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 composiçãoInfo
- 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
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.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1561918 | 2015-12-07 | ||
FR1561918A FR3044655B1 (fr) | 2015-12-07 | 2015-12-07 | Procede de traitement d'effluent aqueux |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3082196B1 (fr) | 2018-06-08 | 2021-04-23 | Coatex Sas | Controle de la rheologie d'un residu de minerai metallique |
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 |
CA3047562C (en) | 2018-06-21 | 2023-09-26 | Uti Limited Partnership | Enhanced flocculation of intractable slurries using silicate ions |
WO2020089271A1 (en) * | 2018-10-31 | 2020-05-07 | Basf Se | Enhanced dewatering of mining tailings employing chemical pre-treatment |
US20240043330A1 (en) * | 2020-12-21 | 2024-02-08 | Envicore Inc. | Process for tailings stream sedimentation and segregation |
Family Cites Families (11)
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 |
EP2686275B1 (en) * | 2011-03-17 | 2020-05-06 | Solenis Technologies Cayman, L.P. | Process for improving the flow rate of an aqueous dispersion |
WO2013052326A1 (en) * | 2011-10-04 | 2013-04-11 | Kemira Oy J | Methods for treating metals and metalloids |
EP2898004A4 (en) * | 2012-09-19 | 2016-03-30 | Solenis Technologies Cayman Lp | METHOD FOR IMPROVING THE RHEOLOGICAL PROPERTIES OF AN AQUEOUS DISPERSION |
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 |
PE20180142A1 (es) | 2015-04-30 | 2018-01-18 | Basf Se | Separacion de suspensiones de solidos mediante el empleo de un polimero hidrosoluble y un agente quimico |
-
2015
- 2015-12-07 FR FR1561918A patent/FR3044655B1/fr not_active Expired - Fee Related
-
2016
- 2016-12-07 CA CA3007272A patent/CA3007272C/fr active Active
- 2016-12-07 WO PCT/EP2016/080006 patent/WO2017097799A1/fr active Application Filing
- 2016-12-07 US US15/781,960 patent/US10889512B2/en active Active
- 2016-12-07 BR BR112018011481-2A patent/BR112018011481A2/pt not_active Application Discontinuation
- 2016-12-07 CN CN201680061409.1A patent/CN108349762B/zh active Active
- 2016-12-07 RU RU2018120175A patent/RU2733619C2/ru active
-
2018
- 2018-06-05 CL CL2018001502A patent/CL2018001502A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
US20180362371A1 (en) | 2018-12-20 |
RU2018120175A (ru) | 2019-12-02 |
RU2018120175A3 (pt) | 2020-02-26 |
CL2018001502A1 (es) | 2018-08-17 |
WO2017097799A1 (fr) | 2017-06-15 |
FR3044655B1 (fr) | 2021-06-11 |
US10889512B2 (en) | 2021-01-12 |
CN108349762A (zh) | 2018-07-31 |
CA3007272A1 (fr) | 2017-06-15 |
CN108349762B (zh) | 2021-09-03 |
CA3007272C (fr) | 2023-08-29 |
FR3044655A1 (fr) | 2017-06-09 |
RU2733619C2 (ru) | 2020-10-05 |
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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] |