BE532872A - - Google Patents
Info
- Publication number
- BE532872A BE532872A BE532872DA BE532872A BE 532872 A BE532872 A BE 532872A BE 532872D A BE532872D A BE 532872DA BE 532872 A BE532872 A BE 532872A
- Authority
- BE
- Belgium
- Prior art keywords
- sludge
- digestion
- digester
- tank
- gas
- Prior art date
Links
- 239000010802 sludge Substances 0.000 claims description 281
- 230000029087 digestion Effects 0.000 claims description 229
- 238000011282 treatment Methods 0.000 claims description 64
- 239000007787 solid Substances 0.000 claims description 55
- 239000010865 sewage Substances 0.000 claims description 46
- 230000008719 thickening Effects 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 38
- 239000002002 slurry Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 31
- 238000005352 clarification Methods 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 24
- 230000001580 bacterial effect Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 13
- 241000894006 Bacteria Species 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- 239000008240 homogeneous mixture Substances 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 2
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 208000005156 Dehydration Diseases 0.000 claims 2
- 230000000050 nutritive effect Effects 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 100
- 239000006228 supernatant Substances 0.000 description 33
- 239000002562 thickening agent Substances 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 21
- 238000009434 installation Methods 0.000 description 20
- 238000010790 dilution Methods 0.000 description 19
- 239000012895 dilution Substances 0.000 description 19
- 239000007788 liquid Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 16
- 238000005273 aeration Methods 0.000 description 11
- 239000000543 intermediate Substances 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 10
- 230000002829 reductive effect Effects 0.000 description 10
- 235000015097 nutrients Nutrition 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000002309 gasification Methods 0.000 description 7
- 239000005416 organic matter Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 230000035508 accumulation Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 230000031018 biological processes and functions Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 3
- 239000001099 ammonium carbonate Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012084 conversion product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- 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
- Y02W10/20—Sludge processing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE532872A true BE532872A (enrdf_load_stackoverflow) |
Family
ID=164750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE532872D BE532872A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE532872A (enrdf_load_stackoverflow) |
-
0
- BE BE532872D patent/BE532872A/fr unknown
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