SAM4CH
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Spherical Ammonium Perchlorate
How to make a spherical ammonium perchlorate or granules?
Is it can be achieve by re-crystallization?
what about spherical agglomeration technique? Is there any full text for this?
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Xenoid
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I believe spherical granules are formed by spraying the hot saturated solution from the top of a tall cylindrical tower, up which, heated air is being
blown.
If you look up the industrial preparation of ammonium nitrate granules, you should find a fuller description of this process, it's fairly common.
It's not really suited to home use, as the towers need to be 20 - 30 metres tall.
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ScienceSquirrel
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All sorts of chemicals are made in to prills using this process.
They are more easily handled than crystals or fine powders that can pack or cake.
http://en.wikipedia.org/wiki/Prill
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