CA1040326A - Process for the treatment of a suspension - Google Patents
Process for the treatment of a suspensionInfo
- Publication number
- CA1040326A CA1040326A CA202,517A CA202517A CA1040326A CA 1040326 A CA1040326 A CA 1040326A CA 202517 A CA202517 A CA 202517A CA 1040326 A CA1040326 A CA 1040326A
- Authority
- CA
- Canada
- Prior art keywords
- water
- solids
- flocculating agent
- suspension
- concentration
- 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
- 238000000034 method Methods 0.000 title claims abstract description 52
- 230000008569 process Effects 0.000 title claims abstract description 30
- 239000000725 suspension Substances 0.000 title abstract description 57
- 239000008394 flocculating agent Substances 0.000 claims abstract description 58
- 239000007787 solid Substances 0.000 claims abstract description 52
- 239000002245 particle Substances 0.000 claims abstract description 43
- 238000005469 granulation Methods 0.000 claims abstract description 42
- 230000003179 granulation Effects 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 150000003839 salts Chemical class 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000012452 mother liquor Substances 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims description 2
- 239000010881 fly ash Substances 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 238000005352 clarification Methods 0.000 claims 10
- 239000011236 particulate material Substances 0.000 claims 4
- 239000007788 liquid Substances 0.000 abstract description 19
- 238000000926 separation method Methods 0.000 abstract description 17
- 239000011361 granulated particle Substances 0.000 abstract description 12
- 238000005096 rolling process Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 150000001455 metallic ions Chemical class 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005189 flocculation Methods 0.000 abstract description 2
- 230000016615 flocculation Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000006228 supernatant Substances 0.000 description 13
- 230000035611 feeding Effects 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 9
- 244000144992 flock Species 0.000 description 9
- 238000011109 contamination Methods 0.000 description 5
- 239000010802 sludge Substances 0.000 description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 3
- 229920002401 polyacrylamide 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
- 239000012798 spherical particle Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 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 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 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 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BFYCFODZOFWWAA-UHFFFAOYSA-N 2,4,6-trimethylpyridine-3-carbaldehyde Chemical compound CC1=CC(C)=C(C=O)C(C)=N1 BFYCFODZOFWWAA-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 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 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment 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
- 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 (1)
| Publication Number | Publication Date |
|---|---|
| CA1040326A true CA1040326A (en) | 1978-10-10 |
Family
ID=12557707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA202,517A Expired CA1040326A (en) | 1974-04-08 | 1974-06-14 | Process for the treatment of a suspension |
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 ES ES427237A patent/ES427237A1/es not_active Expired
- 1974-06-12 GB GB2609974A patent/GB1478337A/en not_active Expired
- 1974-06-14 CH CH820574A patent/CH583058A5/xx not_active IP Right Cessation
- 1974-06-14 HU HUEA000135 patent/HU178513B/hu unknown
- 1974-06-14 FR FR7420842A patent/FR2266534B1/fr not_active Expired
- 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
- 1974-06-15 DE DE19742428928 patent/DE2428928C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1021031B (it) | 1978-01-30 |
| DE2428928A1 (de) | 1975-10-30 |
| DE2428928B2 (de) | 1976-02-26 |
| JPS5244752B2 (da) | 1977-11-10 |
| NL178485C (nl) | 1986-04-01 |
| FR2266534A1 (da) | 1975-10-31 |
| CH583058A5 (da) | 1976-12-31 |
| JPS50137868A (da) | 1975-11-01 |
| NL7407983A (nl) | 1975-10-10 |
| FR2266534B1 (da) | 1981-08-07 |
| GB1478337A (en) | 1977-06-29 |
| HU178513B (en) | 1982-05-28 |
| DE2428928C3 (de) | 1979-02-15 |
| AU6960474A (en) | 1975-12-04 |
| NL178485B (nl) | 1985-11-01 |
| ES427237A1 (es) | 1976-09-01 |
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