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Process for making urea prills urea prills AND OBTAINED WITH THIS PROCESS.
Process for making urea prills urea prills AND OBTAINED WITH THIS PROCESS.
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机译:尿素小丸的制造工艺,并通过此过程获得。
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摘要
Making urea prills of good impact strength by allowing drops of substantially water-free urea melt to fall, counter current to a cooling gas, through a cooling zone in which a dispersion of crystalline particles with dimensions of between 2 and 10 micron, preferably between 4 and 8 micron, in a quantity of 8-25 mg per m3 of cooling gas, in maintained. …??The particles may be obtained by grinding crystalline urea.
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