KR960034095A - 염화칼슘과 철염을 이용한 불소폐수 처리방법 - Google Patents
염화칼슘과 철염을 이용한 불소폐수 처리방법 Download PDFInfo
- Publication number
- KR960034095A KR960034095A KR1019950006988A KR19950006988A KR960034095A KR 960034095 A KR960034095 A KR 960034095A KR 1019950006988 A KR1019950006988 A KR 1019950006988A KR 19950006988 A KR19950006988 A KR 19950006988A KR 960034095 A KR960034095 A KR 960034095A
- Authority
- KR
- South Korea
- Prior art keywords
- fluorine
- treatment method
- calcium chloride
- iron
- wastewater treatment
- Prior art date
Links
Classifications
-
- 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
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2001/007—Processes including a sedimentation step
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
불소이온의 농도가 높은 경우에는 적당량의 철화합물(염화철, 황산철 등)을 첨가하고 반응 당량의 2~3배 정도의 염화칼슘을 첨가하여 반응시간 10분 이내에 불소이온의 농도를 20~30㎎/L 까지 갖추는 1차 처리를 하고 알루미늄 화합물을 넣고 반응액의 pH를 6.0~7.2 사이로 한 후 잔여 불소이온을 고형물과 함께 공침시켜 침강 분리하거나 고분자 응집제를 주입하여 침강분리하는 불소폐수 처리방법.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (2)
- 불소이온을 다량 함유한 폐수에 철화합물과 염화칼슘을 투입하여 pH 6.0~7.5 범위에서 반응시켜 고형물로 침전시켜 제거한 후 잔류 불소이온을 명반을 사용하여 pH를 6.0~7.2로 조절한 후 불소이온을 고형물로 침전시켜 불소를 제거하는 것을 특징으로 하는 불소함유 폐수처리방법.
- 제1항에 있어서, 철화합물로 황산철, 염화철을 사용하는 것을 특징으로 하는 불소함유 폐수처리방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950006988A KR0150331B1 (ko) | 1995-03-30 | 1995-03-30 | 염화칼슘과 철염을 이용한 불소폐수 처리방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950006988A KR0150331B1 (ko) | 1995-03-30 | 1995-03-30 | 염화칼슘과 철염을 이용한 불소폐수 처리방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960034095A true KR960034095A (ko) | 1996-10-22 |
KR0150331B1 KR0150331B1 (ko) | 1998-08-17 |
Family
ID=19410881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950006988A KR0150331B1 (ko) | 1995-03-30 | 1995-03-30 | 염화칼슘과 철염을 이용한 불소폐수 처리방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0150331B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980086123A (ko) * | 1997-05-31 | 1998-12-05 | 엄길용 | 불산함유폐수 처리 방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3169899B2 (ja) * | 1998-07-15 | 2001-05-28 | 日本電気環境エンジニアリング株式会社 | フッ素含有排水の処理方法とその装置 |
KR100390159B1 (ko) * | 1999-03-09 | 2003-07-04 | (주)니드켐 | 불소를 함유한 산업폐수 처리제 및 처리방법 |
-
1995
- 1995-03-30 KR KR1019950006988A patent/KR0150331B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980086123A (ko) * | 1997-05-31 | 1998-12-05 | 엄길용 | 불산함유폐수 처리 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR0150331B1 (ko) | 1998-08-17 |
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