JPS6317000B2 - - Google Patents
Info
- Publication number
- JPS6317000B2 JPS6317000B2 JP56158705A JP15870581A JPS6317000B2 JP S6317000 B2 JPS6317000 B2 JP S6317000B2 JP 56158705 A JP56158705 A JP 56158705A JP 15870581 A JP15870581 A JP 15870581A JP S6317000 B2 JPS6317000 B2 JP S6317000B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- solid
- digested
- digestion
- 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.)
- Expired
Links
- 239000010802 sludge Substances 0.000 claims description 79
- 230000029087 digestion Effects 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 28
- 238000004062 sedimentation Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 10
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 239000010801 sewage sludge Substances 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 24
- 239000007789 gas Substances 0.000 description 11
- 230000018044 dehydration Effects 0.000 description 9
- 238000006297 dehydration reaction Methods 0.000 description 9
- 238000007796 conventional method Methods 0.000 description 8
- 208000005156 Dehydration Diseases 0.000 description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 6
- 235000011116 calcium hydroxide Nutrition 0.000 description 6
- 239000000920 calcium hydroxide Substances 0.000 description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 229920006317 cationic polymer Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 238000004182 chemical digestion Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 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 |
|---|---|---|---|
| JP56158705A JPS5861899A (ja) | 1981-10-07 | 1981-10-07 | 下水汚泥の処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56158705A JPS5861899A (ja) | 1981-10-07 | 1981-10-07 | 下水汚泥の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5861899A JPS5861899A (ja) | 1983-04-13 |
| JPS6317000B2 true JPS6317000B2 (enrdf_load_html_response) | 1988-04-12 |
Family
ID=15677549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56158705A Granted JPS5861899A (ja) | 1981-10-07 | 1981-10-07 | 下水汚泥の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5861899A (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5992094A (ja) * | 1982-11-18 | 1984-05-28 | Agency Of Ind Science & Technol | 有機廃棄物の嫌気性消化方法 |
-
1981
- 1981-10-07 JP JP56158705A patent/JPS5861899A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5861899A (ja) | 1983-04-13 |
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