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金属化合物担持スメクタイト及び用途
专利权人:
黒崎白土工業株式会社
发明人:
田中 正範,黒崎 英昭
申请号:
JP1999109423
公开号:
JP4856300B2
申请日:
1999.04.16
申请国别(地区):
JP
年份:
2012
代理人:
摘要:
PROBLEM TO BE SOLVED: To obtain the subject smectite as a useful deodorizer having specific physical properties and high deodorizing capacity by holding granular smectite having specific cation exchange capacity under heating at a specified temperature and spraying it with an aqueous solution or aqueous dispersion of a metal compound. SOLUTION: This metal compound-bearing smectite is obtained by the following steps: granular smectite >=50 meq/g in cation exchange capacity is held under heating at 80-300 deg.C and then sprayed with an aqueous solution or aqueous dispersion of copper compound and/or zinc compound to bear the granular smectite with 0.001-1.000 wt.%, per granular smectite, of the metal compound(s) as RO (R is copper or zinc) on a 110 deg.C-dried basis. This metal compound-bearing smectite thus obtained is <=3 ppm in the level of copper and/or zinc extracted when this smectite is subjected to extraction with 50 wt. times of water. This smectite thus obtained has a wide deodorizing spectrum about various offensive odor components, being capable of stably adsorbing in a solid state such offensive odor components and reacting with them, thereby enabling deodorizing performance to be manifested.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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