CL2014001520A1 - Method for reducing the concentration of arsenic in an aqueous medium comprising contacting the aqueous medium with a coated adsorbent substrate and adsorbing the arsenic, wherein said substrate contains microparticles coated with iron oxide nanoparticles; water purifier; and method for manufacturing said substrates - Google Patents
Method for reducing the concentration of arsenic in an aqueous medium comprising contacting the aqueous medium with a coated adsorbent substrate and adsorbing the arsenic, wherein said substrate contains microparticles coated with iron oxide nanoparticles; water purifier; and method for manufacturing said substratesInfo
- Publication number
- CL2014001520A1 CL2014001520A1 CL2014001520A CL2014001520A CL2014001520A1 CL 2014001520 A1 CL2014001520 A1 CL 2014001520A1 CL 2014001520 A CL2014001520 A CL 2014001520A CL 2014001520 A CL2014001520 A CL 2014001520A CL 2014001520 A1 CL2014001520 A1 CL 2014001520A1
- Authority
- CL
- Chile
- Prior art keywords
- arsenic
- aqueous medium
- coated
- substrate
- adsorbing
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
- B01J20/28007—Sorbent size or size distribution, e.g. particle size with size in the range 1-100 nanometers, e.g. nanosized particles, nanofibers, nanotubes, nanowires or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3234—Inorganic material layers
- B01J20/3236—Inorganic material layers containing metal, other than zeolites, e.g. oxides, hydroxides, sulphides or salts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/58—Use in a single column
-
- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- 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
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
- C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
-
- 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
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
-
- 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
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- 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
- C02F2101/103—Arsenic 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
- C02F2301/00—General aspects of water treatment
-
- 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
- C02F2303/02—Odour removal or prevention of malodour
-
- 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
- C02F2303/04—Disinfection
-
- 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
- C02F2305/08—Nanoparticles or nanotubes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Geochemistry & Mineralogy (AREA)
- Composite Materials (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2011/003051 WO2013088185A1 (en) | 2011-12-15 | 2011-12-15 | Arsenic remediation methods and coated adsorbent compositions therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
CL2014001520A1 true CL2014001520A1 (en) | 2014-11-14 |
Family
ID=48611913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2014001520A CL2014001520A1 (en) | 2011-12-15 | 2014-06-10 | Method for reducing the concentration of arsenic in an aqueous medium comprising contacting the aqueous medium with a coated adsorbent substrate and adsorbing the arsenic, wherein said substrate contains microparticles coated with iron oxide nanoparticles; water purifier; and method for manufacturing said substrates |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN104066503A (en) |
AP (1) | AP2014007686A0 (en) |
CL (1) | CL2014001520A1 (en) |
IN (1) | IN2014CN04255A (en) |
WO (1) | WO2013088185A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3360850A4 (en) * | 2015-10-09 | 2019-05-15 | Nippon Soda Co., Ltd. | Iron oxyhydroxide nanodispersion liquid |
JP6731934B2 (en) * | 2015-10-09 | 2020-07-29 | ▲高▼橋金属株式会社 | Adsorbent dispersion and adsorption method |
CN105771911B (en) * | 2016-03-03 | 2018-05-18 | 云南圣清环保科技有限公司 | A kind of loading β type FeOOH modified natural fibers element functional form materials and preparation method and application |
CN105923728A (en) * | 2016-06-20 | 2016-09-07 | 江门市江海区炜洁净水材料有限公司 | Diatom water clarifying agent |
CN105923730A (en) * | 2016-06-20 | 2016-09-07 | 江门市江海区炜洁净水材料有限公司 | Nanometer water clarifying agent |
WO2019017848A1 (en) * | 2017-07-20 | 2019-01-24 | Planet Care | Method and device for removing particles, preferably microfibers, from waste water |
CN108212112A (en) * | 2018-02-07 | 2018-06-29 | 宁波甬凌新材料科技有限公司 | A kind of system chaff modified material for handling heavy metal containing sewage and its preparation method and application |
US11396004B2 (en) | 2019-03-15 | 2022-07-26 | Access Business Group International Llc | Nano-enabled activated carbon blocks to enable removal of oxyanions from water |
CN110743491A (en) * | 2019-10-11 | 2020-02-04 | 江苏理工学院 | Preparation method and application of α -FeOOH @ diatomite composite material |
CN111111615B (en) * | 2019-12-27 | 2022-05-24 | 扬州大学 | Preparation method of coral-like charcoal/hydrated iron oxide composite arsenic removal agent |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1070019B1 (en) * | 1998-04-01 | 2005-06-22 | Alcan International Limited | Water treatment method |
DE50115837D1 (en) * | 2000-09-26 | 2011-05-12 | Lanxess Deutschland Gmbh | ADSORPTION CONTAINER AND IRON OXIDADSORBER |
US7790653B2 (en) * | 2001-10-11 | 2010-09-07 | South Dakota School Of Mines & Technology | Method and composition to reduce the amounts of arsenic in water |
FR2839507B1 (en) * | 2002-05-07 | 2004-07-23 | Omnium Traitement Valorisa | PROCESS FOR TREATING WATERS CONTAINING IRON, MANGANESE AND ARSENIC |
DE102004016601A1 (en) * | 2004-04-03 | 2005-10-13 | Bayer Chemicals Ag | Stable adsorber granules |
CN101163530A (en) * | 2005-04-25 | 2008-04-16 | 加利福尼亚大学董事会 | Compositions and methods for removing arsenic in water |
WO2006116421A1 (en) * | 2005-04-25 | 2006-11-02 | The Regents Of The University Of California | Compositions and methods for removing arsenic in water |
CN101104535A (en) * | 2006-07-13 | 2008-01-16 | 罗门哈斯公司 | Method and composition for removing contaminants from an aqueous solution |
US20110124492A1 (en) * | 2009-09-17 | 2011-05-26 | Nikolai Loukine | Multifunctional Nanocomposites |
-
2011
- 2011-12-15 IN IN4255CHN2014 patent/IN2014CN04255A/en unknown
- 2011-12-15 WO PCT/IB2011/003051 patent/WO2013088185A1/en active Application Filing
- 2011-12-15 AP AP2014007686A patent/AP2014007686A0/en unknown
- 2011-12-15 CN CN201180075553.8A patent/CN104066503A/en active Pending
-
2014
- 2014-06-10 CL CL2014001520A patent/CL2014001520A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
IN2014CN04255A (en) | 2015-07-17 |
CN104066503A (en) | 2014-09-24 |
WO2013088185A1 (en) | 2013-06-20 |
AP2014007686A0 (en) | 2014-06-30 |
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