JPS6244996B2 - - Google Patents
Info
- Publication number
- JPS6244996B2 JPS6244996B2 JP54081749A JP8174979A JPS6244996B2 JP S6244996 B2 JPS6244996 B2 JP S6244996B2 JP 54081749 A JP54081749 A JP 54081749A JP 8174979 A JP8174979 A JP 8174979A JP S6244996 B2 JPS6244996 B2 JP S6244996B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- tank
- treatment
- water
- denitrification
- 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 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 31
- 239000010800 human waste Substances 0.000 claims description 25
- 238000000926 separation method Methods 0.000 claims description 21
- 238000010790 dilution Methods 0.000 claims description 17
- 239000012895 dilution Substances 0.000 claims description 17
- 238000005345 coagulation Methods 0.000 claims description 15
- 230000015271 coagulation Effects 0.000 claims description 15
- 229920006317 cationic polymer Polymers 0.000 claims description 7
- 238000000855 fermentation Methods 0.000 claims description 5
- 238000005188 flotation Methods 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 20
- 229910052698 phosphorus Inorganic materials 0.000 description 20
- 239000011574 phosphorus Substances 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 238000004062 sedimentation Methods 0.000 description 9
- 238000005273 aeration Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000005189 flocculation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010828 elution Methods 0.000 description 5
- 230000016615 flocculation Effects 0.000 description 5
- 238000005187 foaming Methods 0.000 description 5
- 230000001546 nitrifying effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 229920006318 anionic polymer Polymers 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000003113 dilution method Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- LSHFIWNMHGCYRS-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[OH4+2] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[OH4+2] LSHFIWNMHGCYRS-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 238000010170 biological method Methods 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
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 231100000676 disease causative agent Toxicity 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8174979A JPS565181A (en) | 1979-06-28 | 1979-06-28 | Treatment of organic waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8174979A JPS565181A (en) | 1979-06-28 | 1979-06-28 | Treatment of organic waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS565181A JPS565181A (en) | 1981-01-20 |
| JPS6244996B2 true JPS6244996B2 (enrdf_load_stackoverflow) | 1987-09-24 |
Family
ID=13755078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8174979A Granted JPS565181A (en) | 1979-06-28 | 1979-06-28 | Treatment of organic waste water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS565181A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008096585A1 (ja) * | 2007-02-05 | 2008-08-14 | Toray Industries, Inc. | ろ過装置および水処理方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576040A (en) * | 1983-06-29 | 1986-03-18 | Eagle-Picher Industries, Inc. | Device for measuring extraneous losses in apparatus for measuring the rolling resistance of tires |
| JPS6180025A (ja) * | 1984-09-28 | 1986-04-23 | Unyusho Senpaku Gijutsu Kenkyusho | タイヤ走行路面供試体試験装置 |
-
1979
- 1979-06-28 JP JP8174979A patent/JPS565181A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008096585A1 (ja) * | 2007-02-05 | 2008-08-14 | Toray Industries, Inc. | ろ過装置および水処理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS565181A (en) | 1981-01-20 |
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