SE0402889D0 - Procedure for purifying water from a vehicle wash system - Google Patents

Procedure for purifying water from a vehicle wash system

Info

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
Application number
SE0402889A
Other languages
Swedish (sv)
Inventor
Lars Porshagen
Claes Rydlander
Original Assignee
Conlib Ab
Icr Kemi Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Conlib Ab, Icr Kemi Ab filed Critical Conlib Ab
Priority to SE0402889A priority Critical patent/SE0402889D0/en
Publication of SE0402889D0 publication Critical patent/SE0402889D0/en
Priority to PCT/SE2005/001791 priority patent/WO2006057617A1/en
Priority to EP05810055A priority patent/EP1784362A4/en

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).
SE0402889A 2004-11-29 2004-11-29 Procedure for purifying water from a vehicle wash system SE0402889D0 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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