Citric Acid → Sodium Hydroxide

HRID 1672085

反応式

HRID 1672085 の反応式
[S:1]([O-:5])([O-:4])(=[O:3])=[O:2].[Co+2:6].C(O)(=O)CC(CC(O)=O)(C(O)=O)[OH:10].[OH-:20].[Na+:21].OO.[OH-].[Co+2].[OH-]>>[S:1]([O-:5])([O-:4])(=[O:3])=[O:2].[Co+2:6].[OH-:10].[Na+:21].[O-2:20].[O-2:2].[O-2:2].[O-2:2].[Co+2:6].[Co+3:6].[Co+3:6]

参加物

8

反応物 5

HCID 311Citric AcidHCID 784Hydrogen PeroxideHCID 14798Sodium HydroxideHCID 24965Cobalt SulfateHCID 10129900Cobalt hydroxide

生成物 3

HCID 14798Sodium HydroxideHCID 24965Cobalt SulfateHCID 6432046Cobalt oxide

実験手順

A cobalt sulfate solution (1 mol/L) and sodium hydroxide solution (5 mol/L) were prepared respectively. To the cobalt sulfate solution, citric acid was added. The resultant mixture and the sodium hydroxide solution were simultaneously added into a reactor by a cocurrent method, and allowed to react at 50° C. with pH value being at 11.5. Hydrogen peroxide as an oxidant was charged uniformly, and the amount thereof was 1.8 times that needed for completely oxidizing the generated cobalt hydroxide. After reaction, the solution was aged for 10 hrs at a constant temperature, dried at 110° C., and roasted at 350° C. for 10 hrs to yield spherical tricobalt tetraoxide with diameter D50 of 12 μm and tap density of 2.8 g/cm3.

後処理

  1. customto react at 50° C. with pH value
  2. customAfter reaction
  3. customdried at 110° C.
  4. waitroasted at 350° C. for 10 hrs

出典と根拠

ORDレコード
ord-ded804d3ae9d4bdcac1bd7c5b8f0a318
出典データセット
uspto-grants-2011_08
特許番号
US07998452B2

関連ノート

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