Can the same anti-caking agent be used for compound fertilizers and ammonium phosphate?
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Experts: I would like to ask whether the same anti-caking agent can be used simultaneously in compound fertilizers and ammonium phosphate The information provided by the manufacturers of anti-caking agents can all be used; can it be applied directly without conducting preliminary tests?
Under normal circumstances, it should be usable; phosphorus ammonium is itself a compound fertilizer. For safety reasons, it’s best to conduct tests first. Additionally, small-scale experiments should be carried out whenever a new batch is used
Compound fertilizer anti-caking agents are developed for different raw materials. For example, compound fertilizers using ** as the nitrogen source require specialized anti-caking agents; those using ammonium chloride or ammonium bicarbonate as nitrogen sources also need specific anti-caking agents. High-nitrogen compound fertilizers that use urea as the nitrogen source likewise require anti-caking agents of their own, while powdered monoammonium phosphate requires a different type of anti-caking agent. For diammonium phosphate, anti-caking agents based on ammonium chloride or urea can be used.
Anti-caking agents are classified in such a way that there are different types suitable for various products. They are developed based on the characteristics and physicochemical properties of the products, but their main components are generally similar; as long as no chemical reactions occur, they should be usable.
Anti-caking agents are designed primarily to prevent molecular attraction between fertilizer particles or crystals by means of blocking, separation, and encapsulation; therefore, the same type of anti-caking agent may not yield good results when used in compound fertilizers with different formulations. It is better if the raw materials used in the fertilizer formulation are of the same type, as choosing the appropriate anti-caking agent varies greatly depending on the composition of the formulation. Abroad, these agents are formulated specifically based on the characteristics of the products, which results in excellent anti-caking properties and allows them to dominate the high-end market.