| 摘要 |
<p>A method for purifying cyclohexanone containing by-product organic acids and obtained by oxidation of cyclohexane, which comprises contacting said cyclohexanone with at least one treating agent selected from the group consisting of hydrotalcite compounds of the following formula (1)
<Chemistry id="chema01" num="0001"><Image id="ia01" he="7" wi="91" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein M<Sup>2</Sup>- represents a divalent metal ion, M<Sup>3+</Sup> represents a trivalent metal ion, A" represents an anion having a valence of n, and x, z and m represent numbers satisfying the following expressions<MathDetails id="matha01"><MathText><![CDATA[ <img id="ia02" file="imga0002.tif" wi="30" he="6" img-content="math" img-format="tif" inline="no" /> ]]></MathText></MathDetails><MathDetails id="matha02"><MathText><![CDATA[ <img id="ia03" file="imga0003.tif" wi="31" he="4" img-content="math" img-format="tif" inline="no" /> ]]></MathText></MathDetails><MathDetails id="matha03"><MathText><![CDATA[ <img id="ia04" file="imga0004.tif" wi="32" he="4" img-content="math" img-format="tif" inline="no" /> ]]></MathText></MathDetails>and metal oxide-type solid solutions of the following formula (2)
<Chemistry id="chema02" num="0002"><Image id="ia05" he="8" wi="88" file="IMGA0005.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein M<Sup>2-</Sup> and M<Sup>3+</Sup> are as defined with respect to formula (1), and x' is a number represented by 0<x'<0.5, and showing a powder X-ray diffraction pattern corresponding to M<Sup>2</Sup> O.</p> |
