CN110055537A - 一种pcb硝酸型退锡废液的再生回用方法 - Google Patents
一种pcb硝酸型退锡废液的再生回用方法 Download PDFInfo
- Publication number
- CN110055537A CN110055537A CN201910428326.7A CN201910428326A CN110055537A CN 110055537 A CN110055537 A CN 110055537A CN 201910428326 A CN201910428326 A CN 201910428326A CN 110055537 A CN110055537 A CN 110055537A
- Authority
- CN
- China
- Prior art keywords
- tin
- copper
- nitric acid
- pcb
- waste liquor
- 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.)
- Granted
Links
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 46
- 229910017604 nitric acid Inorganic materials 0.000 title claims abstract description 46
- 229910000679 solder Inorganic materials 0.000 title claims abstract description 21
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 147
- 229910052718 tin Inorganic materials 0.000 claims abstract description 145
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000002699 waste material Substances 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 40
- 239000010949 copper Substances 0.000 claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000008929 regeneration Effects 0.000 claims abstract description 23
- 238000011069 regeneration method Methods 0.000 claims abstract description 23
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 15
- 239000008139 complexing agent Substances 0.000 claims abstract description 12
- 230000009977 dual effect Effects 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000001556 precipitation Methods 0.000 claims abstract description 11
- 238000000746 purification Methods 0.000 claims abstract description 10
- 238000004090 dissolution Methods 0.000 claims abstract description 9
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 7
- 238000000151 deposition Methods 0.000 claims abstract description 6
- 230000008021 deposition Effects 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 58
- 239000000243 solution Substances 0.000 claims description 41
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 34
- 229910052742 iron Inorganic materials 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 22
- 239000013049 sediment Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 15
- 239000000706 filtrate Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 11
- 239000011814 protection agent Substances 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 8
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 claims description 8
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- 125000000129 anionic group Chemical group 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- 239000003014 ion exchange membrane Substances 0.000 claims description 6
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 6
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 6
- YDCFOUBAMGLLKA-UHFFFAOYSA-N 2,6,7-trihydroxy-9-phenylxanthen-3-one Chemical compound C1=2C=C(O)C(O)=CC=2OC2=CC(=O)C(O)=CC2=C1C1=CC=CC=C1 YDCFOUBAMGLLKA-UHFFFAOYSA-N 0.000 claims description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- 229960002089 ferrous chloride Drugs 0.000 claims description 5
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 229910001432 tin ion Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 238000005341 cation exchange Methods 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000002659 electrodeposit Substances 0.000 claims description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-N iron;hydrochloride Chemical compound Cl.[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-N 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000005695 Ammonium acetate Substances 0.000 claims description 2
- 239000004251 Ammonium lactate Substances 0.000 claims description 2
- 235000011054 acetic acid Nutrition 0.000 claims description 2
- 235000019257 ammonium acetate Nutrition 0.000 claims description 2
- 229940043376 ammonium acetate Drugs 0.000 claims description 2
- 229940059265 ammonium lactate Drugs 0.000 claims description 2
- 235000019286 ammonium lactate Nutrition 0.000 claims description 2
- RZOBLYBZQXQGFY-HSHFZTNMSA-N azanium;(2r)-2-hydroxypropanoate Chemical compound [NH4+].C[C@@H](O)C([O-])=O RZOBLYBZQXQGFY-HSHFZTNMSA-N 0.000 claims description 2
- 239000003010 cation ion exchange membrane Substances 0.000 claims description 2
- 238000005363 electrowinning Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 229910001448 ferrous ion Inorganic materials 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229910000510 noble metal Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims 2
- 235000019698 starch Nutrition 0.000 claims 2
- 239000008107 starch Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000004070 electrodeposition Methods 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 4
- 150000001455 metallic ions Chemical class 0.000 abstract description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 abstract description 2
- 239000003223 protective agent Substances 0.000 abstract description 2
- 239000012629 purifying agent Substances 0.000 abstract description 2
- 239000011135 tin Substances 0.000 description 123
- 238000004064 recycling Methods 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- -1 flocculant Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910016874 Fe(NO3) Inorganic materials 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 206010021703 Indifference Diseases 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- ORTNWICOMQLICI-UHFFFAOYSA-N [Fe].[Cu].[Sn] Chemical compound [Fe].[Cu].[Sn] ORTNWICOMQLICI-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000005605 benzo group Chemical group 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- TVQLLNFANZSCGY-UHFFFAOYSA-N disodium;dioxido(oxo)tin Chemical compound [Na+].[Na+].[O-][Sn]([O-])=O TVQLLNFANZSCGY-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229940079864 sodium stannate Drugs 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229940071182 stannate Drugs 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/10—Halides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/24—Alloys obtained by cathodic reduction of all their ions
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Electrochemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201910428326.7A CN110055537B (zh) | 2019-05-22 | 2019-05-22 | 一种pcb硝酸型退锡废液的再生回用方法 |
PCT/CN2019/123786 WO2020233104A1 (zh) | 2019-05-22 | 2019-12-06 | 一种pcb硝酸型退锡废液的再生回用方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910428326.7A CN110055537B (zh) | 2019-05-22 | 2019-05-22 | 一种pcb硝酸型退锡废液的再生回用方法 |
Publications (2)
Publication Number | Publication Date |
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CN110055537A true CN110055537A (zh) | 2019-07-26 |
CN110055537B CN110055537B (zh) | 2022-03-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910428326.7A Active CN110055537B (zh) | 2019-05-22 | 2019-05-22 | 一种pcb硝酸型退锡废液的再生回用方法 |
Country Status (2)
Country | Link |
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CN (1) | CN110055537B (zh) |
WO (1) | WO2020233104A1 (zh) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110526445A (zh) * | 2019-09-05 | 2019-12-03 | 成都宏明双新科技股份有限公司 | 一种甲基磺酸体系镀锡溶液处理工艺 |
WO2020233104A1 (zh) * | 2019-05-22 | 2020-11-26 | 惠州市臻鼎环保科技有限公司 | 一种pcb硝酸型退锡废液的再生回用方法 |
CN112250208A (zh) * | 2020-08-31 | 2021-01-22 | 金禄电子科技股份有限公司 | 退锡废液处理方法及装置 |
CN112410792A (zh) * | 2019-10-08 | 2021-02-26 | 叶涛 | 一种pcb无铁硝酸型退锡水及其再生回用方法 |
CN112607762A (zh) * | 2020-12-29 | 2021-04-06 | 东江环保股份有限公司 | 一种电子级二水合氯化铜的制备方法 |
CN112663092A (zh) * | 2020-12-10 | 2021-04-16 | 广东臻鼎环境科技有限公司 | 一种甲基磺酸型剥锡废液的处理方法 |
CN112813489A (zh) * | 2020-12-30 | 2021-05-18 | 广东臻鼎环境科技有限公司 | 一种试剂级二水合氯化铜晶体的制备方法 |
CN113213685A (zh) * | 2021-04-26 | 2021-08-06 | 萍乡市华星环保工程技术有限公司 | 一种脱硫产物硫资源化处理工艺 |
CN114232030A (zh) * | 2021-12-23 | 2022-03-25 | 广东鑫菱环境科技有限公司 | 一种pcb甲基磺酸退锡废液循环再生方法及其应用 |
CN114277249A (zh) * | 2021-11-26 | 2022-04-05 | 江西瑞亿电子科技有限公司 | 一种pcb锡废液循环再生式回收锡、铜和废气的处理方法 |
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