MATHEMATICAL MODEL OF SILICA DEPOSITION IN A POROUS MEDIUM.

Ryuichi Itoi, Hiroaki Maekawa, Kiyotake Tatsuta, Michihiro Fukuda, Kenji Jinno, Koichiro Hatanaka, Shozo Nozaki, Takushi Yokoyama, Shin Shimizu

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

3 Citations (Scopus)

Abstract

A mathematical model of silica deposition in a porous medium is presented. It consists of equations of fluid flow, silica concentration and silica deposition. In the model, the effects of aluminum on the silica deposition is taken into account since the element is likely to play an important role on the silica scale formation. Then, we apply the model for the experimental results which were carried out using the Otake hot water (R. Itoi et al. , 1984). As an inflow concentration of silica, a value of 1. 6 multiplied by 10** minus **6 g/cm**3 is given for the calculation in spite of the dissolved silica concentration about 520 multiplied by 10** minus **6 g/cm**3. A reasonable match has been obtained for calculated and measured flowrates, silica deposition and permeability distributions.

Original languageEnglish
Title of host publicationTransactions - Geothermal Resources Council
PublisherGeothermal Resources Council
Pages337-340
Number of pages4
Editionpt 2
ISBN (Print)093441260X
Publication statusPublished - 1985

Publication series

NameTransactions - Geothermal Resources Council
Numberpt 2
Volume9
ISSN (Print)0193-5933

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Geophysics

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