KR102045523B1 - 폐염산 정제 방법 - Google Patents
폐염산 정제 방법 Download PDFInfo
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- KR102045523B1 KR102045523B1 KR1020170138499A KR20170138499A KR102045523B1 KR 102045523 B1 KR102045523 B1 KR 102045523B1 KR 1020170138499 A KR1020170138499 A KR 1020170138499A KR 20170138499 A KR20170138499 A KR 20170138499A KR 102045523 B1 KR102045523 B1 KR 102045523B1
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- KR
- South Korea
- Prior art keywords
- hydrochloric acid
- organic solvent
- waste hydrochloric
- waste
- purification method
- Prior art date
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 547
- 239000002699 waste material Substances 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 112
- 239000003960 organic solvent Substances 0.000 claims abstract description 124
- 239000002184 metal Substances 0.000 claims abstract description 106
- 229910052751 metal Inorganic materials 0.000 claims abstract description 106
- 238000000605 extraction Methods 0.000 claims abstract description 63
- 238000000746 purification Methods 0.000 claims abstract description 46
- 238000002156 mixing Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 238000003756 stirring Methods 0.000 claims description 57
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 54
- -1 iron (Fe) ions Chemical class 0.000 claims description 43
- 239000000243 solution Substances 0.000 claims description 35
- 238000005191 phase separation Methods 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 239000011259 mixed solution Substances 0.000 claims description 24
- 239000002904 solvent Substances 0.000 claims description 23
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000012153 distilled water Substances 0.000 claims description 18
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000008096 xylene Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004215 Carbon black (E152) Substances 0.000 claims description 7
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 6
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 5
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 5
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 235000011167 hydrochloric acid Nutrition 0.000 description 238
- 239000010410 layer Substances 0.000 description 67
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 26
- 239000000460 chlorine Substances 0.000 description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 18
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 17
- 229910052801 chlorine Inorganic materials 0.000 description 17
- 239000003456 ion exchange resin Substances 0.000 description 13
- 229920003303 ion-exchange polymer Polymers 0.000 description 13
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 12
- 239000003350 kerosene Substances 0.000 description 12
- 238000000638 solvent extraction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000005194 fractionation Methods 0.000 description 9
- 239000010815 organic waste Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000012074 organic phase Substances 0.000 description 8
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 7
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 6
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 5
- 229910002552 Fe K Inorganic materials 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- IMNFDUFMRHMDMM-UHFFFAOYSA-N anhydrous n-heptane Natural products CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- LWENKBYRISVEIY-UHFFFAOYSA-N cyclohexane N,N-dioctyloctan-1-amine Chemical compound C1CCCCC1.C(CCCCCCC)N(CCCCCCCC)CCCCCCCC LWENKBYRISVEIY-UHFFFAOYSA-N 0.000 description 4
- XSWSEQPWKOWORN-UHFFFAOYSA-N dodecan-2-ol Chemical compound CCCCCCCCCCC(C)O XSWSEQPWKOWORN-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 3
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 3
- YKOLPTQKDVSDBB-UHFFFAOYSA-N n,n-dioctyloctan-1-amine;toluene Chemical compound CC1=CC=CC=C1.CCCCCCCCN(CCCCCCCC)CCCCCCCC YKOLPTQKDVSDBB-UHFFFAOYSA-N 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GHLSFPPMHFFBHW-UHFFFAOYSA-N CCCCCCCC.C(CCCCCCC)N(CCCCCCCC)CCCCCCCC Chemical compound CCCCCCCC.C(CCCCCCC)N(CCCCCCCC)CCCCCCCC GHLSFPPMHFFBHW-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 241001274216 Naso Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000011033 desalting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- WCXRKSCRHLYWSL-UHFFFAOYSA-N n,n-dioctyloctan-1-amine;dodecane Chemical compound CCCCCCCCCCCC.CCCCCCCCN(CCCCCCCC)CCCCCCCC WCXRKSCRHLYWSL-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- ZJKABZNFELLAQQ-UHFFFAOYSA-N octane Chemical compound CCCCCCCC.CCCCCCCC ZJKABZNFELLAQQ-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- IRPFTFQLFQCAAY-UHFFFAOYSA-N Cl.[P] Chemical compound Cl.[P] IRPFTFQLFQCAAY-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- MAYPHUUCLRDEAZ-UHFFFAOYSA-N chlorine peroxide Chemical compound ClOOCl MAYPHUUCLRDEAZ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 239000010888 waste organic solvent Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
- C01B7/0731—Purification ; Separation of hydrogen chloride by extraction
- C01B7/0737—Purification ; Separation of hydrogen chloride by extraction hydrogen chloride being extracted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0492—Applications, solvents used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0292—Treatment of the solvent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0288—Applications, solvents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0484—Controlling means
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0009—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0457—Juxtaposition of mixers-settlers comprising rotating mechanisms, e.g. mixers, mixing pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Description
도 1은 본 발명의 용매 추출 방법을 이용한 폐염산 정제 방법을 설명하기 위한 흐름도이다.
도 2는 본 발명의 용매 추출 방법을 이용한 폐염산 정제 방법에 대한 공정 개략도이다.
도 3은 본 발명의 용매 추출 방법을 이용하여 정제된 폐염산의 정제 전,후의 염산의 색 변화를 비교한 사진이다.
추출 용액 | Al | Ca | Fe | K | Mg | ||
추출제 | 유기용매 | ||||||
폐염산 | - | - | 5 | 15 | 20 | 5 | 5 |
실시예 1 | 트리옥틸아민 | 톨루엔 | 6 | 16 | <0.1 | 5 | 5 |
실시예 2 | 트리옥틸아민 | 톨루엔 | 6 | 17 | <0.1 | 5 | 5 |
실시예 3 | 트리옥틸아민 | 시클로헥산 | 5 | 16 | <0.1 | 5 | 5 |
실시예 4 | 트리옥틸아민 | 시클로헥산 (2회) | 5 | 16 | <0.1 | 5 | 5 |
실시예 5 | 트리옥틸아민 | 크실렌 | 6 | 16 | <0.1 | 5 | 5 |
실시예 6 | 트리옥틸아민 | 크실렌 (2회) | 6 | 17 | <0.1 | 5 | 5 |
실시예 7 | 트리옥틸아민 | 옥탄+2-에틸 헥산올 | 7 | 17 | <0.1 | 5 | 5 |
실시예 8 | 트리옥틸아민 | 데칸+ 2-에틸 헥산올 | 7 | 16 | <0.1 | 5 | 5 |
실시예 9 | 트리옥틸아민 | 도데칸+2-에틸 헥산올 | 7 | 16 | <0.1 | 5 | 5 |
실시예 10 | 트리옥틸아민 | 케로센+ 2-에틸 헥산올 | 7 | 17 | <0.1 | 6 | 5 |
실시예 11 | 트리옥틸아민 | 케로센+ 2-도데칸올 | 6 | 16 | 1 | 5 | 5 |
실시예 12 | 트리알킬포스핀 옥사이드 |
톨루엔 | 3 | 16 | <0.1 | 3 | 4 |
실시예 13 | 트리알킬포스핀 옥사이드 |
시클로헥산 | 4 | 16 | <0.1 | 4 | 5 |
실시예 14 | 트리옥틸아민 | 메틸 사이클로헥산 | 2 | 8 | <0.1 | 3 | 2 |
비교예1 | - | - | 4 | 16 | 4 | 4 | 5 |
비교예2 | - | - | 4 | 16 | 4 | 4 | 5 |
비교예3 | - | - | 4 | 18 | 4 | 4 | 6 |
비교예4 | - | - | N.D | N.D | 21 | N.D | N.D |
추출 용액 | TOC (total organic carbon) |
TIC (total inorganic carbon) |
TC (total carbon) |
||
추출제 | 유기용매 | ||||
폐염산 | - | - | 67.65 | 54.64 | 122.29 |
실시예 1 | 트리옥틸아민 | 톨루엔 | 5.22 | 64.18 | 69.4 |
실시예 3 | 트리옥틸아민 | 시클로헥산 | 37.1 | 54.17 | 91.27 |
실시예 4 | 트리옥틸아민 | 시클로헥산 (2회) |
14.27 | 53.85 | 68.12 |
실시예 5 | 트리옥틸아민 | 크실렌 | 40.7 | 54.4 | 95.1 |
실시예 6 | 트리옥틸아민 | 크실렌 (2회) | 6.28 | 63.7 | 69.98 |
실시예 7 | 트리옥틸아민 | 옥탄 + 2-에틸 헥산올 |
45.93 | 54.84 | 100.77 |
실시예 8 | 트리옥틸아민 | 데칸 + 2-에틸 헥산올 |
65.48 | 140.56 | 206.04 |
실시예 9 | 트리옥틸아민 | 도데칸 + 2-에틸 헥산올 |
66.15 | 145.06 | 211.21 |
실시예 10 | 트리옥틸아민 | 케로센 + 2-에틸 헥산올 |
59.51 | 144.24 | 203.85 |
실시예 11 | 케로센 + 2-도데칸올 |
53.51 | 55.05 | 108.56 | |
실시예 14 | 트리옥틸아민 | 메틸 사이클로헥산 |
53.58 | 151.7 | 205.28 |
비교예4 | - | - | 18.79 | 54.78 | 73.57 |
유기용매 함량 (ml) | Al | Ca | Fe | K | Mg | |
폐염산 | - | 5 | 15 | 20 | 5 | 5 |
실시예 15 | 50 | 4 | 16 | <0.1 | 4 | 5 |
실시예 16 | 30 | 4 | 16 | <0.1 | 4 | 5 |
실시예 17 | 10 | 4 | 16 | <0.1 | 4 | 5 |
비교예 5 | 9 | - | - | - | - | - |
교반 시간 (초) | Fe | |
폐염산 | - | 20 |
실시예 18 | 50 | <0.1 |
실시예 19 | 30 | <0.1 |
실시예 20 | 20 | <0.1 |
실시예 21 | 10 | 0.1 |
교반 속도 (rpm) | Al | Ca | Fe | K | Mg | |
폐염산 | - | 5 | 15 | 20 | 5 | 5 |
실시예 22 | 600 | 1 | 7 | <0.1 | 2 | 2 |
실시예 23 | 300 | 1 | 7 | <0.1 | 2 | 2 |
실시예 24 | 100 | 1 | 7 | 0.7 | 2 | 2 |
추출 횟수 | Al | Ca | Fe | K | Mg | |
폐염산 | - | 5 | 15 | 20 | 5 | 5 |
실시예 25 | 정제된 염산 (1) | 4 | 16 | <0.1 | 4 | 5 |
물층 (1) | 0.6 | 0.2 | 20 | 0.3 | <0.1 | |
실시예 26 | 정제된 염산 (2) | 4 | 16 | <0.1 | 4 | 5 |
물층 (2) | 0.5 | 0.2 | 21 | 0.2 | <0.1 | |
실시예 27 | 정제된 염산 (3) | 4 | 16 | <0.1 | 4 | 5 |
물층 (3) | 0.5 | 0.2 | 21 | 0.2 | <0.1 | |
실시예 28 | 정제된 염산 (4) | 4 | 16 | <0.1 | 4 | 5 |
물층 (4) | 0.5 | 0.2 | 21 | 0.2 | <0.1 |
추출 횟수 | Al | Ca | Fe | K | Mg | |
폐염산 | - | 5 | 15 | 20 | 5 | 5 |
실시예 29 | 유기용매층 | 1 | <0.1 | 9 | 1 | 1 |
물층 (1) | 0.4 | 0.2 | 11 | 0.3 | <0.1 | |
실시예 30 | 유기용매층 | <0.1 | <0.1 | 12 | <0.1 | <0.1 |
물층 (1) | 0.4 | 0.1 | 8 | 0.2 | <0.1 |
Claims (16)
- 추출제인 트리옥틸아민 또는 메틸 이소부틸케톤을 유기용매에 용해시켜 추출 용액을 제조하는 단계(S1);
폐염산에 상기 추출 용액을 투입하여 폐염산 내의 금속 성분을 유기용매로 추출하는 단계(S2);
금속 성분을 함유한 유기용매와 폐염산층을 상분리하는 단계(S3); 및
상분리(분획)된 폐염산층을 회수하여 정제된 염산을 수득하는 단계(S4);를 포함하며,
상기 추출제의 사용량은 폐염산에 함유된 금속 성분 중 철(Fe) 이온 성분 1 몰을 기준으로 40 몰 내지 60몰이고,
상기 폐염산 : 추출 용액은 1:0.1 내지 1:1 부피비로 혼합하는 것인 폐염산 정제 방법.
- 청구항 1에 있어서,
상기 폐염산 정제 방법은 추출 용액을 제조하기 전에 폐염산에 포함된 금속 성분 중 철(Fe) 이온 성분의 농도를 측정하는 단계(S0)를 더 포함하는 것인 폐염산 정제 방법.
- 청구항 1에 있어서,
상기 유기용매는 방향족 탄화수소 용매, 지방족 탄화수소 용매 및 알코올로 이루어진 군으로부터 선택된 적어도 하나 이상의 용매를 포함하는 것인 폐염산 정제 방법.
- 청구항 3에 있어서,
상기 방향족 탄화수소 용매는 톨루엔, 및 크실렌으로 이루어진 군으로부터 선택된 적어도 하나 이상을 포함하고,
상기 지방족 탄화수소 용매는 메틸 시클로헥산 및 시클로헥산으로 이루어진 군으로부터 선택된 적어도 하나 이상의 지환족 탄화수소 용매, 또는 탄소수 6 내지 20의 선형 탄화수소 용매를 포함하며,
상기 알코올은 탄소수 6 내지 20의 1가 알코올을 포함하는 것인 폐염산 정제 방법.
- 삭제
- 삭제
- 청구항 1에 있어서,
상기 추출제는 트리옥틸아민인 것인 폐염산 정제 방법.
- 삭제
- 청구항 1에 있어서,
상기 추출제의 사용량은 철(Fe) 이온 성분 1 몰을 기준으로 40 몰 내지 50 몰인 것인 폐염산 정제 방법.
- 청구항 9에 있어서,
상기 추출제의 사용량은 철(Fe) 이온 성분 1 몰을 기준으로 40 몰 내지 45 몰인 것인 폐염산 정제 방법.
- 청구항 1에 있어서,
상기 추출 단계(S2)는 폐염산과 추출 용액의 혼합 용액을 200 rpm 내지 600 rpm의 속도로 교반하면서 상온에서 20초 내지 60초 동안 실시하는 것인 폐염산 정제 방법.
- 청구항 1에 있어서,
상기 상분리 단계(S3)는 20초 이내로 실시하는 것인 폐염산 정제 방법.
- 청구항 1에 있어서,
상기 방법은 정제된 염산 수득단계(S4) 후에,
상기 분리된 금속 성분을 함유한 유기용매에 증류수를 첨가하여 유기용매 중의 잔류 금속 성분을 탈거하는 단계(S5);
탈거된 유기용매와 물층을 상분리하는 단계(S6); 및
상분리된 유기용매 및 물층을 각각 회수하는 단계(S7);를 추가로 포함하는 것인 폐염산 정제 방법.
- 청구항 13에 있어서,
상기 유기용매:증류수는 1:1의 부피비로 혼합하는 것인 폐염산 정제 방법.
- 청구항 13에 있어서,
상기 탈거 단계(S5)는 분리된 유기용매와 증류수의 혼합 용액을 200 rpm 내지 600 rpm의 속도로 교반하면서 상온에서 20초 내지 60초 동안 실시하는 것인 폐염산 정제 방법.
- 청구항 13에 있어서,
상기 상분리 단계(S6)는 20초 이내로 실시하는 것인 폐염산 정제 방법.
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