BR112018001300A2 - processo de tratamento de efluentes melhorados para a remoção de sulfato - Google Patents

processo de tratamento de efluentes melhorados para a remoção de sulfato

Info

Publication number
BR112018001300A2
BR112018001300A2 BR112018001300-5A BR112018001300A BR112018001300A2 BR 112018001300 A2 BR112018001300 A2 BR 112018001300A2 BR 112018001300 A BR112018001300 A BR 112018001300A BR 112018001300 A2 BR112018001300 A2 BR 112018001300A2
Authority
BR
Brazil
Prior art keywords
treatment process
effluent treatment
sulphate removal
improved effluent
gypsum
Prior art date
Application number
BR112018001300-5A
Other languages
English (en)
Other versions
BR112018001300B1 (pt
Inventor
Hendriette Kotze Martha
Original Assignee
Mintek
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 Mintek filed Critical Mintek
Publication of BR112018001300A2 publication Critical patent/BR112018001300A2/pt
Publication of BR112018001300B1 publication Critical patent/BR112018001300B1/pt

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
    • C02F1/5236—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
    • C02F1/66—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
    • 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
    • C02F2001/5218—Crystallization
    • 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
    • C02F2101/101—Sulfur 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • 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
    • C02F2101/206—Manganese or manganese compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • 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
    • C02F2303/00—Specific treatment goals
    • C02F2303/18—Removal of treatment agents after treatment

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)
  • Removal Of Specific Substances (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

um tratamento e método de água residual ácida em que os hidróxidos de metais pesados e o gesso são precipitados em uma única operação e em que o trihidróxido de alumínio amorfo e o gesso são separados em uma única unidade de separação sólido-sólido.
BR112018001300-5A 2015-07-22 2016-07-22 Processo de tratamento de efluentes melhorados para a remoção de sulfato BR112018001300B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA2015/05275 2015-07-22
ZA201505275 2015-07-22
PCT/ZA2016/050025 WO2017015678A2 (en) 2015-07-22 2016-07-22 Improved effluent treatment process for sulphate removal

Publications (2)

Publication Number Publication Date
BR112018001300A2 true BR112018001300A2 (pt) 2018-09-11
BR112018001300B1 BR112018001300B1 (pt) 2021-10-05

Family

ID=57835302

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018001300-5A BR112018001300B1 (pt) 2015-07-22 2016-07-22 Processo de tratamento de efluentes melhorados para a remoção de sulfato

Country Status (11)

Country Link
US (1) US10676381B2 (pt)
EP (1) EP3325414B1 (pt)
AU (1) AU2016297288B2 (pt)
BR (1) BR112018001300B1 (pt)
CA (1) CA2993284C (pt)
CL (1) CL2018000172A1 (pt)
CY (1) CY1122103T1 (pt)
MX (1) MX2018000859A (pt)
PE (1) PE20180804A1 (pt)
WO (1) WO2017015678A2 (pt)
ZA (1) ZA201800325B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019287495B2 (en) 2018-06-13 2021-09-09 The Water Company, Llc Controlled removal of ions from aqueous fluid
CN108793498A (zh) * 2018-06-28 2018-11-13 上海电力学院 一种硫酸根去除沉淀剂循环利用方法
CN109485176A (zh) * 2018-11-30 2019-03-19 北京圣盟科技有限公司 一种石墨烯生产废水的高效处理方法
SE545642C2 (en) * 2020-07-16 2023-11-21 Axolot Solutions Holding Ab A method and a system for removal of sulfate from wastewater by electrocoagulation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9711451D0 (en) * 1997-06-03 1997-07-30 Ramsay James I A process for the treatment of effluent streams
EP0986519B1 (fr) * 1997-06-05 2001-12-12 Bevil SPRL Produit biologique pour l'entretien des canalisations et pour l'epuration des eaux usees
AU7999601A (en) * 2000-08-21 2002-03-04 Csir Water treatment method
MX2012015286A (es) 2010-06-23 2013-04-03 Veolia Water Solutions & Tech Un proceso para reducir la concentracion de sulfato en una corriente de guas residuales.
FI126285B (en) 2012-08-27 2016-09-15 Outotec Finland Oy Process for removing sulfate, calcium and / or other soluble metals from wastewater
US9278875B2 (en) * 2012-11-27 2016-03-08 Veolia Water Solutions & Technologies Support Process for reducing the sulfate concentration in a wastewater stream by employing regenerated gibbsite
GB201407101D0 (en) * 2014-04-22 2014-06-04 Paxton Richard G New process for the treatment of high sulphate waters

Also Published As

Publication number Publication date
CY1122103T1 (el) 2020-11-25
MX2018000859A (es) 2018-05-04
US20190002312A1 (en) 2019-01-03
EP3325414B1 (en) 2019-09-04
PE20180804A1 (es) 2018-05-09
EP3325414A2 (en) 2018-05-30
AU2016297288B2 (en) 2021-04-22
CA2993284C (en) 2021-11-02
US10676381B2 (en) 2020-06-09
CL2018000172A1 (es) 2018-04-20
WO2017015678A2 (en) 2017-01-26
AU2016297288A1 (en) 2018-02-08
WO2017015678A3 (en) 2017-06-15
ZA201800325B (en) 2018-11-28
CA2993284A1 (en) 2017-01-26
BR112018001300B1 (pt) 2021-10-05

Similar Documents

Publication Publication Date Title
EP3365849A4 (en) SYSTEM AND METHOD FOR PLANNING AND FACILITATING WASTE DISPOSAL
EP3258423A4 (en) Handwriting recognition method and apparatus
EP3180136A4 (en) Method, apparatus and system for sorting waste
HK1254676A1 (zh) 能效系統和水解污泥的方法
BR112015003530B8 (pt) Método para remoção de sulfato, cálcio e/ou outros metais solúveis a partir de água residual
EP3555432A4 (en) APPARATUS FOR EXTRACTING ENERGY FROM LOST HEAT
CY1122103T1 (el) Βελτιωμενη διεργασια επεξεργασιας εκροης για την απομακρυνση θειικου
EP3557482A4 (en) FINGERPRINT RECOGNITION CARD AND METHOD OF OPERATING A POWER SOURCE USING THE FINGERPRINT RECOGNITION CARD
EP3408003A4 (en) APPARATUS AND METHOD FOR TREATING WASTEWATER
IL266191B (en) Process in the wastewater treatment system
MX2018000858A (es) Proceso de tratamiento de efluentes - refinamiento del ph para eliminacion de sulfato.
EP3242298A4 (en) Method for processing liquid radioactive waste and for the recovery thereof
GB2553958B (en) Electrolytic system and method for processing a hydrocarbon source
MA40646A (fr) Procédé de traitement et d'extraction de déchets électroniques en vue de la récupération des constituants inclus dans de tels déchets
FR3026447B1 (fr) Dispositif formant cle pour le maintien d'un frein d'ecrou
EP3642167A4 (en) DEVICE AND METHOD FOR DRAINING MUD
EP3145880A4 (en) Integrated recycling system and methods for use of sludge
EP3548192A4 (en) METHODS AND SYSTEMS FOR POLISHING AND RECOVERING ALUMINUM FROM WASTE MATERIAL
EP3638630A4 (en) SLUDGE TREATMENT PROCESS
EP3424898A4 (en) PROCESS AND APPARATUS FOR CONTINUOUS RECOVERY OF (METH) ACRYLIC ACID
GB2536132B (en) System and method for treating wastewater and resulting primary and biological sludge
EP3238001A4 (en) Apparatus and method for implementing power saving techniques when processing floating point value
EP3183322A4 (en) Apparatus, system, and method for converting varied source industry waste into energy
EP3466891A4 (en) METHOD FOR THE TREATMENT OF WASTEWATER IN A SOLVENT
EP3287950A4 (en) Self-correction recognition method and device for valuable document recognition device

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 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 22/07/2016, OBSERVADAS AS CONDICOES LEGAIS.