BR112014028060A2 - controle em escala de sulfato nos sistemas aquosos de baixo ph - Google Patents

controle em escala de sulfato nos sistemas aquosos de baixo ph

Info

Publication number
BR112014028060A2
BR112014028060A2 BR112014028060A BR112014028060A BR112014028060A2 BR 112014028060 A2 BR112014028060 A2 BR 112014028060A2 BR 112014028060 A BR112014028060 A BR 112014028060A BR 112014028060 A BR112014028060 A BR 112014028060A BR 112014028060 A2 BR112014028060 A2 BR 112014028060A2
Authority
BR
Brazil
Prior art keywords
scale control
aqueous systems
low
scaling
agents
Prior art date
Application number
BR112014028060A
Other languages
English (en)
Other versions
BR112014028060B1 (pt
Inventor
J Andermann Lawrence
James Bluemle Michael
Borkar Sachin
Original Assignee
Hercules Inc
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 Hercules Inc filed Critical Hercules Inc
Publication of BR112014028060A2 publication Critical patent/BR112014028060A2/pt
Publication of BR112014028060B1 publication Critical patent/BR112014028060B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • 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
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Detergent Compositions (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)

Abstract

resumo patente de invenção: "controle em escala de sulfato nos sistemas aquosos de baixo ph". a presente invenção refere-se aos agentes de controle em escala compreendendo fosfonatos orgânicos, ou sozinhos ou nas misturas com os fosfonatos inorgânicos e também opcionalmente os polímeros, tais como os dispersantes poliméricos de baixo peso molecular. os agentes de controle em escala podem ser aplicados para inibir o depósito ou formação em escala nos sistemas aquosos altamente acídicos por meio da adição destes agentes a tais sistemas nas quantidades eficazes para inibir a formação em escala de sulfato de metal.
BR112014028060-6A 2012-05-09 2013-05-08 Agente de controle em escala para inibir depósito ou formação em escala em sistema aquoso altamente ácido e processo para inibir ou prevenir formação em escala em substrato com superfície em contato com sistema aquoso altamente ácido BR112014028060B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261644529P 2012-05-09 2012-05-09
US61/644,529 2012-05-09
PCT/US2013/040123 WO2013169894A1 (en) 2012-05-09 2013-05-08 Sulfate scale control in low ph aqueous systems

Publications (2)

Publication Number Publication Date
BR112014028060A2 true BR112014028060A2 (pt) 2017-07-18
BR112014028060B1 BR112014028060B1 (pt) 2021-04-27

Family

ID=49547832

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014028060-6A BR112014028060B1 (pt) 2012-05-09 2013-05-08 Agente de controle em escala para inibir depósito ou formação em escala em sistema aquoso altamente ácido e processo para inibir ou prevenir formação em escala em substrato com superfície em contato com sistema aquoso altamente ácido

Country Status (12)

Country Link
US (1) US20130299432A1 (pt)
EP (1) EP2847365B1 (pt)
CN (1) CN104411867A (pt)
AU (1) AU2013259570B2 (pt)
BR (1) BR112014028060B1 (pt)
CA (1) CA2873373C (pt)
CL (1) CL2014002946A1 (pt)
ES (1) ES2684689T3 (pt)
MX (1) MX358409B (pt)
PT (1) PT2847365T (pt)
WO (1) WO2013169894A1 (pt)
ZA (1) ZA201409003B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9476108B2 (en) 2013-07-26 2016-10-25 Ecolab Usa Inc. Utilization of temperature heat adsorption skin temperature as scale control reagent driver
US11535911B2 (en) 2019-10-29 2022-12-27 Solenis Technologies, L.P. Method for reducing formation of CaSO4 and Fe2O3 containing deposits in a pressure oxidation autoclave and/or adjacent circuits during pressure oxidation of gold-containing ore
WO2023122638A1 (en) * 2021-12-23 2023-06-29 Solenis Technologies Cayman, L.P. Calcite scale inhibitors for stressed process conditions

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633672A (en) * 1970-05-11 1972-01-11 Dow Chemical Co Inhibition of deposition of scale
US4676832A (en) * 1984-10-26 1987-06-30 Halliburton Company Set delayed cement compositions and methods of using the same
EP0886718B1 (en) * 1996-03-15 2001-11-28 BP Chemicals Limited Oil and gas field chemicals
US6355214B1 (en) * 1999-06-16 2002-03-12 Hercules Incorporated Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor
US6333005B1 (en) * 1999-06-16 2001-12-25 Hercules Incorporated Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor
EP1716083A4 (en) * 2004-02-13 2010-05-26 Gen Electric DESALINATION SCALE INHIBITORS
US8513176B2 (en) * 2006-08-02 2013-08-20 Ch2O Incorporated Disinfecting and mineral deposit eliminating composition and methods
EP1887011A1 (en) * 2006-08-09 2008-02-13 Thermphos Trading GmbH Alpha amino acid phosphonic acid compounds, method of preparation and use thereof
EP1886976A1 (en) * 2006-08-09 2008-02-13 Thermphos Trading GmbH Method of scale inhibition
US20090294373A1 (en) * 2008-05-30 2009-12-03 Gill Jasbir S Inhibition of water formed scale in acid conditions
EP2318321B1 (en) * 2008-06-30 2018-07-18 Champion Technologies, Inc. Preparation of environmentally acceptable scale inhibitors
US8138129B2 (en) * 2009-10-29 2012-03-20 Halliburton Energy Services, Inc. Scale inhibiting particulates and methods of using scale inhibiting particulates

Also Published As

Publication number Publication date
CA2873373C (en) 2019-07-09
PT2847365T (pt) 2018-10-09
MX2014013494A (es) 2015-11-13
ES2684689T3 (es) 2018-10-04
AU2013259570A1 (en) 2014-10-30
CL2014002946A1 (es) 2015-02-20
EP2847365A1 (en) 2015-03-18
EP2847365A4 (en) 2015-11-18
MX358409B (es) 2018-08-20
US20130299432A1 (en) 2013-11-14
EP2847365B1 (en) 2018-07-11
ZA201409003B (en) 2017-04-26
WO2013169894A1 (en) 2013-11-14
AU2013259570B2 (en) 2016-09-08
BR112014028060B1 (pt) 2021-04-27
CN104411867A (zh) 2015-03-11
CA2873373A1 (en) 2013-11-14

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06I Publication of requirement cancelled [chapter 6.9 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 6.6.1 NA RPI NO 2462 DE 13/03/2018 POR TER SIDO INDEVIDA.

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 08/05/2013, OBSERVADAS AS CONDICOES LEGAIS.