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    • 9. 发明公开
    • 페놀 생성방법
    • 生产苯酚的方法
    • KR1020080109764A
    • 2008-12-17
    • KR1020087022825
    • 2007-04-03
    • 이네오스 페놀 게엠베하 운트 콤파니 카게
    • 웨버,맨프레드웨버,마르쿠스슈누르,오토
    • C07C37/08C07C37/72C07C37/68C07C39/04
    • C07C409/10C07C37/08C07C37/685C07C37/72C07C37/74C07C37/86C07C45/53C07C407/00C07C49/08C07C39/04
    • The present invention relates to method for producing phenol comprising: a) oxidizing cumene to form an oxidation product containing cumene hydroperoxide; b) cleaving said oxidation product using an acidic catalyst to form a cleavage product containing phenol, acetone and impurities; c) neutralizing and washing said cleavage product with a basic aqueous medium to obtain a neutralized cleavage product; d) separating said neutralized cleavage product by at least one distillation step into at least a phenol containing fraction and an aqueous fraction comprising hydroxyacetone; e) treating said aqueous fraction with an oxidizing agent in presence of a base to obtain a basic aqueous medium reduced in hydroxyacetone; f) recycling at least a portion of said basic aqueous medium to the neutralizing and washing step c); and g) recovering phenol from said phenol containing fraction obtained in step d). ® KIPO & WIPO 2009
    • 本发明涉及生产苯酚的方法,包括:a)氧化枯烯以形成含有氢过氧化枯烯的氧化产物; b)使用酸性催化剂裂解所述氧化产物以形成含有苯酚,丙酮和杂质的裂解产物; c)用碱性水性介质中和洗涤所述裂解产物以获得中和的裂解产物; d)将所述中和的裂解产物通过至少一个蒸馏步骤分离成至少含酚的级分和包含羟基丙酮的水性级分; e)在碱的存在下用氧化剂处理所述含水部分以获得在羟基丙酮中还原的碱性水性介质; f)将至少一部分所述碱性水性介质再循环至中和和洗涤步骤c); 和g)从步骤d)中获得的所述含苯酚馏分中回收苯酚。 ®KIPO&WIPO 2009