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AMMONIUM NITRATE FERTILISER COMPOSITION AND METHOD OF MAKING THEREOF
专利权人:
Yara International ASA
发明人:
LEDOUX, Francois
申请号:
EP20160819069
公开号:
EP3394007(A1)
申请日:
2016.12.20
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要:
Additives can be added to fertilizers to impart desirable characteristics. For example, a class of additives have been disclosed to stabilize the explosive potential of AN fertilizers are desirable, however, such additives can react with the AN fertilizer during its manufacture or during its storage. This is particularly the case where the additives contain carbonates, oxides, hydroxides, contain water of hydration or water locked within the structure (e.g. within an interlayer substructure). This reaction can be avoided if the additive has a passivation layer substantially covering the surface of the additive. The passivation layer, being substantially non‐reactive and substantially insoluble, protects the additive so that the additive keeps its desired properties and the fertilizer keeps its quality. In other aspects, methods of making the fertilizer are provided.
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