发明名称 |
PHOSPHOROUS PENTOXIDE PRODUCING METHODS AND SYSTEMS WITH INCREASED AGGLOMERATE COMPRESSION STRENGTH |
摘要 |
A phosphorous pentoxide producing method includes forming pre-feed agglomerates containing phosphate ore particles, carbonaceous material particles, and silica particles and heating the pre-feed agglomerates in a reducing or inert atmosphere to an induration temperature from above 900 C to less than 1180 C and maintaining the induration temperature for 15 minutes or more. The method includes forming feed agglomerates and increasing a compression strength of the feed agglomerates to above 25 lbf using the heating, the feed agglomerates exhibiting a calcium-to-silica mole ratio less than 1 and a silica-to-(calcium + magnesium) mole ratio greater than 2. A reducing kiln bed is formed using the feed agglomerates, kiln off-gas is generated, and phosphorous pentoxide is collected from the kiln off gas. |
申请公布号 |
WO2016049554(A2) |
申请公布日期 |
2016.03.31 |
申请号 |
WO2015US52402 |
申请日期 |
2015.09.25 |
申请人 |
JDCPHOSPHATE, INC. |
发明人 |
BLAKE, DAVID B.;PACHPOR, SOURABH A.;HANDMAN, LAWRENCE M.;FOWLER, THEODORE P.;TRAINHAM, JAMES A.;VIGNOVIC, MARK;MEGY, JOSEPH A. |
分类号 |
C01B25/12 |
主分类号 |
C01B25/12 |
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