CHANGE IN POROUS NATURE OF KAOLINITE WITH HYDROCHLORIC ACID LEACHING.

S. Raghavan, S. Y. Gajam

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Changes in the pore structure of kaolinite clay that result from calcination and hydrochloric acid leaching have been studied by a gas adsorption technique. The results show that the surface area, macropore volume and micropore volume of the leached residue increase with the extent of leaching up to a leach time of 1 h and decrease thereafter. Calcination at 500-750 degree C appears to destroy the structure of the clay, but has no significant effect on its porous nature.

Original languageEnglish (US)
Pages (from-to)79-82
Number of pages4
JournalTransactions of the Institution of Mining and Metallurgy, Section C: Mineral Processing and Extractive Metallurgy
Volume94
StatePublished - Jun 1 1985

ASJC Scopus subject areas

  • Chemistry(all)
  • Geotechnical Engineering and Engineering Geology
  • Geochemistry and Petrology

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