CA1055802A - Cationic flocculants for raw water clarification - Google Patents
Cationic flocculants for raw water clarificationInfo
- Publication number
- CA1055802A CA1055802A CA229,299A CA229299A CA1055802A CA 1055802 A CA1055802 A CA 1055802A CA 229299 A CA229299 A CA 229299A CA 1055802 A CA1055802 A CA 1055802A
- Authority
- CA
- Canada
- Prior art keywords
- polyquaternary
- flocculant
- raw water
- epichlorohydrin
- dimethylamine
- 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
- 238000005352 clarification Methods 0.000 title claims abstract description 18
- 125000002091 cationic group Chemical group 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 40
- 239000008394 flocculating agent Substances 0.000 title abstract description 22
- 239000000243 solution Substances 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 30
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 9
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 8
- 150000001412 amines Chemical class 0.000 claims description 8
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- 229940012017 ethylenediamine Drugs 0.000 claims 2
- 239000003643 water by type Substances 0.000 abstract description 12
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 239000000725 suspension Substances 0.000 description 11
- 239000005995 Aluminium silicate Substances 0.000 description 7
- 235000012211 aluminium silicate Nutrition 0.000 description 7
- 239000004927 clay Substances 0.000 description 7
- 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 7
- 229920000642 polymer Polymers 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000005265 dialkylamine group Chemical group 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48653174A | 1974-07-08 | 1974-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1055802A true CA1055802A (en) | 1979-06-05 |
Family
ID=23932259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA229,299A Expired CA1055802A (en) | 1974-07-08 | 1975-06-13 | Cationic flocculants for raw water clarification |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5829159B2 (enExample) |
| BE (1) | BE831072A (enExample) |
| BR (1) | BR7504103A (enExample) |
| CA (1) | CA1055802A (enExample) |
| DE (1) | DE2530433A1 (enExample) |
| ES (1) | ES439226A1 (enExample) |
| FI (1) | FI751821A7 (enExample) |
| FR (1) | FR2277778A1 (enExample) |
| GB (1) | GB1480029A (enExample) |
| IT (1) | IT1035869B (enExample) |
| NL (1) | NL7508125A (enExample) |
| SE (1) | SE7507840L (enExample) |
| ZA (1) | ZA753212B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808703C2 (de) * | 1978-03-01 | 1980-03-13 | Dieter J. Dipl.-Chem. 2081 Boenningstedt Becker | Verfahren zur Abwasserreinigung unter Rückgewinnung der Fett- und Eiweißstoffe in wiederverwendbarer Form |
| JPS56137767A (en) * | 1980-03-28 | 1981-10-27 | Toshiba Corp | Original reader |
-
1975
- 1975-05-19 ZA ZA00753212A patent/ZA753212B/xx unknown
- 1975-05-23 GB GB22970/75A patent/GB1480029A/en not_active Expired
- 1975-05-28 IT IT49825/75A patent/IT1035869B/it active
- 1975-06-13 CA CA229,299A patent/CA1055802A/en not_active Expired
- 1975-06-18 FI FI751821A patent/FI751821A7/fi not_active Application Discontinuation
- 1975-06-30 BR BR5258/75D patent/BR7504103A/pt unknown
- 1975-07-07 BE BE158042A patent/BE831072A/xx unknown
- 1975-07-08 ES ES439226A patent/ES439226A1/es not_active Expired
- 1975-07-08 JP JP50083215A patent/JPS5829159B2/ja not_active Expired
- 1975-07-08 NL NL7508125A patent/NL7508125A/xx not_active Application Discontinuation
- 1975-07-08 SE SE7507840A patent/SE7507840L/xx unknown
- 1975-07-08 DE DE19752530433 patent/DE2530433A1/de not_active Withdrawn
- 1975-07-08 FR FR7521438A patent/FR2277778A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE831072A (fr) | 1976-01-07 |
| FR2277778B1 (enExample) | 1982-04-16 |
| BR7504103A (pt) | 1976-07-06 |
| DE2530433A1 (de) | 1976-01-29 |
| IT1035869B (it) | 1979-10-20 |
| GB1480029A (en) | 1977-07-20 |
| NL7508125A (nl) | 1976-01-12 |
| ES439226A1 (es) | 1977-05-16 |
| JPS5829159B2 (ja) | 1983-06-21 |
| JPS5131050A (en) | 1976-03-16 |
| SE7507840L (sv) | 1976-01-09 |
| FR2277778A1 (fr) | 1976-02-06 |
| FI751821A7 (enExample) | 1976-01-09 |
| AU8147975A (en) | 1976-11-25 |
| ZA753212B (en) | 1976-04-28 |
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