KR102099125B1 - 중금속 안정화제 및 이를 이용한 오염 퇴적층의 중금속 확산 및 용출 억제방법 - Google Patents
중금속 안정화제 및 이를 이용한 오염 퇴적층의 중금속 확산 및 용출 억제방법 Download PDFInfo
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 107
- 239000013049 sediment Substances 0.000 title claims abstract description 59
- 238000009792 diffusion process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000010828 elution Methods 0.000 title description 9
- 230000005764 inhibitory process Effects 0.000 title 1
- 238000001179 sorption measurement Methods 0.000 claims abstract description 35
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- 238000011109 contamination Methods 0.000 claims abstract description 9
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- 239000010457 zeolite Substances 0.000 claims description 30
- 229910021536 Zeolite Inorganic materials 0.000 claims description 28
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
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- WZRRRFSJFQTGGB-UHFFFAOYSA-N 1,3,5-triazinane-2,4,6-trithione Chemical compound S=C1NC(=S)NC(=S)N1 WZRRRFSJFQTGGB-UHFFFAOYSA-N 0.000 claims description 12
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- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical group [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
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- WJJGDZRWJJQQFW-UHFFFAOYSA-N 1,3,5-triazinane-2,4,6-trithione triazine Chemical compound SC1=NC(=NC(=N1)S)S.N1=NN=CC=C1 WJJGDZRWJJQQFW-UHFFFAOYSA-N 0.000 description 1
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 description 1
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- 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
-
- 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
-
- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- 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
- C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
본 발명에 따른 중금속 안정화제는 어류나 수생생물에 무해한 친환경 제제로, 하천 수계내의 오염 퇴적층의 중금속 확산 방지 및 용출을 억제하여 2차 오염을 유발하지 않고, 이를 이용하는 수중의 많은 미생물, 어패류, 조류, 동식물 등의 먹이사슬에 의한 생물학적 축척을 예방할 수 있는 효과가 있다.
Description
도 2는 본 발명에 따른 중금속 안정화제를 이용한 형산강 구역(HS_1)에서 시공 전후 공극수 내 총 수은(THg) 농도 수직분포를 나타낸 것이다.
도 3은 본 발명에 따른 중금속 안정화제를 이용한 형산강 구역(HS_2)에서 시공 전후 공극수 내 총 수은(THg) 농도 수직분포를 나타낸 것이다.
도 4는 본 발명에 따른 중금속 안정화제를 이용한 형산강 구역(HS_3)에서 시공 전후 공극수 내 총 수은(THg) 농도 수직분포를 나타낸 것이다.
도 5는 본 발명에 따른 중금속 안정화제를 이용한 형산강 구역(HS_4)에서 시공 전후 공극수 내 총 수은(THg) 농도 수직분포를 나타낸 것이다.
도 6은 본 발명에 따른 중금속 안정화제를 이용한 구무천 구역(GM_1)에서 시공 전후 공극수내 총 수은(THg) 농도 수직분포를 나타낸 것이다.
도 7은 본 발명에 따른 중금속 안정화제를 이용한 구무천 구역(GM_2)에서 시공 전후 공극수 내 총 수은(THg) 농도 수직분포를 나타낸 것이다.
1가 금속 |
3Me+ + OW-RH3- → Me3OW-RH (low solubility) |
2가 금속 |
3Me2+ + 2 OW-RH3- → Me3(OW-RH)2 (low solubility) |
Me+, Me2+ = 중금속, OW-RH3- = C3N3S3 3- |
화합물명 |
Sodium sulphide |
Sodium trithio- carbonate |
Dimethyldithio- carbamate |
2,4,6-Trimercapto-s-triazine |
구조식 |
Na -S -Na |
|
|
|
CAS 번호 | 1313-82-2 | 534-18-9 | 128-04-1 | 17766-26-6 |
믈성 | 60% solid | soiution | 2% solution | solution |
동물독성 LD50(rat, mg/kg) |
208 |
없음 |
3,590 |
7,878 |
어류독성 LC50(fish, mg/L) |
25 |
7.5 |
20 |
4,000 |
유전자변형 | 없음 | 없음 | 있음 | 없음 |
분해생성물 | H2S | H2S + CS2 | CS2 | 없음 |
Claims (4)
- 삭제
- 삭제
- 활성탄과 제올라이트를 혼합한 흡착안정화제와,
2,4,6-트리머캅토(Trimercapto)-s-트리아진(triazine)과 제올라이트를 혼합하여 볼형태로 제형화한 침전안정화제를 포함하는 중금속 안정화제를 이용한 오염 퇴적층의 중금속 확산 및 용출 억제방법에 있어서,
하천 및 호소의 오염 퇴적층에 중금속 오염 퇴적층 30cm 기준으로 건조감량 0.3~2중량%의 침전안정화제를 처리하는 침전안정화제 처리단계;
상기 침전안정화제가 처리된 상부에 중금속 오염 퇴적층 30cm 기준으로 건조감량 0.3~10중량%의 흡착안정화제를 처리하는 흡착안정화제 처리단계; 및
상기 흡착안정화제가 처리된 상부에 중금속 오염 퇴적층 30cm 기준으로 건조감량 3~5중량%의 입도 0.5~2.0mm인 모래를 처리하는 모래 처리단계;
로 이루어진 것을 특징으로 하는 오염 퇴적층의 중금속 확산 및 용출 억제방법.
- 제3항에 있어서,
상기 흡착안정화제는,
입도 3~5mm인 활성탄과 입도 1~4mm인 제올라이트를 중량대비 1 : 0.5~1.5의 비율로 혼합하며,
상기 침전안정화제는
2,4,6-트리머캅토(Trimercapto)-s-트리아진(triazine)과 제올라이트를 중량대비 1 : 5~15의 비율로 혼합하여 입도가 3~4mm인 볼형태로 제형화한 것을 특징으로 하는 오염 퇴적층의 중금속 확산 및 용출 억제방법.
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CN114180664A (zh) * | 2021-12-07 | 2022-03-15 | 河北工业大学 | 一种可实现河涌两相体同步净化及控制内源污染的环保集成方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US4508838A (en) * | 1982-08-27 | 1985-04-02 | Sud Chemie Aktiengesellschaft | Compositions containing thiolates for removal of heavy metal ions from dilute aqueous solutions |
KR20040101334A (ko) | 2002-03-22 | 2004-12-02 | 니혼 엔바이로 케미카루즈 가부시키가이샤 | 수중 중금속 제거제 |
JP2014184437A (ja) * | 2001-11-30 | 2014-10-02 | Matsuda Giken Kogyo Kk | 汚染土壌用固化不溶化剤 |
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US4508838A (en) * | 1982-08-27 | 1985-04-02 | Sud Chemie Aktiengesellschaft | Compositions containing thiolates for removal of heavy metal ions from dilute aqueous solutions |
JP2014184437A (ja) * | 2001-11-30 | 2014-10-02 | Matsuda Giken Kogyo Kk | 汚染土壌用固化不溶化剤 |
KR20040101334A (ko) | 2002-03-22 | 2004-12-02 | 니혼 엔바이로 케미카루즈 가부시키가이샤 | 수중 중금속 제거제 |
Cited By (2)
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CN114180664A (zh) * | 2021-12-07 | 2022-03-15 | 河北工业大学 | 一种可实现河涌两相体同步净化及控制内源污染的环保集成方法 |
CN114180664B (zh) * | 2021-12-07 | 2024-05-14 | 河北工业大学 | 一种可实现河涌两相体同步净化及控制内源污染的环保集成方法 |
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