By balanced calculations of mass and heat,the DAP product of specification(13-18-0) is considered available,or if the MgO content in phosphate rock decreases to 1.57% from 3.23%,DAP product of excellent specification(15-42-0) possible.
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美
- 通過(guò)物熱衡算;說(shuō)明可生產(chǎn)(13-18-0)品級DAP;如磷礦中MgO從3.;23%25降至1