| 发明名称 | Method for producing regenerated clay, regenerated clay, and method for producing purified fats and oils | ||
| 摘要 | The present invention provides a method for performing regeneration of a decolorization capacity of waste clay that has been used for purification of fats and oils, and production of a thermally recyclable compound as a biofuel from oily ingredients in the waste clay at the same time in a convenient manner. That is, a method for producing purified fats and oils of the invention includes: a method for producing regenerated clay including the steps of mixing waste clay that has been used for purification of fats and oils, lower alcohol, and an acidic catalyst; and performing extraction of oily ingredients from the waste clay, and an esterification reaction between the fats and oils and/or a free fatty acid in the oily ingredients and the lower alcohol at the same time so as to regenerate a decolorization capacity of the waste clay; regenerated clay that is produced by the method for producing the regenerated clay; and a process of decolorizing the fats and oils using the regenerated clay. | ||
| 申请公布号 | US9023749(B2) | 申请公布日期 | 2015.05.05 |
| 申请号 | US201113816629 | 申请日期 | 2011.10.03 |
| 申请人 | The Nisshin Oillio Group, Ltd. | 发明人 | Negishi Satoshi;Tokunaga Kunihiko;Itou Hitoshi;Kawanobe Yumi;Itagaki Hiroyuki |
| 分类号 | B01J20/34;C11B3/10;C11C3/00;B01J20/12;C11B13/04;C10L1/02 | 主分类号 | B01J20/34 |
| 代理机构 | Wood, Herron & Evans, LLP | 代理人 | Wood, Herron & Evans, LLP |
| 主权项 | 1. A method for producing regenerated clay, the method comprising the steps of: mixing waste clay that has been used for purification of fats and oils, lower alcohol, and an acidic catalyst; performing extraction of oily ingredients from the waste clay, and an esterification reaction between the fats and oils and/or a free fatty acid in the oily ingredients and the lower alcohol at the same time so as to regenerate a decolorization capacity of the waste clay to obtain a regenerated clay; adjusting a pH of the regenerated clay of which decolorization capacity is regenerated to 3 to 8, after the extraction of the oily ingredients from the waste clay; subsequently washing the regenerated clay with a solvent having an SP value, which indicates a solubility parameter, of 7 to 15 and pH of 3 to 8; and washing the regenerated clay with water, after washing the regenerated clay with the solvent having the SP value of 7 to 15 and pH of 3 to 8. | ||
| 地址 | Tokyo JP | ||