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Small-scale Production of Cementitious Materials

By Robin Spence
ISBN: 9780903031745
Two alternative approaches to large scale factory production are considered: firstly, the manufacture of Portland cement, or material of comparable quality, in much smaller kilns, and, secondly, the upgrading of village-scale technology, based on lime and pozzolanas.

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  • Synopsis
    Cement, or at least some form of cementing material, is an essential ingredient of virtually every type of construction. Two alternative approaches to large scale factory production are considered: firstly, the manufacture of Portland cement, or material of comparable quality, in much smaller kilns, and, secondly, the upgrading of village-scale technology, based on lime and pozzolanas. A comprehensive list of references and further information is also listed.
  • Table of Contents
    Contents
    1. Introduction 1
    1.1 The place of cement in development 1
    1.2 Existing cement-production technology - characteristics
    and problems 2
    2. Small scale Portland cement plants 8
    2.1 Background 8
    2.2 Indian development work on small scale vertical shaft kilns 9
    2.3 Medium scale vertical shaft kilns 11
    2.4 The compact cement plant 12
    2.5 Cement production in the People's Republic of China 12
    2.6 Economic considerations: comparison of small and large
    plants 13
    2.7 Comparison of Indian and Chinese experience 15
    3. Lime-based cementing materials 19
    3.1 Background 19
    3.2 Lime: raw materials 21
    3.3 Lime: production process 22
    3.4 Lime production: capital costs, labour intensity and
    production costs 26
    3.5 Pozzolanas: raw materials 27
    3.6 Pozzolanas: processing and uses 29
    3.7 Economics of pozzolana and lime-pozzolana production 33
    3.8 Comparative economics of lime-pozzolana production and
    Portland cement production 34
    4. Other cementing materials 36
    4.1 Hydraulic lime and natural cement 36
    4.2 Gypsum 37
    4.3 Other cement-making processes 37
    5. Non-technical problems in implementing appropriate
    technologies 39
    6. Summary and conclusions 44
    Notes and references 46
  • Details
    Sub Title No
    Author Robin Spence
    Editor No
    Number of Pages 56
    Format Paperback / softback
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