DE2428928C3 - Verfahren zur Behandlung von Suspensionen - Google Patents
Verfahren zur Behandlung von SuspensionenInfo
- Publication number
- DE2428928C3 DE2428928C3 DE19742428928 DE2428928A DE2428928C3 DE 2428928 C3 DE2428928 C3 DE 2428928C3 DE 19742428928 DE19742428928 DE 19742428928 DE 2428928 A DE2428928 A DE 2428928A DE 2428928 C3 DE2428928 C3 DE 2428928C3
- Authority
- DE
- Germany
- Prior art keywords
- suspension
- flocculant
- particles
- solid particles
- added
- 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
- 239000000725 suspension Substances 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 38
- 239000002245 particle Substances 0.000 claims description 67
- 239000007787 solid Substances 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 150000003839 salts Chemical class 0.000 claims description 18
- 239000008394 flocculating agent Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 5
- 229910021645 metal ion Inorganic materials 0.000 claims description 5
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 4
- 150000004692 metal hydroxides Chemical class 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 238000005469 granulation Methods 0.000 description 14
- 230000003179 granulation Effects 0.000 description 14
- 239000011361 granulated particle Substances 0.000 description 12
- 239000010802 sludge Substances 0.000 description 11
- 238000000926 separation method Methods 0.000 description 8
- 239000006228 supernatant Substances 0.000 description 8
- 238000005189 flocculation Methods 0.000 description 7
- 230000016615 flocculation Effects 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 6
- 229920002401 polyacrylamide Polymers 0.000 description 5
- 239000004927 clay Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000005995 Aluminium silicate Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 206010012289 Dementia Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000009423 ventilation 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
- 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
- C02F1/5281—Installations for water purification using chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3960474A JPS5244752B2 (da) | 1974-04-08 | 1974-04-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2428928A1 DE2428928A1 (de) | 1975-10-30 |
| DE2428928B2 DE2428928B2 (de) | 1976-02-26 |
| DE2428928C3 true DE2428928C3 (de) | 1979-02-15 |
Family
ID=12557707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742428928 Expired DE2428928C3 (de) | 1974-04-08 | 1974-06-15 | Verfahren zur Behandlung von Suspensionen |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5244752B2 (da) |
| CA (1) | CA1040326A (da) |
| CH (1) | CH583058A5 (da) |
| DE (1) | DE2428928C3 (da) |
| ES (1) | ES427237A1 (da) |
| FR (1) | FR2266534B1 (da) |
| GB (1) | GB1478337A (da) |
| HU (1) | HU178513B (da) |
| IT (1) | IT1021031B (da) |
| NL (1) | NL178485C (da) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2412336A1 (fr) * | 1977-12-22 | 1979-07-20 | Tech Entreprises Chimiques Soc | Procede de floculation ameliore pour la separation par filtration de liquides et solides difficilement filtrables |
| JPS629930Y2 (da) * | 1979-04-05 | 1987-03-09 | ||
| SU994444A1 (ru) * | 1980-10-15 | 1983-02-07 | Управление Водопроводно-Канализационного Хозяйства "Водоканал" Исполнительного Комитета Ленинградского Городского Совета Народных Депутатов | Способ кондиционировани осадков сточных вод |
| DE3939984A1 (de) * | 1989-12-02 | 1991-06-06 | Unitech Gmbh | Aufbereitungsvorrichtung zum aufbereiten von flockungshilfsmittel |
| ES2051223B1 (es) * | 1992-06-24 | 1994-12-16 | Titan Ind Sa | Procedimiento de depuracion y recuperacion de aguas de limpieza en el proceso de fabricacion de pinturas de dispersion acuosa. |
| DE4421455A1 (de) * | 1994-06-18 | 1995-12-21 | Sued Chemie Ag | Verfahren zur Aufbereitung von gebrauchten wäßrigen Alkalibentonit-Suspensionen |
| AUPM745994A0 (en) * | 1994-08-16 | 1994-09-08 | Water Board, The | Method of alkaline flocculation for waste water streams |
| DE102014116682B4 (de) | 2013-11-15 | 2018-01-25 | Wolfgang BITSCH | Verfahren zur Entwässerung von Bentonit-Suspensionen |
-
1974
- 1974-04-08 JP JP3960474A patent/JPS5244752B2/ja not_active Expired
- 1974-05-31 IT IT2347574A patent/IT1021031B/it active
- 1974-06-12 GB GB2609974A patent/GB1478337A/en not_active Expired
- 1974-06-12 ES ES427237A patent/ES427237A1/es not_active Expired
- 1974-06-14 CH CH820574A patent/CH583058A5/xx not_active IP Right Cessation
- 1974-06-14 NL NL7407983A patent/NL178485C/xx not_active IP Right Cessation
- 1974-06-14 CA CA202,517A patent/CA1040326A/en not_active Expired
- 1974-06-14 FR FR7420842A patent/FR2266534B1/fr not_active Expired
- 1974-06-14 HU HUEA000135 patent/HU178513B/hu unknown
- 1974-06-15 DE DE19742428928 patent/DE2428928C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL178485B (nl) | 1985-11-01 |
| FR2266534A1 (da) | 1975-10-31 |
| NL178485C (nl) | 1986-04-01 |
| AU6960474A (en) | 1975-12-04 |
| HU178513B (en) | 1982-05-28 |
| ES427237A1 (es) | 1976-09-01 |
| CH583058A5 (da) | 1976-12-31 |
| DE2428928B2 (de) | 1976-02-26 |
| IT1021031B (it) | 1978-01-30 |
| GB1478337A (en) | 1977-06-29 |
| JPS5244752B2 (da) | 1977-11-10 |
| JPS50137868A (da) | 1975-11-01 |
| FR2266534B1 (da) | 1981-08-07 |
| CA1040326A (en) | 1978-10-10 |
| DE2428928A1 (de) | 1975-10-30 |
| NL7407983A (nl) | 1975-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| OI | Miscellaneous see part 1 | ||
| OI | Miscellaneous see part 1 | ||
| 8339 | Ceased/non-payment of the annual fee |