CA2942263A1 - Cerium (iv) oxide with exceptional biological contaminant removal properties - Google Patents
Cerium (iv) oxide with exceptional biological contaminant removal properties Download PDFInfo
- Publication number
- CA2942263A1 CA2942263A1 CA2942263A CA2942263A CA2942263A1 CA 2942263 A1 CA2942263 A1 CA 2942263A1 CA 2942263 A CA2942263 A CA 2942263A CA 2942263 A CA2942263 A CA 2942263A CA 2942263 A1 CA2942263 A1 CA 2942263A1
- Authority
- CA
- Canada
- Prior art keywords
- cerium
- iii
- true
- false
- oxide composition
- 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.)
- Abandoned
Links
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 title claims abstract description 488
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 title claims abstract description 274
- 239000000356 contaminant Substances 0.000 title claims abstract description 101
- 239000000203 mixture Substances 0.000 claims abstract description 271
- 241000894006 Bacteria Species 0.000 claims abstract description 8
- 241000195493 Cryptophyta Species 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 81
- ITZXULOAYIAYNU-UHFFFAOYSA-N cerium(4+) Chemical compound [Ce+4] ITZXULOAYIAYNU-UHFFFAOYSA-N 0.000 claims description 50
- 230000002378 acidificating effect Effects 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 28
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 25
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 13
- 241000588749 Klebsiella oxytoca Species 0.000 claims description 11
- 241000700605 Viruses Species 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 235000020188 drinking water Nutrition 0.000 abstract description 15
- 239000003651 drinking water Substances 0.000 abstract description 15
- 239000003673 groundwater Substances 0.000 abstract description 3
- 241000233866 Fungi Species 0.000 abstract 1
- 238000011534 incubation Methods 0.000 description 45
- 239000011148 porous material Substances 0.000 description 35
- 229910052785 arsenic Inorganic materials 0.000 description 30
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 29
- 229910052684 Cerium Inorganic materials 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 24
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 23
- 239000000523 sample Substances 0.000 description 18
- 238000012360 testing method Methods 0.000 description 17
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- 239000012085 test solution Substances 0.000 description 15
- 239000000243 solution Substances 0.000 description 13
- HAYXDMNJJFVXCI-UHFFFAOYSA-N arsenic(5+) Chemical compound [As+5] HAYXDMNJJFVXCI-UHFFFAOYSA-N 0.000 description 11
- QORIDDWXQPAYGJ-UHFFFAOYSA-N [AsH3].[AsH3] Chemical compound [AsH3].[AsH3] QORIDDWXQPAYGJ-UHFFFAOYSA-N 0.000 description 9
- 229920001817 Agar Polymers 0.000 description 8
- 239000008272 agar Substances 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- -1 for example Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000001974 tryptic soy broth Substances 0.000 description 8
- 108010050327 trypticase-soy broth Proteins 0.000 description 8
- 241001515965 unidentified phage Species 0.000 description 8
- LULLIKNODDLMDQ-UHFFFAOYSA-N arsenic(3+) Chemical compound [As+3] LULLIKNODDLMDQ-UHFFFAOYSA-N 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 7
- 229910021641 deionized water Inorganic materials 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 238000013019 agitation Methods 0.000 description 6
- 229940044927 ceric oxide Drugs 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 238000004949 mass spectrometry Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000004457 water analysis Methods 0.000 description 6
- 238000004448 titration Methods 0.000 description 5
- 241000588724 Escherichia coli Species 0.000 description 4
- 239000012470 diluted sample Substances 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical compound [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 3
- 229940000489 arsenate Drugs 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- BUAKPNXRPHOMCG-UHFFFAOYSA-N cerium(4+) Chemical compound [Ce+4][Ce+4] BUAKPNXRPHOMCG-UHFFFAOYSA-N 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000003612 virological effect Effects 0.000 description 3
- 239000007836 KH2PO4 Substances 0.000 description 2
- RWSJZYWWTYMNTO-UHFFFAOYSA-N [O-2].[Ce+4].[O-2].[Ce+4] Chemical compound [O-2].[Ce+4].[O-2].[Ce+4] RWSJZYWWTYMNTO-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- AQLMHYSWFMLWBS-UHFFFAOYSA-N arsenite(1-) Chemical compound O[As](O)[O-] AQLMHYSWFMLWBS-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- XMPZTFVPEKAKFH-UHFFFAOYSA-P ceric ammonium nitrate Chemical compound [NH4+].[NH4+].[Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O XMPZTFVPEKAKFH-UHFFFAOYSA-P 0.000 description 2
- IDIQIBIBZYCWDS-UHFFFAOYSA-N cerium(4+) oxygen(2-) Chemical compound [O-2].[Ce+4].[Ce+4].[O-2].[O-2].[O-2] IDIQIBIBZYCWDS-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 description 2
- 235000019800 disodium phosphate Nutrition 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 description 2
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 2
- IBBLRJGOOANPTQ-JKVLGAQCSA-N quinapril hydrochloride Chemical compound Cl.C([C@@H](C(=O)OCC)N[C@@H](C)C(=O)N1[C@@H](CC2=CC=CC=C2C1)C(O)=O)CC1=CC=CC=C1 IBBLRJGOOANPTQ-JKVLGAQCSA-N 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- XQTIWNLDFPPCIU-UHFFFAOYSA-N cerium(3+) Chemical compound [Ce+3] XQTIWNLDFPPCIU-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
Classifications
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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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
-
- 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
- B01J20/28014—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 form
- B01J20/28016—Particle form
-
- 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
- B01J20/28069—Pore volume, e.g. total pore volume, mesopore volume, micropore volume
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/02—Separating microorganisms from their culture media
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/01—Crystal-structural characteristics depicted by a TEM-image
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- 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
-
- 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
- C02F2101/30—Organic compounds
-
- 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
- C02F2103/06—Contaminated groundwater or leachate
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Genetics & Genomics (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biotechnology (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Biochemistry (AREA)
- Biomedical Technology (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Virology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Medicinal Chemistry (AREA)
- Geology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Water Treatment By Sorption (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461949810P | 2014-03-07 | 2014-03-07 | |
| US61/949,810 | 2014-03-07 | ||
| PCT/US2015/019476 WO2015134976A1 (en) | 2014-03-07 | 2015-03-09 | Cerium (iv) oxide with exceptional biological contaminant removal properties |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2942263A1 true CA2942263A1 (en) | 2015-09-11 |
Family
ID=54016688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2942263A Abandoned CA2942263A1 (en) | 2014-03-07 | 2015-03-09 | Cerium (iv) oxide with exceptional biological contaminant removal properties |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US20150251926A1 (enExample) |
| EP (1) | EP3114085B1 (enExample) |
| JP (1) | JP6445583B2 (enExample) |
| KR (1) | KR20160132074A (enExample) |
| CN (1) | CN106573796A (enExample) |
| AU (2) | AU2015226884B9 (enExample) |
| BR (1) | BR112016020615A2 (enExample) |
| CA (1) | CA2942263A1 (enExample) |
| DK (1) | DK3114085T3 (enExample) |
| ES (1) | ES2724357T3 (enExample) |
| MX (2) | MX369073B (enExample) |
| WO (1) | WO2015134976A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2941859A1 (en) | 2014-03-07 | 2015-09-11 | Molycorp Minerals, Llc | Cerium (iv) oxide with exceptional arsenic removal properties |
| DE202016100447U1 (de) * | 2016-01-29 | 2017-05-04 | Grünbeck Wasseraufbereitung GmbH | Filter zur Reinigung von Wasser |
| BR112021009208A2 (pt) * | 2018-12-18 | 2021-08-03 | Toray Industries, Inc. | nanopartícula de óxido de cério, métodos de decomposição de um ácido nucleico e de decomposição de um polipeptídeo, método para produzir uma nanopartícula de óxido de cério, agentes oxidante, antifúngico e antivírus e antioxidante |
| WO2020179896A1 (ja) * | 2019-03-06 | 2020-09-10 | Toto株式会社 | 塗装体およびコーティング組成物 |
| JP7718044B2 (ja) * | 2020-11-17 | 2025-08-05 | 東レ株式会社 | 積層フィルム |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9319945D0 (en) * | 1993-09-28 | 1993-11-17 | Solvay Interox Ltd | Oxidation of alkylaromatic compounds |
| JP2004339911A (ja) * | 2003-05-16 | 2004-12-02 | Ichiro Nagakubo | 家庭用水タンク |
| US20090107925A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing biological contaminants |
| DE102008008184A1 (de) * | 2008-02-08 | 2009-08-13 | Evonik Degussa Gmbh | Verfahren zum Polieren einer Siliciumoberfläche mittels einer ceroxidhaltigen Dispersion |
| US8883519B1 (en) * | 2009-03-17 | 2014-11-11 | University Of Central Florida Research Foundation, Inc. | Oxidase activity of polymeric coated cerium oxide nanoparticles |
| US20180251383A9 (en) * | 2010-04-13 | 2018-09-06 | Molycorp Minerals, Llc | Non-metal-containing oxyanion removal from waters using rare earths |
| EP2558415A4 (en) * | 2010-04-13 | 2014-01-01 | Molycorp Minerals Llc | METHODS AND DEVICES FOR IMPROVING THE REMOVAL OF CONTAMINANTS FROM RARE EARTHS |
| CA2807653A1 (en) * | 2010-08-06 | 2012-02-09 | Molycorp Minerals Llc | Agglomeration of high surface area rare earths |
| GB201013984D0 (en) * | 2010-08-20 | 2010-10-06 | Magnesium Elektron Ltd | Catalytic purification of gases |
| US20120103909A1 (en) * | 2010-09-23 | 2012-05-03 | Molycorp Minerals, Llc | Particulate cerium dioxide and an in situ method for making and using the same |
| US9233863B2 (en) * | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species |
| JP2014128773A (ja) * | 2012-12-28 | 2014-07-10 | Nbc Meshtec Inc | ウイルス吸着剤およびそれを用いたウイルス吸着性部材 |
| US9433591B2 (en) * | 2014-01-15 | 2016-09-06 | Cerion, Llc | Nanoparticles of a metal and a biguanide |
| CA2941859A1 (en) * | 2014-03-07 | 2015-09-11 | Molycorp Minerals, Llc | Cerium (iv) oxide with exceptional arsenic removal properties |
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2015
- 2015-03-09 ES ES15758481T patent/ES2724357T3/es active Active
- 2015-03-09 US US14/642,324 patent/US20150251926A1/en not_active Abandoned
- 2015-03-09 KR KR1020167028021A patent/KR20160132074A/ko not_active Withdrawn
- 2015-03-09 CA CA2942263A patent/CA2942263A1/en not_active Abandoned
- 2015-03-09 EP EP15758481.4A patent/EP3114085B1/en not_active Not-in-force
- 2015-03-09 MX MX2016011493A patent/MX369073B/es active IP Right Grant
- 2015-03-09 JP JP2016556759A patent/JP6445583B2/ja active Active
- 2015-03-09 CN CN201580024022.4A patent/CN106573796A/zh active Pending
- 2015-03-09 DK DK15758481.4T patent/DK3114085T3/da active
- 2015-03-09 AU AU2015226884A patent/AU2015226884B9/en not_active Ceased
- 2015-03-09 WO PCT/US2015/019476 patent/WO2015134976A1/en not_active Ceased
- 2015-03-09 BR BR112016020615A patent/BR112016020615A2/pt not_active Application Discontinuation
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2016
- 2016-09-05 MX MX2019012852A patent/MX2019012852A/es unknown
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2018
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2019
- 2019-08-02 AU AU2019210678A patent/AU2019210678A1/en not_active Abandoned
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|---|---|
| US20150251926A1 (en) | 2015-09-10 |
| AU2015226884B9 (en) | 2019-09-26 |
| JP6445583B2 (ja) | 2018-12-26 |
| MX2019012852A (es) | 2019-12-16 |
| EP3114085A4 (en) | 2017-12-06 |
| KR20160132074A (ko) | 2016-11-16 |
| JP2017514670A (ja) | 2017-06-08 |
| MX369073B (es) | 2019-10-28 |
| AU2015226884A1 (en) | 2016-10-20 |
| AU2015226884B2 (en) | 2019-09-19 |
| US20180201519A1 (en) | 2018-07-19 |
| BR112016020615A2 (pt) | 2018-05-15 |
| MX2016011493A (es) | 2017-05-03 |
| EP3114085B1 (en) | 2019-02-13 |
| WO2015134976A1 (en) | 2015-09-11 |
| EP3114085A1 (en) | 2017-01-11 |
| ES2724357T3 (es) | 2019-09-10 |
| CN106573796A (zh) | 2017-04-19 |
| DK3114085T3 (da) | 2019-05-20 |
| AU2019210678A1 (en) | 2019-08-22 |
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