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    • 5. 发明公开
    • A method of preparing liquid smoke
    • Verfahren zur Herstellung vonflüssigemRauch
    • EP1726216A3
    • 2006-12-06
    • EP06015096.8
    • 2001-06-15
    • Danfo A/S
    • Plaschke, Kim
    • A23L1/221A23L1/232A23B4/048A23B4/052
    • A23B4/048A23B4/0526A23L17/00A23L27/11A23L27/27A23V2002/00A23V2300/44
    • The invention relates to a method of preparing a smoke extract, which method comprises the steps of
      i) preparing a tar from wood or cellulose preferably by pyrolysis,
      ii) extracting one or more fractions of the tar with an extraction solvent in its supercritical state and/or an extraction solvent in its liquid state, said solvent in its supercritical state being selected from the group consisting of CO 2 , propane, methane, ethylene, ammoniac, methanol, water and mixtures of one or more of these solvents, said solvent in its liquid state being selected from the group consisting of CO 2 , propane and mixtures of these components,
      iii) collecting at least some of the extracted tar to thereby obtain a smoke extract, wherein the extracted tar is collected from the solvent by removing the solvent from the non-dissolved part of the char, and reducing the pressure in one or more steps, wherein at least some of the extracted char is condensed in each step of pressure reduction.
    • 本发明涉及一种制备烟雾提取物的方法,该方法包括以下步骤:i)优选通过热解从木材或纤维素制备焦油,ii)用其超临界状态的萃取溶剂萃取一种或多种馏分的焦油, 所述溶剂在其超临界状态下选自CO 2,丙烷,甲烷,乙烯,氨,甲醇,水和这些溶剂中的一种或多种的混合物,所述溶剂在 其液体状态选自CO 2,丙烷和这些组分的混合物,iii)收集至少部分提取的焦油,从而获得烟雾提取物,其中通过除去溶剂从溶剂中收集提取的焦油 从一个或多个步骤中的不溶解部分中降低压力,其中至少一些提取的焦炭在每个减压步骤中冷凝。