The process of modification of the aluminum hydroxides nanofibers during the synthesis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper studying results of oxidation reaction of electro explosive aluminum nanopowder in liquid water are represented. The interest of this reaction is related to its main product - oxyhydroxide of aluminum (AlOOH), which is characterized by high specific surface area and is used as a sorbent for the purification of water and gases. However, the selectivity of this material as a sorbent is not high and its application is limited by microbiological clearance. The main purpose of this paper is to improve the selectivity of the nanoflbrous AlOOH, which will expand the scope of its application and use it not only as a sorbent, but also as a catalyst. The idea of this work is to change the properties of AlOOH nanofibres by introducing into the structure of special additives. Modification of nanofibres additions can be made in the synthesis process, using as a medium not water but salt solutions containing the necessary metal cation. The salt solutions of MnSO4 x 5H2O with the different concentrations of manganese ions were used for the synthesis. The synthesis temperature was 60°C and the process be constant by 12 hours. The concentrations of manganese were 610-4 mol/l and 810-4 mol/l. The new materials, which were synthesized in solutions of salts, were visual differed from the initial nanofibres. For new materials specific surface area were measured by BET-analyzer «SorbiPrep», Russia. Restructuring of new materials were monitored by transmission electron microscope - JEM- JEM-2100F, Japan. The changes of phase composition was qualitatively confirmed by X-ray diffraction on a diffractometer XRD-7000S Shimadzu, Japan. It was shown that the specific surface structure and phase composition depends on the concentration of introduced impurities. It was found when the manganese concentration in solution is equal to 8-10-3 mol/l passivation of the surface source of aluminum nanopowder and complete cessation of the oxidation reaction of it in liquid water is observed.

Original languageEnglish
Title of host publicationProceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012
DOIs
Publication statusPublished - 2012
Event2012 7th International Forum on Strategic Technology, IFOST 2012 - Tomsk, Russian Federation
Duration: 18 Sep 201221 Sep 2012

Other

Other2012 7th International Forum on Strategic Technology, IFOST 2012
CountryRussian Federation
CityTomsk
Period18.9.1221.9.12

Fingerprint

Hydrated alumina
Nanofibers
Sorbents
Manganese
Aluminum
Phase composition
Specific surface area
Salts
Water
Oxidation
Saline water
Diffractometers
Liquids
Passivation
Surface structure
Purification
Electron microscopes
Positive ions
Impurities
X ray diffraction

Keywords

  • modification
  • nanofibrous AlOOH
  • nanotechnology
  • selectivit
  • sorbent

ASJC Scopus subject areas

  • Management of Technology and Innovation

Cite this

The process of modification of the aluminum hydroxides nanofibers during the synthesis. / Gryaznova, Elena Nikolaevna; Shiyan, L. N.

Proceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012. 2012. 6357546.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gryaznova, EN & Shiyan, LN 2012, The process of modification of the aluminum hydroxides nanofibers during the synthesis. in Proceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012., 6357546, 2012 7th International Forum on Strategic Technology, IFOST 2012, Tomsk, Russian Federation, 18.9.12. https://doi.org/10.1109/IFOST.2012.6357546
Gryaznova EN, Shiyan LN. The process of modification of the aluminum hydroxides nanofibers during the synthesis. In Proceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012. 2012. 6357546 https://doi.org/10.1109/IFOST.2012.6357546
Gryaznova, Elena Nikolaevna ; Shiyan, L. N. / The process of modification of the aluminum hydroxides nanofibers during the synthesis. Proceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012. 2012.
@inproceedings{1039902510f14959989053c5f6861cc3,
title = "The process of modification of the aluminum hydroxides nanofibers during the synthesis",
abstract = "In this paper studying results of oxidation reaction of electro explosive aluminum nanopowder in liquid water are represented. The interest of this reaction is related to its main product - oxyhydroxide of aluminum (AlOOH), which is characterized by high specific surface area and is used as a sorbent for the purification of water and gases. However, the selectivity of this material as a sorbent is not high and its application is limited by microbiological clearance. The main purpose of this paper is to improve the selectivity of the nanoflbrous AlOOH, which will expand the scope of its application and use it not only as a sorbent, but also as a catalyst. The idea of this work is to change the properties of AlOOH nanofibres by introducing into the structure of special additives. Modification of nanofibres additions can be made in the synthesis process, using as a medium not water but salt solutions containing the necessary metal cation. The salt solutions of MnSO4 x 5H2O with the different concentrations of manganese ions were used for the synthesis. The synthesis temperature was 60°C and the process be constant by 12 hours. The concentrations of manganese were 610-4 mol/l and 810-4 mol/l. The new materials, which were synthesized in solutions of salts, were visual differed from the initial nanofibres. For new materials specific surface area were measured by BET-analyzer «SorbiPrep», Russia. Restructuring of new materials were monitored by transmission electron microscope - JEM- JEM-2100F, Japan. The changes of phase composition was qualitatively confirmed by X-ray diffraction on a diffractometer XRD-7000S Shimadzu, Japan. It was shown that the specific surface structure and phase composition depends on the concentration of introduced impurities. It was found when the manganese concentration in solution is equal to 8-10-3 mol/l passivation of the surface source of aluminum nanopowder and complete cessation of the oxidation reaction of it in liquid water is observed.",
keywords = "modification, nanofibrous AlOOH, nanotechnology, selectivit, sorbent",
author = "Elena Nikolaevna Gryaznova and Shiyan, {L. N.}",
year = "2012",
doi = "10.1109/IFOST.2012.6357546",
language = "English",
isbn = "9781467317702",
booktitle = "Proceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012",

}

TY - GEN

T1 - The process of modification of the aluminum hydroxides nanofibers during the synthesis

AU - Gryaznova, Elena Nikolaevna

AU - Shiyan, L. N.

PY - 2012

Y1 - 2012

N2 - In this paper studying results of oxidation reaction of electro explosive aluminum nanopowder in liquid water are represented. The interest of this reaction is related to its main product - oxyhydroxide of aluminum (AlOOH), which is characterized by high specific surface area and is used as a sorbent for the purification of water and gases. However, the selectivity of this material as a sorbent is not high and its application is limited by microbiological clearance. The main purpose of this paper is to improve the selectivity of the nanoflbrous AlOOH, which will expand the scope of its application and use it not only as a sorbent, but also as a catalyst. The idea of this work is to change the properties of AlOOH nanofibres by introducing into the structure of special additives. Modification of nanofibres additions can be made in the synthesis process, using as a medium not water but salt solutions containing the necessary metal cation. The salt solutions of MnSO4 x 5H2O with the different concentrations of manganese ions were used for the synthesis. The synthesis temperature was 60°C and the process be constant by 12 hours. The concentrations of manganese were 610-4 mol/l and 810-4 mol/l. The new materials, which were synthesized in solutions of salts, were visual differed from the initial nanofibres. For new materials specific surface area were measured by BET-analyzer «SorbiPrep», Russia. Restructuring of new materials were monitored by transmission electron microscope - JEM- JEM-2100F, Japan. The changes of phase composition was qualitatively confirmed by X-ray diffraction on a diffractometer XRD-7000S Shimadzu, Japan. It was shown that the specific surface structure and phase composition depends on the concentration of introduced impurities. It was found when the manganese concentration in solution is equal to 8-10-3 mol/l passivation of the surface source of aluminum nanopowder and complete cessation of the oxidation reaction of it in liquid water is observed.

AB - In this paper studying results of oxidation reaction of electro explosive aluminum nanopowder in liquid water are represented. The interest of this reaction is related to its main product - oxyhydroxide of aluminum (AlOOH), which is characterized by high specific surface area and is used as a sorbent for the purification of water and gases. However, the selectivity of this material as a sorbent is not high and its application is limited by microbiological clearance. The main purpose of this paper is to improve the selectivity of the nanoflbrous AlOOH, which will expand the scope of its application and use it not only as a sorbent, but also as a catalyst. The idea of this work is to change the properties of AlOOH nanofibres by introducing into the structure of special additives. Modification of nanofibres additions can be made in the synthesis process, using as a medium not water but salt solutions containing the necessary metal cation. The salt solutions of MnSO4 x 5H2O with the different concentrations of manganese ions were used for the synthesis. The synthesis temperature was 60°C and the process be constant by 12 hours. The concentrations of manganese were 610-4 mol/l and 810-4 mol/l. The new materials, which were synthesized in solutions of salts, were visual differed from the initial nanofibres. For new materials specific surface area were measured by BET-analyzer «SorbiPrep», Russia. Restructuring of new materials were monitored by transmission electron microscope - JEM- JEM-2100F, Japan. The changes of phase composition was qualitatively confirmed by X-ray diffraction on a diffractometer XRD-7000S Shimadzu, Japan. It was shown that the specific surface structure and phase composition depends on the concentration of introduced impurities. It was found when the manganese concentration in solution is equal to 8-10-3 mol/l passivation of the surface source of aluminum nanopowder and complete cessation of the oxidation reaction of it in liquid water is observed.

KW - modification

KW - nanofibrous AlOOH

KW - nanotechnology

KW - selectivit

KW - sorbent

UR - http://www.scopus.com/inward/record.url?scp=84871824406&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84871824406&partnerID=8YFLogxK

U2 - 10.1109/IFOST.2012.6357546

DO - 10.1109/IFOST.2012.6357546

M3 - Conference contribution

SN - 9781467317702

BT - Proceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012

ER -