DE3928463C2 - - Google Patents
Info
- Publication number
- DE3928463C2 DE3928463C2 DE19893928463 DE3928463A DE3928463C2 DE 3928463 C2 DE3928463 C2 DE 3928463C2 DE 19893928463 DE19893928463 DE 19893928463 DE 3928463 A DE3928463 A DE 3928463A DE 3928463 C2 DE3928463 C2 DE 3928463C2
- Authority
- DE
- Germany
- Prior art keywords
- flocculant
- sewage sludge
- sample
- compressed air
- filter
- 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 - Fee Related
Links
- 239000010801 sewage sludge Substances 0.000 claims description 38
- 239000010802 sludge Substances 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 23
- 238000005189 flocculation Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000008394 flocculating agent Substances 0.000 claims description 18
- 230000016615 flocculation Effects 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 17
- 229920000867 polyelectrolyte Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 11
- 125000002091 cationic group Chemical group 0.000 claims description 10
- 230000001687 destabilization Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 238000004220 aggregation Methods 0.000 claims description 7
- 230000002776 aggregation Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005457 optimization Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 229920001448 anionic polyelectrolyte Polymers 0.000 claims description 3
- 229920001222 biopolymer Polymers 0.000 claims description 3
- 229920000831 ionic polymer Polymers 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000011085 pressure filtration Methods 0.000 claims 2
- 230000003252 repetitive effect Effects 0.000 claims 1
- 239000002956 ash Substances 0.000 description 11
- 229920002401 polyacrylamide Polymers 0.000 description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 8
- 235000011941 Tilia x europaea Nutrition 0.000 description 8
- 239000004571 lime Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 230000003750 conditioning effect Effects 0.000 description 7
- 239000000706 filtrate Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 5
- 150000002505 iron Chemical class 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 125000000129 anionic group Chemical group 0.000 description 4
- 159000000014 iron salts Chemical class 0.000 description 4
- 229920000083 poly(allylamine) Polymers 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007127 saponification reaction Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 229920000881 Modified starch Polymers 0.000 description 2
- 239000004368 Modified starch Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229920006318 anionic polymer Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- -1 hydroxide ions Chemical class 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 235000019426 modified starch Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004908 Emulsion polymer Substances 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0092—Monitoring flocculation or agglomeration
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893928463 DE3928463A1 (de) | 1989-08-29 | 1989-08-29 | Verfahren zur bestimmung makromolekularer flockungsmittel bzw. flockungshilfsmittel und vorrichtung zur durchfuehrung des verfahrens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893928463 DE3928463A1 (de) | 1989-08-29 | 1989-08-29 | Verfahren zur bestimmung makromolekularer flockungsmittel bzw. flockungshilfsmittel und vorrichtung zur durchfuehrung des verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3928463A1 DE3928463A1 (de) | 1991-05-29 |
| DE3928463C2 true DE3928463C2 (fr) | 1993-09-09 |
Family
ID=6388067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893928463 Granted DE3928463A1 (de) | 1989-08-29 | 1989-08-29 | Verfahren zur bestimmung makromolekularer flockungsmittel bzw. flockungshilfsmittel und vorrichtung zur durchfuehrung des verfahrens |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3928463A1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4307369A1 (de) * | 1993-03-09 | 1994-09-15 | Kulicke Werner Michael Prof Dr | Verfahren zur Analyse von flüssigem oder pastösem Analysegut aus einem Prozeßfluid und Anlage zur Durchführung des Verfahrens |
| DE19754656C1 (de) * | 1997-12-09 | 1999-03-25 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zur Beurteilung der Effektivität von Hilfsmitteln für die Entwässerung von Schlämmen |
| FR2998563B1 (fr) | 2012-11-28 | 2014-12-19 | Roquette Freres | Procede d'epaississement ou de deshydratation de boues |
| CN103076335B (zh) * | 2013-01-11 | 2015-02-11 | 天津市环境保护科学研究院 | 絮体污泥介观动力学的测试方法与装置 |
| CN108956378B (zh) * | 2018-06-05 | 2023-09-26 | 江苏正力新能电池技术有限公司 | 一种浆料流动性的测试装置及其测试方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583723B2 (ja) * | 1978-07-05 | 1983-01-22 | 株式会社日立製作所 | 凝集効果検出装置 |
| DE2914290C2 (de) * | 1979-04-09 | 1984-03-08 | Klaus-Uwe Dipl.-Chem. Dr. 8000 München Trommsdorff | Verfahren zur kontrollierten chemischen Ausfällung von Fremdstoffen aus einem Strom wässriger Flüssigkeit und Vorrichtung zur Durchführung des Verfahrens |
| US4301675A (en) * | 1980-02-11 | 1981-11-24 | Domtar Inc. | Measurement of high consistency |
| DE8006506U1 (de) * | 1980-03-10 | 1983-10-20 | Conducta Gesellschaft für Meß- und Regeltechnik mbH & Co | Verfahren und Vorrichtung zur Bestimmung des Kolloidanteiles bzw. - indexes in Flüssigkeiten |
| DE3143825C2 (de) * | 1981-11-02 | 1984-08-09 | Andreas Dr. 1000 Berlin Grohmann | Flockungstestgerät |
| DE3346834C1 (de) * | 1983-12-23 | 1985-05-15 | Allied Colloids Manufacturing GmbH, 2000 Hamburg | Verfahren und Anlage zum Entwaessern von Klaerschlamm |
| DE3402939A1 (de) * | 1984-01-28 | 1985-08-08 | Heiner Dipl.-Ing. 4100 Duisburg Kreyenberg | Verfahren und vorrichtung zur bestimmung des trockensubstanzgehalts eines schlammes sowie anwendung zur gewinnung eines anzeige- und regelsignals |
| DE3528598A1 (de) * | 1985-08-09 | 1987-02-19 | Basf Ag | Verfahren zur reinigung und entsorgung von russ- und asche-haltigen abwaessern |
| DE3630666A1 (de) * | 1986-09-09 | 1988-03-17 | Nalco Chemical Co | Verfahren zur entwaesserung von klaerschlaemmen, insbesondere auf kammerfilterpressen |
| DE3710804A1 (de) * | 1987-03-31 | 1988-10-20 | Basf Ag | Verfahren zur reinigung und entsorgung von russ- und aschehaltigen abwaessern |
-
1989
- 1989-08-29 DE DE19893928463 patent/DE3928463A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3928463A1 (de) | 1991-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |