JPS6146198B2 - - Google Patents
Info
- Publication number
- JPS6146198B2 JPS6146198B2 JP53014158A JP1415878A JPS6146198B2 JP S6146198 B2 JPS6146198 B2 JP S6146198B2 JP 53014158 A JP53014158 A JP 53014158A JP 1415878 A JP1415878 A JP 1415878A JP S6146198 B2 JPS6146198 B2 JP S6146198B2
- Authority
- JP
- Japan
- Prior art keywords
- treated water
- sludge
- water
- tank
- activated sludge
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 239000010802 sludge Substances 0.000 claims description 47
- 238000005273 aeration Methods 0.000 claims description 27
- -1 nitrite ions Chemical class 0.000 claims description 24
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 19
- 239000010800 human waste Substances 0.000 claims description 18
- 230000014759 maintenance of location Effects 0.000 claims description 12
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 10
- 229940005654 nitrite ion Drugs 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 241000894006 Bacteria Species 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000000701 coagulant Substances 0.000 claims 1
- 238000004042 decolorization Methods 0.000 description 12
- 238000000746 purification Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 6
- 230000000813 microbial effect Effects 0.000 description 6
- 238000005345 coagulation Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 229910002651 NO3 Inorganic materials 0.000 description 4
- 241000605159 Nitrobacter Species 0.000 description 4
- 241000605122 Nitrosomonas Species 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 150000002830 nitrogen compounds Chemical class 0.000 description 2
- 238000006385 ozonation reaction Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 210000000941 bile Anatomy 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007269 microbial metabolism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1415878A JPS54108458A (en) | 1978-02-13 | 1978-02-13 | Method of decoloring and purifying night-soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1415878A JPS54108458A (en) | 1978-02-13 | 1978-02-13 | Method of decoloring and purifying night-soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54108458A JPS54108458A (en) | 1979-08-25 |
| JPS6146198B2 true JPS6146198B2 (enrdf_load_stackoverflow) | 1986-10-13 |
Family
ID=11853334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1415878A Granted JPS54108458A (en) | 1978-02-13 | 1978-02-13 | Method of decoloring and purifying night-soil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54108458A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128197U (ja) * | 1991-05-17 | 1992-11-24 | 株式会社ハーミス | 成型品取り出し装置 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2529804B2 (ja) * | 1992-08-28 | 1996-09-04 | 日本碍子株式会社 | 充填層を用いた下水処理装置 |
| JP2539572B2 (ja) * | 1992-08-28 | 1996-10-02 | 日本碍子株式会社 | 充填層を用いた下水処理装置 |
| US6872313B1 (en) * | 2002-09-23 | 2005-03-29 | Agrimond Usa Corporation | Domestic wastewater treatment system |
-
1978
- 1978-02-13 JP JP1415878A patent/JPS54108458A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128197U (ja) * | 1991-05-17 | 1992-11-24 | 株式会社ハーミス | 成型品取り出し装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54108458A (en) | 1979-08-25 |
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