JPH0416239B2 - - Google Patents
Info
- Publication number
- JPH0416239B2 JPH0416239B2 JP23479383A JP23479383A JPH0416239B2 JP H0416239 B2 JPH0416239 B2 JP H0416239B2 JP 23479383 A JP23479383 A JP 23479383A JP 23479383 A JP23479383 A JP 23479383A JP H0416239 B2 JPH0416239 B2 JP H0416239B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- tank
- mixed liquid
- aerobic tank
- phosphorus
- 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
Links
- 239000010802 sludge Substances 0.000 claims description 101
- 238000000034 method Methods 0.000 claims description 59
- 238000011282 treatment Methods 0.000 claims description 53
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 32
- 229910052698 phosphorus Inorganic materials 0.000 claims description 32
- 239000011574 phosphorus Substances 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000010865 sewage Substances 0.000 claims description 23
- 150000003839 salts Chemical class 0.000 claims description 13
- 238000004062 sedimentation Methods 0.000 claims description 12
- 239000002562 thickening agent Substances 0.000 claims description 10
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 230000008719 thickening Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005273 aeration Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 208000005156 Dehydration Diseases 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000035611 feeding Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 235000012255 calcium oxide Nutrition 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- -1 Here Chemical class 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23479383A JPS60125299A (ja) | 1983-12-13 | 1983-12-13 | 汚水処理法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23479383A JPS60125299A (ja) | 1983-12-13 | 1983-12-13 | 汚水処理法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60125299A JPS60125299A (ja) | 1985-07-04 |
| JPH0416239B2 true JPH0416239B2 (enrdf_load_stackoverflow) | 1992-03-23 |
Family
ID=16976474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23479383A Granted JPS60125299A (ja) | 1983-12-13 | 1983-12-13 | 汚水処理法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60125299A (enrdf_load_stackoverflow) |
-
1983
- 1983-12-13 JP JP23479383A patent/JPS60125299A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60125299A (ja) | 1985-07-04 |
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