JP2000210677A5 - Sludge flocculation method and water treatment method - Google Patents
Sludge flocculation method and water treatment method Download PDFInfo
- Publication number
- JP2000210677A5 JP2000210677A5 JP1999316414A JP31641499A JP2000210677A5 JP 2000210677 A5 JP2000210677 A5 JP 2000210677A5 JP 1999316414 A JP1999316414 A JP 1999316414A JP 31641499 A JP31641499 A JP 31641499A JP 2000210677 A5 JP2000210677 A5 JP 2000210677A5
- Authority
- JP
- Japan
- Prior art keywords
- water treatment
- sludge flocculation
- treatment method
- sludge
- flocculation method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010802 sludge Substances 0.000 title description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 2
- 230000016615 flocculation Effects 0.000 title 1
- 238000005189 flocculation Methods 0.000 title 1
- 159000000007 calcium salts Chemical class 0.000 description 5
- 230000001112 coagulant Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L Calcium lactate Chemical group [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 1
- 229960002401 calcium lactate Drugs 0.000 description 1
- 239000001527 calcium lactate Substances 0.000 description 1
- 235000011086 calcium lactate Nutrition 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 230000003311 flocculating Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 被処理液に対してカルシウム塩を添加した後、凝集剤を添加することを特徴とするとする汚泥の凝集方法。
【請求項２】 上記カルシウム塩が石膏である、請求項１に記載の汚泥の凝集方法。
【請求項３】 上記カルシウム塩が乳酸カルシウムである、請求項１に記載の汚泥の凝集方法。
【請求項４】 上記カルシウム塩と凝集剤の添加後に脱臭剤を添加する、請求項１に記載の汚泥の凝集方法。
【請求項５】 被処理液に対してカルシウム塩を添加して窒素を除去することを特徴とする水処理方法。
[Claims]
1. A method for flocculating sludge, comprising adding a calcium salt to a liquid to be treated and then adding a flocculant.
2. The method for coagulating sludge according to claim 1, wherein said calcium salt is gypsum.
3. The method for coagulating sludge according to claim 1, wherein said calcium salt is calcium lactate.
4. The method for coagulating sludge according to claim 1, wherein a deodorant is added after the addition of the calcium salt and the coagulant.
Claim 5. A water treatment method comprising adding a calcium salt to a liquid to be treated to remove nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31641499A JP4259700B2 (en) | 1998-11-19 | 1999-11-08 | Sludge aggregation method and water treatment method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10-329263 | 1998-11-19 | ||
| JP32926398 | 1998-11-19 | ||
| JP31641499A JP4259700B2 (en) | 1998-11-19 | 1999-11-08 | Sludge aggregation method and water treatment method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000210677A JP2000210677A (en) | 2000-08-02 |
| JP2000210677A5 true JP2000210677A5 (en) | 2008-01-31 |
| JP4259700B2 JP4259700B2 (en) | 2009-04-30 |
Family
ID=26568650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31641499A Expired - Fee Related JP4259700B2 (en) | 1998-11-19 | 1999-11-08 | Sludge aggregation method and water treatment method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4259700B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002079004A (en) * | 2000-09-07 | 2002-03-19 | Yoshiro Wakimura | Aggregation method |
| JP2002079261A (en) * | 2000-09-07 | 2002-03-19 | Yoshiro Wakimura | Flocculation method |
| JP4707012B2 (en) * | 2003-06-05 | 2011-06-22 | 栗田工業株式会社 | Sludge malodor control method |
-
1999
- 1999-11-08 JP JP31641499A patent/JP4259700B2/en not_active Expired - Fee Related
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