公开(公告)号：US20160368830A1

公开(公告)日：2016-12-22

申请号：US14901748

申请日：2014-07-02

Applicant: SHELL OIL COMPANY

Inventor： Cyrille Paul ALLAIS ,  Rafael Alberto GARCIA MARTINEZ ,  Klaas Jan HUTTER ,  Charles James INGOLDSBY ,  Jason Trevor O'BRIEN ,  Carlos TOMAZ

IPC: C05B17/00 ,  C05B19/00

Abstract: A process for preparing a micronutrient-enriched phosphate-based fertiliser is disclosed. An aqueous fertiliser mixture comprising phosphoric acid and/or phosphate rock is prepared and optionally granulated in granulator unit. The pH of the fertiliser mixture is measured and controlled such that the pH is maintained within a predefined range.

Abstract translation: 公开了一种制备富含微量营养素的磷酸盐肥料的方法。 制备包含磷酸和/或磷酸盐岩的含水肥料混合物，并任选在造粒机中造粒。 测量和控制肥料混合物的pH使得pH保持在预定范围内。