Divalent iron supply agent

Patent metadata

Field	Value
Publication number	US-11241016-B2
Application number	US-201816613869-A
Country	US
Kind code	B2
Filing date	Mar 5, 2018
Priority date	May 22, 2017
Publication date	Feb 8, 2022
Grant date	Feb 8, 2022

Abstract

[Problem] To provide a new technology with which it is possible to further increase a supply amount of divalent iron. [Solution] Provided is a divalent iron supply agent that contains: a hydrothermal reaction treatment product of a mixture containing at least one of yeast, a yeast extract, and a yeast cell wall, at least one of phosphoric acid and a phosphoric acid compound, and at least one of potassium and a potassium compound; and an iron supply raw material.

First claim

The invention claimed is:

1. A divalent iron supplying agent comprising:
a hydrothermal reaction treatment product of a mixture comprising at least one selected from the group consisting of a yeast, a yeast extract and a yeast cell wall, at least one selected from the group consisting of phosphoric acid and a phosphate compound, and at least one selected from the group consisting of potassium and a potassium compound;
an iron feedstock; and
one or more substances selected from the group consisting of a silicate source, used coffee grounds and used tea leaves,
wherein the hydrothermal reaction treatment product is obtained by subjecting the mixture to a hydrothermal reaction treatment at a pressure of 0.9 MPa or more and 1.9 MPa or less and a temperature of 120° C. or higher and 220° C. or lower.

2. The divalent iron supplying agent according to claim 1 , comprising the silicate source.

3. The divalent iron supplying agent according to claim 1 , further comprising at least one selected from the group consisting of the used coffcrcoffee grounds and the used tea leaves.

4. The divalent iron supplying agent according to claim 2 , further comprising at least one selected from the group consisting of the used coffee grounds and the used tea leaves.

5. A method for increasing an amount of divalent iron derived from an iron feedstock, comprising reacting a hydrothermal reaction treatment product of a mixture comprising at least one selected from the group consisting of a yeast, a yeast extract and a yeast cell wall, at least one selected from the group consisting of phosphoric acid and a phosphate compound, and at least one selected from the group consisting of potassium and a potassium compound with the iron feedstock in the presence of water and one or more substances selected from the group consisting of a silicate source, used coffee grounds and used tea leaves,
wherein the hydrothermal reaction treatment product is obtained by subjecting the mixture to a hydrothermal reaction treatment at a pressure of 0.9 MPa or more and 1.9 MPa or less and a temperature of 120° C. or higher and 220° C. or lower.

Assignees

• Asahi Group Holdings Ltd
• Asahi Group Holding Ltd

Inventors

• Kitagawa Takanori

Classifications

• A01N59/26

  Phosphorus; Compounds thereof · CPC title

• C05B17/00

  Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal · CPC title

• A01N2300/00

  Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48 · CPC title

• A01N63/32 Primary

  Yeast · CPC title

• C05D9/02

  containing trace elements · CPC title