CN106082238A - A kind of method of purification of quartz sand - Google Patents
A kind of method of purification of quartz sand Download PDFInfo
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- CN106082238A CN106082238A CN201610382446.4A CN201610382446A CN106082238A CN 106082238 A CN106082238 A CN 106082238A CN 201610382446 A CN201610382446 A CN 201610382446A CN 106082238 A CN106082238 A CN 106082238A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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- C01P2006/80—Compositional purity
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Abstract
The invention discloses the method for purification of a kind of quartz sand, including: being pulverized by quartz tcrude ore, add water modulation, adds grinding aid ball milling, then carries out magnetic separation, obtain material A after drying；By material A heating, insulation, chlorination, shrend, through filtering, being dried to obtain material B；Being added by material B in mixed acid solution, ultrasonic 3 8h at 35 65 DEG C, through filtering, washing is the most neutral, be dried to obtain product.The method of purification of the quartz sand that the present invention proposes, its step is simple, and the quartz sand purity obtained is high, and good stability can meet the application of multiple fields.
Description
Technical field
The present invention relates to purification technique field, particularly relate to the method for purification of a kind of quartz sand.
Background technology
Quartz is that a kind of physics, chemical property are sufficiently stable, purposes mineral resources widely, in China the most on a large scale
Exploitation, has been widely used in glass, pottery, rubber, casting, Aero-Space, biological engineering, altofrequency technology, electronics the most
The fields such as technology, fiber optic communication and military project.Aero-Space, biological engineering, altofrequency technology, electronic technology, fiber optic communication and army
The high technology industry Domain relations such as work are to the long term growth of country, and the quartz sand for these fields has strict wanting to quality
Asking, impurity content therein, the especially content of the metal such as ferrum, aluminum is limited in the lowest scope, in current nature only
One-level crystal, two grades of crystals can meet requirement, but the reserves of one-level crystal and two grades of crystals itself are limited, along with people's
Exploitation, natural high-purity crystal material is the most exhausted.Therefore, the means utilizing various sorting to purify separate from quartz mine resource
Go out the research emphasis that highly purified quartz sand becomes current.
Although China is Silicon stone mineral products big countries, but the mineral deposit of dioxide-containing silica ＞ 99.95% is quite rare, China
Quartzy raw ore often association plurality of impurities mineral, such as Anhydrite, Muscovitum, Kaolin etc., thus purity is the highest, removing to Ore
Miscellaneous separation brings bigger difficulty.The quartz sand purity that existing purifying technique obtains is the most less desirable, and range of application is few,
It is difficult to the requirement meeting high-technology industry to quartz purity.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes the method for purification of a kind of quartz sand, its step letter
Single, the quartz sand purity obtained is high, and good stability can meet the application of multiple fields.
The method of purification of a kind of quartz sand that the present invention proposes, comprises the following steps:
S1, quartz tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore deposit that concentration is 10-20wt%
Slurry, sends in ball mill, adds grinding aid ball milling 40-50min, and wherein, the quality of grinding aid is the 0.05-of ore pulp quality
0.2wt%, carries out magnetic separation, obtains material A after drying dried addition in magnetic separator, and wherein, magnetic separation strength is 850-1100kA/
m；
S2, material A is heated to 500-550 DEG C, is incubated 10-25min, is heated to 600-700 DEG C, be incubated 10-25min,
Being subsequently adding in chloridizing unit and carry out chlorination, wherein, the temperature of chlorination is 900-1000 DEG C, the vacuum of chlorination be 6-7.5 ×
10-6Pa, the time of chlorination is 5-7h, and chlorination is cooled to 830-880 DEG C after terminating, and is subsequently poured in water and carries out shrend, and shrend is tied
Shu Houjing filters, is dried to obtain material B, and wherein, the time of shrend is 1-1.8h；
S3, material B is added in mixed acid solution, ultrasonic 3-8h at 35-65 DEG C, through filtering, washing to neutral, be dried
To product, wherein, ultrasonic power is 900-1200W.
Preferably, in S1, described grinding aid be isoamyl alcohol, n-octyl alcohol, enuatrol, sodium naphthenate, cycloalkylsulfonic acid sodium,
One or more mixture in sodium chloride, dodecylbenzene sodium sulfonate, 18-amine..
Preferably, in S1, the feed ore concentration during magnetic separation is 25-40wt%, and rotating speed is 120-200r/min.
Preferably, in S2, during chlorination, chlorination reagent used is the one or two kinds of in chlorine, hydrogen chloride
Mixture.
Preferably, in S2, during chlorination, chlorination reagent used is the mixture of chlorine, hydrogen chloride, and chlorine,
The volume ratio of hydrogen chloride is 3-5:1-3.
Preferably, during the shrend of S2, water used is flowing water, and the temperature of flowing water is 5-15 DEG C.
Preferably, in S3, material B is 1:3-5 with the volume ratio of mixed acid solution.
Preferably, in S3, described mixed solution is any in hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution
Two kinds or more of mixture.
Preferably, in S3, described mixed acid solution is the mixing of hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution
In thing, and mixed acid solution, the concentration of Fluohydric acid. be the concentration of 0.05-0.1mol/L, HCl be 0.3-0.7mol/L, sulphuric acid dense
Degree is 0.1-0.3mol/L, and the concentration of oxalic acid is 0.05-0.15mol/L.
Preferably, the method for purification of described quartz sand, comprise the following steps:
S1, quartz tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore pulp that concentration is 15wt%,
Sending in ball mill, add enuatrol ball milling 46min, wherein, the quality of enuatrol is the 0.1wt% of ore pulp quality, after drying
Adding in magnetic separator and carry out magnetic separation, obtain material A after drying, wherein, magnetic separation strength is 1000kA/m, and feed ore concentration is
35wt%, rotating speed is 160r/min；
S2, material A is heated to 535 DEG C, is incubated 20min, is heated to 665 DEG C, be incubated 22min, be subsequently adding chlorination dress
Carrying out chlorination in putting, wherein, the temperature of chlorination is 950 DEG C, and the vacuum of chlorination is 7 × 10-6Pa, the time of chlorination is 5.9h,
Chlorination reagent used is the mixture of chlorine, hydrogen chloride, and the volume ratio of chlorine, hydrogen chloride is 4:3, and chlorination is cooled to after terminating
845 DEG C, pour into and the flowing water of 10 DEG C carry out shrend, shrend terminate after through filter, be dried to obtain material B, wherein, the time of shrend
For 1.3h；
S3, being added in mixed acid solution by material B, wherein, material B is 1:4 with the volume ratio of mixed acid solution, and described nitration mixture is molten
Liquid is the mixture of hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution, and in mixed acid solution, the concentration of Fluohydric acid. is
The concentration of 0.07mol/L, HCl is 0.6mol/L, and the concentration of sulphuric acid is 0.22mol/L, and the concentration of oxalic acid is 0.1mol/L, 42
Ultrasonic 5.6h at DEG C, through filtering, washing is the most neutral, be dried to obtain product, and wherein, ultrasonic power is 1000W.
In the method for purification of quartz sand of the present invention, first quartz tcrude ore is crushed, efficiently separated associated mineral
And quartz sand, add grinding aid ball milling, reduce the surface energy of ore particles, accelerate the pulverizing of ore particles, improve grinding
The separating effect of impurity and quartz particles is enhanced while efficiency, reduction energy consumption；Carry out magnetic separation afterwards, substantially eliminated
The regeneration impurity ore particle introduced in original impurity ore particle and attrition process；In chloride process, by controlling chloridized
Technological parameter, effectively eliminates the alkali metal in tcrude ore, alkaline-earth metal and the iron ion on tcrude ore surface and sodium ion,
Decrease the crystallize of quartz sand, improve the thermal characteristic of quartz sand, optical characteristics and stability；Directly carry out after chloridized
Shrend, makes temperature be quenched, and makes the quartz sand in system there occurs the transformation of crystal formation, due to impurity and quartz sand the coefficient of expansion not
With, the interface at impurity and quartz sand creates substantial amounts of crackle, makes impurity the most cruelly leak and crush, and the former stone structure in ore deposit becomes
Loose, provide the foundation for acidleach afterwards, the time of acidleach after shortening, decrease the consumption of mixed acid solution, reduce
Cost, decreases pollution；During acidleach, make use of mixed acid solution, and the method for assisting ultrasonic auxiliary is to tcrude ore
Purify, effectively eliminate the impure mineral in quartz mine and metal, further increase the purity of quartz sand, go forward side by side one
Step shortens the time of purification, reduces energy consumption.
The method of purification of quartz sand of the present invention, technique is simple, and the cost of raw material is low, it is easy to obtain, the quartz obtained
Purity is high, SiO therein2Content can reach more than 99.995wt%, impurity metallic elements total amount ＜ 30ppm, and optical characteristics
Excellent with thermal characteristic, good stability, Aero-Space, biological engineering, altofrequency technology, electronic technology, fiber optic communication can be met
With the requirement to quartz of the field such as military project.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
The method of purification of a kind of quartz sand that the present invention proposes, comprises the following steps:
S1, quartz sand tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore deposit that concentration is 20wt%
Slurry, sends in ball mill, adds grinding aid ball milling 40min, and wherein, the quality of grinding aid is the 0.2wt% of ore pulp quality, is dried
Carrying out magnetic separation in rear addition magnetic separator, obtain material A after drying, wherein, magnetic separation strength is 850kA/m, and feed ore concentration is
25wt%, rotating speed is 200r/min；
S2, material A is heated to 550 DEG C, is incubated 10min, is heated to 700 DEG C, be incubated 10min, be subsequently adding chlorination dress
Carrying out chlorination in putting, wherein, the temperature of chlorination is 1000 DEG C, and the vacuum of chlorination is 6 × 10-6Pa, the time of chlorination is 7h, institute
With the mixture that chlorination reagent is chlorine, hydrogen chloride, and the volume ratio of chlorine, hydrogen chloride is 3:3, and chlorination is cooled to after terminating
830 DEG C, pour into and the flowing water of 5 DEG C carry out shrend, shrend terminate after through filter, be dried to obtain material B, wherein, the time of shrend
For 1.8h；
S3, being added in mixed acid solution by material B, wherein, material B is 1:3 with the volume ratio of mixed acid solution, super at 65 DEG C
Sound 3h, through filtering, washing is the most neutral, be dried to obtain product, and wherein, ultrasonic power is 1200W.
Embodiment 2
The method of purification of a kind of quartz sand that the present invention proposes, comprises the following steps:
S1, quartz tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore pulp that concentration is 10wt%,
Sending in ball mill, add grinding aid ball milling 50min, wherein, the quality of grinding aid is the 0.05wt% of ore pulp quality, after drying
Adding in magnetic separator and carry out magnetic separation, obtain material A after drying, wherein, magnetic separation strength is 1100kA/m, and feed ore concentration is
40wt%, rotating speed is 120r/min；Described grinding aid be isoamyl alcohol, n-octyl alcohol, enuatrol, sodium naphthenate, cycloalkylsulfonic acid sodium,
Sodium chloride, dodecylbenzene sodium sulfonate, 18-amine. are by the mixture of any weight ratio；
S2, material A is heated to 500 DEG C, is incubated 25min, is heated to 600 DEG C, be incubated 25min, be subsequently adding chlorination dress
Carrying out chlorination in putting, wherein, the temperature of chlorination is 900 DEG C, and the vacuum of chlorination is 7.5 × 10-6Pa, the time of chlorination is 5h,
Chlorination reagent used is the mixture of chlorine, hydrogen chloride, and the volume ratio of chlorine, hydrogen chloride is 5:1, and chlorination is cooled to after terminating
880 DEG C, pour into and the water of 15 DEG C carry out shrend, shrend terminate after through filter, be dried to obtain material B, wherein, the time of shrend is
1h；
S3, being added in mixed acid solution by material B, wherein, material B is 1:5 with the volume ratio of mixed acid solution, and described nitration mixture is molten
Liquid is the mixture of hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution, and in mixed acid solution, the concentration of Fluohydric acid. is
The concentration of 0.05mol/L, HCl is 0.7mol/L, and the concentration of sulphuric acid is 0.1mol/L, and the concentration of oxalic acid is 0.15mol/L, 35
Ultrasonic 8h at DEG C, through filtering, washing is the most neutral, be dried to obtain product, and wherein, ultrasonic power is 900W.
Embodiment 3
The method of purification of a kind of quartz sand that the present invention proposes, comprises the following steps:
S1, quartz tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore pulp that concentration is 15wt%,
Sending in ball mill, add enuatrol ball milling 46min, wherein, the quality of enuatrol is the 0.1wt% of ore pulp quality, after drying
Adding in magnetic separator and carry out magnetic separation, obtain material A after drying, wherein, magnetic separation strength is 1000kA/m, and feed ore concentration is
35wt%, rotating speed is 160r/min；
S2, material A is heated to 535 DEG C, is incubated 20min, is heated to 665 DEG C, be incubated 22min, be subsequently adding chlorination dress
Carrying out chlorination in putting, wherein, the temperature of chlorination is 950 DEG C, and the vacuum of chlorination is 7 × 10-6Pa, the time of chlorination is 5.9h,
Chlorination reagent used is the mixture of chlorine, hydrogen chloride, and the volume ratio of chlorine, hydrogen chloride is 4:3, and chlorination is cooled to after terminating
845 DEG C, pour into and the flowing water of 10 DEG C carry out shrend, shrend terminate after through filter, be dried to obtain material B, wherein, the shrend time is
1.3h；
S3, being added in mixed acid solution by material B, wherein, material B is 1:4 with the volume ratio of mixed acid solution, and described nitration mixture is molten
Liquid is the mixture of hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution, and in mixed acid solution, the concentration of Fluohydric acid. is
The concentration of 0.07mol/L, HCl is 0.6mol/L, and the concentration of sulphuric acid is 0.22mol/L, and the concentration of oxalic acid is 0.1mol/L, 42
Ultrasonic 5.6h at DEG C, through filtering, washing is the most neutral, be dried to obtain product, and wherein, ultrasonic power is 1000W.
Embodiment 4
The method of purification of a kind of quartz sand that the present invention proposes, comprises the following steps:
S1, quartz tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore pulp that concentration is 12wt%,
Sending in ball mill, add cycloalkylsulfonic acid sodium ball milling 48min, wherein, the quality of cycloalkylsulfonic acid sodium is ore pulp quality
0.07wt%, carries out magnetic separation, obtains material A after drying dried addition in magnetic separator, and wherein, magnetic separation strength is 1060kA/m,
Feed ore concentration is 28wt%, and rotating speed is 180r/min；
S2, material A is heated to 522 DEG C, is incubated 21min, is heated to 640 DEG C, be incubated 22min, be subsequently adding chlorination dress
Carrying out chlorination in putting, wherein, the temperature of chlorination is 925 DEG C, and the vacuum of chlorination is 7.2 × 10-6Pa, the time of chlorination is
5.6h, chlorination reagent used is hydrogen chloride, and chlorination is cooled to 860 DEG C after terminating, be poured into water and carry out shrend, shrend terminate after warp
Filtering, be dried to obtain material B, wherein, the time of shrend is 1.3h；
S3, being added in mixed acid solution by material B, wherein, material B is 1:4 with the volume ratio of mixed acid solution, and described nitration mixture is molten
Liquid is the mixture of hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution, and in mixed acid solution, the concentration of Fluohydric acid. is
The concentration of 0.1mol/L, HCl is 0.3mol/L, and the concentration of sulphuric acid is 0.3mol/L, and the concentration of oxalic acid is 0.05mol/L, 60
Ultrasonic 4h at DEG C, through filtering, washing is the most neutral, be dried to obtain product, and wherein, ultrasonic power is 1100W.
Embodiment 5
The method of purification of a kind of quartz sand that the present invention proposes, comprises the following steps:
S1, quartz tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore pulp that concentration is 17wt%,
Sending in ball mill, add grinding aid ball milling 42min, wherein, the quality of grinding aid is the 0.15wt% of ore pulp quality, and grinding aid
The mixture that agent is isoamyl alcohol and n-octyl alcohol is 1:3 by volume, carries out magnetic separation, obtains after drying dried addition in magnetic separator
Material A, wherein, magnetic separation strength is 865kA/m, and feed ore concentration is 36wt%, and rotating speed is 140r/min；
S2, material A is heated to 538 DEG C, is incubated 13min, is heated to 680 DEG C, be incubated 15min, be subsequently adding chlorination dress
Carrying out chlorination in putting, wherein, the temperature of chlorination is 975 DEG C, and the vacuum of chlorination is 6.7 × 10-6Pa, the time of chlorination is
6.8h, chlorination reagent used is chlorine, and chlorination is cooled to 845 DEG C after terminating.It is subsequently poured in water and carries out shrend, after shrend terminates
Through filtering, being dried to obtain material B, wherein, the time of shrend is 1.6h；
S3, being added in mixed acid solution by material B, wherein, material B is 1:3.5 with the volume ratio of mixed acid solution, and described mixed
Acid solution is the mixture of hydrofluoric acid solution, sulfuric acid solution, ultrasonic 6.5h at 45 DEG C, through filtering, wash to neutrality, being dried
To product, wherein, ultrasonic power is 950W.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (10)
1. the method for purification of a quartz sand, it is characterised in that comprise the following steps:
S1, quartz tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore pulp that concentration is 10-20wt%, send
Entering in ball mill, add grinding aid ball milling 40-50min, wherein, the quality of grinding aid is the 0.05-0.2wt% of ore pulp quality,
Dried addition in magnetic separator carries out magnetic separation, obtains material A after drying, and wherein, magnetic separation strength is 850-1100kA/m；
S2, material A is heated to 500-550 DEG C, is incubated 10-25min, is heated to 600-700 DEG C, be incubated 10-25min, then
Adding in chloridizing unit and carry out chlorination, wherein, the temperature of chlorination is 900-1000 DEG C, and the vacuum of chlorination is 6-7.5 × 10- 6Pa, the time of chlorination is 5-7h, and chlorination is cooled to 830-880 DEG C after terminating, and is subsequently poured in water and carries out shrend, and shrend terminates
By filtering, being dried to obtain material B, wherein, the time of shrend is 1-1.8h；
S3, material B is added in mixed acid solution, ultrasonic 3-8h at 35-65 DEG C, through filtering, washing to neutral, be dried to obtain product
Product, wherein, ultrasonic power is 900-1200W.
The method of purification of quartz sand the most according to claim 1, it is characterised in that in S1, described grinding aid be isoamyl alcohol,
One in n-octyl alcohol, enuatrol, sodium naphthenate, cycloalkylsulfonic acid sodium, sodium chloride, dodecylbenzene sodium sulfonate, 18-amine. or
The mixture that person is multiple.
The method of purification of quartz sand the most according to claim 1 or claim 2, it is characterised in that in S1, during magnetic separation to ore deposit
Concentration is 25-40wt%, and rotating speed is 120-200r/min.
4. according to the method for purification of quartz sand according to any one of claim 1-3, it is characterised in that in S2, the mistake of chlorination
Cheng Zhong, chlorination reagent used is the mixture of the one or two kinds of in chlorine, hydrogen chloride.
5. according to the method for purification of quartz sand according to any one of claim 1-4, it is characterised in that in S2, the mistake of chlorination
Cheng Zhong, chlorination reagent used is the mixture of chlorine, hydrogen chloride, and the volume ratio of chlorine, hydrogen chloride is 3-5:1-3.
6. according to the method for purification of quartz sand according to any one of claim 1-5, it is characterised in that in the shrend process of S2
In, water used is flowing water, and the temperature of flowing water is 5-15 DEG C.
7., according to the method for purification of quartz sand according to any one of claim 1-6, it is characterised in that in S3, material B is with mixed
The volume ratio of acid solution is 1:3-5.
8. according to the method for purification of quartz sand according to any one of claim 1-7, it is characterised in that in S3, described mixing
Solution is mixture the most two kinds or more of in hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution.
9. according to the method for purification of quartz sand according to any one of claim 1-8, it is characterised in that in S3, described nitration mixture
Solution is the mixture of hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution, and in mixed acid solution, the concentration of Fluohydric acid. is
The concentration of 0.05-0.1mol/L, HCl is 0.3-0.7mol/L, and the concentration of sulphuric acid is 0.1-0.3mol/L, and the concentration of oxalic acid is
0.05-0.15mol/L。
10. according to the method for purification of quartz sand according to any one of claim 1-9, it is characterised in that comprise the following steps:
S1, quartz tcrude ore is crushed to particle diameter is below 0.3mm, and the modulation that adds water obtains the ore pulp that concentration is 15wt%, sends into
In ball mill, adding enuatrol ball milling 46min, wherein, the quality of enuatrol is the 0.1wt% of ore pulp quality, adds after drying
Carrying out magnetic separation in magnetic separator, obtain material A after drying, wherein, magnetic separation strength is 1000kA/m, and feed ore concentration is 35wt%, turns
Speed is 160r/min；
S2, material A is heated to 535 DEG C, is incubated 20min, is heated to 665 DEG C, be incubated 22min, be subsequently adding in chloridizing unit
Carrying out chlorination, wherein, the temperature of chlorination is 950 DEG C, and the vacuum of chlorination is 7 × 10-6Pa, the time of chlorination is 5.9h, used
Chlorination reagent is the mixture of chlorine, hydrogen chloride, and the volume ratio of chlorine, hydrogen chloride is 4:3, and chlorination is cooled to 845 after terminating
DEG C, pour into and the flowing water of 10 DEG C carry out shrend, shrend terminate after through filter, be dried to obtain material B, wherein, the time of shrend is
1.3h；
S3, being added in mixed acid solution by material B, wherein, material B is 1:4 with the volume ratio of mixed acid solution, and described mixed acid solution is
The mixture of hydrofluoric acid solution, hydrochloric acid, sulfuric acid solution and oxalic acid solution, and in mixed acid solution, the concentration of Fluohydric acid. is
The concentration of 0.07mol/L, HCl is 0.6mol/L, and the concentration of sulphuric acid is 0.22mol/L, and the concentration of oxalic acid is 0.1mol/L, 42
Ultrasonic 5.6h at DEG C, through filtering, washing is the most neutral, be dried to obtain product, and wherein, ultrasonic power is 1000W.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185708A (en) * | 2017-07-14 | 2017-09-22 | 长沙有色冶金设计研究院有限公司 | A kind of method that high-purity quartz is prepared with mine tailing |
| CN107983538A (en) * | 2017-11-28 | 2018-05-04 | 东北大学 | A kind of collecting agent and carried out using the collecting agent magnesite and dolomite flotation method |
| CN111795875A (en) * | 2019-04-08 | 2020-10-20 | 南京工业大学 | Preparation method of soil colloid particles |
| EP3763682A1 (en) | 2019-07-12 | 2021-01-13 | Heraeus Quarzglas GmbH & Co. KG | Purification of quartz powders by removal of microparticles of refractory materials |
| CN115196642A (en) * | 2022-07-04 | 2022-10-18 | 深圳市上欧新材料有限公司 | Method for purifying silicon dioxide |
| CN116768638A (en) * | 2022-12-30 | 2023-09-19 | 山东嘉岳新材料有限公司 | Purification and reuse method of flint clay solid waste |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259963A (en) * | 2008-02-05 | 2008-09-10 | 锦州新世纪石英玻璃有限公司 | Method for producing solar energy stage polycrystalline silicon by using high-pure quartz sand as raw material |
| CN101805116A (en) * | 2010-04-08 | 2010-08-18 | 李玉生 | Process for producing superfine high-purity quartz glass pipe for high-temperature sensor |
| CN102120583A (en) * | 2011-03-29 | 2011-07-13 | 段其九 | Crucible for electronic industry and method for purifying high-purity quartz sand as lining material |
| CN102432022A (en) * | 2011-08-26 | 2012-05-02 | 田辉明 | Method for producing ultra-pure quartz sand by vein quartz and high-temperature chlorination device |
| CN102887521A (en) * | 2012-10-30 | 2013-01-23 | 成都理工大学 | Technology for processing 4N high-purity quartz by utilizing vein quartz as raw material |
| CN103183351A (en) * | 2011-12-29 | 2013-07-03 | 庄翔昊 | Purification method for silica ore through chlorination roasting-leaching |
| CN103613102A (en) * | 2013-12-04 | 2014-03-05 | 南京工业大学东海先进硅基材料研究院 | Process for preparing ultra-pure quartz sand from silica raw material |
-
2016
- 2016-06-01 CN CN201610382446.4A patent/CN106082238A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259963A (en) * | 2008-02-05 | 2008-09-10 | 锦州新世纪石英玻璃有限公司 | Method for producing solar energy stage polycrystalline silicon by using high-pure quartz sand as raw material |
| CN101805116A (en) * | 2010-04-08 | 2010-08-18 | 李玉生 | Process for producing superfine high-purity quartz glass pipe for high-temperature sensor |
| CN102120583A (en) * | 2011-03-29 | 2011-07-13 | 段其九 | Crucible for electronic industry and method for purifying high-purity quartz sand as lining material |
| CN102432022A (en) * | 2011-08-26 | 2012-05-02 | 田辉明 | Method for producing ultra-pure quartz sand by vein quartz and high-temperature chlorination device |
| CN103183351A (en) * | 2011-12-29 | 2013-07-03 | 庄翔昊 | Purification method for silica ore through chlorination roasting-leaching |
| CN102887521A (en) * | 2012-10-30 | 2013-01-23 | 成都理工大学 | Technology for processing 4N high-purity quartz by utilizing vein quartz as raw material |
| CN103613102A (en) * | 2013-12-04 | 2014-03-05 | 南京工业大学东海先进硅基材料研究院 | Process for preparing ultra-pure quartz sand from silica raw material |
Non-Patent Citations (1)
| Title |
|---|
| 余志伟: "《矿物材料与工程》", 31 December 2012 * |
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| CN111795875A (en) * | 2019-04-08 | 2020-10-20 | 南京工业大学 | Preparation method of soil colloid particles |
| EP3763682A1 (en) | 2019-07-12 | 2021-01-13 | Heraeus Quarzglas GmbH & Co. KG | Purification of quartz powders by removal of microparticles of refractory materials |
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| CN115196642A (en) * | 2022-07-04 | 2022-10-18 | 深圳市上欧新材料有限公司 | Method for purifying silicon dioxide |
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