SE0402889D0 - Procedure for purifying water from a vehicle wash system - Google Patents
Procedure for purifying water from a vehicle wash systemInfo
- Publication number
- SE0402889D0 SE0402889D0 SE0402889A SE0402889A SE0402889D0 SE 0402889 D0 SE0402889 D0 SE 0402889D0 SE 0402889 A SE0402889 A SE 0402889A SE 0402889 A SE0402889 A SE 0402889A SE 0402889 D0 SE0402889 D0 SE 0402889D0
- Authority
- SE
- Sweden
- Prior art keywords
- tank
- water
- vehicle wash
- lime
- procedure
- Prior art date
Links
Abstract
Process for purifying waste water from a vehicle wash installation in which, after a coarse separation, the waste water is treated batchwise in a relatively small process tank (16) by adding a lime suspension as precipitation chemical such that a pH of approx. 11, as well as a lime excess, are obtained in the water. A flocculation chemical is then added to the water in the process tank so that a pH of from approx. 7.5 to 8 is established. In a subsequent, substantially larger sedimentation tank (46) , relatively large floccules are formed, together with the lime excess, such that precipitated contaminants are collected and separated out and sediment on the bottom of the tank (46) . Sludge from the purification process is treated with polyelectrolyte and filtered in sack filters (62).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402889A SE0402889D0 (en) | 2004-11-29 | 2004-11-29 | Procedure for purifying water from a vehicle wash system |
PCT/SE2005/001791 WO2006057617A1 (en) | 2004-11-29 | 2005-11-29 | Process for purifying water from a vehicle wash installation |
EP05810055A EP1784362A4 (en) | 2004-11-29 | 2005-11-29 | Process for purifying water from a vehicle wash installation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402889A SE0402889D0 (en) | 2004-11-29 | 2004-11-29 | Procedure for purifying water from a vehicle wash system |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0402889D0 true SE0402889D0 (en) | 2004-11-29 |
Family
ID=33538391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0402889A SE0402889D0 (en) | 2004-11-29 | 2004-11-29 | Procedure for purifying water from a vehicle wash system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1784362A4 (en) |
SE (1) | SE0402889D0 (en) |
WO (1) | WO2006057617A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6481201B2 (en) * | 2015-03-30 | 2019-03-13 | 新日鐵住金株式会社 | Method for measuring the concentration of specified chemical substances or specified wastewater |
CN108455761A (en) * | 2018-04-13 | 2018-08-28 | 向任高 | Car wash water Full automatic purifying device |
CN113716789A (en) * | 2021-08-27 | 2021-11-30 | 江苏一环集团有限公司 | Magnetic coagulation sedimentation sewage treatment system and treatment method |
PL445965A1 (en) * | 2023-08-31 | 2024-04-22 | Politechnika Lubelska | System for securing the wastewater treatment system from a self-service car wash |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0168752B2 (en) * | 1984-07-13 | 1994-12-14 | Hitachi, Ltd. | Method of treating liquid wastes containing heavy metal chelate compounds |
US5266210A (en) * | 1992-04-15 | 1993-11-30 | Mclaughlin Water Engineers, Ltd. | Process for removing heavy metals from water |
US5647977A (en) * | 1994-12-05 | 1997-07-15 | Hydrotreat, Inc. | Method and apparatus for removing contaminants from industrial waste water |
DE19635005A1 (en) * | 1996-08-30 | 1998-03-05 | Peter Becker | Car wash water treatment |
US6042730A (en) * | 1997-03-03 | 2000-03-28 | Lahti; William J. | Car wash wastewater treatment |
JP4853755B2 (en) * | 2001-09-27 | 2012-01-11 | 株式会社ダイセル | Flocculant for car wash wastewater treatment |
-
2004
- 2004-11-29 SE SE0402889A patent/SE0402889D0/en unknown
-
2005
- 2005-11-29 WO PCT/SE2005/001791 patent/WO2006057617A1/en active Application Filing
- 2005-11-29 EP EP05810055A patent/EP1784362A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2006057617A1 (en) | 2006-06-01 |
EP1784362A4 (en) | 2010-12-15 |
EP1784362A1 (en) | 2007-05-16 |
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