Steam injection or dry pressing? How to choose the NPK granulation process route?
In NPK compound fertilizer production, granulation is the key step in transforming powdered raw materials into uniform granules. Currently, the mainstream processes are divided into two main camps: steam granulation (wet process) and dry powder granulation (dry process). The two differ significantly in energy consumption, granule quality, equipment investment, and environmental performance. This article compares them from multiple dimensions to help manufacturers make better decisions.
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