BRPI0412848B1 - mÉtodo de remoÇço de contaminantes de um fluxo de Água de despejo. - Google Patents

mÉtodo de remoÇço de contaminantes de um fluxo de Água de despejo.

Info

Publication number
BRPI0412848B1
BRPI0412848B1 BRPI0412848-6A BRPI0412848A BRPI0412848B1 BR PI0412848 B1 BRPI0412848 B1 BR PI0412848B1 BR PI0412848 A BRPI0412848 A BR PI0412848A BR PI0412848 B1 BRPI0412848 B1 BR PI0412848B1
Authority
BR
Brazil
Prior art keywords
water stream
removing contaminants
pouring water
pouring
contaminants
Prior art date
Application number
BRPI0412848-6A
Other languages
English (en)
Inventor
Lnsp Nagghappan
Robert P Helwick
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 filed Critical
Publication of BRPI0412848A publication Critical patent/BRPI0412848A/pt
Publication of BRPI0412848B1 publication Critical patent/BRPI0412848B1/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12—Controlling or regulating
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/12—Halogens or halogen-containing compounds
    • C02F2101/14—Fluorine or fluorine-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/12—Inert solids used as ballast for improving sedimentation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Removal Of Specific Substances (AREA)
BRPI0412848-6A 2003-07-24 2004-07-26 mÉtodo de remoÇço de contaminantes de um fluxo de Água de despejo. BRPI0412848B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US48985303P 2003-07-24 2003-07-24
US10/899,326 US7438817B2 (en) 2003-07-24 2004-07-26 System and method for treatment of acidic wastewater
PCT/US2004/024179 WO2005009908A2 (en) 2003-07-24 2004-07-26 System and method for treatment of acidic wastewater

Publications (2)

Publication Number Publication Date
BRPI0412848A BRPI0412848A (pt) 2006-09-26
BRPI0412848B1 true BRPI0412848B1 (pt) 2012-12-25

Family

ID=34107816

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0412848-6A BRPI0412848B1 (pt) 2003-07-24 2004-07-26 mÉtodo de remoÇço de contaminantes de um fluxo de Água de despejo.

Country Status (10)

Country Link
US (3) US7438817B2 (pt)
EP (1) EP1651573B1 (pt)
AU (1) AU2004259768B2 (pt)
BR (1) BRPI0412848B1 (pt)
CA (1) CA2533628C (pt)
ES (1) ES2471215T3 (pt)
MX (1) MXPA06000839A (pt)
PL (1) PL1651573T3 (pt)
RU (1) RU2342330C2 (pt)
WO (1) WO2005009908A2 (pt)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050211632A1 (en) * 2004-03-26 2005-09-29 Taiwan Semiconductor Manufacturing Co., Ltd. Base dosing water purification system and method
US7699991B2 (en) * 2004-05-05 2010-04-20 Samuel Rupert Owens Apparatus and process for water conditioning
US7270796B2 (en) * 2005-08-11 2007-09-18 Castion Corporation Ammonium/ammonia removal from a stream
US7651555B2 (en) * 2005-08-17 2010-01-26 Roseberry Jeffrey L Onsite chemistry air filtration system
US7498377B2 (en) * 2005-10-24 2009-03-03 Unimin Corporation Fluoride based composite material and method for making the same
US8206592B2 (en) * 2005-12-15 2012-06-26 Siemens Industry, Inc. Treating acidic water
CN101437761B (zh) * 2006-05-09 2011-08-24 东丽株式会社 淡水制造方法
FR2908129B1 (fr) * 2006-11-06 2009-09-18 Otv Sa Procede de traitement de rejet de station membranaire
US10023487B2 (en) 2006-12-12 2018-07-17 Veolia Water Solutions & Technologies Support Method of recovering oil or gas and treating the resulting produced water
US7815804B2 (en) * 2006-12-12 2010-10-19 Otv Sa S.A. Method for treating wastewater or produced water
US8470172B2 (en) 2007-01-09 2013-06-25 Siemens Industry, Inc. System for enhancing a wastewater treatment process
US20100213123A1 (en) 2007-01-09 2010-08-26 Marston Peter G Ballasted sequencing batch reactor system and method for treating wastewater
US20110036771A1 (en) 2007-01-09 2011-02-17 Steven Woodard Ballasted anaerobic system and method for treating wastewater
US8840786B2 (en) 2007-01-09 2014-09-23 Evoqua Water Technologies Llc System and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water
WO2008091577A1 (en) * 2007-01-22 2008-07-31 Siemens Water Technologies Corp. Systems and methods to treat wastewater
US7520993B1 (en) * 2007-12-06 2009-04-21 Water & Power Technologies, Inc. Water treatment process for oilfield produced water
FR2930246B1 (fr) * 2008-04-18 2011-12-09 Veolia Eau Cie Generale Des Eaux Procede de traitement des effluents aqueux de purge ou de nettoyage des circuits de generateurs de vapeur et unite mobile permettant la mise en oeuvre de ce procede
FR2930541B1 (fr) * 2008-04-29 2010-05-21 Solvay Procede d'epuration de solutions aqueuses
US20110163032A1 (en) * 2008-09-17 2011-07-07 Siemens Pte Ltd High recovery sulfate removal process
CA2731677C (en) * 2008-11-17 2014-01-21 Chemetall Foote Corporation Recovery of lithium from aqueous solutions
AU2012261548B2 (en) * 2008-11-17 2013-02-21 Rockwood Lithium Inc. Recovery of lithium from aqueous solutions
JP4747216B2 (ja) * 2009-12-22 2011-08-17 株式会社神鋼環境ソリューション フッ素およびケイ素を含む排水の前処理方法、およびフッ素およびケイ素を含む排水の処理設備
RU2426699C1 (ru) * 2009-12-23 2011-08-20 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" Способ очистки оборотных вод металлургического производства
JP5349435B2 (ja) * 2010-09-16 2013-11-20 株式会社東芝 海水淡水化装置および薬品注入装置
TWI434725B (zh) * 2011-03-08 2014-04-21 Asia Union Electronical Chemical Corp 利用氫氧基化合物和離子交換樹脂吸附以純化氟酸系蝕刻液的處理方法
US20120285894A1 (en) 2011-05-13 2012-11-15 Frank Leslie Smiddy System and method for the treatment of wastewater
EP2760797B1 (en) 2011-09-28 2022-01-26 BL Technologies, Inc. Method for flocculating algae using polymers including tannin
EP2841623B1 (en) 2012-04-23 2020-10-28 Nemaska Lithium Inc. Processes for preparing lithium hydroxide
US8980100B2 (en) * 2012-04-23 2015-03-17 Aquatech International Corporation Low energy reverse osmosis process
US9382126B2 (en) 2012-05-30 2016-07-05 Nemaska Lithium Inc. Processes for preparing lithium carbonate
CA2873081C (en) 2012-06-11 2020-12-29 Evoqua Water Technologies Llc Treatment using fixed film processes and ballasted settling
US9255025B2 (en) 2012-07-20 2016-02-09 ProAct Services Corporation Method for the treatment of wastewater
WO2014018419A1 (en) * 2012-07-21 2014-01-30 K-Technologies, Inc. Processes for the recovery of fluoride and silica products and phosphoric acid from wet-process phosphoric acid facilities and contaminated waste waters
US9651523B2 (en) 2012-09-26 2017-05-16 Evoqua Water Technologies Llc System for measuring the concentration of magnetic ballast in a slurry
UA118187C2 (uk) * 2013-03-15 2018-12-10 Е3Вотер, Ллс Портативна небіологічна циклічна установка для обробки каналізаційних стоків
EP4424408A3 (en) 2013-03-15 2025-04-09 Nemaska Lithium Inc. Processes for preparing lithium hydroxide
JP6335316B2 (ja) 2013-10-23 2018-05-30 ネマスカ リチウム インコーポレイテッド 炭酸リチウムの調製のためのプロセス
AU2014339706B2 (en) 2013-10-23 2017-05-18 Nemaska Lithium Inc. Processes and systems for preparing lithium hydroxide
CA3047774C (en) 2014-02-24 2020-08-18 Nemaska Lithium Inc. Methods for treating lithium-containing materials
CA2996651C (en) 2015-08-27 2021-06-01 Nemaska Lithium Inc. Method for preparing lithium hydroxide and lithium sulfate monohydrate using hydrogen depolarized anode
CA2940509A1 (en) 2016-08-26 2018-02-26 Nemaska Lithium Inc. Processes for treating aqueous compositions comprising lithium sulfate and sulfuric acid
SG10201610914YA (en) * 2016-12-28 2018-07-30 Meidensha Electric Mfg Co Ltd Membrane separation method and apparatus equipped with particle fractionator
US10683162B2 (en) 2017-05-18 2020-06-16 Evoqua Water Technologies Llc Digester cover left-in-place ballast ring
CN113772750B (zh) 2017-11-22 2024-05-10 内玛斯卡锂业有限公司 制备各种金属的氢氧化物和氧化物以及其衍生物的方法
CN109956599A (zh) * 2019-03-01 2019-07-02 东莞理工学院 一种工业废水净化处理装置
CN110078262B (zh) * 2019-05-20 2022-07-12 南京师范大学 一种去除复合污染地表水中痕量抗生素的一体化反应器及其去除方法
WO2020232556A1 (en) 2019-05-22 2020-11-26 Nemaska Lithium Inc. Processes for preparing hydroxides and oxides of various metals and derivatives thereof
CN110510775A (zh) * 2019-09-04 2019-11-29 煤科集团杭州环保研究院有限公司 一种双膜增浓协同化学处理含氟废水的处理方法及系统
US11524909B2 (en) 2019-11-01 2022-12-13 Ecolab Usa Inc. Accurate biocide dosing for low concentration membrane biofouling control applications
EP4034506A4 (en) 2019-11-08 2023-07-26 Evoqua Water Technologies LLC ACCELERATED DEPOSITION OF FLAKES FOLLOWING ELECTROCOAGULATION/AN ELECTROCHEMICAL PROCESS USING FLOCATION
EP4139027A1 (en) 2020-04-20 2023-03-01 Ecolab USA Inc. Charge neutral biocide dosing control for membrane biofouling control applications
US12509382B2 (en) * 2021-08-25 2025-12-30 Saudi Arabian Oil Company Controlling biofouling in water purification

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249498A (en) * 1965-03-15 1966-05-03 Monsanto Co Mercury chlorocyanurate salts, processes for preparing same, and compositions containing same
US3252855A (en) * 1965-08-10 1966-05-24 American Cyanamid Co Method of controlling algal growth
US4574049B1 (en) * 1984-06-04 1999-02-02 Ionpure Filter Us Inc Reverse osmosis system
SU1443923A1 (ru) * 1986-09-12 1988-12-15 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Атомного Энергетического Машиностроения Способ контрол загр зненности растворов,поступающих на обратноосмотическую обработку
US5766479A (en) 1995-08-07 1998-06-16 Zenon Environmental Inc. Production of high purity water using reverse osmosis
JP3244404B2 (ja) * 1995-08-16 2002-01-07 シャープ株式会社 水処理方法および水処理装置
US6537456B2 (en) * 1996-08-12 2003-03-25 Debasish Mukhopadhyay Method and apparatus for high efficiency reverse osmosis operation
CA2186963C (en) 1996-10-01 1999-03-30 Riad A. Al-Samadi High water recovery membrane purification process
US6267891B1 (en) * 1997-03-03 2001-07-31 Zenon Environmental Inc. High purity water production using ion exchange
US6398965B1 (en) * 1998-03-31 2002-06-04 United States Filter Corporation Water treatment system and process
US6071413A (en) 1999-01-13 2000-06-06 Texaco Inc. Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse omosis
JP4353584B2 (ja) * 1999-06-01 2009-10-28 オルガノ株式会社 砂添加凝集沈澱装置
US6338803B1 (en) * 1999-08-30 2002-01-15 Koch Microelectronic Service Co., Inc. Process for treating waste water containing hydrofluoric acid and mixed acid etchant waste
FR2801878B1 (fr) * 1999-12-03 2002-02-22 Degremont Procede et installation de clarification des liquides et suspensions par floculation lestee et decantation
IL141642A (en) * 2001-02-26 2003-01-12 Ide Technologies Ltd Method of boron removal in presence of magnesium ions
US6649037B2 (en) * 2001-05-29 2003-11-18 United States Filter Corporation Electrodeionization apparatus and method
AU2002322559A1 (en) 2001-07-20 2003-03-03 Microbar, Inc. Reverse osmosis pretreatment using low pressure filtration
US6758976B2 (en) * 2001-10-25 2004-07-06 Imc Global Operations Inc. Simplified purification of phosphoric acid plant pond water

Also Published As

Publication number Publication date
WO2005009908A2 (en) 2005-02-03
PL1651573T3 (pl) 2014-09-30
ES2471215T3 (es) 2014-06-25
WO2005009908A3 (en) 2005-05-19
EP1651573B1 (en) 2014-03-19
US20050051488A1 (en) 2005-03-10
EP1651573A2 (en) 2006-05-03
US20120305483A1 (en) 2012-12-06
US7438817B2 (en) 2008-10-21
AU2004259768A1 (en) 2005-02-03
BRPI0412848A (pt) 2006-09-26
AU2004259768B2 (en) 2009-04-09
CA2533628C (en) 2013-12-10
RU2006105497A (ru) 2006-08-10
CA2533628A1 (en) 2005-02-03
US20080290030A1 (en) 2008-11-27
RU2342330C2 (ru) 2008-12-27
MXPA06000839A (es) 2006-05-04

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 26/07/2004, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B25D Requested change of name of applicant approved
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)