KR100856909B1 - 세척기술과 동전기 기술을 결합한 티피에이치 오염 토양의정화 - Google Patents
세척기술과 동전기 기술을 결합한 티피에이치 오염 토양의정화 Download PDFInfo
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- KR100856909B1 KR100856909B1 KR1020080050144A KR20080050144A KR100856909B1 KR 100856909 B1 KR100856909 B1 KR 100856909B1 KR 1020080050144 A KR1020080050144 A KR 1020080050144A KR 20080050144 A KR20080050144 A KR 20080050144A KR 100856909 B1 KR100856909 B1 KR 100856909B1
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- soil
- washing
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- contaminated
- electrolyte
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- 239000002689 soil Substances 0.000 title claims abstract description 115
- 238000004140 cleaning Methods 0.000 title claims description 9
- 238000005516 engineering process Methods 0.000 title abstract description 11
- 238000000746 purification Methods 0.000 title description 14
- 238000000034 method Methods 0.000 claims abstract description 50
- 238000000926 separation method Methods 0.000 claims abstract description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 48
- 238000005406 washing Methods 0.000 claims description 31
- 239000003792 electrolyte Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 6
- -1 fatty acid esters Chemical class 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- 239000002736 nonionic surfactant Substances 0.000 claims description 3
- 239000003209 petroleum derivative Substances 0.000 claims description 3
- IEQAICDLOKRSRL-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-dodecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO IEQAICDLOKRSRL-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- SFNALCNOMXIBKG-UHFFFAOYSA-N ethylene glycol monododecyl ether Chemical compound CCCCCCCCCCCCOCCO SFNALCNOMXIBKG-UHFFFAOYSA-N 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000693 micelle Substances 0.000 claims description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 2
- 229920000053 polysorbate 80 Polymers 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 238000005550 wet granulation Methods 0.000 claims description 2
- 230000005684 electric field Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 2
- 239000003945 anionic surfactant Substances 0.000 claims 1
- 239000004927 clay Substances 0.000 abstract description 12
- 239000000356 contaminant Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- JBJWASZNUJCEKT-UHFFFAOYSA-M sodium;hydroxide;hydrate Chemical compound O.[OH-].[Na+] JBJWASZNUJCEKT-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/11—Electrochemical processes, e.g. electrodialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
- B09C1/085—Reclamation of contaminated soil chemically electrochemically, e.g. by electrokinetics
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
| 실시예 번호. | 전해질 | 세척제 |
| Exp. 1 | 0.1 M MgSO4 | 물 |
| Exp. 2 | 10% IPA | |
| Exp. 3 | 0.5 wt% 터지톨 | |
| Exp. 4 | 10% IPA중의 0.5 wt% 터지톨 | |
| Exp. 5 | 0.1 M NaOH | 물 |
| Exp. 6 | 10% IPA | |
| Exp. 7 | 0.5 wt% 터지톨 | |
| Exp. 8 | 10% IPA중의 0.5 wt% 터지톨 |
Claims (5)
- TPH(total petroleum hydrocarbon)로 오염된 토양을 정화시키는 방법으로서,TPH로 오염된 토양을 토양 세척법으로 처리하고 습식입도분리과정에 의해서 입도 0.1mm 이상의 정화된 사질토와 입도 0.1mm 미만의 정화되지 않은 미세토양으로 분리하는 단계;토양세척법으로 정화되지 않은 분리된 미세토양을 양쪽 단부에 양극이 있는 양극실과 음극이 있는 음극실이 각각 구비되어 있는 용기에 넣는 단계; 및전류밀도가 0.1 mA/cm2 내지 10 mA/cm2이거나 전압경사가 0.1 내지 10V/cm가 되도록 상기 전극에 전류를 공급하면서, 전해질이 함유된 세척액을 양극실에 공급하고, 양극실에 공급된 세척액과 전해질이 미세토양을 통해서 음극실 전기장에 의해 이동시켜 TPH로 오염된 토양을 정화시키는 방법.
- TPH(total petroleum hydrocarbon)로 오염된 토양을 정화시키는 방법으로서,TPH로 오염된 토양을 습식입도분리과정에 의해서 입도 0.1mm 이상의 사질토와 입도 0.1mm 미만의 미세토양으로 분리하는 단계;분리된 사질토를 토양 세척법으로 세척하는 단계;분리된 미세토양을 양쪽 단부에 양극이 있는 양극실과 음극이 있는 음극실이 각각 구비되어 있는 용기에 넣는 단계; 및전류밀도가 0.1 mA/cm2 내지 10 mA/cm2이거나 전압경사가 0.1 내지 10V/cm가 되도록 상기 전극에 전류를 공급하면서, 전해질이 함유된 세척액을 양극실에 공급하고, 양극실에 공급된 세척액과 전해질이 미세토양을 통해서 음극실 전기장에 의해 이동시켜 TPH로 오염된 토양을 정화시키는 방법.
- 제 1항 또는 제 2항에 있어서, 전해질이 MgSO4, NaOH, NaCl 또는 NaNO3인 방법.
- 제 1항 또는 제 2항에 있어서, 세척액이 물, 10wt% 이소프로필 알코올(IPA) 수용액, 0.5 wt% 터지톨(tergitol) 수용액, 또는 0.5 wt% 터지톨 + 10% IPA 수용액인 방법.
- 제 1항 또는 제 2항에 있어서, 토양 세척법에 사용되는 계면활성제가 음이온 계면 활성제인 나트륨 도데실 설페이트(SDS: Sodium dodecyl sulfate), 나트륨 도데실 벤젠 설포네이트(SDBS: Sodium dodecyl benzene sulfonate)와 비이온 계면활 성제인 폴리옥시에틸렌 소르비탄 지방산 에스테르(polyoxyethylene sorbitan fatty acid esters: Tween40 또는 Tween80), 폴리옥시에틸렌 알코올(polyoxyethylene alcohols: Brij30 또는 Brij35)로부터 선택되며, 이들이 임계 마이셀 농도 이상의 수용액으로 사용되는 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080050144A KR100856909B1 (ko) | 2008-05-29 | 2008-05-29 | 세척기술과 동전기 기술을 결합한 티피에이치 오염 토양의정화 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080050144A KR100856909B1 (ko) | 2008-05-29 | 2008-05-29 | 세척기술과 동전기 기술을 결합한 티피에이치 오염 토양의정화 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR100856909B1 true KR100856909B1 (ko) | 2008-09-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020080050144A Active KR100856909B1 (ko) | 2008-05-29 | 2008-05-29 | 세척기술과 동전기 기술을 결합한 티피에이치 오염 토양의정화 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100856909B1 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100928065B1 (ko) | 2009-07-24 | 2009-11-23 | 금오공과대학교 산학협력단 | 세척기술과 전기역학적 정화기술을 결합한 중금속 오염 토양의 정화 방법 |
| KR200468012Y1 (ko) | 2013-05-08 | 2013-07-16 | (주)동명엔터프라이즈 | 유류 및 중금속 복합오염 점성토양의 정화장치 |
| CN115672968A (zh) * | 2022-11-11 | 2023-02-03 | 常州大学 | 一种超声强化电动修复菲污染土壤的方法 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5616235A (en) | 1996-06-03 | 1997-04-01 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Electrochemical stabilization of soils and other porous media |
| KR20030014054A (ko) * | 2001-08-10 | 2003-02-15 | 주식회사 에코필 | 동전기를 이용한 생물학적오염토양 정화방법 |
| KR20030029204A (ko) * | 2001-10-05 | 2003-04-14 | 주식회사 에코필 | 동전기를 이용한 토양정화방법 |
| KR20030072053A (ko) * | 2002-03-05 | 2003-09-13 | 주식회사 에코필 | 동전기를 이용한 오염토양의 정화시스템 |
| KR100414771B1 (ko) | 2003-07-14 | 2004-01-13 | 한국환경기술(주) | 전기삼투현상을 이용한 오염토양내 유류오염물산화분해방법 및 그 장치 |
| KR20050081622A (ko) * | 2004-02-16 | 2005-08-19 | 현대건설주식회사 | 토사세척에 의한 비소 오염토 처리방법 |
| KR20060009978A (ko) * | 2004-07-27 | 2006-02-02 | 대원실업 주식회사 | 전기세척반응파일기법에 의한 사질토 및 점성토가 혼재된오염지반의 정화, 복원방법 및 장치 |
| KR100578020B1 (ko) * | 2005-06-29 | 2006-05-10 | 고등기술연구원연구조합 | 펄스파워를 이용한 동전기 오염 토양 정화 시스템 |
| KR100767339B1 (ko) | 2006-11-10 | 2007-10-17 | 금오공과대학교 산학협력단 | 동전기를 이용한 불소 오염된 토양의 정화방법 |
-
2008
- 2008-05-29 KR KR1020080050144A patent/KR100856909B1/ko active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5616235A (en) | 1996-06-03 | 1997-04-01 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Electrochemical stabilization of soils and other porous media |
| KR20030014054A (ko) * | 2001-08-10 | 2003-02-15 | 주식회사 에코필 | 동전기를 이용한 생물학적오염토양 정화방법 |
| KR20030029204A (ko) * | 2001-10-05 | 2003-04-14 | 주식회사 에코필 | 동전기를 이용한 토양정화방법 |
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| KR20050081622A (ko) * | 2004-02-16 | 2005-08-19 | 현대건설주식회사 | 토사세척에 의한 비소 오염토 처리방법 |
| KR20060009978A (ko) * | 2004-07-27 | 2006-02-02 | 대원실업 주식회사 | 전기세척반응파일기법에 의한 사질토 및 점성토가 혼재된오염지반의 정화, 복원방법 및 장치 |
| KR100578020B1 (ko) * | 2005-06-29 | 2006-05-10 | 고등기술연구원연구조합 | 펄스파워를 이용한 동전기 오염 토양 정화 시스템 |
| KR100767339B1 (ko) | 2006-11-10 | 2007-10-17 | 금오공과대학교 산학협력단 | 동전기를 이용한 불소 오염된 토양의 정화방법 |
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| Title |
|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100928065B1 (ko) | 2009-07-24 | 2009-11-23 | 금오공과대학교 산학협력단 | 세척기술과 전기역학적 정화기술을 결합한 중금속 오염 토양의 정화 방법 |
| KR200468012Y1 (ko) | 2013-05-08 | 2013-07-16 | (주)동명엔터프라이즈 | 유류 및 중금속 복합오염 점성토양의 정화장치 |
| CN115672968A (zh) * | 2022-11-11 | 2023-02-03 | 常州大学 | 一种超声强化电动修复菲污染土壤的方法 |
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