JPS6363280B2 - - Google Patents
Info
- Publication number
- JPS6363280B2 JPS6363280B2 JP56156205A JP15620581A JPS6363280B2 JP S6363280 B2 JPS6363280 B2 JP S6363280B2 JP 56156205 A JP56156205 A JP 56156205A JP 15620581 A JP15620581 A JP 15620581A JP S6363280 B2 JPS6363280 B2 JP S6363280B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- digested
- organic matter
- activated sludge
- digestion
- 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 146
- 230000029087 digestion Effects 0.000 claims description 51
- 239000005416 organic matter Substances 0.000 claims description 32
- 238000004062 sedimentation Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 239000010801 sewage sludge Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 24
- 238000000354 decomposition reaction Methods 0.000 description 22
- 239000007787 solid Substances 0.000 description 17
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 12
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 12
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 12
- 235000011116 calcium hydroxide Nutrition 0.000 description 12
- 239000000920 calcium hydroxide Substances 0.000 description 12
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 12
- 238000011084 recovery Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 230000005484 gravity Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 229920006317 cationic polymer Polymers 0.000 description 6
- 238000005345 coagulation Methods 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000717 retained effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008719 thickening Effects 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Treatment Of Sludge (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56156205A JPS5858199A (ja) | 1981-10-02 | 1981-10-02 | 下水汚泥の処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56156205A JPS5858199A (ja) | 1981-10-02 | 1981-10-02 | 下水汚泥の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5858199A JPS5858199A (ja) | 1983-04-06 |
| JPS6363280B2 true JPS6363280B2 (enrdf_load_html_response) | 1988-12-06 |
Family
ID=15622660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56156205A Granted JPS5858199A (ja) | 1981-10-02 | 1981-10-02 | 下水汚泥の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5858199A (enrdf_load_html_response) |
-
1981
- 1981-10-02 JP JP56156205A patent/JPS5858199A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5858199A (ja) | 1983-04-06 |
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