JPH0259100A - 有機性汚泥の処理方法 - Google Patents
有機性汚泥の処理方法Info
- Publication number
- JPH0259100A JPH0259100A JP63209454A JP20945488A JPH0259100A JP H0259100 A JPH0259100 A JP H0259100A JP 63209454 A JP63209454 A JP 63209454A JP 20945488 A JP20945488 A JP 20945488A JP H0259100 A JPH0259100 A JP H0259100A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- polymer flocculant
- activated sludge
- mixed
- volume
- 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
- 239000010802 sludge Substances 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 claims abstract description 32
- 229920006317 cationic polymer Polymers 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000010800 human waste Substances 0.000 claims description 25
- 238000004065 wastewater treatment Methods 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 abstract description 14
- 238000006297 dehydration reaction Methods 0.000 abstract description 14
- 229920000642 polymer Polymers 0.000 abstract description 12
- 239000002351 wastewater Substances 0.000 abstract description 9
- 230000029142 excretion Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 10
- 238000000926 separation method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 210000002700 urine Anatomy 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 6
- 238000005189 flocculation Methods 0.000 description 6
- 230000016615 flocculation Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920006318 anionic polymer Polymers 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63209454A JPH0259100A (ja) | 1988-08-25 | 1988-08-25 | 有機性汚泥の処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63209454A JPH0259100A (ja) | 1988-08-25 | 1988-08-25 | 有機性汚泥の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0259100A true JPH0259100A (ja) | 1990-02-28 |
| JPH0536120B2 JPH0536120B2 (enrdf_load_stackoverflow) | 1993-05-28 |
Family
ID=16573142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63209454A Granted JPH0259100A (ja) | 1988-08-25 | 1988-08-25 | 有機性汚泥の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259100A (enrdf_load_stackoverflow) |
-
1988
- 1988-08-25 JP JP63209454A patent/JPH0259100A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0536120B2 (enrdf_load_stackoverflow) | 1993-05-28 |
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