CN107716116A - A kind of preparation method and applications of iron ore collecting agent in reverse floatation - Google Patents
A kind of preparation method and applications of iron ore collecting agent in reverse floatation Download PDFInfo
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- CN107716116A CN107716116A CN201710941282.9A CN201710941282A CN107716116A CN 107716116 A CN107716116 A CN 107716116A CN 201710941282 A CN201710941282 A CN 201710941282A CN 107716116 A CN107716116 A CN 107716116A
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- China
- Prior art keywords
- iron ore
- collecting agent
- product
- mass ratio
- reverse floatation
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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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—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
- 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
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention provides a kind of preparation method and applications of iron ore collecting agent in reverse floatation, belongs to technical field of beneficiation.The preparation method comprises the following steps：(1) by gutter oil, methanol and the concentrated sulfuric acid gutter oil in mass ratio：Methanol：The concentrated sulfuric acid=1.0~1.2：1.1~1.8：0.05~0.09 mixes, and stirring reaction 5~12 hours, obtains product 1 at 60~90 DEG C；(2) by hydroxylamine hydrochloride, water and sodium hydroxide hydroxylamine hydrochloride in mass ratio：Water：Sodium hydroxide=1.0~1.3：6.4~9.3：1.9~2.4 mix, and stirring reaction 1~3 hour, obtains product 2 at 20~30 DEG C；(3) by the product 1 in mass ratio of product 1：Product 2=1.0~1.2：0.28~0.48 adds in product 2, and stirring reaction 4~6 hours, produce collecting agent at 40~60 DEG C.Collecting agent raw material sources of the invention are extensive, preparation technology is simple, have the characteristics of solubility property is good, selectivity is good, dosage is few, environment-friendly, suitable for the iron ore low temperature Counterfloatating desiliconization of middle-low grade, effectively reduce and heat energy consumption, remarkable in economical benefits.
Description
Technical field
The present invention relates to technical field of beneficiation, particularly relates to a kind of preparation method of iron ore collecting agent in reverse floatation and its answers
With.
Background technology
The t of iron ore deposit reserves 380~41,000,000,000 has been verified in China, and therein 97% needs to carry out ore dressing processing.With China
The fast development of steel and iron industry, domestic iron ore deposit depletion rate are accelerated, and iron ore imports amount increased from 0.33 hundred million t of 1993
To 6.20 hundred million t of 2010.By the utilization of Past 50 Years, on the one hand, the resource of magnetite reverse side that China easily selects faces
The situation of worsening shortages, standby iron ore, iron ore mine are substantially insufficient；On the other hand, the magnetic iron ore mine of the relatively good choosing in China is most
Deep production period is entered, mining cost raises year by year.Iron ore reverse flotation mainly uses anionic species collecting agent, including fat
Acid collector, but be that poor selectivity, dosage be big, at normal temperatures soluble and scattered the shortcomings that conventional collecting agent in reverse floatation
Property is poor.Therefore, research and develop utilization and related industries of the new and effective collecting agent in reverse floatation for iron ore deposit can
Sustainable development has very great meaning.
The content of the invention
The present invention is for collecting agent poor selectivity present in existing iron ore reverse flotation, dosage is big, at normal temperatures solvable
A kind of the problems such as property and bad dispersibility, there is provided preparation method and applications of iron ore collecting agent in reverse floatation.
The preparation method comprises the following steps：
(1) by gutter oil, methanol and the concentrated sulfuric acid gutter oil in mass ratio：Methanol：The concentrated sulfuric acid=1.0~1.2：1.1~
1.8：0.05~0.09 mixing, stirring reaction 5~12 hours at 60~90 DEG C, obtains product 1；
(2) by hydroxylamine hydrochloride, water and sodium hydroxide hydroxylamine hydrochloride in mass ratio：Water：Sodium hydroxide=1.0~1.3：6.4
~9.3：1.9~2.4 mixing, stirring reaction 1~3 hour at 20~30 DEG C, obtain product 2；
(3) by the product 1 in mass ratio of product 1：Product 2=1.0~1.2：0.28~0.48 adds in product 2,40~
Stirring reaction 4~6 hours at 60 DEG C, produce iron ore collecting agent in reverse floatation.
The process for carrying out iron ore reverse flotation using above-mentioned obtained collecting agent is as follows：
First, by raw ore iron ore grinding to monomer dissociation, inhibitor is then added, adds activator, then add step
(3) gained collecting agent carries out collecting to iron ore in, wherein, the total dosage of collecting agent is：300~3000g/t.
Wherein, flotation pulp pH value is 8~13, and slurry pH is adjusted by sodium carbonate or sodium hydroxide.
Inhibitor used is starch, and the total dosage of starch is 400~4000g/t.
Activator used is one kind of lime or calcium chloride, and the total dosage of activator is 200~2000g/t.
In above-mentioned floatation process, collecting agent used is added using stoste.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In such scheme, raw material sources extensively, simple production process, good dispersion, slurry temperature it is applied widely, specifically
Advantage is as follows：
(1) raw material gutter oil wide material sources, cost is cheap, and production technology can make full use of threatening environment and food security
Gutter oil, realize pollution control and comprehensive utilization double effectses；
(2) simple production process, green technique is belonged to, it is easy to accomplish industrialization, have broad application prospects；
(3) collecting agent is selectively good, soluble in water, good dispersion, is affected by temperature small, has at normal temperatures relatively good
Separating effect, excellent floatation indicators can be reached.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
The present invention is for collecting agent poor selectivity present in existing iron ore reverse flotation, dosage is big, at normal temperatures can
A kind of the problems such as dissolubility and bad dispersibility, there is provided preparation method and applications of iron ore collecting agent in reverse floatation.
Embodiment 1
One example of the preparation method of iron ore collecting agent in reverse floatation of the present invention, comprises the following steps：
(1) by gutter oil, methanol and the concentrated sulfuric acid gutter oil in mass ratio：Methanol：The concentrated sulfuric acid=1.0：1.1：0.05 mixing,
Stirring reaction 5 hours at 60 DEG C, obtain product 1；
(2) by hydroxylamine hydrochloride, water and sodium hydroxide hydroxylamine hydrochloride in mass ratio：Water：Sodium hydroxide=1.0：6.4：It is 1.9 mixed
Close, stirring reaction 1 hour at 20 DEG C, obtain product 2；
(3) by the product 1 in mass ratio of product 1：Product 2=1.0：0.28 adds in product 2, the stirring reaction 4 at 40 DEG C
Hour, produce iron ore collecting agent in reverse floatation.
Embodiment 2
Another example of the preparation method of iron ore collecting agent in reverse floatation of the present invention, comprises the following steps：
(1) by gutter oil, methanol and the concentrated sulfuric acid gutter oil in mass ratio：Methanol：The concentrated sulfuric acid=1.2：1.8：0.09 mixing,
Stirring reaction 12 hours at 90 DEG C, obtain product 1；
(2) by hydroxylamine hydrochloride, water and sodium hydroxide hydroxylamine hydrochloride in mass ratio：Water：Sodium hydroxide=1.3：9.3：It is 2.4 mixed
Close, stirring reaction 3 hours at 30 DEG C, obtain product 2；
(3) by the product 1 in mass ratio of product 1：Product 2=1.2：0.48 adds in product 2, and stirring reaction 6 is small at 60 DEG C
When, produce iron ore collecting agent in reverse floatation.
Embodiment 3
The present embodiment is application example of the iron ore collecting agent in reverse floatation in reverse flotation iron ore.
Certain iron ore sample ore, raw ore ferrous grade are 56.92%, SiO211.28%, by ore ore grinding to mineral monomer solution
It is 9 to adjust slurry pH from rear addition sodium carbonate, then adds starch 600g/t and makees inhibitor, adds lime 400g/t and activate
Agent, then add obtained collecting agent 800g/t in embodiment 1 to carry out roughing flotation to iron ore, scan and add lime 100g/t, collecting
Agent 200g/t, primary cleaning add starch 200g/t, and recleaning adds starch 100g/t.As a result show to use above medicament bar
Part can be effectively by iron ore reverse flotation, to ore deposit ferrous grade 56.92%, SiO2Under the conditions of 11.28%, by one roughing
Once purging selection and selected twice, Iron grade is obtained as 63.78%, SiO24.81%, iron recovery is 93.23% flotation iron
Concentrate.
Embodiment 4
The present embodiment is another application example of the iron ore collecting agent in reverse floatation in reverse flotation iron ore.
Certain iron ore sample ore, raw ore ferrous grade are 63.17%, SiO26.39%, ore ore grinding to mineral monomer is dissociated
It is 10 to add sodium hydroxide afterwards and adjust slurry pH, then adds starch 800g/t and makees inhibitor, adds calcium chloride 300g/t works
Activator, then add obtained collecting agent 1200g/t in embodiment 1 to carry out roughing flotation to iron ore, scan and add calcium chloride 100g/
T, collecting agent 300g/t, selected addition starch 300g/t.As a result show effectively to float iron ore is counter using above agentia condition
Choosing, to ore deposit ferrous grade 63.17%, SiO2Under the conditions of 6.39%, by one roughing once purging selection and primary cleaning, obtain
It is 69.57%, SiO to Iron grade22.15%, iron recovery is 97.03% flotation iron ore concentrate.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
- A kind of 1. preparation method of iron ore collecting agent in reverse floatation, it is characterised in that：Comprise the following steps：(1) by gutter oil, methanol and the concentrated sulfuric acid gutter oil in mass ratio：Methanol：The concentrated sulfuric acid=1.0~1.2：1.1~1.8： 0.05~0.09 mixing, stirring reaction 5~12 hours at 60~90 DEG C, obtains product 1；(2) by hydroxylamine hydrochloride, water and sodium hydroxide hydroxylamine hydrochloride in mass ratio：Water：Sodium hydroxide=1.0~1.3：6.4~ 9.3：1.9~2.4 mixing, stirring reaction 1~3 hour at 20~30 DEG C, obtain product 2；(3) by the product 1 in mass ratio of product 1：Product 2=1.0~1.2：0.28~0.48 adds in product 2, at 40~60 DEG C Lower stirring reaction 4~6 hours, produces iron ore collecting agent in reverse floatation.
- 2. the application of iron ore collecting agent in reverse floatation according to claim 1, it is characterised in that：First, by raw ore iron ore Then ore grinding adds inhibitor, adds activator, then add gained collecting agent in step (3) to enter iron ore to monomer dissociation Row collecting, wherein, the total dosage of collecting agent is：300~3000g/t.
- 3. the application of iron ore collecting agent in reverse floatation according to claim 2, it is characterised in that：The flotation pulp pH value is 8~13, slurry pH is adjusted by sodium carbonate or sodium hydroxide.
- 4. the application of iron ore collecting agent in reverse floatation according to claim 2, it is characterised in that：The inhibitor is starch, The total dosage of starch is 400~4000g/t.
- 5. the application of iron ore collecting agent in reverse floatation according to claim 2, it is characterised in that：The activator be lime or One kind of calcium chloride, the total dosage of activator are 200~2000g/t.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710941282.9A CN107716116A (en) | 2017-10-11 | 2017-10-11 | A kind of preparation method and applications of iron ore collecting agent in reverse floatation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710941282.9A CN107716116A (en) | 2017-10-11 | 2017-10-11 | A kind of preparation method and applications of iron ore collecting agent in reverse floatation |
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| CN107716116A true CN107716116A (en) | 2018-02-23 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401638A (en) * | 1981-12-21 | 1983-08-30 | Materias Primas, Monterrey, S.A. | Process for purifying silica sand |
| JPS6438153A (en) * | 1987-08-05 | 1989-02-08 | Shinetsu Chemical Co | Method for recovering valuable substance from ground chip of high-functional material |
| CN101088623A (en) * | 2007-06-28 | 2007-12-19 | 武汉理工大学 | Mineral floating collecting agent and its prepn process |
| CN101274302A (en) * | 2008-05-16 | 2008-10-01 | 东北大学 | Stepped-flotation separation method for iron ore containing carbonas |
| CN101428248A (en) * | 2008-11-04 | 2009-05-13 | 中钢集团马鞍山矿山研究院有限公司 | Beneficiation method for recycling specularite |
| CN101912822A (en) * | 2010-08-23 | 2010-12-15 | 长沙矿冶研究院 | Negative/positive ion collector for iron ore flotation and preparation method thereof |
| CN107185723A (en) * | 2017-07-26 | 2017-09-22 | 平顶山华兴浮选工程技术服务有限公司 | A kind of low-grade bauxite direct flotation collecting agent and preparation method thereof |
-
2017
- 2017-10-11 CN CN201710941282.9A patent/CN107716116A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401638A (en) * | 1981-12-21 | 1983-08-30 | Materias Primas, Monterrey, S.A. | Process for purifying silica sand |
| JPS6438153A (en) * | 1987-08-05 | 1989-02-08 | Shinetsu Chemical Co | Method for recovering valuable substance from ground chip of high-functional material |
| CN101088623A (en) * | 2007-06-28 | 2007-12-19 | 武汉理工大学 | Mineral floating collecting agent and its prepn process |
| CN101274302A (en) * | 2008-05-16 | 2008-10-01 | 东北大学 | Stepped-flotation separation method for iron ore containing carbonas |
| CN101428248A (en) * | 2008-11-04 | 2009-05-13 | 中钢集团马鞍山矿山研究院有限公司 | Beneficiation method for recycling specularite |
| CN101912822A (en) * | 2010-08-23 | 2010-12-15 | 长沙矿冶研究院 | Negative/positive ion collector for iron ore flotation and preparation method thereof |
| CN107185723A (en) * | 2017-07-26 | 2017-09-22 | 平顶山华兴浮选工程技术服务有限公司 | A kind of low-grade bauxite direct flotation collecting agent and preparation method thereof |
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Application publication date: 20180223 |
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