CN102002595A - Recovery method of lithium in waste battery - Google Patents
Recovery method of lithium in waste battery Download PDFInfo
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- CN102002595A CN102002595A CN2010106051511A CN201010605151A CN102002595A CN 102002595 A CN102002595 A CN 102002595A CN 2010106051511 A CN2010106051511 A CN 2010106051511A CN 201010605151 A CN201010605151 A CN 201010605151A CN 102002595 A CN102002595 A CN 102002595A
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- Prior art keywords
- lithium
- organic phase
- old
- extraction
- recovery method
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 21
- 239000010926 waste battery Substances 0.000 title abstract 3
- 238000000605 extraction Methods 0.000 claims abstract description 38
- 239000012074 organic phase Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 19
- -1 ketone compounds Chemical class 0.000 claims abstract description 10
- 239000003350 kerosene Substances 0.000 claims abstract description 9
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 6
- BZBKUZRHJXLHNP-UHFFFAOYSA-N (3-methyl-1-phenylpyrazol-4-yl)-phenylmethanone Chemical class CC1=NN(C=2C=CC=CC=2)C=C1C(=O)C1=CC=CC=C1 BZBKUZRHJXLHNP-UHFFFAOYSA-N 0.000 claims description 4
- KFBXUKHERGLHLG-UHFFFAOYSA-N 2,4-Nonanedione Chemical compound CCCCCC(=O)CC(C)=O KFBXUKHERGLHLG-UHFFFAOYSA-N 0.000 claims description 4
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000012071 phase Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 229910003002 lithium salt Inorganic materials 0.000 abstract description 3
- 159000000002 lithium salts Chemical class 0.000 abstract description 3
- 239000002253 acid Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NVIVJPRCKQTWLY-UHFFFAOYSA-N cobalt nickel Chemical compound [Co][Ni][Co] NVIVJPRCKQTWLY-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical class [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a recovery method of lithium in a waste battery. In the recovery method, with lithium-containing faffinate generated in the wet-treatment process of the waste battery as a raw material and ketone compounds, tributyl phosphate and sulphonated kerosene as extraction organic phase, the pH of value the raw material of the lithium-containing faffinate is adjusted; then the lithium-containing faffinate is subjected to multistage countercurrent extraction; lithium in the lithium-containing faffinate enters the organic phase; and the organic phase loaded with the lithium is subjected to the multistage countercurrent extraction to obtain a lithium-containing strip liquor with high purity and high concentration. The liquor can be used for subsequently preparing various high-purity lithium salts. With the technology, over 85 percent of lithium in the lithium-containing faffinate can be directly recovered for preparing the high-purity lithium salts and has remarkable recovery value.
Description
Technical field
The invention belongs to technical field of wet metallurgy, more specifically relate to the recovery method that contains lithium in the lithium raffinate that produces in a kind of old and useless battery wet processing process.
Background technology
The wet processing that present domestic waste and old lithium ion battery adopts leaching mostly, purifies and extracts recycles, in the battery contained valuable metal lithium in the molten treatment process of acid along with cobalt nickel enters in the solution, behind extraction process, the overwhelming majority is separated with cobalt nickel and is stayed in the raffinate.Because the concentration of contained lithium is generally at 2～6g/L in the raffinate, concentration is lower, utilizes the recovery and utilization technology of present lithium that above-mentioned lithium is reclaimed, and it is low to recycle added value.Old and useless battery reclaims enterprise and how it is entered Waste Water Treatment as trade effluent, has increased the wastewater treatment difficulty when causing the wasting of resources, has improved cost for wastewater treatment.
Now, the efficient recovery technical study of lithium is limited to laboratory stage more in the old and useless battery, and many researchs add saturated sodium carbonate with the lithium-containing solution that produces in the old and useless battery wet processing process and prepare Quilonum Retard after heating evaporation concentrates, and in fact, the concentration of the lithium in the lithium-containing solution that obtains is very low in the industrial practice process of old and useless battery wet processing, about 2～6g/L, the method that adopts evaporation concentration is with the lithium enrichment, need a large amount of water of evaporation, energy consumption is excessive, and the Quilonum Retard purity of this method gained is not high, carries a large amount of sulfate ions and cobalt, nickel impurity secretly.
Summary of the invention
For overcoming above-mentioned technological deficiency, the cost pressure and the technical bottleneck that exist at the recovery of lithium in the waste and old lithium ion battery, the invention provides the recovery method that contains lithium in the lithium raffinate that a kind of old and useless battery wet processing process produces, with feasible technology and lower cost, the high value that realizes lithium in the waste and old lithium ion battery reclaims, and promotes resource circulation utilization.
For achieving the above object, the invention discloses the recovery method of lithium in a kind of old and useless battery, it is a raw material with the lithium raffinate that contains that old and useless battery wet processing process produces, with ketone compounds, tributyl phosphate and sulfonated kerosene solution is extracted organic phase, contain lithium raffinate raw material and regulate pH after multi-stage counter current extraction, the lithium that contains in the lithium raffinate enters organic phase, and the organic phase of load lithium obtains containing the lithium strip liquor through the multi-stage countercurrent back extraction.
The described lithium raffinate pH that contains is 4～5, and lithium content is 2～6g/L.
Described ketone compounds is one or more mixtures in hexanoyl acetone, two pivaloyl ketones, the 1-phenyl-3-methyl-4-Benzoylpyrazols quinoline ketone-5.
The concentration of extraction agent ketone compounds is 0.25～0.7mol/L in the described extracted organic phase, the volume content of synergist tributyl phosphate in extracted organic phase is 40～60%, other component in the extracted organic phase is the thinner sulfonated kerosene, and extraction agent can use repeatedly.
The described lithium raffinate that contains is earlier regulated pH to 9～10 with sodium hydroxide solution, the elimination insolubles, again through the extraction of 3～8 stage countercurrents, after the organic phase of load is carried out 3～5 stage countercurrent back extractions with the hydrochloric acid soln of 6～8mol/L, obtain lithium chloride solution.
The extraction phase of described multi-stage counter current extraction is 0.5～1: 1 than O/A, and it is 6～10: 1 that O/A is compared in the back extraction of multi-stage countercurrent back extraction, and lithium concentration is greater than 30g/L in the described lithium chloride solution.
Beneficial effect of the present invention is: (1) the present invention is a raw material with the lithium raffinate that contains that produces in the existing old and useless battery wet processing process, directly extracts lithium by extraction process, has guaranteed product purity; (2) operation process of the present invention is simple, lithium yield height, and energy consumption is low, and facility investment is little, and extraction agent can be recycled; (3) preparation method of the present invention can be directly reclaims the wet processing process that enterprise extensively adopts with present domestic old and useless battery and is connected, and has bigger practicality and economic worth.
Embodiment
Below will the present invention is described in detail by specific embodiment.
Embodiment 1:
Be equipped with extracted organic phase: will contain and add 1-phenyl-3-methyl-4-Benzoylpyrazols quinoline ketone-5 in the sulfonated kerosene solution of tributyl phosphate, 40% volume of 60% volume to make its content be 0.5mol/L; With the lithium raffinate that contains that produces in the old and useless battery wet processing process is raw material, and wherein lithium concentration is 3.5g/L; With the 6mol/L hydrochloric acid soln is back extraction acid; Sodium hydroxide solution with 10%～15% transfers to 9 with raw material pH; With extraction agent with transfer pH after raw material carry out four-stage counter-current by 1: 2 compare and extract, after load organic phases is carried out three grades of back extractions with strip liquor by 6: 1 compare.Lithium concentration is about 35g/L in the gained strip liquor, and lithium concentration is about 0.33g/L in the raffinate, and the rate of recovery is about 89.6%.
Embodiment 2:
Be equipped with extracted organic phase: will contain and add two pivaloyl ketones in the tributyl phosphate, 50% sulfonated kerosene solution of 50% volume to make its content be 0.25mol/L's; With the lithium raffinate that contains that produces in the old and useless battery wet processing process is raw material, and wherein lithium concentration is 3.0g/L; With the 7mol/L hydrochloric acid soln is back extraction acid.Sodium hydroxide solution with 10%～15% transfers to 10 with raw material pH; With extraction agent with transfer pH after raw material carry out the Pyatyi counter-current extraction by 1: 1.5 compare, after load organic phases is carried out the level Four back extraction with strip liquor by 8: 1 compare.Lithium concentration is about 30g/L in the gained strip liquor, and lithium concentration is about 0.45g/L in the raffinate, and the rate of recovery is 86.27%.
Embodiment 3:
Be equipped with extracted organic phase: will contain and add hexanoyl acetone in 45% volume tributyl phosphate, the 55% sulfonated kerosene solution to make its content be 0.6mol/L; With the lithium raffinate that contains that produces in the old and useless battery wet processing process is raw material, and wherein lithium concentration is 2.8g/L; With the 8mol/L hydrochloric acid soln is back extraction acid; Sodium hydroxide solution with 10%-15% transfers to 9 with raw material pH; With extraction agent with transfer pH after raw material carry out four-stage counter-current by 1: 1 compare and extract, after load organic phases is carried out the Pyatyi back extraction with strip liquor by 9: 1 compare.Lithium concentration is about 30.5g/L in the gained strip liquor, and lithium concentration is about 0.43g/L in the raffinate, and the rate of recovery is about 86.8%.
Embodiment 4:
Be equipped with extracted organic phase: will contain in the sulfonated kerosene solution of tributyl phosphate, 40% volume of 60% volume and add 1-phenyl-3-methyl-4-Benzoylpyrazols quinoline ketone-5 and hexanoyl acetone, making its total content is 0.5mol/L; With the lithium raffinate that contains that produces in the old and useless battery wet processing process is raw material, and wherein lithium concentration is 3.5g/L; With the 6mol/L hydrochloric acid soln is back extraction acid; Sodium hydroxide solution with 10%～15% transfers to 9 with raw material pH; With extraction agent with transfer pH after raw material carry out four-stage counter-current by 1: 2 compare and extract, after load organic phases is carried out three grades of back extractions with strip liquor by 6: 1 compare.Lithium concentration is about 35.3g/L in the gained strip liquor, and lithium concentration is about 0.30g/L in the raffinate, and the rate of recovery is about 90.6%.
The foregoing description gained lithium chloride solution purity is higher, and impurity such as calcium, magnesium, iron, lead, copper can be used for the multiple high-purity lithium salts of subsequent preparation all less than 2mg/L.
In sum; although the present invention is described in detail by specific embodiment; but persons skilled in the art should be understood that; the foregoing description only is the description to the preferred embodiments of the present invention; but not limiting the scope of the invention; persons skilled in the art are in the disclosed technical scope of the present invention, and the variation that can expect easily is all within protection scope of the present invention.
Claims (6)
1. the recovery method of lithium in the old and useless battery, it is characterized in that: the lithium raffinate that contains that produces with old and useless battery wet processing process is a raw material, with ketone compounds, tributyl phosphate and sulfonated kerosene solution is extracted organic phase, contain lithium raffinate raw material and regulate pH after multi-stage counter current extraction, the lithium that contains in the lithium raffinate enters organic phase, the organic phase of load lithium obtains containing the lithium strip liquor through the multi-stage countercurrent back extraction.
2. the recovery method of lithium in the old and useless battery according to claim 1 is characterized in that: the described lithium raffinate pH that contains is 4～5, and lithium content is 2～6g/L.
3. the recovery method of lithium in the old and useless battery according to claim 1 is characterized in that: described ketone compounds is one or more mixtures in hexanoyl acetone, two pivaloyl ketones, the 1-phenyl-3-methyl-4-Benzoylpyrazols quinoline ketone-5.
4. the recovery method of lithium in the old and useless battery according to claim 1, it is characterized in that: the concentration of extraction agent ketone compounds is 0.25～0.7mol/L in the described extracted organic phase, the volume content of synergist tributyl phosphate in extracted organic phase is 40～60%, other component in the extracted organic phase is the thinner sulfonated kerosene, and extraction agent can use repeatedly.
5. the recovery method of lithium in the old and useless battery according to claim 1, it is characterized in that: the described lithium raffinate that contains is regulated pH to 9～10 with sodium hydroxide solution earlier, the elimination insolubles, extract through 3～8 stage countercurrents again, after the organic phase of load lithium is carried out 3～5 stage countercurrent back extractions with the hydrochloric acid soln of 6～8mol/L, obtain lithium chloride solution.
6. the recovery method of lithium in the old and useless battery according to claim 5, it is characterized in that: the extraction phase of described multi-stage counter current extraction is 0.5～1: 1 than O/A, it is 6～10: 1 that O/A is compared in the back extraction of multi-stage countercurrent back extraction, and lithium concentration is greater than 30g/L in the described lithium chloride solution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106051511A CN102002595B (en) | 2010-12-24 | 2010-12-24 | Recovery method of lithium in waste battery |
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| CN2010106051511A CN102002595B (en) | 2010-12-24 | 2010-12-24 | Recovery method of lithium in waste battery |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191445A (en) * | 2016-06-30 | 2016-12-07 | 南昌航空大学 | The separation method of lithium ion in a kind of lithium ion battery leachate |
| CN107058742A (en) * | 2017-04-01 | 2017-08-18 | 司马忠志 | A kind of method that lithium is reclaimed from waste and old lithium ion battery |
| CN107779612A (en) * | 2017-12-08 | 2018-03-09 | 中国科学院青海盐湖研究所 | A kind of technique that lithium is extracted from alkaline bittern |
| CN107937734A (en) * | 2017-12-08 | 2018-04-20 | 中国科学院青海盐湖研究所 | The technique that lithium is extracted from the bittern of alkalescence containing lithium based on mixer-settler |
| CN108004420A (en) * | 2017-12-08 | 2018-05-08 | 中国科学院青海盐湖研究所 | The technique that lithium is extracted from the bittern of alkalescence containing lithium based on centrifugal extractor |
| CN110494576A (en) * | 2017-03-30 | 2019-11-22 | 捷客斯金属株式会社 | Lithium recovery method |
| CN111945017A (en) * | 2020-07-31 | 2020-11-17 | 湖南邦普循环科技有限公司 | Method for recovering lithium from lithium-containing wastewater |
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| CN101280357A (en) * | 2008-01-16 | 2008-10-08 | 中南大学 | Environment-friendly acid leaching-extraction process in waste lithium battery recovery |
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2010
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191445A (en) * | 2016-06-30 | 2016-12-07 | 南昌航空大学 | The separation method of lithium ion in a kind of lithium ion battery leachate |
| CN110494576A (en) * | 2017-03-30 | 2019-11-22 | 捷客斯金属株式会社 | Lithium recovery method |
| US11434545B2 (en) | 2017-03-30 | 2022-09-06 | Jx Nippon Mining & Metals Corporation | Lithium recovery method |
| CN110494576B (en) * | 2017-03-30 | 2022-06-03 | 捷客斯金属株式会社 | Lithium recovery method |
| CN107058742A (en) * | 2017-04-01 | 2017-08-18 | 司马忠志 | A kind of method that lithium is reclaimed from waste and old lithium ion battery |
| CN107058742B (en) * | 2017-04-01 | 2019-02-22 | 司马忠志 | A method of lithium is recycled from waste and old lithium ion battery |
| CN107937734A (en) * | 2017-12-08 | 2018-04-20 | 中国科学院青海盐湖研究所 | The technique that lithium is extracted from the bittern of alkalescence containing lithium based on mixer-settler |
| CN107779612B (en) * | 2017-12-08 | 2019-12-13 | 中国科学院青海盐湖研究所 | Process for extracting lithium from alkaline brine |
| CN108004420B (en) * | 2017-12-08 | 2020-04-28 | 中国科学院青海盐湖研究所 | Centrifugal extractor-based process for extracting lithium from lithium-containing alkaline brine |
| CN107937734B (en) * | 2017-12-08 | 2020-04-28 | 中国科学院青海盐湖研究所 | Process for extracting lithium from lithium-containing alkaline brine based on mixed clarifying tank |
| CN108004420A (en) * | 2017-12-08 | 2018-05-08 | 中国科学院青海盐湖研究所 | The technique that lithium is extracted from the bittern of alkalescence containing lithium based on centrifugal extractor |
| CN107779612A (en) * | 2017-12-08 | 2018-03-09 | 中国科学院青海盐湖研究所 | A kind of technique that lithium is extracted from alkaline bittern |
| CN111945017A (en) * | 2020-07-31 | 2020-11-17 | 湖南邦普循环科技有限公司 | Method for recovering lithium from lithium-containing wastewater |
| CN111945017B (en) * | 2020-07-31 | 2023-03-07 | 湖南邦普循环科技有限公司 | Method for recovering lithium from lithium-containing wastewater |
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Owner name: GUANGDONG BRUNP RECYCLING CO., LTD. Free format text: FORMER NAME: FOSHAN BRUNP RECYCLING TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Nanhai District of Guangdong water town on the 528244 city of Foshan Province, Foshan City Industrial Zone Chung brunp Recycling Technology Co. Ltd. Patentee after: Guangdong Brunp Recycling Technology Co., Ltd. Address before: Nanhai District of Guangdong water town on the 528244 city of Foshan Province, Foshan City Industrial Zone Chung brunp Recycling Technology Co. Ltd. Patentee before: Foshan Brunp Recycling Technology Co., Ltd. |
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Owner name: GUANGDONG BANGPU CIRCULATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGDONG BRUNP RECYCLING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Nanhai District of Guangdong water town on the 528244 city of Foshan Province, Foshan City Industrial Zone Chung brunp Recycling Technology Co. Ltd. Patentee after: GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. Address before: Nanhai District of Guangdong water town on the 528244 city of Foshan Province, Foshan City Industrial Zone Chung brunp Recycling Technology Co. Ltd. Patentee before: Guangdong Brunp Recycling Technology Co., Ltd. |
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Effective date of registration: 20171207 Address after: 528248 Guangdong province Lishui Town Nanhai District Foshan City Industrial Zone, Sha Co-patentee after: Hunan Brunp Circulation Technology Co., Ltd. Patentee after: GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. Address before: Nanhai District of Guangdong water town on the 528244 city of Foshan Province, Foshan City Industrial Zone Chung brunp Recycling Technology Co. Ltd. Patentee before: GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. |
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Address after: No.6 Zhixin Avenue, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee after: GUANGDONG BRUNP RECYCLING TECHNOLOGY Co.,Ltd. Patentee after: HUNAN BRUNP RECYCLING TECHNOLOGY Co.,Ltd. Address before: 528248 Guangdong province Lishui Town Nanhai District Foshan City Industrial Zone, Sha Patentee before: GUANGDONG BRUNP RECYCLING TECHNOLOGY Co.,Ltd. Patentee before: HUNAN BRUNP RECYCLING TECHNOLOGY Co.,Ltd. |