Development and comparative analysis of aluminosilicate based ceramic filters for ground water defluoridation

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Abstract

Low levels of fluoride in drinking water is healthy for the teeth enamel, however, higher concentrations result in dental fluorosis with prolonged exposures leading to skeletal fluorosis. Fluoride removal capacities of ceramic filters using aluminosilicates (Anfoega clay, Kibi kaolin, Laterite soil and Termitaria earth) samples from Ghana Geological Survey Department have been investigated and analysed for possible application in the Bongo District of Ghana noted forhavinghigh fluoride concentration in its ground water. Batch sorption studies conducted revealed that the amount of fluoride ions removed increased proportionally with increasing filter thickness, temperature and contact time to an optimum value. Using particle size ranges of <355μm and 1cm filter thickness at room temperature, the percentage of fluoride removed by the samples reached an optimum value after 70mins. Increases in filter thickness, contact time or temperatureincreased the amount of fluoride ions removedand the time required to reach the optimum value reduced significantly.

Original languageEnglish
Title of host publicationMaterials Science and Engineering Technology
PublisherTrans Tech Publications Ltd
Pages822-828
Number of pages7
ISBN (Print)9783038351023
DOIs
Publication statusPublished - 2014
Event2014 International Conference on Materials Science and Engineering Technology, MSET 2014 - Shanghai
Duration: 28 Jun 201429 Jun 2014

Publication series

NameAdvanced Materials Research
Volume936
ISSN (Print)1022-6680
ISSN (Electronic)1662-8985

Conference

Conference2014 International Conference on Materials Science and Engineering Technology, MSET 2014
Country/TerritoryChina
CityShanghai
Period28/06/1429/06/14

Keywords

  • Aluminosilicates
  • Flouride
  • Ghana
  • Kaolin
  • Porous ceramics
  • Water contamination

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