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Calcination of phosphate in impinging streams. Part II. Phosphates with high organic matter and with pulverized coal
Author(s) -
Tamir Abraham,
Ziv Abraham,
Zeigerson Ehud,
Parpar Boa,
Tovim Ere,
Sadka Sason,
Zevin Lev,
Friedman Yehudit
Publication year - 1993
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450710517
Subject(s) - calcination , phosphate , materials science , mineralogy , nuclear chemistry , pulverized coal fired boiler , chemistry , coal , organic chemistry , catalysis
Calcination of a high organic matter phosphate and a phosphate containing pulverized coal up to 10 wt % was performed successfully in an impinging stream calciner. The results re‐established previous conclusions that the present calciner is a useful device. A simplified model has been developed for exploring the effect of various operating parameters on the concentration of phosphate particles at the impingement plane of the streams. It also assisted us in explaining the effect of the phosphate flow rate on the efficiency of calcination. It was established that the calcination rate of phosphate is governed by the internal resistance of the particle to the heat transfer, which was consistent with previous results.