Gypsum & Lime

Online ISSN : 2185-4351
ISSN-L : 0559-331X

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Volume 1973, Issue 123

Displaying 1-6 of 6 articles from this issue

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Derivation of the Mathematical Expressions for Calculating Thermotechnologically the Principal Quantities on fuel fired Lime Shaft Kiln as a Function of Decarbonation Temperature of Limestone

Kiyoshi TERADA

1973 Volume 1973 Issue 123 Pages 63-70
Published: March 01, 1973
Released on J-STAGE: March 07, 2011

DOIhttps://doi.org/10.11451/mukimate1953.1973.63

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A study has been made of the derivation of the mathematical expressions for calculating thermotechnologically the principal quantities on fuel fired lime shaft kiln as a function of decarbonation temperature of limestone and the following results were obtained.
Equations were derived for almost all the important quantities required for the theoretical consideration of the kiln. With the aid of the equations principal dimensions, operating conditions, thermal efficiencies and others of the kiln may by calculated quantitatively as a function of the decarbonation temperature of limestone.

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Effects of Rare Earth (Cerium, Lanthanum) on the Hydration of Hemihydrate during Wet-process Phosphoric Acid Production by Hemihydrate-Dihydrate Process

Masasi MORI, Jumpei ANDO

1973 Volume 1973 Issue 123 Pages 71-73
Published: March 01, 1973
Released on J-STAGE: March 07, 2011

DOIhttps://doi.org/10.11451/mukimate1953.1973.71

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Hemihydrate obtained from Kola phosphate are is hardly hydrated in the acid. The inhibitation of the hydration is caused mainly by small amounts of cerium and lanthanum and partly by strontium present in the ore. Lanthanum is particularly effective. Strontium present in the are shows less effect.

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[title in Japanese]

[in Japanese], [in Japanese]

1973 Volume 1973 Issue 123 Pages 74-82
Published: March 01, 1973
Released on J-STAGE: March 07, 2011

DOIhttps://doi.org/10.11451/mukimate1953.1973.74

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese]

1973 Volume 1973 Issue 123 Pages 82-89
Published: March 01, 1973
Released on J-STAGE: March 07, 2011

DOIhttps://doi.org/10.11451/mukimate1953.1973.82

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese]

1973 Volume 1973 Issue 123 Pages 89-98
Published: March 01, 1973
Released on J-STAGE: March 07, 2011

DOIhttps://doi.org/10.11451/mukimate1953.1973.89

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[title in Japanese]

[in Japanese]

1973 Volume 1973 Issue 123 Pages 98-100
Published: March 01, 1973
Released on J-STAGE: March 07, 2011

DOIhttps://doi.org/10.11451/mukimate1953.1973.98

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