CN113546751A - One-stage flotation mica removing process for machine-made sand - Google Patents
One-stage flotation mica removing process for machine-made sand Download PDFInfo
- Publication number
- CN113546751A CN113546751A CN202110812768.9A CN202110812768A CN113546751A CN 113546751 A CN113546751 A CN 113546751A CN 202110812768 A CN202110812768 A CN 202110812768A CN 113546751 A CN113546751 A CN 113546751A
- Authority
- CN
- China
- Prior art keywords
- flotation
- mica
- machine
- sand
- product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 82
- 239000004576 sand Substances 0.000 title claims abstract description 79
- 238000005188 flotation Methods 0.000 title claims abstract description 74
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 51
- 239000010445 mica Substances 0.000 title claims abstract description 48
- 238000005406 washing Methods 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000002351 wastewater Substances 0.000 claims description 24
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000002562 thickening agent Substances 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 239000003112 inhibitor Substances 0.000 claims description 6
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims description 5
- 238000010907 mechanical stirring Methods 0.000 claims description 5
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- 239000003607 modifier Substances 0.000 claims description 4
- 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 claims description 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 2
- 244000060011 Cocos nucifera Species 0.000 claims description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000008394 flocculating agent Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229910052626 biotite Inorganic materials 0.000 abstract description 3
- 239000006227 byproduct Substances 0.000 abstract description 3
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052627 muscovite Inorganic materials 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 56
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- -1 ether amine Chemical class 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
-
- 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
Abstract
The invention discloses a one-stage flotation mica removing process for machine-made sand, which relates to the field of sand production and comprises a slurry mixing procedure, a flotation procedure, a sand washing procedure, a concentration procedure and a filtering procedure. Compared with the prior art, the invention has the beneficial effects that: the invention adopts a wet process, does not cause dust pollution of the surrounding environment, and is more environment-friendly than the traditional wind method; the invention adopts a flotation process, and has good effect on various micas such as biotite, muscovite and the like; the invention can obtain a purer byproduct mica for other purposes.
Description
Technical Field
The invention relates to the field of sandstone production, in particular to a one-stage flotation mica removing process for machine-made sand.
Background
At present, the variety of sand used for engineering is more and more, and river sand, lake sand, desalinized sea sand, mountain sand, machine-made sand produced by various mother rocks, egg broken sand and various sand have the characteristics. The mica which is a harmful component of part of sand is higher and even exceeds the highest content (not more than 2 percent) required by the national standard, so that the product quality is unqualified, the sand making of part of sand can not be normally used, and the resource waste and the economic loss are caused. The mica is removed by adopting wind power in the traditional dry method, and a large amount of dust is discharged by the wind power, so that the environmental dust pollution is easily caused; the traditional wet method adopts water washing to wash off a part of mica. The traditional method has limited effect, so that a mica removing process is needed to remove the overhigh mica content in the machine-made sand, so that the machine-made sand containing mica exceeding the standard meets the national standard requirement.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a one-stage flotation mica removing process for machine-made sand, which has the advantages of good mica removing effect and high production efficiency.
The purpose of the invention is achieved by the following technical scheme: the one-stage flotation mica removing process for the machine-made sand comprises the following steps:
step one, a size mixing procedure: fully mixing the raw material sand with water, and adding a regulator, an inhibitor and a collector to obtain a mixed product a;
step two, a flotation process: performing flotation on the product a obtained in the step one through flotation equipment to obtain a product b positioned in a foam layer of the flotation equipment and a product c positioned in a slurry layer of the flotation equipment;
step three, sand washing working procedure: washing sand of the product b obtained in the step two through sand washing equipment to obtain sand d and wastewater e after mica removal;
step four, a concentration process: concentrating the product c obtained in the step two through concentration and dehydration equipment to obtain concentrated ore pulp f and waste water g;
step five, a filtering process: and D, filtering the concentrated ore pulp f obtained in the fifth step through a filtering device to obtain mica h and wastewater i.
As a preferable technical scheme, the water content percentage of the product a in the step one is 45-85% by weight.
According to a preferable technical scheme, the modifier in the first step is one or two of sodium carbonate and lime, and 50-2000 g of the modifier is added to each ton of dry ore.
According to a preferable technical scheme, in the first step, the inhibitor is one or more of sodium hexametaphosphate, carboxymethyl cellulose, water glass and starch, and 150-3000 g of the inhibitor is added to each ton of dry ore.
According to a preferable technical scheme, in the first step, the primary collecting agent is one or more of dodecylamine, octadecylamine, cocoanut oil amine, ether amine and sodium oleate, and 10-500 g of the primary collecting agent is added to each ton of dry ores.
Preferably, in the second step, the flotation equipment is one or more of a mechanical stirring flotation machine, an inflatable flotation machine and an inflatable stirring flotation machine.
As a preferable technical scheme, the sand washing equipment in the third step is one or more of a sand washing machine, a sieve, a hydrocyclone and a spiral classifier.
As a preferable technical scheme, the concentration and dehydration equipment in the fourth step is one or two of a thickener and a concentration tank.
As a preferred technical scheme, adding 10-50 g of flocculating agent per ton in the fourth step according to the weight of solids; the water content of the concentrated ore pulp f is not more than 55 percent by mass.
As a preferable technical scheme, the filtering equipment in the fifth step is one or two of a filter press, a spiral hill type vacuum filter, a belt type vacuum filter and a ceramic filter.
The invention has the beneficial effects that:
1. the invention adopts a wet process, does not cause dust pollution of the surrounding environment, and is more environment-friendly than the traditional wind method;
2. the invention adopts a two-stage flotation process, and has good effect on various micas such as biotite, muscovite and the like;
3. the invention can obtain a purer byproduct mica for other purposes.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example 1: a one-stage flotation mica removing process for machine-made sand comprises the following steps:
step one, a size mixing procedure: fully mixing raw material sand with water, and adding 300g of sodium carbonate, 500g of carboxymethyl cellulose (CMC), 30g of dodecylamine and 50g of sodium oleate into each ton of dry ore to obtain a mixed product a, wherein the water content of the product a is 60 percent by weight;
step two, a flotation process: performing flotation on the product a obtained in the step one through a mechanical stirring type flotation machine to obtain a product b positioned in a foam layer of the flotation machine and a product c positioned in a pulp layer of the flotation machine;
step three, sand washing working procedure: washing sand of the product b obtained in the step two by a wheel type sand washer to obtain sand d and wastewater e after mica removal;
step four, a concentration process: concentrating the product c obtained in the step two by a thickener, and adding 30g of flocculant into each ton of the product c according to the weight of solid during concentration; obtaining concentrated ore pulp f and waste water g with the water content of 45 percent by mass;
step five, a filtering process: and (4) filtering the concentrated ore pulp f obtained in the fifth step through a spiral hill type vacuum filter to obtain mica h and wastewater i.
Example 2: a one-stage flotation mica removing process for machine-made sand comprises the following steps:
step one, a size mixing procedure: fully mixing the raw material sand with water, and adding 500g of sodium carbonate, 400g of sodium hexametaphosphate, 35g of octadecylamine and 40g of sodium oleate into each ton of dry ore to obtain a mixed product a, wherein the water content percentage of the product a is 60%;
step two, a flotation process: performing flotation on the product a obtained in the step one through an inflatable flotation machine to obtain a product b positioned in a foam layer of the flotation machine and a product c positioned in a pulp layer of the flotation machine;
step three, sand washing working procedure: washing sand from the product b obtained in the step two through a sieve to obtain sand d and wastewater e after mica removal;
step four, a concentration process: concentrating the product c obtained in the step two by a thickener, and adding 25g of flocculant into each ton of the product c according to the weight of solid during concentration; obtaining concentrated ore pulp f with water content of 52% and waste water g;
step five, a filtering process: and (4) filtering the concentrated ore pulp f obtained in the fifth step through a spiral hill type vacuum filter to obtain mica h and wastewater i.
Example 3: a one-stage flotation mica removing process for machine-made sand comprises the following steps:
step one, a size mixing procedure: fully mixing the raw material sand with water, and adding 800g of sodium carbonate, 1000g of water glass, 30g of cocoamine and 60g of sodium oleate into each ton of dry ore to obtain a mixed product a, wherein the water content percentage of the product a is 60%;
step two, a flotation process: performing flotation on the product a obtained in the step one through a mechanical stirring type flotation machine to obtain a product b positioned in a foam layer of the flotation machine and a product c positioned in a pulp layer of the flotation machine;
step three, sand washing working procedure: washing sand of the product b obtained in the step two by a wheel type sand washer to obtain sand d and wastewater e after mica removal;
step four, a concentration process: concentrating the product c obtained in the step two by a thickener, and adding 30g of flocculant into each ton of the product c according to the weight of solid during concentration; obtaining concentrated ore pulp f with the water content of 40% and waste water g;
step five, a filtering process: and (4) filtering the concentrated ore pulp f obtained in the fifth step through a belt type vacuum filter to obtain mica h and wastewater i.
Example 4: a one-stage flotation mica removing process for machine-made sand comprises the following steps:
step one, a size mixing procedure: fully mixing the raw material sand with water, and adding 300g of lime, 400g of starch, 30g of ether amine and 60g of sodium oleate into each ton of dry ore to obtain a mixed product a, wherein the water content of the product a is 60% by weight;
step two, a flotation process: performing flotation on the product a obtained in the step one through an air agitation type flotation machine to obtain a product b positioned in a foam layer of the flotation machine and a product c positioned in a pulp layer of the flotation machine;
step three, sand washing working procedure: washing sand of the product b obtained in the step two by a wheel type sand washer to obtain sand d and wastewater e after mica removal;
step four, a concentration process: concentrating the product c obtained in the step two by a thickener, and adding 25g of flocculant into each ton of the product c according to the weight of solid during concentration; obtaining concentrated ore pulp f and waste water g with the water content of 50 percent by mass;
step five, a filtering process: and (4) filtering the concentrated ore pulp f obtained in the fifth step through a spiral hill type vacuum filter to obtain mica h and wastewater i.
Example 5: a one-stage flotation mica removing process for machine-made sand comprises the following steps:
step one, a size mixing procedure: fully mixing the raw material sand with water, and adding 500g of sodium carbonate, 500g of lime, 300g of sodium hexametaphosphate, 500g of water glass, 30g of dodecylamine and 40g of sodium oleate into each ton of dry ore to obtain a mixed product a, wherein the water content percentage of the product a is 60%;
step two, a flotation process: performing flotation on the product a obtained in the step one through a mechanical stirring type flotation machine to obtain a product b positioned in a foam layer of the flotation machine and a product c positioned in a pulp layer of the flotation machine;
step three, sand washing working procedure: washing sand of the product b obtained in the step two by a wheel type sand washer to obtain sand d and wastewater e after mica removal;
step four, a concentration process: concentrating the product c obtained in the step two by a thickener, and adding 35g of flocculant into each ton of the product c according to the weight of solid during concentration; obtaining concentrated ore pulp f with the water content of 40% and waste water g;
step five, a filtering process: and (4) filtering the concentrated ore pulp f obtained in the fifth step through a spiral hill type vacuum filter to obtain mica h and wastewater i.
Example 6: a one-stage flotation mica removing process for machine-made sand comprises the following steps:
step one, a size mixing procedure: fully mixing the raw material sand with water, and adding 1000g of sodium carbonate, 500g of carboxymethyl cellulose (CMC), 500g of water glass, 30g of lauryl amine, 30g of coconut oil amine and 30g of sodium oleate into each ton of dry ore to obtain a mixed product a, wherein the water content percentage of the product a is 60%;
step two, a flotation process: performing flotation on the product a obtained in the step one through an inflatable flotation machine to obtain a product b positioned in a foam layer of the flotation machine and a product c positioned in a pulp layer of the flotation machine;
step three, sand washing working procedure: washing sand of the product b obtained in the step two through a spiral classifier to obtain sand d and wastewater e after mica removal;
step four, a concentration process: concentrating the product c obtained in the step two by a thickener, and adding 30g of flocculant into each ton of the product c according to the weight of solid during concentration; obtaining concentrated ore pulp f with the water content of 40% and waste water g;
step five, a filtering process: and (4) filtering the concentrated ore pulp f obtained in the fifth step through a spiral hill type vacuum filter to obtain mica h and wastewater i.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts a wet process, does not cause dust pollution of the surrounding environment, and is more environment-friendly than the traditional wind method;
2. the invention adopts a flotation process, and has good effect on various micas such as biotite, muscovite and the like;
3. the invention can obtain a purer byproduct mica for other purposes.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (10)
1. A one-stage flotation mica removing process for machine-made sand is characterized in that: the method comprises the following steps:
step one, a size mixing procedure: fully mixing the raw material sand with water, and adding a regulator, an inhibitor and a collector to obtain a mixed product a;
step two, a flotation process: performing flotation on the product a obtained in the step one through flotation equipment to obtain a product b positioned in a foam layer of the flotation equipment and a product c positioned in a slurry layer of the flotation equipment;
step three, sand washing working procedure: washing sand of the product b obtained in the step two through sand washing equipment to obtain sand d and wastewater e after mica removal;
step four, a concentration process: concentrating the product c obtained in the step two through concentration and dehydration equipment to obtain concentrated ore pulp f and waste water g;
step five, a filtering process: and D, filtering the concentrated ore pulp f obtained in the fifth step through a filtering device to obtain mica h and wastewater i.
2. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: the water content of the product a in the first step is 45-85% by weight.
3. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: in the first step, the modifier is one or two of sodium carbonate and lime, and 50-2000 g of the modifier is added to each ton of dry ore.
4. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: in the first step, the inhibitor is one or more of sodium hexametaphosphate, carboxymethyl cellulose, water glass and starch, and 150-3000 g of the inhibitor is added to each ton of dry ore.
5. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: in the first step, the primary collecting agent is one or more of dodecylamine, octadecylamine, cocoanut amine, etheramine and sodium oleate, and 10-500 g of the primary collecting agent is added to each ton of dry ore.
6. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: and in the second step, the flotation equipment is one or more of a mechanical stirring type flotation machine, an inflatable flotation machine and an inflatable stirring type flotation machine.
7. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: and in the third step, the sand washing equipment is one or more of a sand washing machine, a sieve, a hydrocyclone and a spiral classifier.
8. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: in the fourth step, the concentration and dehydration equipment is one or two of a thickener and a concentration tank.
9. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: adding 10-50 g of flocculating agent per ton of solid weight in the fourth step; the water content of the concentrated ore pulp f is not more than 55 percent by mass.
10. The machine-made sand one-stage flotation mica removing process according to claim 1, which is characterized in that: and in the fifth step, the filtering equipment is one or two of a filter press, a disk mountain type vacuum filter, a belt type vacuum filter and a ceramic filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812768.9A CN113546751A (en) | 2021-07-19 | 2021-07-19 | One-stage flotation mica removing process for machine-made sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812768.9A CN113546751A (en) | 2021-07-19 | 2021-07-19 | One-stage flotation mica removing process for machine-made sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113546751A true CN113546751A (en) | 2021-10-26 |
Family
ID=78131988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110812768.9A Pending CN113546751A (en) | 2021-07-19 | 2021-07-19 | One-stage flotation mica removing process for machine-made sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113546751A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240185A (en) * | 2013-05-07 | 2013-08-14 | 江西理工大学 | Novel lepidolite flotation method |
| CN105251622A (en) * | 2015-11-17 | 2016-01-20 | 江西科技师范大学 | Beneficiation inhibitor used in lepidolite flotation process |
| CN110586330A (en) * | 2019-10-28 | 2019-12-20 | 江西理工大学应用科学学院 | Flotation process for recovering micro-fine mica from micro-fine iron tailings |
-
2021
- 2021-07-19 CN CN202110812768.9A patent/CN113546751A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240185A (en) * | 2013-05-07 | 2013-08-14 | 江西理工大学 | Novel lepidolite flotation method |
| CN105251622A (en) * | 2015-11-17 | 2016-01-20 | 江西科技师范大学 | Beneficiation inhibitor used in lepidolite flotation process |
| CN110586330A (en) * | 2019-10-28 | 2019-12-20 | 江西理工大学应用科学学院 | Flotation process for recovering micro-fine mica from micro-fine iron tailings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100569381C (en) | The iron-removing concentrating process of potassic feldspar | |
| CN102773153B (en) | Lignite separation process | |
| CN104959239A (en) | Low-grade refractory weathered collophanite segmented desliming flotation process | |
| CN102553708B (en) | Process for washing and selecting high-ash, high-water easily-argillized lignite | |
| CN106179717A (en) | A kind of full level of thermal coal is selected in simplified heavy medium sorting process | |
| CN102489385A (en) | Combined technology of phosphorite scrubbing and direct floatation and reverse floatation | |
| CN105396684A (en) | Method for extracting ultra-low-ash-content pure coal from coal slime | |
| CN107344141B (en) | Process for extracting clean coal from coal slime | |
| CN102527492B (en) | Method for preparing super iron ore concentrate by using low-grade magnetic iron ore | |
| JP2006299394A (en) | Method for treating fine powder containing calcium component and lead component | |
| CN103433123A (en) | Process for ore pulp desliming and ore slurry dehydration | |
| CN103934080B (en) | Direct liquefaction coal and preparation method thereof | |
| CN109317305A (en) | A kind of sulfur bauxite gravity treatment sulfur method | |
| CN105413855A (en) | Method for cleaning and purification of tungsten rough concentrate | |
| CN113546752A (en) | Two-stage floatation mica removing process for machine-made sand | |
| CN102515881B (en) | Process for preparing potash magnesium sulphate fertilizer by muddy potassium mixed salt mineral | |
| CN104437828A (en) | Efficient desulfuration and deashing dense medium separation technology for fine coal | |
| CN102259874B (en) | Method for preparing white carbon black by continuous carbon precipitation | |
| CN113546748A (en) | Machine-made sand flotation and magnetic separation combined mica removing process | |
| CN113546751A (en) | One-stage flotation mica removing process for machine-made sand | |
| CN107999268B (en) | Desulfurization coal washing process | |
| CN113546750A (en) | Two-stage wet mica removing process for machine-made sand | |
| CN106944251B (en) | Utilization of coal gangue utilizes processing method | |
| CN104741214A (en) | System and method for preparing pulverized coal fuel of pulverized-coal boiler by using coal washing tailings | |
| CN109261344A (en) | The method of purification and konilite of talcum association type natural powdery quartz |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211026 |