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Patent Searching and Data


Title:
水酸化カルシウムの製造方法
Document Type and Number:
Japanese Patent JP6844249
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a process for producing calcium hydroxide which is able to more conveniently and more inexpensively control its crystal growth under normal temperature and atmospheric pressure, which condition loads less burden on an environment.SOLUTION: The process of the present invention comprises a step for providing suspension by mixing calcium silicate having a chemical composition represented by 3CaO SiOand belonging to a monoclinic system, slag, and water, and a step for curing the suspension under a condition without temperature control and pressure control.SELECTED DRAWING: None

Inventors:
Takafumi Takahashi
Takayuki Harano
Application Number:
JP2016253319A
Publication Date:
March 17, 2021
Filing Date:
December 27, 2016
Export Citation:
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Assignee:
Nippon Steel Corporation
International Classes:
C01F11/12
Domestic Patent References:
JP2010155734A
Other References:
佐川孝広、名和豊春,X線回折外部標準法により測定したセメント系材料の水和反応と硬化体の相組成,セメント・コンクリート論文集,2014年,68巻/1号,46-52頁,2.実験概要、3.実験結果および考察など
坂井悦郎 他,混合セメントにおける高エーライトクリンカーの使用,セメント・コンクリート論文集,2014年,68巻/1号,212-217頁,2.実験の概要、3.結果および考察など
Attorney, Agent or Firm:
Takayoshi Kokubun