JP2013527118A - 有機鋳型化ナノ金属オキシ水酸化物 - Google Patents
有機鋳型化ナノ金属オキシ水酸化物 Download PDFInfo
- Publication number
- JP2013527118A JP2013527118A JP2013513004A JP2013513004A JP2013527118A JP 2013527118 A JP2013527118 A JP 2013527118A JP 2013513004 A JP2013513004 A JP 2013513004A JP 2013513004 A JP2013513004 A JP 2013513004A JP 2013527118 A JP2013527118 A JP 2013527118A
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- JP
- Japan
- Prior art keywords
- granular composition
- biopolymer
- hydroxide
- oxyhydroxide
- nanometal
- 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.)
- Granted
Links
- 229910021518 metal oxyhydroxide Inorganic materials 0.000 title claims description 11
- 239000000203 mixture Substances 0.000 claims abstract description 94
- 238000000034 method Methods 0.000 claims abstract description 86
- 229920001222 biopolymer Polymers 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 44
- 239000002245 particle Substances 0.000 claims abstract description 41
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 62
- 229920001661 Chitosan Polymers 0.000 claims description 38
- 238000001179 sorption measurement Methods 0.000 claims description 35
- 229910052785 arsenic Inorganic materials 0.000 claims description 34
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 33
- 239000002243 precursor Substances 0.000 claims description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 239000002131 composite material Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 25
- 239000002244 precipitate Substances 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- 239000002585 base Substances 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 13
- 239000003463 adsorbent Substances 0.000 claims description 12
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 12
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims description 11
- 229920002678 cellulose Polymers 0.000 claims description 11
- 239000001913 cellulose Substances 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 8
- 239000012736 aqueous medium Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 235000018290 Musa x paradisiaca Nutrition 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 239000000356 contaminant Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 244000052769 pathogen Species 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 3
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000002274 desiccant Substances 0.000 claims description 3
- 238000004108 freeze drying Methods 0.000 claims description 3
- 238000007602 hot air drying Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000001694 spray drying Methods 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 241000234295 Musa Species 0.000 claims 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000003344 environmental pollutant Substances 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 230000001717 pathogenic effect Effects 0.000 claims 1
- 231100000719 pollutant Toxicity 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 40
- 239000000463 material Substances 0.000 description 22
- 229910002706 AlOOH Inorganic materials 0.000 description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- 239000011324 bead Substances 0.000 description 12
- 238000002441 X-ray diffraction Methods 0.000 description 10
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 229910001593 boehmite Inorganic materials 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000007858 starting material Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 5
- 239000002609 medium Substances 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 2
- 229920001410 Microfiber Polymers 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- -1 aluminum oxyoxide Chemical compound 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 239000003658 microfiber Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000011238 particulate composite Substances 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910002707 Al–O–H Inorganic materials 0.000 description 1
- 235000002566 Capsicum Nutrition 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000008790 Musa x paradisiaca Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000006002 Pepper Substances 0.000 description 1
- 235000016761 Piper aduncum Nutrition 0.000 description 1
- 235000017804 Piper guineense Nutrition 0.000 description 1
- 244000203593 Piper nigrum Species 0.000 description 1
- 235000008184 Piper nigrum Nutrition 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 229910004349 Ti-Al Inorganic materials 0.000 description 1
- 229910004692 Ti—Al Inorganic materials 0.000 description 1
- 238000000026 X-ray photoelectron spectrum Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000011956 best available technology Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001941 electron spectroscopy Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000033444 hydroxylation Effects 0.000 description 1
- 238000005805 hydroxylation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
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- 229920002994 synthetic fiber Polymers 0.000 description 1
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- 238000005406 washing Methods 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
- 229910006636 γ-AlOOH Inorganic materials 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
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- 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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- 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
- B01J20/08—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 comprising aluminium oxide or hydroxide; comprising bauxite
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- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- 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
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- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
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- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
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- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/46—Materials comprising a mixture of inorganic and organic materials
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
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- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
本明細書および付属の特許請求の範囲で使用されている場合、単数形の「a」、「an」および「the」は、文脈が他の旨であることを明白に指示している場合を除き、参照される対象の複数形も包含する。したがって、例えば、「溶媒(単数形)」は、複数の種類の溶媒の混合物も含む可能性がある。
擬1次等式:
擬2次等式:
式中、qtは、時間tにおいて水溶液から除去されたフッ化物の量(mg/g)であり、qeは、均衡時において、水溶液から除去されたフッ化物の量(mg/g)であり、K1は、吸着の擬1次速度定数(1/分)であり、K2は吸着の擬2次速度定数(g/mg.分)であり、tは時間(分)である。
この例は、単純なソフトウェア化学経路を通じたナノスケール−AlOOHの低温合成を記述する。合成手順は、激しく攪拌しながら、アルミニウム前駆物質溶液を(1〜5%の氷酢酸もしくはHClまたはこれらの組合せに溶解した)キトサンと混合することを含む。一般的な手順では、硝酸アルミニウムなどの、アルミニウム前駆体の溶液を、キトサン溶液に60分間、激しく攪拌しながら、ゆっくりと添加し、一晩、攪拌せずに保管した。アンモニア水またはNaOH溶液を、金属−キトサン溶液に激しく攪拌しながら、ゆっくりと添加し、金属−キトサン合成物の沈殿を促進した(pH7〜8.0)。これらのステップはすべて30℃より低い温度で実施した。攪拌は2時間続けた。沈殿を濾過し、洗浄して、不要な不純物を除去し、ビーズの形に変換し、様々な条件で乾燥した。
この例は、単純なソフトウェア化学経路を通じたOTBNの調製のための他のバイオポリマーの使用を記述する。合成手順は、アルミニウム前駆体溶液をセルロースと激しく攪拌しながら、混合することを含む。一般的な手順では、硝酸アルミニウムなどのアルミニウム前駆体の溶液を、ポリマー溶液に60分間、激しく攪拌しながら、ゆっくりと添加し、一晩、攪拌せずに保管した。アンモニア水またはNaOH溶液を、金属−セルロース溶液に激しく攪拌しながら、ゆっくりと添加し、金属−セルロース合成物の沈殿を促進した(pH7〜8.0)。これらのステップはすべて30℃より低い温度で実施した。攪拌は2時間続けた。沈殿を濾過し、洗浄して、不要な不純物を除去し、ビーズの形に変換し、様々な条件で乾燥した。
この例は、単純なソフトウェア化学経路を通じたOTBNの調製のためのバイオポリマーの混合物の使用を記述する。調査のために使用したバイオポリマーは、キトサンおよびセルロースである。セルロース粉末をキトサン溶液(キトサンを1%酢酸に溶解した)に添加した。キトサン対セルロースの重量比は1:1である。さらに、硝酸アルミニウム溶液を、バイオポリマー溶液に60分間、激しく攪拌しながら、ゆっくりと添加し、一晩、攪拌せずに保管した。アンモニア水またはNaOH溶液を、金属−セルロース溶液に激しく攪拌しながら、ゆっくりと添加し、金属−セルロース−キトサン合成物の沈殿を促進した(pH7〜8.0)。これらのステップはすべて30℃より低い温度で実施した。攪拌は2時間続けた。沈殿を濾過し、洗浄して、不要な不純物を除去し、ビーズの形に変換し、様々な条件で乾燥した。
この例は、単純なソフト化学経路を通じた金属イオンでドーピングしたナノスケール−AlOOHの低温合成を記述する。硝酸アルミニウムと硝酸(第二)鉄との混合物をモル比3:1(Al:Fe)で調製する。次に、混合物をキトサン溶液(1〜5%の硝酸で調製)に、60分間、激しく攪拌しながら、ゆっくりと添加し、一晩、攪拌せずに保管した。アンモニア水またはNaOH溶液を、金属−キトサン溶液に激しく攪拌しながら、ゆっくりと添加し、金属−キトサン合成物の沈殿を促進した(pH7〜8.0)。これらのステップはすべて30℃より低い温度で実施した。攪拌は2時間続けた。沈殿を濾過し、洗浄して、不要な不純物を除去し、ビーズの形に変換し、様々な条件で乾燥した。
この例は、Al:キトサンの比率を変化させることによる、ナノスケール−AlOOHの大きさの変動を記述する。OTBN中のキトサンの量を40%まで増加させた。存在するキトサンの量が増加することは、ナノスケール−AlOOHの大きさをさらに減少させる助けになる。硝酸アルミニウムなどのアルミニウム前駆体の溶液を、キトサン溶液に、60分間、激しく攪拌しながら、ゆっくりと添加し、攪拌せずに一夜保管した。アンモニア水またはNaOH溶液を、金属−キトサン溶液に激しく攪拌しながら、ゆっくりと添加し、キトサン合成物の沈殿を促進した(pH7〜8.0)。これらのステップはすべて30℃より低い温度で実施した。攪拌は2時間続けた。沈殿を濾過し、洗浄して、不要な不純物を除去し、ビーズの形に変換し、様々な条件で乾燥した。
Claims (52)
- バイオポリマーおよび1つまたは複数のナノ金属−オキシ水酸化物/水酸化物/酸化物粒子を含む水媒体中で、粒状組成物を調製するための方法であって、以下:
a.金属前駆体をバイオポリマーと接触させて、金属−バイオポリマーの複合体を得るステップ、および
b.次に金属−バイオポリマー複合体を塩基と接触させて、1つまたは複数のナノ金属−オキシ水酸化物/水酸化物/酸化物粒子を得るステップ
を含む方法。 - 約60℃より低い温度でステップaおよびbを実行することを特徴とする、請求項1に記載の方法。
- bの後に、
c.金属−バイオポリマー複合体を混合して、半固体沈殿物を産生するステップ;
d.半固体沈殿物を濾過するステップ;
e.半固体沈殿物を乾燥させ、乾燥した粒子−バイオポリマーの合成物を産生するステップ;および
f.乾燥させた粒子−バイオポリマーの合成物を粉砕して、粒状組成物を形成するステップ
をさらに含む、請求項1に記載の方法。 - バイオポリマーがキトサン、バナナシルク、セルロース、またはこれらの組合せを含むことを特徴とする、請求項1に記載の方法
- バイオポリマーがキトサン、バナナシルク、セルロースまたはこれらの組合せの官能化形態を含むことを特徴とする、請求項1に記載の方法。
- ナノ金属水酸化物粒子の少なくとも一部が結晶構造を有することを特徴とする、請求項1に記載の方法。
- ナノ金属オキシ水酸化物粒子の一部がそれらの結晶構造に高い示準面を含むことを特徴とする、請求項1に記載の方法。
- 金属前駆体がアルミニウム、亜鉛、マンガン、鉄、チタン、ジルコニウム、ランタン、セリウムまたはこれらの組合せの塩を含むことを特徴とする、請求項1に記載の方法。
- 金属前駆体が硝酸アルミニウム、塩化アルミニウム、硫酸アルミニウム、アルミニウムイソプロポキシドまたはこれらの組合せを含むことを特徴とする、請求項1に記載の方法。
- 塩基が水酸化ナトリウム、アンモニア、水酸化カリウムまたはこれらの組合せを含むことを特徴とする、請求項1に記載の方法。
- ステップa〜bが約20℃から約80℃の温度にて実施されることを特徴とする、請求項1に記載の方法。
- ステップa〜bが約20℃から約60℃の温度にて実施されることを特徴とする、請求項1に記載の方法。
- 金属オキシ水酸化物/水酸化物/酸化物粒子−バイオポリマーの粒状組成物の大きさが、約0.1mmから約3mmの範囲にあることを特徴とする、請求項1に記載の方法。
- ナノ金属−オキシ水酸化物/水酸化物/酸化物粒子の大きさが約1nmから約100nmの範囲にあることを特徴とする、請求項1に記載の方法。
- ナノ金属−オキシ水酸化物/水酸化物/酸化物粒子の大きさが約3nmから約100nmの範囲にあることを特徴とする、請求項1に記載の方法。
- ナノ金属−オキシ水酸化物/水酸化物/酸化物粒子の少なくとも一部がバイオポリマーの表面上に並んでいることを特徴とする、請求項1に記載の方法。
- 乾燥のステップが凍結乾燥、表面乾燥、熱風乾燥、噴霧乾燥、真空乾燥またはこれらの組合せを含むことを特徴とする、請求項3に記載の方法。
- 粒状組成物が水中からの汚染物質の除去に適していることを特徴とする、請求項3に記載の方法。
- 汚染物質がフッ化物、砒素、病原体またはこれらの組合せを含むことを特徴とする、請求項18に記載の方法。
- 粒状組成物が吸着剤として活用されることを特徴とする、請求項3に記載の方法。
- 粒状組成物が乾燥剤として活用されることを特徴とする、請求項3に記載の方法。
- 粒状組成物が触媒として活用されることを特徴とする、請求項3に記載の方法。
- 粒状組成物が絶縁被膜として活用されることを特徴とする、請求項3に記載の方法。
- 初期フッ化物濃度が1から10mg/Lにて、粒状組成物が50mg/gを超えるフッ化物吸着能を有することを特徴とする、請求項3に記載の方法。
- 初期フッ化物濃度が5から10mg/Lにて、粒状組成物が50mg/gを超えるフッ化物吸着能を有することを特徴とする、請求項3に記載の方法。
- 初期砒素濃度が0.1から1mg/Lにて、粒状組成物が19mg/gを超える砒素吸着能を有することを特徴とする、請求項3に記載の方法。
- 初期砒素濃度が0.5から1mg/Lにて、粒状組成物が19mg/gを超える砒素吸着能を有することを特徴とする、請求項1に記載の方法。
- 以下のステップ:
a.金属前駆体溶液をバイオポリマーと接触させ、金属−バイオポリマー複合体溶液を得るステップ;
b.金属−バイオポリマー複合溶液に塩基溶液を激しく攪拌しながら、添加することにより金属前駆体を加水分解し、1つまたは複数の ナノ金属−オキシ水酸化物/水酸化物/酸化物粒子を得るステップ;
c.1つまたは複数の金属オキシ水酸化物/水酸化物/酸化物粒子−バイオポリマー合成物の半固体沈殿物を、金属−バイオポリマー複合溶液を激しく攪拌することにより得るステップ;
d.半固体沈殿物を濾過し、不純物を除去し、半固体粒子を濃縮するステップ;
e.金属オキシ水酸化物/水酸化物/酸化物粒子−バイオポリマー合成物の半固体沈殿を乾燥し、固体の金属オキシ水酸化物/水酸化物/酸化物粒子−バイオポリマー合成物を得るステップ、および
f.固体の金属オキシ水酸化物/水酸化物/酸化物粒子−バイオポリマー合成物を粉砕して、金属オキシ水酸化物/水酸化物/酸化物粒子−バイオポリマーを得るステップ
を含み、ステップaからfが摂氏60度より低い温度で実施されることを特徴とする、水媒体中で実施される工程により調製されるバイオポリマーおよび1つまたは複数のナノ金属−オキシ水酸化物/水酸化物/酸化物粒子を含む粒状組成物。 - バイオポリマーがキトサン、バナナシルク、セルロースまたはこれらの組合せを含むことを特徴とする、請求項28に記載の粒状組成物。
- バイオポリマーがキトサン、バナナシルク、セルロースまたはこれらの組合せの官能化形態を含むことを特徴とする、請求項28に記載の粒状組成物。
- ナノ金属−オキシ水酸化物/水酸化物/酸化物粒子の少なくとも一部が結晶構造を有することを特徴とする、請求項28に記載の粒状組成物。
- ナノ金属オキシ水酸化物粒子の少なくとも一部が結晶構造中に高い示準面を含むことを特徴とする、請求項28に記載の粒状組成物。
- 金属前駆体が塩アルミニウム、亜鉛、マンガン、鉄、チタン、ジルコニウム、ランタン、セリウム、またはこれらの組合せを含むことを特徴とする、請求項28に記載の粒状組成物。
- 金属前駆体が、硝酸アルミニウム、塩化アルミニウム、硫酸アルミニウム、アルミニウムイソプロポキシド、またはこれらの組合せを含むことを特徴とする、請求項28に記載の粒状組成物。
- 塩基が水酸化ナトリウム、アンモニア、水酸化カリウムまたはこれらの組合せを含むことを特徴とする、請求項28に記載の粒状組成物。
- aからfのステップが約20℃から約80℃の温度で実施されることを特徴とする、請求項28に記載の粒状組成物。
- aからfのステップが約20℃から約60℃の温度で実施されることを特徴とする、請求項28に記載の粒状組成物。
- ナノ金属−オキシ水酸化物/水酸化物/酸化物−バイオポリマーの粒状組成物の大きさが約0.1mmから約3mmの範囲にあることを特徴とする、請求項28に記載の粒状組成物。
- ナノ金属−オキシ水酸化物/水酸化物/酸化物粒子の大きさが約1nmから約100nmの範囲にあることを特徴とする、請求項28に記載の粒状組成物。
- ナノ金属−オキシ水酸化物/水酸化物/酸化物粒子の大きさが約3nmから約10nmの範囲にあることを特徴とする、請求項28に記載の粒状組成物。
- ナノ金属−オキシ水酸化物/水酸化物/酸化物粒子の少なくとも一部がバイオポリマーの表面に並んでいることを特徴とする、請求項28に記載の粒状組成物。
- 乾燥が凍結乾燥、表面乾燥、熱風乾燥、噴霧乾燥、真空乾燥またはこれらの組合せを含むことを特徴とする、請求項28に記載の粒状組成物。
- 粒状組成物が吸着剤として使用されることを特徴とする、請求項28に記載の粒状組成物。
- 初期フッ化物濃度が1から10mg/Lにて、粒状組成物が50mg/gを超えるフッ化物吸着能を有することを特徴とする、請求項43に記載の粒状組成物。
- 初期フッ化物濃度が5から10mg/Lにて、粒状組成物が50mg/gを超えるフッ化物吸着能を有することを特徴とする、請求項43に記載の粒状組成物
- 初期砒素濃度が0.1から1.0mg/Lにて、粒状組成物が19mg/gを超える砒素吸着能を有することを特徴とする、請求項43に記載の粒状組成物。
- 初期砒素濃度が0.5から1.0mg/Lにて、粒状組成物が19mg/gを超える砒素吸着能を有することを特徴とする、請求項43に記載の粒状組成物。
- 粒状組成物が水中の汚染物質の除去に使用されることを特徴とする、請求項28に記載の粒状組成物。
- 汚染物質がフッ化物、砒素、病原体またはこれらの組合せを含むことを特徴とする、請求項48に記載の粒状組成物。
- 粒状組成物が乾燥剤として使用されることを特徴とする、請求項28に記載の粒状組成物。
- 粒状組成物が触媒として使用されることを特徴とする、請求項28に記載の粒状組成物。
- 粒状組成物が絶縁被膜として使用されることを特徴とする、請求項28に記載の粒状組成物。
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IN1529CH2010 IN2010CH01529A (ja) | 2010-06-02 | 2011-06-02 | |
PCT/IB2011/001551 WO2011151725A2 (en) | 2010-06-02 | 2011-06-02 | Organic templated nanometal oxyhydroxide |
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US (1) | US20130168320A1 (ja) |
JP (1) | JP5908462B2 (ja) |
CN (1) | CN103179861A (ja) |
IL (1) | IL223388B (ja) |
IN (1) | IN2010CH01529A (ja) |
SG (2) | SG186126A1 (ja) |
WO (1) | WO2011151725A2 (ja) |
Cited By (2)
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US10035131B2 (en) | 2011-11-24 | 2018-07-31 | Indian Institute Of Technology | Multilayer organic-templated-boehmite-nanoarchitecture for water purification |
US10041925B2 (en) | 2012-04-17 | 2018-08-07 | Indian Institute Of Technology | Detection of quantity of water flow using quantum clusters |
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US20140216993A1 (en) * | 2011-05-02 | 2014-08-07 | Indian Institute Of Technology | Single container gravity-fed storage water purifier |
US9731227B2 (en) * | 2013-10-10 | 2017-08-15 | Nano And Advanced Materials Institute Limited | Household water filter element for removing radioactive substances |
WO2015187971A1 (en) * | 2014-06-06 | 2015-12-10 | University Of Houston System | Porous nanocomposite polymers for water treatment |
CN104069831B (zh) * | 2014-07-24 | 2016-04-20 | 中国地质大学(北京) | 一种高效除硝酸盐颗粒吸附剂及其制备方法 |
WO2018122878A1 (en) * | 2016-12-29 | 2018-07-05 | INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT Madras) | Method for preparing cellulose microstructures-templated nanocomposites with enhanced arsenic removal capacity and a purifier thereof |
CN106693978A (zh) * | 2016-12-30 | 2017-05-24 | 王艳 | 金属羟基氧化物催化剂、电极及制法与电化学电解装置 |
WO2018122871A1 (en) * | 2016-12-30 | 2018-07-05 | INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT Madras) | Chitosan reinforced mixed oxyhydroxide nanocomposite for fluoride and arsenic removal from water and a device thereof |
CN108435145B (zh) * | 2018-05-30 | 2020-12-11 | 广东创源节能环保有限公司 | 壳聚糖纳米纤维配体交换剂的合成方法及应用 |
CN111013549B (zh) * | 2019-12-26 | 2022-05-03 | 西南石油大学 | 一种改性壳聚糖氟离子吸附剂的制备方法及其应用 |
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US10041925B2 (en) | 2012-04-17 | 2018-08-07 | Indian Institute Of Technology | Detection of quantity of water flow using quantum clusters |
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IN2010CH01529A (ja) | 2015-08-07 |
SG186126A1 (en) | 2013-01-30 |
JP5908462B2 (ja) | 2016-04-26 |
WO2011151725A3 (en) | 2012-02-02 |
WO2011151725A2 (en) | 2011-12-08 |
SG10201504247YA (en) | 2015-07-30 |
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US20130168320A1 (en) | 2013-07-04 |
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