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WO2021101394A3 - Modified nanostructured silica materials for heavy metal removal from contaminated water and the methods of production thereof - Google Patents

Modified nanostructured silica materials for heavy metal removal from contaminated water and the methods of production thereof Download PDF

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Publication number
WO2021101394A3
WO2021101394A3 PCT/PH2020/050015 PH2020050015W WO2021101394A3 WO 2021101394 A3 WO2021101394 A3 WO 2021101394A3 PH 2020050015 W PH2020050015 W PH 2020050015W WO 2021101394 A3 WO2021101394 A3 WO 2021101394A3
Authority
WO
WIPO (PCT)
Prior art keywords
methods
heavy metal
contaminated water
production
metal removal
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/PH2020/050015
Other languages
French (fr)
Other versions
WO2021101394A4 (en
WO2021101394A2 (en
Inventor
Milagros PERALTA
Maritess MAGALONA
Ericson ESCOBEDO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of the Philippines Los Baños
Original Assignee
University of the Philippines Los Baños
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 University of the Philippines Los Baños filed Critical University of the Philippines Los Baños
Publication of WO2021101394A2 publication Critical patent/WO2021101394A2/en
Publication of WO2021101394A3 publication Critical patent/WO2021101394A3/en
Publication of WO2021101394A4 publication Critical patent/WO2021101394A4/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
    • B01J20/0229—Compounds of Fe
    • 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
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • 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
    • 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
    • B01J20/28054—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 surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B01J20/28061—Surface area, e.g. B.E.T specific surface area being in the range 100-500 m2/g
    • 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
    • B01J20/28054—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 surface properties or porosity
    • B01J20/28078—Pore diameter
    • B01J20/28083—Pore diameter being in the range 2-50 nm, i.e. mesopores
    • 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
    • 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
    • B01J2220/42—Materials comprising a mixture of inorganic materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

This invention discloses the methods of preparing Iron-modified nanostructured silica beads and iron-modified nanosilica powder. The resulting composition is used as heavy metal adsorbents in the removal of arsenic from contaminated water. These materials allow the remediation of arsenic contaminated groundwater using low-cost, locally available, and sustainable nanomaterials.
PCT/PH2020/050015 2019-11-20 2020-11-20 Modified nanostructured silica materials for heavy metal removal from contaminated water and the methods of production thereof Ceased WO2021101394A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PH12019050291 2019-11-20
PH12019050291A PH12019050291A1 (en) 2019-11-20 2019-11-20 Modified Nanostructured Silica Materials for Heavy Metal Removal from Contaminated Water and the Methods of Production Thereof

Publications (3)

Publication Number Publication Date
WO2021101394A2 WO2021101394A2 (en) 2021-05-27
WO2021101394A3 true WO2021101394A3 (en) 2021-07-01
WO2021101394A4 WO2021101394A4 (en) 2021-09-23

Family

ID=75980101

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PH2020/050015 Ceased WO2021101394A2 (en) 2019-11-20 2020-11-20 Modified nanostructured silica materials for heavy metal removal from contaminated water and the methods of production thereof

Country Status (2)

Country Link
PH (1) PH12019050291A1 (en)
WO (1) WO2021101394A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114632426A (en) * 2022-02-24 2022-06-17 清华大学 Copper monatomic supported film and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030016730A (en) * 2001-08-21 2003-03-03 이종협 Production Method of Mesoporous Silica comprising Magnetite used for Heavy Metal Ion Adsorbents
US20100074974A1 (en) * 2006-11-08 2010-03-25 Holland Brian T Metal-rich siliceous compositions and methods of producing same
CN103464094A (en) * 2013-09-12 2013-12-25 同济大学 Preparation method of nano-iron modified zeolite
CN104941574A (en) * 2015-06-02 2015-09-30 南京大学 Inorganic ion modified zeolite composite material and application thereof
WO2019194688A1 (en) * 2018-04-06 2019-10-10 University Of The Philippines Los Baños Methods of preparing modified biopolymer-silica nanocomposite materials for arsenic removal from contaminated water and compositions therefrom

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030016730A (en) * 2001-08-21 2003-03-03 이종협 Production Method of Mesoporous Silica comprising Magnetite used for Heavy Metal Ion Adsorbents
US20100074974A1 (en) * 2006-11-08 2010-03-25 Holland Brian T Metal-rich siliceous compositions and methods of producing same
CN103464094A (en) * 2013-09-12 2013-12-25 同济大学 Preparation method of nano-iron modified zeolite
CN104941574A (en) * 2015-06-02 2015-09-30 南京大学 Inorganic ion modified zeolite composite material and application thereof
WO2019194688A1 (en) * 2018-04-06 2019-10-10 University Of The Philippines Los Baños Methods of preparing modified biopolymer-silica nanocomposite materials for arsenic removal from contaminated water and compositions therefrom

Also Published As

Publication number Publication date
PH12019050291A1 (en) 2021-08-23
WO2021101394A4 (en) 2021-09-23
WO2021101394A2 (en) 2021-05-27

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