JP4307275B2 - 汚水の処理方法 - Google Patents
汚水の処理方法 Download PDFInfo
- Publication number
- JP4307275B2 JP4307275B2 JP2004019109A JP2004019109A JP4307275B2 JP 4307275 B2 JP4307275 B2 JP 4307275B2 JP 2004019109 A JP2004019109 A JP 2004019109A JP 2004019109 A JP2004019109 A JP 2004019109A JP 4307275 B2 JP4307275 B2 JP 4307275B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- membrane
- membrane separation
- aeration
- intermittent aeration
- 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.)
- Expired - Lifetime
Links
- 238000004065 wastewater treatment Methods 0.000 title description 2
- 239000012528 membrane Substances 0.000 claims description 85
- 238000005273 aeration Methods 0.000 claims description 71
- 238000000926 separation method Methods 0.000 claims description 55
- 239000007788 liquid Substances 0.000 claims description 41
- 239000010865 sewage Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000000706 filtrate Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 28
- 229910052760 oxygen Inorganic materials 0.000 description 28
- 239000001301 oxygen Substances 0.000 description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 13
- 229910052698 phosphorus Inorganic materials 0.000 description 13
- 239000011574 phosphorus Substances 0.000 description 13
- 239000010802 sludge Substances 0.000 description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 244000005700 microbiome Species 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000036284 oxygen consumption Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Description
12 間欠曝気槽
13 膜分離槽
14 汚水流入管
15 硝化液循環管
16 汚泥返送管
17 処理水管
18 汚泥排出管
19 薬品供給管
Claims (1)
- 流入汚水を嫌気槽と間欠曝気槽と膜分離槽とに順次に導き、膜分離槽から間欠曝気槽へ槽内混合液を硝化液循環として返送し、間欠曝気槽から嫌気槽へ非曝気時においてのみ槽内混合液を返送し、膜分離槽に浸漬した膜分離装置によって固液分離した膜ろ液を処理水として取り出すことを特徴とする汚水の処理方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004019109A JP4307275B2 (ja) | 2004-01-28 | 2004-01-28 | 汚水の処理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004019109A JP4307275B2 (ja) | 2004-01-28 | 2004-01-28 | 汚水の処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005211728A JP2005211728A (ja) | 2005-08-11 |
JP4307275B2 true JP4307275B2 (ja) | 2009-08-05 |
Family
ID=34903424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004019109A Expired - Lifetime JP4307275B2 (ja) | 2004-01-28 | 2004-01-28 | 汚水の処理方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4307275B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7147778B1 (en) * | 2006-01-05 | 2006-12-12 | I. Kruger Inc. | Method and system for nitrifying and denitrifying wastewater |
JP4690265B2 (ja) * | 2006-08-04 | 2011-06-01 | メタウォーター株式会社 | 排水処理方法 |
JP5115252B2 (ja) * | 2008-03-10 | 2013-01-09 | 株式会社Ihi | 廃水の活性汚泥処理方法及び活性汚泥処理装置 |
JP2010012393A (ja) * | 2008-07-02 | 2010-01-21 | Act Trade System Kk | 有機系汚泥の処理方法、無機系汚泥の処理方法及び有機系及び無機系汚泥の処理方法 |
JP6634862B2 (ja) * | 2015-03-16 | 2020-01-22 | 三菱ケミカル株式会社 | 排水の処理方法、および排水の処理装置 |
-
2004
- 2004-01-28 JP JP2004019109A patent/JP4307275B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005211728A (ja) | 2005-08-11 |
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