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1. WO2020109845 - FUNCTIONALIZED SILICA NANOPARTICLES AND MICROPARTICLES WITH AT LEAST ONE GUANIDINE GROUP; METHOD OF PREPARATION; METHOD TO REMOVE ANIONS FROM EFFLUENTS; AND USE OF SAID PARTICLES

Publication Number WO/2020/109845
Publication Date 04.06.2020
International Application No. PCT/IB2018/059427
International Filing Date 28.11.2018
IPC
C02F 1/28 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
28by sorption
B01J 20/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
02comprising inorganic material
10comprising silica or silicate
B01J 20/28 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
28characterised by their form or physical properties
B01J 20/32 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
30Processes for preparing, regenerating or reactivating
32Impregnating or coating
C02F 101/10 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
101Nature of the contaminant
10Inorganic compounds
C02F 101/12 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
101Nature of the contaminant
10Inorganic compounds
12Halogens or halogen-containing compounds
CPC
B01J 20/103
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
02comprising inorganic material
10comprising silica or silicate
103comprising silica
B01J 20/28007
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
28characterised by their form or physical properties
28002characterised by their physical properties
28004Sorbent size or size distribution, e.g. particle size
28007with size in the range 1-100 nanometers, e.g. nanosized particles, nanofibers, nanotubes, nanowires or the like
B01J 20/3204
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
30Processes for preparing, regenerating, or reactivating
32Impregnating or coating ; ; Solid sorbent compositions obtained from processes involving impregnating or coating
3202characterised by the carrier, support or substrate used for impregnation or coating
3204Inorganic carriers, supports or substrates
B01J 20/3219
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
30Processes for preparing, regenerating, or reactivating
32Impregnating or coating ; ; Solid sorbent compositions obtained from processes involving impregnating or coating
3214characterised by the method for obtaining this coating or impregnating
3217Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
3219involving a particular spacer or linking group, e.g. for attaching an active group
B01J 20/3248
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
30Processes for preparing, regenerating, or reactivating
32Impregnating or coating ; ; Solid sorbent compositions obtained from processes involving impregnating or coating
3231characterised by the coating or impregnating layer
3242Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
3244Non-macromolecular compounds
3246having a well defined chemical structure
3248the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
C02F 1/285
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
28by sorption
285using synthetic organic sorbents
Applicants
  • UNIVERSIDAD ANDRES BELLO [CL]/[CL]
  • EL INSTITUTO TECNOLÓGICO Y DE ESTUDIOS SUPERIORES DE MONTERREY [MX]/[MX]
  • FUNDACIÓN LEITAT CHILE [CL]/[CL]
Inventors
  • ARISMENDI MACUER, Marlene Natalia
  • GONZÁLEZ NILO, Fernando Danilo
  • VALENCIA GALLEGOS, Jesús Angel
  • GARCIA FERNANDEZ, Maria de los Angeles
  • FACCINI, Mirko
Agents
  • ESTUDIO CAREY LTDA.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) FUNCTIONALIZED SILICA NANOPARTICLES AND MICROPARTICLES WITH AT LEAST ONE GUANIDINE GROUP; METHOD OF PREPARATION; METHOD TO REMOVE ANIONS FROM EFFLUENTS; AND USE OF SAID PARTICLES
(FR) NANOPARTICULES DE SILICE FONCTIONNALISÉES ET MICROPARTICULES COMPRENANT AU MOINS UN GROUPE GUANIDINE; PROCÉDÉ DE PRÉPARATION; PROCÉDÉ D'ÉLIMINATION D'ANIONS D'EFFLUENTS; ET UTILISATION DESDITES PARTICULES
Abstract
(EN)
The present invention refers to SiO2 nanoparticles and microparticles that have been functionalized on their surface with guanidine and bisguanidine groups. Additionally, the preparation method of said modified particles is disclosed. In addition, the present invention refers to a method and device for the removal of anions from drinking water and industrial waters comprising contacting the water with the functionalized nanoparticles and microparticles.
(FR)
La présente invention concerne des nanoparticules de SiO2 et des microparticules qui ont été fonctionnalisées sur leur surface avec des groupes guanidine et biguanidine. De plus, l'invention concerne le procédé de préparation desdites particules modifiées. La présente invention concerne également un procédé et un dispositif pour l'élimination d'anions d'eau potable et d'eaux industrielles comprenant la mise en contact de l'eau avec les nanoparticules et microparticules fonctionnalisées.
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