JPH0243998A - し尿系汚水の処理方法 - Google Patents
し尿系汚水の処理方法Info
- Publication number
- JPH0243998A JPH0243998A JP63192780A JP19278088A JPH0243998A JP H0243998 A JPH0243998 A JP H0243998A JP 63192780 A JP63192780 A JP 63192780A JP 19278088 A JP19278088 A JP 19278088A JP H0243998 A JPH0243998 A JP H0243998A
- Authority
- JP
- Japan
- Prior art keywords
- activated sludge
- sludge
- tank
- biological
- liquid separation
- 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
- 239000010865 sewage Substances 0.000 title abstract description 4
- 230000029142 excretion Effects 0.000 title abstract 3
- 239000010802 sludge Substances 0.000 claims abstract description 73
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 239000000706 filtrate Substances 0.000 claims abstract description 5
- 239000010800 human waste Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 27
- 238000000108 ultra-filtration Methods 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 23
- 239000010797 grey water Substances 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 238000001471 micro-filtration Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 239000008394 flocculating agent Substances 0.000 abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 230000000802 nitrating effect Effects 0.000 abstract 3
- 125000002091 cationic group Chemical group 0.000 abstract 1
- 244000005700 microbiome Species 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 229920006317 cationic polymer Polymers 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 241000257465 Echinoidea Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 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
- 238000004140 cleaning Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- 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 |
|---|---|---|---|
| JP63192780A JPH0243998A (ja) | 1988-08-03 | 1988-08-03 | し尿系汚水の処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63192780A JPH0243998A (ja) | 1988-08-03 | 1988-08-03 | し尿系汚水の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0243998A true JPH0243998A (ja) | 1990-02-14 |
| JPH0310397B2 JPH0310397B2 (enrdf_load_stackoverflow) | 1991-02-13 |
Family
ID=16296884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63192780A Granted JPH0243998A (ja) | 1988-08-03 | 1988-08-03 | し尿系汚水の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243998A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647398A (ja) * | 1992-07-31 | 1994-02-22 | Ebara Infilco Co Ltd | 有機性汚水の処理方法 |
-
1988
- 1988-08-03 JP JP63192780A patent/JPH0243998A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647398A (ja) * | 1992-07-31 | 1994-02-22 | Ebara Infilco Co Ltd | 有機性汚水の処理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0310397B2 (enrdf_load_stackoverflow) | 1991-02-13 |
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