficiently for 4~5 hours
Auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
8 parts of ethylene oxide
0.3 part of sodium carbonate catalyst
Third step is reacted 2~3 hours under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component to be inhibited
Agent finished product:
2 100 parts of high effective additives obtained by above-mentioned second step
10 parts of hydrogen peroxide
0.3 part of ferrous sulfate catalyst
Properties of product: compared with East Anshan industrial application causticization cornstarch inhibitor, floatation of iron ore temperature reduces by 15 DEG C,
Iron concentrate grade draft 0.05%, Iron Grade of Tailings reduce by 2.43%, and unit consumption of medicine improves 11%.
Claims (5)
1. a kind of production method of iron mineral inhibitor, it is characterised in that include the following steps:
The first step is reacted 1~4 hour under the conditions of 60 DEG C~90 DEG C by the mixture of following parts by weight of component obtains high effective additives
1:
100 parts of starch
Sodium ethoxide or 0.5~4.0 part of sodium hydroxide catalyst
5~15 parts of sodium chloroacetate
Second step is reacted 3~6 hours under the conditions of 50 DEG C~80 DEG C by the mixture of following parts by weight of component obtains high effective additives
2:
1 100 parts of high effective additives obtained by the above-mentioned first step
5~15 parts of ethylene oxide
Sodium carbonate or 0.2~1.0 part of sodium acetate catalyst
Third step reacted under the conditions of 30 DEG C~60 DEG C by the mixture of following parts by weight of component be inhibited within 1~3 hour agent at
Product:
2 100 parts of high effective additives obtained by above-mentioned second step
Sodium metaperiodate or 1~12 part of hydrogen peroxide
Ferrous sulfate or 0.2~1.0 part of bluestone catalyst
The starch is cornstarch, tapioca, wheaten starch.
2. a kind of production method of iron mineral inhibitor according to claim 1, it is characterised in that: the first step by
The mixture of following parts by weight of component reacts 2 hours under the conditions of 82 DEG C~85 DEG C obtains high effective additives 1:
100 parts of cornstarch
0.6~1.0 part of ethyl alcohol sodium catalyst
7~10 parts of sodium chloroacetate
The second step is reacted 4~5 hours under the conditions of 73 DEG C~75 DEG C by the mixture of following parts by weight of component obtains height
Imitate auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
7~8 parts of ethylene oxide
0.4~0.8 part of sodium acetate catalyst
Third step reacted under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component be inhibited within 2~3 hours agent at
Product:
2 100 parts of high effective additives obtained by above-mentioned second step
2~3 parts of sodium metaperiodate
0.3~0.4 part of bluestone catalyst.
3. a kind of production method of iron mineral inhibitor according to claim 1, it is characterised in that: the first step by
The mixture of following parts by weight of component reacts 2 hours under the conditions of 82 DEG C~85 DEG C obtains high effective additives 1:
100 parts of tapioca
2.0~3.0 parts of sodium hydroxide catalyst
8~11 parts of sodium chloroacetate
The second step is reacted 4~5 hours under the conditions of 72 DEG C~75 DEG C by the mixture of following parts by weight of component obtains height
Imitate auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
7~8 parts of ethylene oxide
0.4~0.8 part of sodium carbonate catalyst
Third step reacted under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component be inhibited within 2~3 hours agent at
Product:
2 100 parts of high effective additives obtained by above-mentioned second step
7~10 parts of hydrogen peroxide
0.3~0.4 part of ferrous sulfate catalyst.
4. a kind of production method of iron mineral inhibitor according to claim 1, it is characterised in that: the first step by
The mixture of following parts by weight of component reacts 2 hours under the conditions of 82 DEG C~85 DEG C obtains high effective additives 1:
100 parts of wheaten starch
2.0~3.0 parts of sodium hydroxide catalyst
8~11 parts of sodium chloroacetate
The second step is reacted 4~5 hours under the conditions of 73 DEG C~75 DEG C by the mixture of following parts by weight of component obtains height
Imitate auxiliary agent 2:
1 100 parts of high effective additives obtained by the above-mentioned first step
7~8 parts of ethylene oxide
0.4~0.8 part of sodium carbonate catalyst
Third step reacted under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component be inhibited within 2~3 hours agent at
Product:
2 100 parts of high effective additives obtained by above-mentioned second step
7~10 parts of hydrogen peroxide
0.3~0.4 part of ferrous sulfate catalyst.
5. the iron mineral inhibitor obtained such as Claims 1 to 4 any one production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177011.0A CN106824550B (en) | 2017-03-22 | 2017-03-22 | A kind of iron mineral inhibitor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177011.0A CN106824550B (en) | 2017-03-22 | 2017-03-22 | A kind of iron mineral inhibitor and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106824550A CN106824550A (en) | 2017-06-13 |
| CN106824550B true CN106824550B (en) | 2018-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710177011.0A Withdrawn - After Issue CN106824550B (en) | 2017-03-22 | 2017-03-22 | A kind of iron mineral inhibitor and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107961902B (en) * | 2017-11-22 | 2019-10-18 | 北京矿冶研究总院 | Composite inhibitor for inhibiting gangue contained in copper minerals and use method and application thereof |
| CN108620240B (en) * | 2018-05-22 | 2019-10-08 | 中南大学 | A kind of sulfide mineral inhibitor of bismuth and its application |
| CN108787176B (en) * | 2018-05-22 | 2019-11-08 | 中南大学 | A kind of application of the based compound containing peroxide |
| CN112774869B (en) * | 2020-12-25 | 2022-09-16 | 厦门紫金矿冶技术有限公司 | Pyrite inhibitor, preparation thereof and application thereof in copper-lead-zinc multi-metal sulfide ores |
| CN114011582B (en) * | 2021-11-09 | 2022-08-16 | 昆明理工大学 | Flotation method for improving beneficiation index of gold-bearing copper sulfide ore |
| CN114011581B (en) * | 2021-11-09 | 2023-03-24 | 昆明理工大学 | Preparation method and application of inhibitor for copper-sulfur separation under weak acidic condition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1081091C (en) * | 1999-03-26 | 2002-03-20 | 清华大学 | Process for preparing iron ore antifloating inhibitor |
| CN1141184C (en) * | 2001-01-11 | 2004-03-10 | 徐井春 | Reverse floatation depressant of iron ore and its preparing process |
| CN102443071B (en) * | 2011-11-16 | 2015-10-14 | 广西大学 | Composite modified starch as hematite reverse flotation inhibitor and preparation method thereof |
| CN103567078A (en) * | 2013-11-13 | 2014-02-12 | 鞍钢集团矿业公司 | Carboxymethyl starch inhibitor for reverse flotation of hematite |
| CN104190549A (en) * | 2014-09-03 | 2014-12-10 | 鞍钢集团矿业公司 | Composite inhibitor for reverse flotation of hematite |
| CN104437889A (en) * | 2014-12-09 | 2015-03-25 | 鞍钢集团矿业公司 | Hematite anti-floatation depressor |
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