Title:
PHOSPHATIC FERTILIZER, POTTERY, AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/276143
Kind Code:
A1
Abstract:
The purpose of the present invention is to reduce waste matter derived from pottery. This production method for a phosphatic fertilizer comprises: a step for pulverizing pottery made of bone china; and a step for sieving the pulverized pottery made of bone china. Preferably, the pottery made of bone china is porcelain containing at least 30% of tricalcium phosphate as specified in JIS S2401, and the pulverized matter has a maximum particle size of at most 3 millimeters.
Inventors:
KOJIMA AKIHIRO (JP)
NISHIOKA AKIHIRO (JP)
KIDANI NAOKI (JP)
TAKIMOTO MIKIO (JP)
NISHIOKA AKIHIRO (JP)
KIDANI NAOKI (JP)
TAKIMOTO MIKIO (JP)
Application Number:
PCT/JP2021/025132
Publication Date:
January 05, 2023
Filing Date:
July 02, 2021
Export Citation:
Assignee:
NIKKO KK (JP)
International Classes:
C05B17/00; A47G19/00; B65D85/44
Foreign References:
| JP2008230917A | 2008-10-02 |
Attorney, Agent or Firm:
YOKOI Toshihiro (JP)
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