CN107083490A - A kind of organic silicon chemical waste residue processing method - Google Patents
A kind of organic silicon chemical waste residue processing method Download PDFInfo
- Publication number
- CN107083490A CN107083490A CN201710291324.9A CN201710291324A CN107083490A CN 107083490 A CN107083490 A CN 107083490A CN 201710291324 A CN201710291324 A CN 201710291324A CN 107083490 A CN107083490 A CN 107083490A
- Authority
- CN
- China
- Prior art keywords
- waste residue
- organic silicon
- curing material
- water
- processing method
- 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.)
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 35
- 239000010703 silicon Substances 0.000 title claims abstract description 34
- 239000002894 chemical waste Substances 0.000 title claims abstract description 12
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 235000013312 flour Nutrition 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000007791 liquid phase Substances 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000007790 solid phase Substances 0.000 claims abstract description 5
- 238000001704 evaporation Methods 0.000 claims abstract 2
- 230000008020 evaporation Effects 0.000 claims abstract 2
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010025 steaming Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- YGZSVWMBUCGDCV-UHFFFAOYSA-N chloro(methyl)silane Chemical compound C[SiH2]Cl YGZSVWMBUCGDCV-UHFFFAOYSA-N 0.000 description 1
- GTPDFCLBTFKHNH-UHFFFAOYSA-N chloro(phenyl)silicon Chemical compound Cl[Si]C1=CC=CC=C1 GTPDFCLBTFKHNH-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- HZBAVWLZSLOCFR-UHFFFAOYSA-N oxosilane Chemical compound [SiH2]=O HZBAVWLZSLOCFR-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- -1 polysiloxanes Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
-
- 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
- C01B33/02—Silicon
- C01B33/037—Purification
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
- C22B15/0071—Leaching or slurrying with acids or salts thereof containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
The invention discloses a kind of organic silicon chemical waste residue processing method, its step is：(1) heated after, being sufficiently mixed organic silicon waste residue and sulfuric acid, mixing is stirred continuously during heating, Curing material is obtained；(2), the Curing material in step 1 is poured into water and is stirred continuously, Curing material is fully merged and is cooled down with water, slurry is obtained, the ratio of Curing material and water is 1: 3, and mixing time is half an hour；(3) slurry in step 3, is subjected to separation of solid and liquid, the advanced water-filling of isolated solid phase is washed and then carried out drying and processing, obtains silica flour；(4), liquid phase isolated in step 3 is first extracted with copper extractant, then carrying out heating evaporation to extract obtains copper；Present invention process is simple, is easy to operation, and processing cost is low, effectively reduces environmental pollution, improves resource utilization.
Description
Technical field
The present invention relates to technical field of organic silicon production, specifically a kind of organic silicon chemical waste residue processing side
Method.
Background technology
Organosilicon is that molecule chain is very high, not easy to break with the bond energy that chlorine atom or oxygen atom are combined with silicon atom
Poly- oxosilane or polysiloxanes etc..
In the siliconated chemical product such as production process of methylchlorosilane, phenyl chlorosilane, organic silicon monomer is main
Raw material, copper powder or mantoquita are as catalyst, and the mixture of unreacted silica flour and catalyst is referred to as waste residue in its production, organic
Contain a considerable amount of silica flours, copper powder or mantoquita in silicon waste residue, with very high recovery value, if directly burying, not only cause
Serious environmental pollution, and substantial amounts of silicon and copper can be lost, the significant wastage of resource is caused, as organosilicon is production-scale
Constantly expand, organic silicon waste residue quantity is continuously increased, and the copper and silica flour how effectively reclaimed in organic silicon waste residue is always system
An about big bottleneck of China's Silicone Industry.
Existing organic silicon waste residue processing method, has plenty of and directly works as waste disposal, waste of resource, and pollution environment；Have
Recycled, but be due to the method cause that it is recycled, there is that cost recovery is high, cumbersome, organic efficiency
Low defect.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of processing of organic silicon chemical waste residue
Method, technique is simple, is easy to operation, and processing cost is low, effectively reduces environmental pollution, improves resource utilization.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of organic silicon chemical waste residue processing method, step is：
1st, heated after being sufficiently mixed organic silicon waste residue and sulfuric acid, mixing is stirred continuously during heating,
Obtain Curing material；Constantly it is stirred, is conducive to radiating and makes reaction more complete；Organic silicon waste residue is mixed into heating with sulfuric acid
During, it is easy to reclaim the copper in organic silicon waste residue.
2nd, the Curing material in step 1 is poured into water and be stirred continuously, Curing material is fully merged and is cooled down with water, must starched
The ratio of material, Curing material and water is 1:3, mixing time is half an hour；
3rd, the slurry in step 3 is subjected to separation of solid and liquid, the advanced water-filling of isolated solid phase is washed and then carried out at drying
Reason, obtains silica flour；
4th, liquid phase isolated in step 3 is first extracted with copper extractant, heating steaming then is carried out to extract
Hair obtains copper.
As the further improvement of the present invention, the ratio of the organic silicon waste residue and sulfuric acid is 1:1.5, the warm temperature
For 60~80 DEG C, warm-up time is 1~2 hour.
As the further improvement of the present invention, the sulfuric acid concentration is 80~90%.
As the further improvement of the present invention, the heating-up temperature of the extract is 125~150 DEG C, and the heat time is analysis
Untill copper is crystallized.
Beneficial effects of the present invention are：Technique is simple, is easy to operation, and processing cost is low, effectively reduces environmental pollution, improves
Resource utilization.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with embodiment
The present invention is further elaborated.It should be appreciated that embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Embodiment 1：
A kind of organic silicon chemical waste residue processing method, step is：
1st, heated after being sufficiently mixed organic silicon waste residue and sulfuric acid, mixing is stirred continuously during heating,
Obtain Curing material；The ratio of the organic silicon waste residue and sulfuric acid is 1:1.5, the warm temperature is 60 DEG C, and warm-up time is 1 small
When, the sulfuric acid concentration is 80%；Constantly it is stirred, is conducive to radiating and makes reaction more complete；By organic silicon waste residue
During mixing heating with sulfuric acid, it is easy to reclaim the copper in organic silicon waste residue.
2nd, the Curing material in step 1 is poured into water and be stirred continuously, Curing material is fully merged and is cooled down with water, must starched
The ratio of material, Curing material and water is 1:3, mixing time is half an hour.
3rd, the slurry in step 3 is subjected to separation of solid and liquid, the advanced water-filling of isolated solid phase is washed and then carried out at drying
Reason, obtains silica flour；
4th, liquid phase isolated in step 3 is first extracted with copper extractant, heating steaming then is carried out to extract
Hair obtains copper, and the heating-up temperature of the extract is 125 DEG C, and the heat time is untill separating out copper crystallization.
Embodiment 2：
A kind of organic silicon chemical waste residue processing method, step is：
1st, heated after being sufficiently mixed organic silicon waste residue and sulfuric acid, mixing is stirred continuously during heating,
Obtain Curing material；The ratio of the organic silicon waste residue and sulfuric acid is 1:1.5, the warm temperature is 80 DEG C, and warm-up time is 2 small
When, the sulfuric acid concentration is 90%；Constantly it is stirred, is conducive to radiating and makes reaction more complete；By organic silicon waste residue
During mixing heating with sulfuric acid, it is easy to reclaim the copper in organic silicon waste residue.
2nd, the Curing material in step 1 is poured into water and be stirred continuously, Curing material is fully merged and is cooled down with water, must starched
The ratio of material, Curing material and water is 1:3, mixing time is half an hour.
3rd, the slurry in step 3 is subjected to separation of solid and liquid, the advanced water-filling of isolated solid phase is washed and then carried out at drying
Reason, obtains silica flour；
4th, liquid phase isolated in step 3 is first extracted with copper extractant, heating steaming then is carried out to extract
Hair obtains copper, and the heating-up temperature of the extract is 150 DEG C, and the heat time is untill separating out copper crystallization.
Present embodiment technique is simple, is easy to operation, and processing cost is low, effectively reduces environmental pollution, improves resource
Utilization rate.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (4)
1. a kind of organic silicon chemical waste residue processing method, it is characterised in that：Step is：
(1) heated after, being sufficiently mixed organic silicon waste residue and sulfuric acid, mixing is stirred continuously during heating, is obtained
Curing material；
(2), the Curing material in step 1 is poured into water and is stirred continuously, Curing material is fully merged and is cooled down with water, obtains slurry,
Curing material and the ratio of water are 1:3, mixing time is half an hour；
(3) slurry in step 3, is subjected to separation of solid and liquid, the advanced water-filling of isolated solid phase is washed and then carried out at drying
Reason, obtains silica flour；
(4), liquid phase isolated in step 3 is first extracted with copper extractant, heating evaporation then is carried out to extract
Obtain copper.
2. a kind of organic silicon chemical waste residue processing method according to claim 1, it is characterised in that：The organic silicon waste residue
Ratio with sulfuric acid is 1:1.5, the warm temperature is 60~80 DEG C, and warm-up time is 1~2 hour.
3. a kind of organic silicon chemical waste residue processing method according to claim 1, it is characterised in that：The sulfuric acid concentration is
80~90%.
4. a kind of organic silicon chemical waste residue processing method according to claim 1, it is characterised in that：The extract plus
Hot temperature is 125~150 DEG C, and the heat time is untill separating out copper crystallization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291324.9A CN107083490A (en) | 2017-04-28 | 2017-04-28 | A kind of organic silicon chemical waste residue processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291324.9A CN107083490A (en) | 2017-04-28 | 2017-04-28 | A kind of organic silicon chemical waste residue processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107083490A true CN107083490A (en) | 2017-08-22 |
Family
ID=59613112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710291324.9A Pending CN107083490A (en) | 2017-04-28 | 2017-04-28 | A kind of organic silicon chemical waste residue processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107083490A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249446A (en) * | 2017-12-25 | 2018-07-06 | 河南师范大学 | A kind of method of the cold hydrogenation workshop copper-containing residue integrated application of polysilicon factory |
| CN113699378A (en) * | 2021-08-26 | 2021-11-26 | 枣阳市一鸣化工有限公司 | Treatment method and treatment system for organic silicon waste residues |
| CN114349010A (en) * | 2022-02-23 | 2022-04-15 | 新疆大全绿创环保科技有限公司 | Method for removing carbon from waste silicon powder after copper extraction |
| CN115181998A (en) * | 2022-06-30 | 2022-10-14 | 武汉理工大学 | Method for recovering copper and high-purity silicon powder from organic silicon waste contact |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943177A (en) * | 2012-10-29 | 2013-02-27 | 浙江特力再生资源有限公司 | Method for recovering cooper and silicon powder from organosilicon waste residue |
| CN104045059A (en) * | 2014-06-25 | 2014-09-17 | 泸州北方化学工业有限公司 | Organosilicon slurry slag hydrolysis treatment process, byproduct and application thereof |
| CN106399690A (en) * | 2015-07-28 | 2017-02-15 | 江苏吉华化工有限公司 | Organosilicon chemical industry waste residue treatment method |
-
2017
- 2017-04-28 CN CN201710291324.9A patent/CN107083490A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943177A (en) * | 2012-10-29 | 2013-02-27 | 浙江特力再生资源有限公司 | Method for recovering cooper and silicon powder from organosilicon waste residue |
| CN104045059A (en) * | 2014-06-25 | 2014-09-17 | 泸州北方化学工业有限公司 | Organosilicon slurry slag hydrolysis treatment process, byproduct and application thereof |
| CN106399690A (en) * | 2015-07-28 | 2017-02-15 | 江苏吉华化工有限公司 | Organosilicon chemical industry waste residue treatment method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249446A (en) * | 2017-12-25 | 2018-07-06 | 河南师范大学 | A kind of method of the cold hydrogenation workshop copper-containing residue integrated application of polysilicon factory |
| CN113699378A (en) * | 2021-08-26 | 2021-11-26 | 枣阳市一鸣化工有限公司 | Treatment method and treatment system for organic silicon waste residues |
| CN113699378B (en) * | 2021-08-26 | 2023-09-15 | 枣阳市一鸣化工有限公司 | Method and system for treating organic silicon waste residues |
| CN114349010A (en) * | 2022-02-23 | 2022-04-15 | 新疆大全绿创环保科技有限公司 | Method for removing carbon from waste silicon powder after copper extraction |
| CN115181998A (en) * | 2022-06-30 | 2022-10-14 | 武汉理工大学 | Method for recovering copper and high-purity silicon powder from organic silicon waste contact |
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Application publication date: 20170822 |
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