CN111495607A - Scheelite flotation collector - Google Patents
Scheelite flotation collector Download PDFInfo
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- CN111495607A CN111495607A CN202010456475.7A CN202010456475A CN111495607A CN 111495607 A CN111495607 A CN 111495607A CN 202010456475 A CN202010456475 A CN 202010456475A CN 111495607 A CN111495607 A CN 111495607A
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- Prior art keywords
- scheelite
- flotation collector
- mixture
- scheelite flotation
- collector
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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
- B03D1/018—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
- B03D2201/02—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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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a scheelite flotation collector and a preparation method thereof. The scheelite flotation collector provided by the invention comprises the following preparation raw materials in parts by weight: 25 to 50 weight percent of benzohydroxamic acid, 50 to 75 weight percent of modified fatty acid and 0.5 to 2 weight percent of water glass. The scheelite flotation collector is used for scheelite flotation, has good low temperature resistance, good selectivity and strong collection capability, and can obtain scheelite rough concentrate with higher grade and higher recovery rate. The preparation method of the scheelite flotation collector has the advantages of wide raw material source and simple preparation process, the prepared scheelite flotation collector has good solubility, strong collecting force, good selectivity and low temperature resistance, and the fine scheelite grade can be effectively improved after the components are cooperated, so that the mineral separation technical index is effectively improved, the economic benefit is remarkable, and the market popularization prospect is good.
Description
Technical Field
The invention relates to a flotation collector, in particular to a scheelite flotation collector and a preparation method thereof, belonging to the technical field of mineral flotation collectors.
Background
More than 20 tungsten minerals and tungsten-containing substances discovered in the nature, but only wolframite and scheelite are worth mining, although the tungsten ore resources in China are large in reserves, the tungsten ore resources are fine in granularity and many in associated metals, but poor, fine and miscellaneous ore deposits in the scheelite reserves account for the majority, the flotation process is the most important beneficiation method for the scheelite, the resources are gradually exhausted in recent years, and the efficient development and utilization of the tungsten ore becomes an important problem which needs to be solved for realizing the efficient utilization of the resources.
CN106733217A discloses a preparation method of a flotation collector for high-calcium scheelite, which comprises the following steps: (1) adding hydroxylamine hydrochloride aqueous solution into oil residue in the coconut oil refining process, then dropwise adding sodium hydroxide solution for reaction, carrying out acidification treatment after the reaction is finished, then dehydrating and washing to obtain coconut oil alkyl hydroximic acid, (2) compounding the obtained coconut oil alkyl hydroximic acid and soybean oleic acid to form a mixture, and finally carrying out saponification treatment to obtain the high-calcium scheelite flotation collector; the high-calcium scheelite flotation collector prepared by the preparation method can realize the high-efficiency separation of scheelite and calcium-containing minerals in the high-calcium scheelite, and has the advantages of simple preparation process, stable product performance, high flotation index, stable foam, strong adaptability, low cost, no toxicity and suitability for industrial popularization and application. However, the high-calcium scheelite flotation collector disclosed by the invention is low in cost and non-toxic, and when the high-calcium scheelite flotation collector is used for mineral separation, multiple times of roughing, scavenging and fine separation are required to obtain a good separation effect, and the process conditions are complex.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the scheelite flotation collector which has good low temperature resistance, good selectivity and strong collecting capability. The benzohydroxamic acid and the water glass are added into the oleic acid collecting agent and are fully and uniformly mixed, the aromatic hydrocarbon hydroximic acid has a benzene ring and has a P-P conjugated effect, and the stability of a chelate can be effectively enhanced, so that the selectivity and the collecting capability of the chelate are superior to those of common alkanyl and cycloalkyl hydroximic acids. The floatability of tungsten ore can be obviously improved by using the combination of the benzohydroxamic acid chelating collector and the modified fatty acid collector.
The invention also aims to provide a preparation method of the scheelite flotation collector, which has the advantages of simple process, easy control of operation, wide raw material source, low cost, safety, environmental protection, high product recovery rate and easy realization of industrial production.
The invention adopts the following technical scheme to realize the aim, and the scheelite flotation collector is characterized by comprising benzohydroxamic acid, modified fatty acid and water glass.
More preferably, the scheelite flotation collector is prepared from the following raw materials in percentage by weight.
25% -50% of benzohydroxamic acid;
50% -75% of modified fatty acid;
0.5 to 2 percent of water glass
Preferably, the ilmenite flotation collector is prepared from the following raw materials in percentage by weight.
28% -34% of benzohydroxamic acid;
65% -71% of modified fatty acid;
1 to 2 percent of water glass
The preparation method of the scheelite flotation collector is characterized by comprising the following steps: weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to obtain the scheelite flotation collector.
The scheelite flotation collector raw material is safe and non-toxic, aromatic hydrocarbon hydroximic acid has a benzene ring, and a P-P conjugation effect exists, so that the stability of a chelate can be effectively enhanced, and the selectivity and the collecting capability of the scheelite flotation collector are superior to those of common chain alkyl and cycloalkyl hydroximic acid. The flotation performance of tungsten ore can be obviously improved by using the combination of the benzohydroxamic acid chelating collector and the modified fatty acid collector, which is beneficial to concentration and improves the grade of concentrate.
The ilmenite flotation collector is different from the traditional flotation agent, does not contain heavy metal arsenic and the like, and is safe and environment-friendly.
The preparation method of the ilmenite flotation collector is simple, easy to control in operation and low in cost, and is very suitable for industrial production.
The ilmenite flotation collector disclosed by the invention has excellent water solubility in the use process, is beneficial to dissolving a medicament in ore pulp, and is convenient to use.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features or steps are mutually exclusive.
Any feature disclosed in this specification may be replaced by an alternative feature, which is equivalent or similar, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example 1
The scheelite flotation collector of the embodiment is prepared from the following raw materials in percentage by weight: 28% of benzohydroxamic acid, 71% of modified fatty acid and 1% of water glass, respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to prepare the scheelite flotation collector.
By adopting the prepared scheelite flotation collector, raw ore with flotation grade of 0.39% is adopted, the grade of the obtained titanium concentrate reaches 1.28%, and the recovery rate is a good index of 88.51%.
Example 2
The scheelite flotation collector of the embodiment is prepared from the following raw materials in percentage by weight: 30% of benzohydroxamic acid, 69% of modified fatty acid and 1% of water glass, respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to prepare the scheelite flotation collector.
By adopting the prepared scheelite flotation collector, raw ore with flotation grade of 0.39% is adopted, the grade of the obtained titanium concentrate reaches 1.29%, and the recovery rate is a good index of 88.38%.
Example 3
The scheelite flotation collector of the embodiment is prepared from the following raw materials in percentage by weight: 32% of benzohydroxamic acid, 67% of modified fatty acid and 1% of water glass, respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to prepare the scheelite flotation collector.
By adopting the prepared scheelite flotation collector, raw ore with flotation grade of 0.39 percent is adopted, and the obtained titanium concentrate has a good index with grade of 1.32 percent and recovery rate of 88.89 percent.
Example 4
The scheelite flotation collector of the embodiment is prepared from the following raw materials in percentage by weight: 34% of benzohydroxamic acid, 65% of modified fatty acid and 1% of water glass, respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to prepare the scheelite flotation collector.
By adopting the prepared scheelite flotation collector, raw ore with flotation grade of 0.39% is adopted, the grade of the obtained titanium concentrate reaches 1.31%, and the recovery rate is a good index of 88.49%.
Example 5
The scheelite flotation collector of the embodiment is prepared from the following raw materials in percentage by weight: 28% of benzohydroxamic acid, 70% of modified fatty acid and 2% of water glass, respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to prepare the scheelite flotation collector.
By adopting the prepared scheelite flotation collector, raw ore with flotation grade of 0.39% is adopted, the grade of the obtained titanium concentrate reaches 1.30%, and the recovery rate is a good index of 88.69%.
Example 6
The scheelite flotation collector of the embodiment is prepared from the following raw materials in percentage by weight: 30% of benzohydroxamic acid, 68% of modified fatty acid and 2% of water glass, respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to prepare the scheelite flotation collector.
By adopting the prepared scheelite flotation collector, raw ore with flotation grade of 0.39% is adopted, the grade of the obtained titanium concentrate reaches 1.34%, and the recovery rate is a good index of 89.35%.
Example 7
The scheelite flotation collector of the embodiment is prepared from the following raw materials in percentage by weight: 32% of benzohydroxamic acid, 66% of modified fatty acid and 2% of water glass, respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to prepare the scheelite flotation collector.
By adopting the prepared scheelite flotation collector, raw ore with flotation grade of 0.39% is adopted, and the obtained titanium concentrate has a grade of 1.34% and a recovery rate of 89.96%.
Example 8
The scheelite flotation collector of the embodiment is prepared from the following raw materials in percentage by weight: 34% of benzohydroxamic acid, 64% of modified fatty acid and 2% of water glass, respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, stirring the mixture for 1 hour, and uniformly stirring the mixture to prepare the scheelite flotation collector.
By adopting the prepared scheelite flotation collector, raw ore with flotation grade of 0.39% is adopted, the grade of the obtained titanium concentrate reaches 1.35%, and the recovery rate is a good index of 89.91%.
The foregoing embodiments illustrate the principles, principal features and advantages of the invention, and it will be understood by those skilled in the art that the invention is not limited to the foregoing embodiments, which are merely illustrative of the principles of the invention, and that various changes and modifications may be made therein without departing from the scope of the principles of the invention.
Claims (3)
1. A scheelite flotation collector is characterized in that: the raw materials comprise the following components in parts by weight: 25 to 50 weight percent of benzohydroxamic acid, 50 to 75 weight percent of modified fatty acid and 0.5 to 2 weight percent of water glass.
2. The preparation method of the scheelite flotation collector according to claim 1, which is characterized by comprising the following steps: respectively weighing the raw materials according to the weight percentage, heating the modified fatty acid to 60-70 ℃, adding the benzohydroxamic acid into the mixture, stirring the mixture, adding the water glass into the mixture, and uniformly stirring the mixture to prepare the scheelite flotation collector.
3. The method for preparing the scheelite flotation collector according to claim 2, wherein the method comprises the following steps: the final stirring time was 1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456475.7A CN111495607A (en) | 2020-05-26 | 2020-05-26 | Scheelite flotation collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456475.7A CN111495607A (en) | 2020-05-26 | 2020-05-26 | Scheelite flotation collector |
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| CN111495607A true CN111495607A (en) | 2020-08-07 |
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| CN202010456475.7A Pending CN111495607A (en) | 2020-05-26 | 2020-05-26 | Scheelite flotation collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705354A (en) * | 2020-11-16 | 2021-04-27 | 广东省科学院资源综合利用研究所 | Beneficiation method for high-calcium scheelite |
| CN113000220A (en) * | 2021-03-27 | 2021-06-22 | 河南天鸿选矿科技有限公司 | Scheelite flotation collector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213942A (en) * | 1978-01-23 | 1980-07-22 | Groupe Minier Sullivan Ltee/Sullivan Mining Group Ltd. | Process for the concentration of mineral by flotation process |
| CN104084315A (en) * | 2014-07-10 | 2014-10-08 | 湖南柿竹园有色金属有限责任公司 | Beneficiation method for separating fluorite and tungsten through flotation |
| CN107470031A (en) * | 2016-06-08 | 2017-12-15 | 长沙矿山研究院有限责任公司 | A kind of preparation method and applications of oxide mineral collector |
| CN109127120A (en) * | 2018-07-04 | 2019-01-04 | 广东省资源综合利用研究所 | A kind of beneficiation method of tungsten tin mine object |
| CN109590115A (en) * | 2018-12-24 | 2019-04-09 | 中南大学 | A kind of mineral floating collecting agent and its preparation method and application |
| CN106733217B (en) * | 2017-04-07 | 2019-06-11 | 安徽工业大学 | A kind of high calcareous Scheelite Flotation collecting agent and its preparation method and application method |
-
2020
- 2020-05-26 CN CN202010456475.7A patent/CN111495607A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213942A (en) * | 1978-01-23 | 1980-07-22 | Groupe Minier Sullivan Ltee/Sullivan Mining Group Ltd. | Process for the concentration of mineral by flotation process |
| CN104084315A (en) * | 2014-07-10 | 2014-10-08 | 湖南柿竹园有色金属有限责任公司 | Beneficiation method for separating fluorite and tungsten through flotation |
| CN107470031A (en) * | 2016-06-08 | 2017-12-15 | 长沙矿山研究院有限责任公司 | A kind of preparation method and applications of oxide mineral collector |
| CN106733217B (en) * | 2017-04-07 | 2019-06-11 | 安徽工业大学 | A kind of high calcareous Scheelite Flotation collecting agent and its preparation method and application method |
| CN109127120A (en) * | 2018-07-04 | 2019-01-04 | 广东省资源综合利用研究所 | A kind of beneficiation method of tungsten tin mine object |
| CN109590115A (en) * | 2018-12-24 | 2019-04-09 | 中南大学 | A kind of mineral floating collecting agent and its preparation method and application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705354A (en) * | 2020-11-16 | 2021-04-27 | 广东省科学院资源综合利用研究所 | Beneficiation method for high-calcium scheelite |
| CN113000220A (en) * | 2021-03-27 | 2021-06-22 | 河南天鸿选矿科技有限公司 | Scheelite flotation collector |
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Application publication date: 20200807 |
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