KR20150144433A - 전처리된 순환골재를 이용하여 수용액 상에서 중금속을 제거하는 방법 - Google Patents
전처리된 순환골재를 이용하여 수용액 상에서 중금속을 제거하는 방법 Download PDFInfo
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- KR20150144433A KR20150144433A KR1020140073035A KR20140073035A KR20150144433A KR 20150144433 A KR20150144433 A KR 20150144433A KR 1020140073035 A KR1020140073035 A KR 1020140073035A KR 20140073035 A KR20140073035 A KR 20140073035A KR 20150144433 A KR20150144433 A KR 20150144433A
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- recycled aggregate
- heavy metals
- aqueous solution
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 63
- 239000003463 adsorbent Substances 0.000 claims abstract description 48
- 239000000243 solution Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052745 lead Inorganic materials 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000013049 sediment Substances 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 description 56
- 239000010949 copper Substances 0.000 description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 21
- 239000011701 zinc Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 11
- 239000002699 waste material Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 239000000383 hazardous chemical Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 4
- 238000003889 chemical engineering Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010364 biochemical engineering Methods 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 241000264279 Sargassum fusiforme Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
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- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Description
도 2는 HRA, RA 및 NRA 표면 성분을 SEM/EDS로 나타낸 것이다.
도 3은 RA 및 NRA의 표면 관능기의 FT-IR 스펙트럼 결과를 나타낸 것이다.
도 4는 NRA의 동역학적 중금속((●) Ni2+, (○) Zn2+, (▲) Cu2+, (■) Pb2+ 및 (□) Cd2+) 흡착 특성을 유사 1차 모델(실선) 및 유사 2차 모델(점선)로 분석한 것이다.
도 5는 NRA의 평형 중금속((●) Ni2+, (○) Zn2+, (▲) Cu2+, (■) Pb2+ 및 (□) Cd2+) 흡착에 있어 랑뮈에(Lanmuir) 모델(실선)과 프로인틀리히(Freundlich) 모델(점선)을 비교하여 나타낸 것이다.
도 6은 수산화나트륨 전처리 농도에 따른 순환골재의 중금속 흡착량을 비교하여 나타낸 것이다.
전처리 | 공극 크기 (nm) | 총 공극부피 (cm3/g) | BET 비표면적 (m2/g) |
비교예 2 (RA) | 11.16 | 0.014 | 5.17 |
비교예 1 (HRA) | 4.90 | 0.005 | 3.81 |
실시예 (NRA) | 8.01 | 0.022 | 10.74 |
중금속 | 유사 1차 모델 | 유사 2차 모델 | ||||
qe (mg/g) | K1 (1/분) | R2 | qe (mg/g) | K2 (1/분) | R2 | |
Ni2 + | 0.478 | 0.031 | 0.884 | 0.531 | 0.077 | 0.957 |
Zn2 + | 0.615 | 0.016 | 0.823 | 0.695 | 0.087 | 0.915 |
Cu2 + | 1.266 | 0.004 | 0.943 | 1.445 | 0.004 | 0.960 |
Pb2 + | 1.388 | 0.009 | 0.892 | 1.514 | 0.009 | 0.940 |
Cd2 + | 0.482 | 0.020 | 0.827 | 0.549 | 0.045 | 0.917 |
중금속 | 랑뮈에 모델 | 프로인틀리히 모델 | ||||
Qm (mg/g) | KL (L/mg) | R2 | KF (L/g) | 1/n | R2 | |
Ni2+ | 14.082 | 1.224 | 0.980 | 0.289 | 0.278 | 0.950 |
Zn2+ | 12.090 | 0.782 | 0.961 | 0.222 | 0.240 | 0.887 |
Cu2+ | 20.777 | 4.667 | 0.962 | 0.856 | 0.316 | 0.948 |
Pb2+ | 36.459 | 14.150 | 0.984 | 1.392 | 0.420 | 0.939 |
Cd2+ | 20.520 | 1.177 | 0.951 | 0.216 | 0.314 | 0.855 |
중금속 | 흡착제 | Qm (mg/g) | KF (L/g) | R2 | 참고문헌 |
Ni2+ | NRA 적니(Red mud) 톳(Hizikia fusiformis) 석회암(Limestone) |
14.082 10.950 13.900 0.038 |
1.224 0.072 4.214 0.805 |
0.980 0.986 0.978 0.977 |
실시예 Lopez et al. (1998) Shin and kim (2013) Aziz et al. (2008) |
Zn2+ | NRA 제올라이트혼합물(ZeoAds) 적니 톳 |
12.090 12.850 12.590 10.560 |
0.782 101.500 0.120 6.100 |
0.961 0.912 0.943 0.982 |
실시예 Ok et al. (2007) Lopez et al. (1998) Shin and kim (2013) |
Cu2+ | NRA 제올라이트혼합물 적니 |
20.777 23.250 19.720 |
4.667 51.500 0.020 |
0.962 0.979 0.905 |
실시예 Ok et al. (2007) Lopez et al. (1998) |
Pb2+ | NRA 제올라이트혼합물 톳 석회암 |
36.459 27.030 26.750 0.017 |
14.150 50.600 10.390 2.005 |
0.984 0.984 0.971 0.961 |
실시예 Ok et al. (2007) Shin and kim (2013) Aziz et al. (2008) |
Cd2+ | NRA 제올라이트혼합물 적니 톳 |
20.520 10.870 10.570 14.420 |
1.177 163.000 0.263 5.134 |
0.951 0.931 0.969 0.986 |
실시예 Ok et al. (2007) Lopez et al. (1998) Shin and kim (2013) |
1) Lopez et al., Water Research, 4: 1314-1322 (1998) 2) Shin and kim, Environmental Earth Sciences, (published online), (2013) 3) Aziz et al., Bioresource Technology, 99: 1578-1583 (2008) 4) Ok et al., Journal of Hazardous Materials, 147: 91-96 (2007) |
중금속 | WOT | WOT 기준 (mg/L) | TCLP | US EPA 기준 (mg/L) |
||
RA | NRA | RA | NRA | |||
Ni2 + | ND | ND | - | 0.002 | ND | 7.0 |
Zn2 + | ND | ND | - | 0.045 | 0.017 | - |
Cu2 + | 0.001 | 0.002 | 3.0 | 0.010 | 0.007 | - |
Pb2 + | ND | ND | 3.0 | ND | ND | 5.0 |
Cd2 + | ND | ND | 0.3 | 0.005 | ND | 1.0 |
Claims (6)
- (1) 순환골재(recycled aggregate)를 NaOH 용액으로 처리하여 순환골재 전처리물을 제조하는 단계;
(2) 상기 순환골재 전처리물을 세정 및 건조하여 흡착제를 제조하는 단계; 및
(3) 상기 흡착제를 이용하여 수용액 상에서 중금속을 흡착시키는 단계
를 포함하는, 순환골재를 이용하여 수용액 상에서 중금속을 제거하는 방법.
- 제1항에 있어서,
상기 순환골재가 60 내지 200℃의 오븐에서 12 내지 48시간 동안 건조 후, 입경분포가 0.5 내지 1.0 mm의 크기로 체가름된 것인, 순환골재를 이용하여 수용액 상에서 중금속을 제거하는 방법.
- 제1항에 있어서,
상기 순환골재 전처리물을 pH 6 내지 9가 되도록 세정하는, 순환골재를 이용하여 수용액 상에서 중금속을 제거하는 방법.
- 제1항에 있어서,
상기 중금속이 납(Pb), 구리(Cu), 카드뮴(Cd), 니켈(Ni), 아연(Zn) 및 이의 혼합물로 이루어진 군에서 선택되는, 순환골재를 이용하여 수용액 상에서 중금속을 제거하는 방법.
- 제1항에 있어서,
상기 NaOH 용액의 농도가 0.75 내지 1.5 M인, 순환골재를 이용하여 수용액 상에서 중금속을 제거하는 방법.
- 제1항에 있어서,
상기 NaOH 용액의 농도가 0.9 내지 1.1 M인, 순환골재를 이용하여 수용액 상에서 중금속을 제거하는 방법.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3849953A1 (fr) * | 2018-09-10 | 2021-07-21 | Université Gustave Eiffel | Procede de traitement de granulats recycles, et utilisation des granulats ainsi traites |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990072192A (ko) | 1995-12-14 | 1999-09-27 | 스프레이그 로버트 월터 | 회분식 반응기를 이용한 벌크 라디칼 중합 방법 |
-
2014
- 2014-06-16 KR KR1020140073035A patent/KR20150144433A/ko not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990072192A (ko) | 1995-12-14 | 1999-09-27 | 스프레이그 로버트 월터 | 회분식 반응기를 이용한 벌크 라디칼 중합 방법 |
Non-Patent Citations (9)
Title |
---|
[비특허문헌 11] Shin and Kim, Journal of the Korean Society for Marine Environment and Energy, 16: 5-120, 2013 |
[비특허문헌 2] Aydin et al., Journal of Environmental and Management, 87: 37-45, 2008 |
[비특허문헌 3] Kurniawan et al., Chemical Engineering Journal, 118: 83-98, 2006 |
Aman et al., Biointerfaces, 63116-121, 2008 |
Amuda et al., Biochemical Engineering Journal, 36174-181, 2007 |
Chuah et al., Desalination, 175: 305-316, 2005 |
Coleman et al., Journal of Hazardous Materials, 121203-213, 2005 |
Horsfall and Abia et al., Water Research, 374913-4923, 2003 |
Lo et al., Chemical Engineering Research and Design, 90: 1397-1406, 2012 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3849953A1 (fr) * | 2018-09-10 | 2021-07-21 | Université Gustave Eiffel | Procede de traitement de granulats recycles, et utilisation des granulats ainsi traites |
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