Title:
GRANULAR FERTILIZER AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP3816870
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a new granular fertilizer free from the malodor due to a binder and exhibiting sufficient strength even with relatively small binder addition and a method of manufacturing the same, and to provide a means for turning a processed slag phosphate fertilizer having remarkably improved characteristic of silicic acid absorption by adding an elution accelerating agent, particularly phosphate or the like, into a granular fertilizer having improved water collapsibility along with strength.
SOLUTION: The granular fertilizer is formed by adding 0.2 to 5% by mass of α-starch (expressed in terms of starch) as a granulation binder. The granular fertilizer is preferably one of a slag silicate fertilizer, a mixed phosphate fertilizer, the processed slag phosphate fertilizer, a compound fertilizer and a potassium silicate fertilizer.
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Inventors:
Hattori Minoru
Maekawa Keiji
Maekawa Keiji
Application Number:
JP2002353163A
Publication Date:
August 30, 2006
Filing Date:
December 05, 2002
Export Citation:
Assignee:
Nippon Denko Co., Ltd.
International Classes:
B01J2/00; C05G3/00; B01J2/28; C05B17/00; C05D1/00; C05D9/00; C05G1/00; (IPC1-7): C05G3/00; B01J2/00; B01J2/28; C05D1/00; C05D9/00; C05G1/00
Domestic Patent References:
| JP2172883A | ||||
| JP2002068870A | ||||
| JP50018244A | ||||
| JP57149885A | ||||
| JP63270375A | ||||
| JP2001158685A | ||||
| JP2000264768A |
Foreign References:
| WO2002066402A1 | ||||
| WO2002092537A1 |
Other References:
肥料取締法に基づき普通肥料の公定規格を定める等の件の一部を改正する件,農林水産省告示第六百三十八号,日本,2002年 3月 8日
Attorney, Agent or Firm:
Daitaro Shiraki