BR112018011481A2 - método para tratar um efluente aquoso, uso de pelo menos um agente, uso de pelo menos um agente de dispersão sulfonado e composição - Google Patents

método para tratar um efluente aquoso, uso de pelo menos um agente, uso de pelo menos um agente de dispersão sulfonado e composição

Info

Publication number
BR112018011481A2
BR112018011481A2 BR112018011481-2A BR112018011481A BR112018011481A2 BR 112018011481 A2 BR112018011481 A2 BR 112018011481A2 BR 112018011481 A BR112018011481 A BR 112018011481A BR 112018011481 A2 BR112018011481 A2 BR 112018011481A2
Authority
BR
Brazil
Prior art keywords
agent
composition
aqueous effluent
solid particles
dispersing agent
Prior art date
Application number
BR112018011481-2A
Other languages
English (en)
Inventor
Favero Cédrick
Tizzotti Morgan
Original Assignee
S.P.C.M. Sa
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 S.P.C.M. Sa filed Critical S.P.C.M. Sa
Publication of BR112018011481A2 publication Critical patent/BR112018011481A2/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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating 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
    • C02F1/001—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
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

a invenção refere-se ao tratamento de rejeitos de minas na forma de efluentes aquosos compreendendo partículas sólidas. com o método da invenção é possível separar toda ou parte da água de um efluente aquoso compreendendo partículas sólidas. este método compreende (a) adição de, pelo menos, um agente de dispersão sulfonado ao efluente, em seguida, (b) adição de pelo menos um agente para flocular as partículas sólidas. a invenção também se refere a uma composição compreendendo um efluente aquoso compreendendo partículas sólidas floculadas dispersas. de um modo preferido, refere-se a uma composição compreendendo um efluente aquoso compreendendo partículas sólidas, pelo menos, um agente de dispersão sulfonado e, pelo menos, um agente para flocular partículas sólidas.
BR112018011481-2A 2015-12-07 2016-12-07 método para tratar um efluente aquoso, uso de pelo menos um agente, uso de pelo menos um agente de dispersão sulfonado e composição BR112018011481A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1561918A FR3044655B1 (fr) 2015-12-07 2015-12-07 Procede de traitement d'effluent aqueux
FR1561918 2015-12-07
PCT/EP2016/080006 WO2017097799A1 (fr) 2015-12-07 2016-12-07 Procédé de traitement d'effluent aqueux

Publications (1)

Publication Number Publication Date
BR112018011481A2 true BR112018011481A2 (pt) 2018-12-04

Family

ID=56084096

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018011481-2A BR112018011481A2 (pt) 2015-12-07 2016-12-07 método para tratar um efluente aquoso, uso de pelo menos um agente, uso de pelo menos um agente de dispersão sulfonado e composição

Country Status (8)

Country Link
US (1) US10889512B2 (pt)
CN (1) CN108349762B (pt)
BR (1) BR112018011481A2 (pt)
CA (1) CA3007272C (pt)
CL (1) CL2018001502A1 (pt)
FR (1) FR3044655B1 (pt)
RU (1) RU2733619C2 (pt)
WO (1) WO2017097799A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3082197B1 (fr) * 2018-06-08 2021-04-23 Coatex Sas Recyclage d'eau dans un derive minier
FR3082195B1 (fr) * 2018-06-08 2021-05-28 Coatex Sas Controle de la rheologie d'un residu de minerai metallique
FR3082196B1 (fr) * 2018-06-08 2021-04-23 Coatex Sas Controle de la rheologie d'un residu de minerai metallique
CA3047562C (en) 2018-06-21 2023-09-26 Uti Limited Partnership Enhanced flocculation of intractable slurries using silicate ions
CA3117346A1 (en) * 2018-10-31 2020-05-07 Basf Se Enhanced dewatering of mining tailings employing chemical pre-treatment
WO2022133600A1 (en) * 2020-12-21 2022-06-30 Envicore Inc. Process for tailings stream sedimentation and segregation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424234A1 (fr) * 1978-04-24 1979-11-23 Hoechst France Procede de traitement des eaux brutes et des eaux residuaires
HU9202203D0 (en) * 1990-01-29 1992-12-28 Yasuyuki Sakurada Apparatus for purifying sewage water
GB0310419D0 (en) * 2003-05-07 2003-06-11 Ciba Spec Chem Water Treat Ltd Treatment of aqueous suspensions
FR2922214B1 (fr) 2007-10-12 2010-03-12 Spcm Sa Dispositif pour la dispersion dans l'eau de polymeres hydrosolubles, et procede mettant en oeuvre le dispositif
US8764974B2 (en) * 2010-04-16 2014-07-01 Nalco Company Processing aids to improve the bitumen recovery and froth quality in oil sands extraction processes
CN103842300A (zh) * 2011-03-17 2014-06-04 赫尔克里士公司 提高水性分散体的流动速率的方法
WO2013052326A1 (en) * 2011-10-04 2013-04-11 Kemira Oy J Methods for treating metals and metalloids
BR112015004979B1 (pt) * 2012-09-19 2021-07-27 Solenis Technologies Cayman, L.P. Processo para melhorar as propriedades reológicas de uma pasta mineral
US9567655B2 (en) * 2012-10-22 2017-02-14 Georgia-Pacific Chemicals Llc Processes for the separation of ores
US20140238943A1 (en) * 2013-02-22 2014-08-28 Cedrick Favero Method For Treating Suspensions Of Solid Particles In Water Using Post Hydrolyzed Polymers
CN107530593A (zh) 2015-04-30 2018-01-02 巴斯夫欧洲公司 使用水溶性聚合物和化学试剂分离固体的悬浮液

Also Published As

Publication number Publication date
US20180362371A1 (en) 2018-12-20
CN108349762A (zh) 2018-07-31
US10889512B2 (en) 2021-01-12
CA3007272A1 (fr) 2017-06-15
RU2733619C2 (ru) 2020-10-05
WO2017097799A1 (fr) 2017-06-15
CL2018001502A1 (es) 2018-08-17
FR3044655A1 (fr) 2017-06-09
RU2018120175A (ru) 2019-12-02
FR3044655B1 (fr) 2021-06-11
CN108349762B (zh) 2021-09-03
RU2018120175A3 (pt) 2020-02-26
CA3007272C (fr) 2023-08-29

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]