CN106824550A - 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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- CN106824550A CN106824550A CN201710177011.0A CN201710177011A CN106824550A CN 106824550 A CN106824550 A CN 106824550A CN 201710177011 A CN201710177011 A CN 201710177011A CN 106824550 A CN106824550 A CN 106824550A
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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 claims abstract description 17
- 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 22
- 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
- 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
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 11
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 11
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 11
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 11
- 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
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 13
- 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
- 230000000694 effects Effects 0.000 claims description 4
- SSVFMICWXDVRQN-UHFFFAOYSA-N ethanol;sodium Chemical compound [Na].CCO SSVFMICWXDVRQN-UHFFFAOYSA-N 0.000 claims description 3
- JECYNCQXXKQDJN-UHFFFAOYSA-N 2-(2-methylhexan-2-yloxymethyl)oxirane Chemical compound CCCCC(C)(C)OCC1CO1 JECYNCQXXKQDJN-UHFFFAOYSA-N 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
- 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
- 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
- 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 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
- 229940084030 carboxymethylcellulose calcium Drugs 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 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)
- Epoxy Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of preparation method of iron mineral inhibitor：The first step is reacted 1~4h and obtains auxiliary agent (1) by following parts by weight of component mixture at 60 DEG C~90 DEG C：0.5~4.0 part of 100 parts of cornstarch, tapioca or wheaten starch, caustic alcohol or NaOH, 5~15 parts of sodium chloroacetate, second step react 3~6h and obtain auxiliary agent (2) by following parts by weight of component mixture at 50 DEG C~80 DEG C：0.2~1.0 part of (1) 100 part of the auxiliary agent obtained by the above-mentioned first step, 5~15 parts of oxirane, sodium carbonate or sodium acetate, the 3rd step are reacted at 30 DEG C~60 DEG C 1~3h by following parts by weight of component mixture and are inhibited agent finished product：(2) 100 parts of the auxiliary agent obtained by above-mentioned second step, sodium metaperiodate or 0.2~1.0 part of 1~12 part of hydrogen peroxide, ferrous sulfate or 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 technology
The inhibitor that floatation of iron mineral is used mainly has micromolecular inhibitor and the class of macromolecular inhibitor two.Little molecules in inhibiting
Agent has waterglass, calgon, tartaric acid etc.；Macromolecular inhibitor has starch, carboxymethylcellulose calcium, sodium humate, dextrin
With polyacrylamide etc..Most widely used in these inhibitor is cornstarch, when suppressing iron mineral using cornstarch, often
There is mine tailing grade high not enough.Its reason is cornstarch weaker to the ability to function of fine grained iron mineral, causes fine grained iron ore
Thing is easily accessible in mine tailing, causes Iron Grade of Tailings high, and iron recovery is low.
The content of the invention
It is an object of the invention to provide a kind of preparation method of iron mineral inhibitor, this inhibitor collection carboxyl, ethyoxyl
With aldehyde radical in one, the group acted on fine grained iron mineral is increased, increases the length that group is acted on particulate iron mineral,
Fine grained iron mineral can be suppressed in concentrate.Solve former cornstarch inhibitor weak to fine grained iron mineral ability to function,
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 realized by following technical proposals：
The present invention provides a kind of preparation method of iron mineral inhibitor, comprises the 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 and obtained within 1~4 hour efficiently
Auxiliary agent 1：
100 parts of starch
0.5~4.0 part of caustic alcohol or 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 and obtained within 3~6 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
5~15 parts of oxirane
0.2~1.0 part of sodium carbonate or sodium acetate catalyst
3rd step is reacted under the conditions of 30 DEG C~60 DEG C by the mixture of following parts by weight of component and is inhibited for 1~3 hour
Agent finished product：
2 100 parts of the high effective additives obtained by above-mentioned second step
1~12 part of sodium metaperiodate or hydrogen peroxide
0.2~1.0 part of ferrous sulfate or bluestone catalyst
Described starch is cornstarch, tapioca, wheaten starch.
The different preparation method of selection can obtain the inhibitor of different performance.
Further, in the above-mentioned technical solutions, a kind of preparation method of iron mineral inhibitor, it is preferable that including following steps
Suddenly：
The first step is reacted under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component and obtains high effective additives in 2 hours
1：
100 parts of cornstarch
0.6~1.0 part of ethanol 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 and obtained within 4~5 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
7~8 parts of oxirane
0.4~0.8 part of sodium acetate catalyst
3rd step is reacted under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component and is inhibited for 2~3 hours
Agent finished product：
2 100 parts of the 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 preparation method of iron mineral inhibitor, it is preferable that including following steps
Suddenly：
The first step is reacted under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component and obtains high effective additives in 2 hours
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 and obtained within 4~5 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
7~8 parts of oxirane
0.4~0.8 part of sodium carbonate catalyst
3rd step is reacted under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component and is inhibited for 2~3 hours
Agent finished product：
2 100 parts of the 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 preparation method of iron mineral inhibitor, it is preferable that including following steps
Suddenly：
The first step is reacted under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component and obtains high effective additives in 2 hours
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 and obtained within 4~5 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
7~8 parts of oxirane
0.4~0.8 part of sodium carbonate catalyst
3rd step is reacted under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component and is inhibited for 2~3 hours
Agent finished product：
2 100 parts of the 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 the iron mineral inhibitor that a kind of above-mentioned preparation method is obtained.
Invention beneficial effect
The present invention is pressed down by the iron mineral that three-step reaction forms carboxyl, ethyoxyl and carbonyl functional group on starch molecule
Preparation, this inhibitor is a kind of iron mineral grade polymeric inhibitor wide.Strengthened by groups such as hydroxyl, ether and carbonyls
With the useful effect of iron mineral, the selectivity acted on iron mineral is improve.Particularly significantly increase suppression fine grained iron ore
The ability to function of stone, expands the scope for suppressing iron ore particle diameter, considerably reduces flotation tailing, realizes " carrying iron drop tail "
Purpose.
Specific embodiment
Following non-limiting examples can make one of ordinary skill in the art be more fully understood the present invention, but not with
Any mode limits the present invention.
Embodiment 1
The first step is reacted under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component and obtains high effective additives in 2 hours
1：
100 parts of cornstarch
0.8 part of ethanol 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 and obtained within 4~5 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
8 parts of oxirane
0.6 part of sodium acetate catalyst
3rd step is reacted under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component and is inhibited for 2~3 hours
Agent finished product：
2 100 parts of the 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, 13 DEG C of floatation of iron ore temperature reduction,
Iron concentrate grade improves 0.2%, Iron Grade of Tailings reduction by 2.4%, unit consumption of medicine raising 20%.
Embodiment 2
The first step is reacted under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component and obtains high effective additives in 2 hours
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 and obtained within 4~5 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
8 parts of oxirane
0.6 part of sodium carbonate catalyst
3rd step is reacted under the conditions of 52 DEG C~55 DEG C by the mixture of following parts by weight of component and is inhibited for 2~3 hours
Agent finished product：
2 100 parts of the 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, 15 DEG C of floatation of iron ore temperature reduction,
Iron concentrate grade reduction by 0.15%, Iron Grade of Tailings reduction by 1.73, unit consumption of medicine improves 10%.
Embodiment 3
The first step is reacted under the conditions of 82 DEG C~85 DEG C by the mixture of following parts by weight of component and obtains high effective additives in 2 hours
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 and obtained within 4~5 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
8 parts of oxirane
0.8 part of sodium carbonate catalyst
3rd step is reacted under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component and is inhibited for 2~3 hours
Agent finished product：
2 100 parts of the 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, 14 DEG C of floatation of iron ore temperature reduction,
Iron concentrate grade reduction by 0.08%, Iron Grade of Tailings reduction by 1.54, unit consumption of medicine improves 12%.
Embodiment 4
The first step is reacted under the conditions of 80 DEG C~82 DEG C by the mixture of following parts by weight of component and obtains high effective additives in 2 hours
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 and obtained within 4~5 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
8 parts of oxirane
0.7 part of sodium carbonate catalyst
3rd step is reacted under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component and is inhibited for 2~3 hours
Agent finished product：
2 100 parts of the 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, 13 DEG C of floatation of iron ore temperature reduction,
Iron concentrate grade improves 0.02%, Iron Grade of Tailings reduction by 2.04%, unit consumption of medicine raising 12%.
Embodiment 5
The first step is reacted under the conditions of 82 DEG C~84 DEG C by the mixture of following parts by weight of component and obtains high effective additives in 2 hours
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 and obtained within 4~5 hours efficiently
Auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
8 parts of oxirane
0.3 part of sodium carbonate catalyst
3rd step is reacted under the conditions of 53 DEG C~55 DEG C by the mixture of following parts by weight of component and is inhibited for 2~3 hours
Agent finished product：
2 100 parts of the 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, 15 DEG C of floatation of iron ore temperature reduction,
Iron concentrate grade draft 0.05%, Iron Grade of Tailings reduction by 2.43%, unit consumption of medicine improves 11%.
Claims (5)
1. a kind of preparation method of iron mineral inhibitor, it is characterised in that comprise the 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 and obtains high effective additives 1 in 1~4 hour：
100 parts of starch
0.5~4.0 part of caustic alcohol or 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 and obtains high effective additives 2 in 3~6 hours：
1 100 parts of the high effective additives obtained by the above-mentioned first step
5~15 parts of oxirane
0.2~1.0 part of sodium carbonate or sodium acetate catalyst
3rd step reacts the agent finished product that is inhibited for 1~3 hour by the mixture of following parts by weight of component under the conditions of 30 DEG C~60 DEG C：
2 100 parts of the high effective additives obtained by above-mentioned second step
1~12 part of sodium metaperiodate or hydrogen peroxide
0.2~1.0 part of ferrous sulfate or bluestone catalyst
Described starch is cornstarch, tapioca, wheaten starch.
2. the preparation method of a kind of iron mineral inhibitor according to claim 1, it is characterised in that：The described first step by
The mixture of following parts by weight of component reacts under the conditions of 82 DEG C~85 DEG C and obtains high effective additives 1 in 2 hours：
100 parts of cornstarch
0.6~1.0 part of ethanol sodium catalyst
7~10 parts of sodium chloroacetate
Described second step is reacted under the conditions of 73 DEG C~75 DEG C by the mixture of following parts by weight of component and obtains height in 4~5 hours
Effect auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
7~8 parts of oxirane
0.4~0.8 part of sodium acetate catalyst
3rd step reacts the agent finished product that is inhibited for 2~3 hours by the mixture of following parts by weight of component under the conditions of 52 DEG C~55 DEG C：
2 100 parts of the high effective additives obtained by above-mentioned second step
2~3 parts of sodium metaperiodate
0.3~0.4 part of bluestone catalyst.
3. the preparation method of a kind of iron mineral inhibitor according to claim 1, it is characterised in that：The described first step by
The mixture of following parts by weight of component reacts under the conditions of 82 DEG C~85 DEG C and obtains high effective additives 1 in 2 hours：
100 parts of tapioca
2.0~3.0 parts of sodium hydroxide catalyst
8~11 parts of sodium chloroacetate
Described second step is reacted under the conditions of 72 DEG C~75 DEG C by the mixture of following parts by weight of component and obtains height in 4~5 hours
Effect auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
7~8 parts of oxirane
0.4~0.8 part of sodium carbonate catalyst
3rd step reacts the agent finished product that is inhibited for 2~3 hours by the mixture of following parts by weight of component under the conditions of 52 DEG C~55 DEG C：
2 100 parts of the 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. the preparation method of a kind of iron mineral inhibitor according to claim 1, it is characterised in that：The described first step by
The mixture of following parts by weight of component reacts under the conditions of 82 DEG C~85 DEG C and obtains high effective additives 1 in 2 hours：
100 parts of wheaten starch
2.0~3.0 parts of sodium hydroxide catalyst
8~11 parts of sodium chloroacetate
Described second step is reacted under the conditions of 73 DEG C~75 DEG C by the mixture of following parts by weight of component and obtains height in 4~5 hours
Effect auxiliary agent 2：
1 100 parts of the high effective additives obtained by the above-mentioned first step
7~8 parts of oxirane
0.4~0.8 part of sodium carbonate catalyst
3rd step reacts the agent finished product that is inhibited for 2~3 hours by the mixture of following parts by weight of component under the conditions of 53 DEG C~55 DEG C：
2 100 parts of the 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. such as right wants the iron mineral inhibitor that 1~4 any one preparation method is obtained.
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| 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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| 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 |
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| CN106824550A true CN106824550A (en) | 2017-06-13 |
| CN106824550B CN106824550B (en) | 2018-12-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107961902A (en) * | 2017-11-22 | 2018-04-27 | 北京矿冶研究总院 | Composite inhibitor for inhibiting gangue contained in copper minerals and use method and application thereof |
| 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 |
| CN108620240A (en) * | 2018-05-22 | 2018-10-09 | 中南大学 | A kind of sulfide mineral inhibitor of bismuth and its application |
| CN108787176A (en) * | 2018-05-22 | 2018-11-13 | 中南大学 | A kind of application of the based compound containing peroxide |
| CN108620240B (en) * | 2018-05-22 | 2019-10-08 | 中南大学 | A kind of sulfide mineral inhibitor of bismuth and its application |
| CN112774869A (en) * | 2020-12-25 | 2021-05-11 | 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 |
| CN114011581A (en) * | 2021-11-09 | 2022-02-08 | 昆明理工大学 | Preparation method and application of inhibitor for copper-sulfur separation under weak acidic condition |
| CN114011582A (en) * | 2021-11-09 | 2022-02-08 | 昆明理工大学 | Flotation method for improving beneficiation index of gold-bearing copper sulfide ore |
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