CA2079400A1 - Process for enhancing the dewaterability of waste sludge from microbiological digestion - Google Patents
Process for enhancing the dewaterability of waste sludge from microbiological digestionInfo
- Publication number
- CA2079400A1 CA2079400A1 CA002079400A CA2079400A CA2079400A1 CA 2079400 A1 CA2079400 A1 CA 2079400A1 CA 002079400 A CA002079400 A CA 002079400A CA 2079400 A CA2079400 A CA 2079400A CA 2079400 A1 CA2079400 A1 CA 2079400A1
- Authority
- CA
- Canada
- Prior art keywords
- sludge
- temperature
- concentrated waste
- less
- solids
- 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.)
- Abandoned
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 158
- 239000002699 waste material Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 72
- 230000008569 process Effects 0.000 title claims abstract description 66
- 230000002906 microbiologic effect Effects 0.000 title claims abstract description 11
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 9
- 230000029087 digestion Effects 0.000 title abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 117
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 210000003850 cellular structure Anatomy 0.000 claims abstract description 9
- 230000007935 neutral effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 62
- 238000001914 filtration Methods 0.000 claims description 48
- 238000011282 treatment Methods 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- 244000052769 pathogen Species 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229940043430 calcium compound Drugs 0.000 claims description 4
- 150000001674 calcium compounds Chemical class 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 108010034145 Helminth Proteins Proteins 0.000 claims description 3
- 244000000013 helminth Species 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 229940099408 Oxidizing agent Drugs 0.000 claims 2
- 230000002596 correlated effect Effects 0.000 claims 1
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 239000012065 filter cake Substances 0.000 description 49
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 34
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 26
- 239000000706 filtrate Substances 0.000 description 24
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 19
- 235000011941 Tilia x europaea Nutrition 0.000 description 19
- 239000004571 lime Substances 0.000 description 19
- 229910052757 nitrogen Inorganic materials 0.000 description 17
- 238000006386 neutralization reaction Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 229910019142 PO4 Inorganic materials 0.000 description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 13
- 239000010452 phosphate Substances 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 238000003756 stirring Methods 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 239000002253 acid Substances 0.000 description 10
- 230000032683 aging Effects 0.000 description 9
- 239000002689 soil Substances 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 235000019645 odor Nutrition 0.000 description 8
- 239000007858 starting material Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 239000013585 weight reducing agent Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 230000004071 biological effect Effects 0.000 description 6
- 229910052793 cadmium Inorganic materials 0.000 description 6
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 230000020477 pH reduction Effects 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 235000011116 calcium hydroxide Nutrition 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000008394 flocculating agent Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003039 volatile agent Substances 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 235000013601 eggs Nutrition 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 229920000867 polyelectrolyte Polymers 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052711 selenium Inorganic materials 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 241000202567 Fatsia japonica Species 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 230000002550 fecal effect Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000011221 initial treatment Methods 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000244186 Ascaris Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 241000607142 Salmonella Species 0.000 description 1
- HCHKCACWOHOZIP-IGMARMGPSA-N Zinc-65 Chemical compound [65Zn] HCHKCACWOHOZIP-IGMARMGPSA-N 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- OVSQVDMCBVZWGM-QSOFNFLRSA-N quercetin 3-O-beta-D-glucopyranoside Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=C(C=2C=C(O)C(O)=CC=2)OC2=CC(O)=CC(O)=C2C1=O OVSQVDMCBVZWGM-QSOFNFLRSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 239000002364 soil amendment Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77332491A | 1991-10-11 | 1991-10-11 | |
| US773,324 | 1991-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2079400A1 true CA2079400A1 (en) | 1993-04-12 |
Family
ID=25097881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002079400A Abandoned CA2079400A1 (en) | 1991-10-11 | 1992-09-29 | Process for enhancing the dewaterability of waste sludge from microbiological digestion |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0536963A1 (en]) |
| JP (1) | JPH05200400A (en]) |
| KR (1) | KR930007832A (en]) |
| CA (1) | CA2079400A1 (en]) |
| MX (1) | MX9205717A (en]) |
| MY (1) | MY108150A (en]) |
| RU (1) | RU2101236C1 (en]) |
| TW (1) | TW228505B (en]) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5593591A (en) * | 1995-06-07 | 1997-01-14 | Unipure Corporation | Production of dry, free flowing solids from bio-waste sludge |
| FR2737486B1 (fr) * | 1995-08-02 | 1997-10-17 | Omnium Traitement Valorisa | Procede et installation pour le traitement de boues |
| KR100478129B1 (ko) * | 1996-12-20 | 2005-12-26 | 주식회사 효성 | 투습방수직물의제조방법 |
| US6103191A (en) * | 1997-01-29 | 2000-08-15 | Riverside County Eastern Municipal Water District | Continuous flow pasteurization of sewage sludge |
| FI103106B1 (fi) * | 1997-11-12 | 1999-04-30 | Amsco Europ Inc Suomen Sivulii | Menetelmä ja laite puhtaan veden tuottamiseksi |
| GB2355979A (en) * | 1999-11-05 | 2001-05-09 | Monsal Ltd | Heating sludge |
| KR100468430B1 (ko) * | 2001-06-13 | 2005-01-27 | 조영봉 | 슬러지의 자원화를 위한 청정슬러지 또는 청정액체의 제조방법 |
| RU2198141C1 (ru) * | 2001-06-29 | 2003-02-10 | Государственное Унитарное Предприятие "Водоканал Санкт-Петербурга" | Способ утилизации шлама сточных вод |
| RU2258047C1 (ru) * | 2003-12-03 | 2005-08-10 | Государственное Унитарное Предприятие "Водоканал Санкт-Петербурга" | Система обработки осадков сточных вод |
| DE102005026878A1 (de) * | 2005-06-10 | 2006-12-14 | Papierfabrik August Koehler Ag | Verfahren und Vorrichtung zum Reinigen von Abwässern |
| KR100841335B1 (ko) * | 2007-03-08 | 2008-06-26 | 한국에너지기술연구원 | 중압증기를 이용한 축산분뇨 또는 유기성폐기물 건조장치 및 이를 이용한 축산분뇨 또는 유기성폐기물의 건조방법과 이러한 축산분뇨 또는 유기성폐기물 건조장치를 이용한 축산분뇨 또는 유기성폐기물의 고효율 건조/가스화를 포함하는 열병합장치 |
| SE532532C2 (sv) * | 2008-06-27 | 2010-02-16 | Mercatus Engineering Ab | Avvattning av slam |
| DE102008052111A1 (de) * | 2008-10-20 | 2010-04-22 | Terranova Energy Gmbh & Co. Kg | Verfahren zur Stabilisierung, Hygienisierung und Volumenreduktion von Klärschlamm |
| CN101691272B (zh) * | 2009-10-01 | 2011-08-10 | 厦门水务集团有限公司 | 一种污泥脱水方法 |
| JP5974385B2 (ja) * | 2012-09-24 | 2016-08-23 | 三菱化工機株式会社 | 有機性汚泥の嫌気性可溶化消化処理システム、及び有機性汚泥の嫌気性可溶化消化処理方法 |
| CN106007284B (zh) * | 2016-05-04 | 2019-01-22 | 杰瑞环保科技有限公司 | 含油废弃物深度处理方法及系统 |
| JP7130949B2 (ja) * | 2017-12-08 | 2022-09-06 | 栗田工業株式会社 | 汚泥の脱水方法および汚泥脱水装置 |
| WO2021040500A1 (ko) * | 2019-08-30 | 2021-03-04 | 허관용 | 소화슬러지의 탈수성 개선을 위한 슬러지 숙성 장치 및 방법 |
| CN111024925B (zh) * | 2019-12-17 | 2022-05-24 | 福建农林大学 | 一种预测污泥脱水性能的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH399422A (de) * | 1962-05-28 | 1965-09-30 | Ciba Geigy | Filterpresse |
| US3922221A (en) * | 1971-01-28 | 1975-11-25 | Rheinstahl Ag | Process for conditioning sewage sludges |
| DE3501778A1 (de) * | 1985-01-21 | 1986-07-24 | Dow Chemical GmbH, 2160 Stade | Verfahren zum verringern von abwasserschlamm aus klaeranlagen |
| FI854034A7 (fi) * | 1985-10-16 | 1987-04-17 | Enso Gutzeit Oy | Menetelmä biolietteen lämpökäsittelemiseksi. |
| US5087378A (en) * | 1990-05-31 | 1992-02-11 | Pori, International, Inc. | Process for enhancing the dewaterability of waste sludge from microbiological digestion |
-
1992
- 1992-09-29 CA CA002079400A patent/CA2079400A1/en not_active Abandoned
- 1992-10-01 MY MYPI92001764A patent/MY108150A/en unknown
- 1992-10-02 EP EP92309042A patent/EP0536963A1/en not_active Ceased
- 1992-10-06 MX MX9205717A patent/MX9205717A/es unknown
- 1992-10-09 RU SU5053027A patent/RU2101236C1/ru active
- 1992-10-10 KR KR1019920018766A patent/KR930007832A/ko active Pending
- 1992-10-12 JP JP4299355A patent/JPH05200400A/ja active Pending
-
1993
- 1993-01-20 TW TW082100377A patent/TW228505B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| MY108150A (en) | 1996-08-30 |
| TW228505B (en]) | 1994-08-21 |
| RU2101236C1 (ru) | 1998-01-10 |
| MX9205717A (es) | 1993-05-01 |
| KR930007832A (ko) | 1993-05-20 |
| EP0536963A1 (en) | 1993-04-14 |
| JPH05200400A (ja) | 1993-08-10 |
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