EP3585735A4 - Method of performing chemical precipitation in water and waste water treatment plants - Google Patents

Method of performing chemical precipitation in water and waste water treatment plants Download PDF

Info

Publication number
EP3585735A4
EP3585735A4 EP18757845.5A EP18757845A EP3585735A4 EP 3585735 A4 EP3585735 A4 EP 3585735A4 EP 18757845 A EP18757845 A EP 18757845A EP 3585735 A4 EP3585735 A4 EP 3585735A4
Authority
EP
European Patent Office
Prior art keywords
treatment plants
chemical precipitation
performing chemical
waste water
water treatment
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.)
Withdrawn
Application number
EP18757845.5A
Other languages
German (de)
French (fr)
Other versions
EP3585735A1 (en
Inventor
Hans Ulmert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ULMERT, HANS
Original Assignee
Ulmert Hans David Staffan
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 Ulmert Hans David Staffan filed Critical Ulmert Hans David Staffan
Publication of EP3585735A1 publication Critical patent/EP3585735A1/en
Publication of EP3585735A4 publication Critical patent/EP3585735A4/en
Withdrawn legal-status Critical Current

Links

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
    • C02F1/5209—Regulation methods for flocculation or precipitation
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic 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
    • C02F1/5281—Installations for water purification using chemical 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/11—Turbidity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/18—PO4-P
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/20—Total organic carbon [TOC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate

Landscapes

  • Chemical & Material Sciences (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)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
EP18757845.5A 2017-02-21 2018-02-21 Method of performing chemical precipitation in water and waste water treatment plants Withdrawn EP3585735A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1700035A SE540532C2 (en) 2017-02-21 2017-02-21 Method for performing chemical precipitation in water and wastewater treatment plants
PCT/SE2018/050169 WO2018156075A1 (en) 2017-02-21 2018-02-21 Method of performing chemical precipitation in water and waste water treatment plants

Publications (2)

Publication Number Publication Date
EP3585735A1 EP3585735A1 (en) 2020-01-01
EP3585735A4 true EP3585735A4 (en) 2020-11-18

Family

ID=63253258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18757845.5A Withdrawn EP3585735A4 (en) 2017-02-21 2018-02-21 Method of performing chemical precipitation in water and waste water treatment plants

Country Status (3)

Country Link
EP (1) EP3585735A4 (en)
SE (1) SE540532C2 (en)
WO (1) WO2018156075A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE543905C2 (en) * 2020-02-20 2021-09-21 Hans Ulmert Med Flocell Enskild Firma Device for optimizing the reaction time in the polymerization of coagulants

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812032A (en) * 1971-08-06 1974-05-21 G Chappeil Process for treating domestic and industrial liquid wastes
US5785862A (en) * 1994-03-04 1998-07-28 Imperial College Of Science Technology & Medicine Preparation and uses of polyferric sulphate
CN104098165A (en) * 2014-07-29 2014-10-15 徐锁龙 Preparation method and preparation equipment for composite polyiron water purifying agent

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE433843B (en) * 1982-11-01 1984-06-18 Boliden Ab PROCEDURE FOR PREPARING A WATER PURIFICATION CHEMICAL
SE536998C2 (en) * 2013-02-28 2014-11-25 Hans Ulmert Med Flocell F Method to optimize the chemical precipitation process in water and wastewater treatment plants

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812032A (en) * 1971-08-06 1974-05-21 G Chappeil Process for treating domestic and industrial liquid wastes
US5785862A (en) * 1994-03-04 1998-07-28 Imperial College Of Science Technology & Medicine Preparation and uses of polyferric sulphate
CN104098165A (en) * 2014-07-29 2014-10-15 徐锁龙 Preparation method and preparation equipment for composite polyiron water purifying agent

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018156075A1 *

Also Published As

Publication number Publication date
WO2018156075A1 (en) 2018-08-30
SE540532C2 (en) 2018-09-25
SE1700035A1 (en) 2018-08-22
EP3585735A1 (en) 2020-01-01

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