Patents Assigned to Avebe B.A.
  • Process for producing high-purity potassium salts
    Patent number: 6274105
    Abstract: The present invention relates to a new selective process for producing high-purity potassium nitrate or potassium phosphate. The process uses a liquid agricultural or fermentation by-product, such as molasses, vinasse or potato thick juice as its potassium source and comprises the following unit operations: clarification, ion exchange, neutralization, concentration and crystallization. Importantly, the present invention also concerns a process for producing an ingredient for animal feed, said ingredient having a reduced potassium content.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: August 14, 2001
    Assignees: Avebe B.A., Kemira Agro Oy
    Inventors: Marcus Vorage, Per Eichner