NO319743B1 - Fremgangsmate og anordning for stabilisering av vaeskeformig slam - Google Patents
Fremgangsmate og anordning for stabilisering av vaeskeformig slam Download PDFInfo
- Publication number
- NO319743B1 NO319743B1 NO19975265A NO975265A NO319743B1 NO 319743 B1 NO319743 B1 NO 319743B1 NO 19975265 A NO19975265 A NO 19975265A NO 975265 A NO975265 A NO 975265A NO 319743 B1 NO319743 B1 NO 319743B1
- Authority
- NO
- Norway
- Prior art keywords
- sludge
- mixture
- reactor vessel
- additive
- heat
- Prior art date
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 230000000087 stabilizing effect Effects 0.000 title description 9
- 239000000203 mixture Substances 0.000 claims abstract description 42
- 239000000654 additive Substances 0.000 claims abstract description 25
- 230000000996 additive effect Effects 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000011282 treatment Methods 0.000 claims abstract description 9
- 230000000153 supplemental effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003518 caustics Substances 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 159000000014 iron salts Chemical class 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000003513 alkali Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- 244000052769 pathogen Species 0.000 description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 8
- 235000011941 Tilia x europaea Nutrition 0.000 description 8
- 239000004571 lime Substances 0.000 description 8
- 230000006641 stabilisation Effects 0.000 description 8
- 238000011105 stabilization Methods 0.000 description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 235000012255 calcium oxide Nutrition 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000000968 intestinal effect Effects 0.000 description 3
- 238000009928 pasteurization Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 235000013601 eggs Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001465677 Ancylostomatoidea Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 208000005577 Gastroenteritis Diseases 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011874 heated mixture Substances 0.000 description 1
- 208000006454 hepatitis Diseases 0.000 description 1
- 231100000283 hepatitis Toxicity 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002364 soil amendment Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000002351 wastewater Substances 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/443,927 US5681481A (en) | 1995-05-18 | 1995-05-18 | Process and apparatus for liquid sludge stabilization |
| PCT/US1996/006262 WO1996036570A1 (en) | 1995-05-18 | 1996-05-03 | Process and apparatus for liquid sludge stabilization |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO975265D0 NO975265D0 (no) | 1997-11-17 |
| NO975265L NO975265L (no) | 1998-01-15 |
| NO319743B1 true NO319743B1 (no) | 2005-09-12 |
Family
ID=23762753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19975265A NO319743B1 (no) | 1995-05-18 | 1997-11-17 | Fremgangsmate og anordning for stabilisering av vaeskeformig slam |
Country Status (11)
| Country | Link |
|---|---|
| US (3) | US5681481A (de) |
| EP (1) | EP0879215B1 (de) |
| CN (2) | CN1100011C (de) |
| AT (1) | ATE270254T1 (de) |
| AU (1) | AU713053B2 (de) |
| CA (1) | CA2221352C (de) |
| DE (1) | DE69632834T2 (de) |
| MX (1) | MX9708093A (de) |
| NO (1) | NO319743B1 (de) |
| NZ (1) | NZ307103A (de) |
| WO (1) | WO1996036570A1 (de) |
Families Citing this family (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5681481A (en) * | 1995-05-18 | 1997-10-28 | Rdp Company | Process and apparatus for liquid sludge stabilization |
| US6391192B1 (en) | 1999-07-14 | 2002-05-21 | Hti, Inc. | Apparatus for treating biological sludge |
| FR2800060B1 (fr) * | 1999-10-20 | 2001-12-14 | Briere Philippe | Procede de traitement des boues de stations d'epuration et dispositif pour sa mise en oeuvre |
| US6406510B1 (en) | 1999-12-09 | 2002-06-18 | Unified Environmental Services Group, Llc | Methods for treating wastewater sludge |
| CA2349803C (en) * | 2000-06-01 | 2009-01-27 | Lystek International, Inc. | Treatment of sewage sludge |
| EP1595551B1 (de) | 2000-08-22 | 2009-11-18 | GFE Patent A/S | Konzept zur Trennung von Aufschlämmung und Herstellung von Biogas |
| AU2002243599A1 (en) | 2001-01-22 | 2002-07-30 | Unified Environmental Services Group | Production and use of biosolid granules |
| CA2344512A1 (en) * | 2001-04-19 | 2002-10-19 | Carl Mitchell | Method of disposal of pet waste |
| US6679823B2 (en) | 2001-05-04 | 2004-01-20 | Envirosafe Services Of Ohio, Inc. | Treatment of electric arc furnace dust to resist acid and alkaline leaching of heavy metals |
| FR2832400B1 (fr) * | 2001-11-22 | 2004-02-13 | Herve Maurice Marcel G Brisset | Procede et dispositif de traitement des boues hydrophiles par effet de turbulence hydraulique associee a une oxydation et des reactions chimiques par apport d'additifs |
| US6776914B2 (en) * | 2002-04-05 | 2004-08-17 | Roger A. Hickey | Process for treating liquid septage |
| US20030189008A1 (en) * | 2002-04-05 | 2003-10-09 | Hickey Roger A. | Process for treating liquid septage and biosolids |
| US6558550B1 (en) | 2002-04-26 | 2003-05-06 | Robert J. Kelly | Process for treating septage |
| MY143253A (en) * | 2002-08-01 | 2011-04-15 | Gfe Patent As | Method and device for stripping ammonia from liquids |
| WO2004026774A1 (ja) * | 2002-09-02 | 2004-04-01 | Koga, Takeshi | 汚泥減量方法および装置 |
| EP1562868A2 (de) * | 2002-11-19 | 2005-08-17 | Xogen Technologies Inc. | Abwässerbehandlung durch erzeugung und verbrauch von h2- und o2- gas |
| US9187347B2 (en) * | 2002-11-19 | 2015-11-17 | Xogen Technologies Inc. | Treatment of a waste stream through production and utilization of oxyhydrogen gas |
| US9296629B2 (en) | 2002-11-19 | 2016-03-29 | Xogen Technologies Inc. | Treatment of a waste stream through production and utilization of oxyhydrogen gas |
| US20050028680A1 (en) * | 2003-08-07 | 2005-02-10 | Ashbrook Corporation | Biosolids pasteurization systems and methods |
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| US7306724B2 (en) * | 2004-04-23 | 2007-12-11 | Water Standard Co., Llc | Wastewater treatment |
| WO2006030510A1 (ja) * | 2004-09-16 | 2006-03-23 | K.E.M. Corporation | 含水可燃性固体の脱水方法 |
| US8105413B2 (en) | 2005-02-23 | 2012-01-31 | Vitag Corporation | Manufacturing of bioorganic-augmented high nitrogen-containing inorganic fertilizer |
| US8192519B2 (en) | 2005-03-09 | 2012-06-05 | Vitag Corporation | Beneficiated, heat-dried biosolid pellets |
| US8124401B2 (en) | 2005-06-02 | 2012-02-28 | Institut de Recherche et de Développment en Agroenvironnement Inc. | Method and system for the production of biofertilisers |
| EP1945596B8 (de) | 2005-09-15 | 2015-11-04 | Anuvia Plant Nutrients Holdings LLC | Alkalisches verfahren für die umwandlung von organische substanzen enthaltendem schlamm in dünger |
| US7425271B1 (en) | 2005-11-03 | 2008-09-16 | Robert Longo | Method for treating sludge |
| US9695092B2 (en) | 2006-02-23 | 2017-07-04 | Anuvia Plant Nutrients Corporation | Process for treating sludge and manufacturing bioorganically-augmented high nitrogen-containing inorganic fertilizer |
| US7731859B2 (en) * | 2006-07-10 | 2010-06-08 | Ronald Eugene Woodruff | Process for conditioning sewage sludge |
| US7669348B2 (en) * | 2006-10-10 | 2010-03-02 | Rdp Company | Apparatus, method and system for treating sewage sludge |
| US8065815B2 (en) | 2006-10-10 | 2011-11-29 | Rdp Technologies, Inc. | Apparatus, method and system for treating sewage sludge |
| DE202007001123U1 (de) * | 2007-01-25 | 2007-06-06 | KRÜGER, Günter | Anlage zum Trocknen von organischen Massen |
| BRPI0807734B1 (pt) * | 2007-02-16 | 2021-07-06 | Anuvia Plant Nutrients Holdings Llc | Processo para tratar lama e fabricar fertilizante inorgânico contendo nitrogênio altamente enriquecido bioorganicamente |
| CA2608506C (en) * | 2007-10-29 | 2016-10-04 | Lystek International Inc. | Sludge treatment system |
| CN101428957B (zh) * | 2007-11-09 | 2011-07-20 | 深圳市环源科技发展有限公司 | 污泥反应釜 |
| US7553410B1 (en) | 2008-05-02 | 2009-06-30 | Eastwood Research, Inc. | Septage treatment system |
| US7736511B2 (en) * | 2008-10-10 | 2010-06-15 | Lystek International Inc. | Feedback system for enhancing elimination of biomass in sewage sludge |
| CN101733270B (zh) * | 2008-11-10 | 2013-02-27 | 高均 | 腐败性废弃物的处理方法及装置 |
| CN102781880B (zh) | 2009-12-30 | 2015-10-14 | 艾纽维亚植物营养物有限公司 | 生物有机增强的高价值肥料 |
| US9650293B2 (en) | 2010-03-05 | 2017-05-16 | Rdp Technologies, Inc. | Process and apparatus for slaking lime and dissolving scale |
| US9023312B2 (en) | 2010-03-05 | 2015-05-05 | Rdp Technologies, Inc. | Process and apparatus for slaking lime and dissolving scale |
| US8662354B2 (en) | 2011-02-15 | 2014-03-04 | Rdp Technologies, Inc. | Sludge handling system with rotating discharge device for discharging sludge from a bin |
| US8504190B2 (en) | 2011-02-15 | 2013-08-06 | Rdp Technologies, Inc. | Apparatus and method for inventory management and automated discharge of treated sewage sludge to trucks |
| US20120205319A1 (en) * | 2011-02-15 | 2012-08-16 | Rdp Technologies, Inc. | Apparatus and Method for Discharge of Treated Sewage Sludge from Bins |
| WO2012135317A2 (en) | 2011-03-28 | 2012-10-04 | Vitag Holdings Llc | High value organic-enhanced inorganic fertilizers |
| US8939329B2 (en) | 2011-06-03 | 2015-01-27 | Rdp Technologies, Inc. | Sewage silo with centripetal action discharge arm |
| US9169147B2 (en) * | 2011-11-22 | 2015-10-27 | Rdp Technologies, Inc. | Precision lime stabilization system and method for treatment of sewage sludge |
| US9745217B2 (en) | 2011-11-22 | 2017-08-29 | Rdp Technologies, Inc. | System and method for lime stabilization of liquid sludge |
| CN102795749A (zh) * | 2012-08-31 | 2012-11-28 | 中持依迪亚（北京）环境研究所有限公司 | 污泥机械化学处理方法及系统 |
| US9199885B2 (en) * | 2013-03-15 | 2015-12-01 | The Administrators Of The Tulane Educational Fund | Utilization of iron salts to stabilize and/or disinfect biosolids |
| CN104529104A (zh) * | 2014-12-30 | 2015-04-22 | 新奥科技发展有限公司 | 一种污泥预处理方法 |
| WO2016197119A1 (en) | 2015-06-05 | 2016-12-08 | Anuvia Plant Nutrients Holdigns Llc | High value organic containing fertilizers and methods of manufacture |
| US11358907B2 (en) * | 2016-07-26 | 2022-06-14 | Schwing Bioset, Inc. | Biological solids processing |
| US11339071B2 (en) | 2016-10-28 | 2022-05-24 | Rdp Technologies, Inc. | Process for treating sewage sludge |
| US10538446B2 (en) | 2016-10-28 | 2020-01-21 | Rdp Technologies, Inc. | Aerobic thermal chemical hydrolysis process |
| CN107597787B (zh) * | 2017-08-11 | 2020-11-10 | 航天凯天环保科技股份有限公司 | 一种含汞废渣高效稳定化的方法 |
| US10870609B2 (en) | 2018-08-16 | 2020-12-22 | Anuvia Plant Nutrients Corporation | Reactive inorganic coatings for agricultural fertilizers |
| MA50736B2 (fr) | 2018-11-14 | 2021-12-31 | Anuvia Plant Nutrients Holdings Llc | Administration de molécules bioactives dans des enrobages ou des couches de surface d'engrais inorganiques organiquement améliorés |
| CN110117148A (zh) * | 2019-05-24 | 2019-08-13 | 苏州达道环保科技有限公司 | 一种污水厂生化污泥的低温热碱消解方法及其反应装置 |
| CN110615593A (zh) * | 2019-10-28 | 2019-12-27 | 张悦 | 高速机械旋流分离活性污泥生物质的方法 |
| CN112830645A (zh) * | 2019-11-22 | 2021-05-25 | 杨山林 | 一种分离活性污泥生物质的方法及系统和应用 |
| CN111217505B (zh) * | 2020-02-09 | 2023-04-07 | 北京汇园生态科技有限公司 | 一种冷热污泥高速混合提高加热效率的方法 |
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| SE437257B (sv) * | 1983-08-10 | 1985-02-18 | Sca Development Ab | Sett att styra en anaerob process for rening av avloppsvatten |
| SE8400043L (sv) * | 1984-01-04 | 1985-07-05 | Purac Ab | Forfarande for framstellning av en komposterbar blandning av slam fran reningsverk for avloppsvatten jemte anordning for blandningens anvendning |
| SE452605B (sv) * | 1984-04-11 | 1987-12-07 | Purac Ab | Sett att rena avloppsvatten fran tillverkning av cellulosamassa genom anaerob rening |
| SE452000B (sv) * | 1984-04-11 | 1987-11-09 | Purac Ab | Sett vid anaerob rening av avloppsvatten |
| SE8405982L (sv) * | 1984-11-27 | 1986-05-28 | Hans Theliander | Sett att torka partikelformigt material |
| SE447821B (sv) * | 1985-04-29 | 1986-12-15 | Purac Ab | Anordning for beredning av en charge av komposterbart material for en komposteringsanleggning |
| SE448723B (sv) * | 1985-04-29 | 1987-03-16 | Purac Ab | Anordning for chargering av korn- eller massaformigt material pa konstant niva och med jemn yta och anvendning av denna anordning for tillforsel av material till en komposteringsbehallare |
| US4852269A (en) * | 1986-10-29 | 1989-08-01 | Enviro-Gro Technologies, Inc. | Combined sewage and lime slude treatment process |
| DK169066B1 (da) * | 1987-02-27 | 1994-08-08 | N Viro Energy Systems Ltd | Fremgangsmåde til behandling af slam fra spildevand |
| US4902431A (en) * | 1988-01-28 | 1990-02-20 | N-Viro Energy Systems Ltd. | Method for treating wastewater sludge |
| US4781842A (en) * | 1987-02-27 | 1988-11-01 | N-Viro Energy Systems Ltd. | Method of treating wastewater sludge |
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| US5186840A (en) * | 1991-08-26 | 1993-02-16 | Rdp Company | Process for treating sewage sludge |
| US5013458A (en) * | 1990-04-06 | 1991-05-07 | Rdp Company | Process and apparatus for pathogen reduction in waste |
| US5229011A (en) * | 1990-04-06 | 1993-07-20 | Christy Sr Robert W | Process for pathogen reduction in waste |
| US5405536A (en) * | 1990-04-06 | 1995-04-11 | Rdp Company | Process and apparatus for pathogen reduction in waste |
| US5083506A (en) * | 1991-03-06 | 1992-01-28 | Blentech Corporation | Continuous compartmented mixer |
| US5277826A (en) * | 1991-11-01 | 1994-01-11 | Browning Ferris Industries | Lime and fly ash stabilization of wastewater treatment sludge |
| US5385673A (en) * | 1992-09-08 | 1995-01-31 | Hazen And Sawyer, P.C. | Method of treating wastewater biosolids |
| US5681481A (en) * | 1995-05-18 | 1997-10-28 | Rdp Company | Process and apparatus for liquid sludge stabilization |
-
1995
- 1995-05-18 US US08/443,927 patent/US5681481A/en not_active Expired - Lifetime
-
1996
- 1996-05-03 CA CA002221352A patent/CA2221352C/en not_active Expired - Fee Related
- 1996-05-03 WO PCT/US1996/006262 patent/WO1996036570A1/en active IP Right Grant
- 1996-05-03 DE DE69632834T patent/DE69632834T2/de not_active Expired - Fee Related
- 1996-05-03 CN CN96195330A patent/CN1100011C/zh not_active Expired - Fee Related
- 1996-05-03 NZ NZ307103A patent/NZ307103A/en unknown
- 1996-05-03 AT AT96913344T patent/ATE270254T1/de not_active IP Right Cessation
- 1996-05-03 AU AU56374/96A patent/AU713053B2/en not_active Ceased
- 1996-05-03 EP EP96913344A patent/EP0879215B1/de not_active Expired - Lifetime
-
1997
- 1997-01-28 US US08/790,241 patent/US5851404A/en not_active Expired - Lifetime
- 1997-01-28 US US08/789,273 patent/US5783073A/en not_active Expired - Lifetime
- 1997-10-21 MX MX9708093A patent/MX9708093A/es not_active IP Right Cessation
- 1997-11-17 NO NO19975265A patent/NO319743B1/no unknown
-
2001
- 2001-07-28 CN CNB011250437A patent/CN1262494C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0879215A4 (de) | 1999-09-15 |
| DE69632834D1 (de) | 2004-08-05 |
| DE69632834T2 (de) | 2005-07-07 |
| MX9708093A (es) | 1998-10-31 |
| US5783073A (en) | 1998-07-21 |
| US5851404A (en) | 1998-12-22 |
| AU713053B2 (en) | 1999-11-25 |
| CN1100011C (zh) | 2003-01-29 |
| NO975265D0 (no) | 1997-11-17 |
| CA2221352C (en) | 2008-07-22 |
| EP0879215B1 (de) | 2004-06-30 |
| CN1190383A (zh) | 1998-08-12 |
| US5681481A (en) | 1997-10-28 |
| NZ307103A (en) | 1999-04-29 |
| WO1996036570A1 (en) | 1996-11-21 |
| CN1362380A (zh) | 2002-08-07 |
| NO975265L (no) | 1998-01-15 |
| CA2221352A1 (en) | 1996-11-21 |
| ATE270254T1 (de) | 2004-07-15 |
| AU5637496A (en) | 1996-11-29 |
| CN1262494C (zh) | 2006-07-05 |
| EP0879215A1 (de) | 1998-11-25 |
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