Title:
MANUFACTURING METHOD OF HIGH DENSITY NICKEL POWDER
Document Type and Number:
Japanese Patent JP2017082269
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of high density nickel powder especially having median diameter of 100 to 160 μm by controlling particle diameter of a nickel powder.SOLUTION: There is provided a manufacturing method of a nickel powder having median diameter of 100 μm to 160 μm and bulk density of 1 to 4.5 g/cmby inputting a nickel ammine complex solution containing nickel at concentration of 5 g/L to 75 g/L together with seed crystal at amount of 5 g to 200 g per 1 liter of the solution into a pressurized container having a mixer and increasing temperature, then conducting a reduction reaction with hydrogen by blowing hydrogen gas into the pressured container, repetitively conducting a defined A operation at least once after initial operation to obtain nickel in the nickel ammine complex solution as a nickel powder.SELECTED DRAWING: Figure 3
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Inventors:
OHARA HIDEKI
OZAKI KEICHI
HIRAGORI SHINICHI
TAKAISHI KAZUYUKI
IKEDA OSAMU
YONEYAMA TOMOAKI
KUDO YOHEI
OZAKI KEICHI
HIRAGORI SHINICHI
TAKAISHI KAZUYUKI
IKEDA OSAMU
YONEYAMA TOMOAKI
KUDO YOHEI
Application Number:
JP2015210245A
Publication Date:
May 18, 2017
Filing Date:
October 26, 2015
Export Citation:
Assignee:
SUMITOMO METAL MINING CO
International Classes:
B22F9/26; H01B13/00; B22F1/05
Domestic Patent References:
| JP5796696B1 | 2015-10-21 |
Foreign References:
| WO2015115427A1 | 2015-08-06 | |||
| WO2015146989A1 | 2015-10-01 |
Attorney, Agent or Firm:
Yoshitaka Oshida
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