prills

Urea solution with the addition of formaldehyde can be used to produce larger urea prills, the strength of the product prills is improved, and dust is reduced;

尿素溶液中加入甲醛,可用于大尿素的生产,同时可提高成品强度,降低粉尘,这是目尿素企业生产控制的一种措施,甲醛在尿素成品中转化为亚甲基二脲。