| 摘要 |
<p>1398293 Cycloalkanones and/or cycloalkanols ZIMMER AG PLANUNG UND BAU VON INDUSTRIENANLAGEN 27 Sept 1972 [28 Sept 1971] 44694/72 Heading C2C Carboxylic acids and their derivatives are removed from admixture with cycloalkanones and/or cycloalkanols by extracting the mixture with an aqueous alkaline solution, burning the extract in air at 550‹ to 1200‹ C., dissolving the combustion residue in water and recycling the aqueous alkaline solution so formed to the extraction stage.</p> |
