UY36459A - METHOD FOR REDUCING THE RESIDUAL WATER PHOSPHORY OF A PROCESS - Google Patents

METHOD FOR REDUCING THE RESIDUAL WATER PHOSPHORY OF A PROCESS

Info

Publication number
UY36459A
UY36459A UY0001036459A UY36459A UY36459A UY 36459 A UY36459 A UY 36459A UY 0001036459 A UY0001036459 A UY 0001036459A UY 36459 A UY36459 A UY 36459A UY 36459 A UY36459 A UY 36459A
Authority
UY
Uruguay
Prior art keywords
reducing
effluent
phosphory
filtrate
residual water
Prior art date
Application number
UY0001036459A
Other languages
Spanish (es)
Inventor
Maria Jose Aguerrebere
Backman Mats
Vuan Bruno
Ristolainen Matti
Original Assignee
Upm Kymmene Corp
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 Upm Kymmene Corp filed Critical Upm Kymmene Corp
Publication of UY36459A publication Critical patent/UY36459A/en

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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

La invención se refiere a un método para reducir el fósforo de aguas residuales de un proceso, donde el método comprende obtener un efluente o filtrado del proceso; ajustar el pH de al menos una parte del efluente o filtrado a alcalino con un agente alcalino y permitir que se precipite el fósforo en la forma de una sal de fosfato; separar el precipitado para producir efluente o filtrado puri-ficado; mezclar el efluente o filtrado purificado con aguas residuales durante o antes de un proceso de tratamiento de aguas residuales para obtener una mezcla con un pH alcalinoThe invention relates to a method for reducing the phosphorus of wastewater from a process, where the method comprises obtaining an effluent or filtrate from the process; adjust the pH of at least a part of the effluent or filtered to alkaline with an alkaline agent and allow the phosphorus to precipitate in the form of a phosphate salt; separate the precipitate to produce purified effluent or filtrate; mix the purified effluent or filtrate with wastewater during or before a wastewater treatment process to obtain a mixture with an alkaline pH

UY0001036459A 2014-12-18 2015-12-18 METHOD FOR REDUCING THE RESIDUAL WATER PHOSPHORY OF A PROCESS UY36459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20146112A FI127631B (en) 2014-12-18 2014-12-18 Method for reducing phosphorus in a wastewater from a process

Publications (1)

Publication Number Publication Date
UY36459A true UY36459A (en) 2016-06-30

Family

ID=56558222

Family Applications (1)

Application Number Title Priority Date Filing Date
UY0001036459A UY36459A (en) 2014-12-18 2015-12-18 METHOD FOR REDUCING THE RESIDUAL WATER PHOSPHORY OF A PROCESS

Country Status (2)

Country Link
FI (1) FI127631B (en)
UY (1) UY36459A (en)

Also Published As

Publication number Publication date
FI127631B (en) 2018-10-31
FI20146112A (en) 2016-06-19

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Legal Events

Date Code Title Description
110 Patent granted

Effective date: 20230919