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    • 2. 发明公开
    • 포름알데히드로부터 트리옥산의 통합 제조 방법
    • 用于从甲醛生产三氧化二铁的综合方法
    • KR1020080033364A
    • 2008-04-16
    • KR1020087003041
    • 2006-08-01
    • 바스프 에스이
    • 랑,네펜스트뢰퍼,에크하르트스타머,아힘프리제,토르스텐시게르트,마르쿠스하세,한스그뤼츠너,토마스블라고프,세르게이
    • C07D323/06
    • C07D323/06Y02P20/125
    • The invention relates to an integrated method for producing trioxane from formaldehyde. According to said method, a flow A1 containing water and formaldehyde as well as a recirculation flow B2 substantially composed of water and formaldehyde are delivered to a trioxane synthesis reactor in which the formaldehyde is reacted to trioxane such that a product flow A2 containing trioxane, water, and formaldehyde is obtained. Flow A2 and a recirculation flow D1 containing trioxane, water, and formaldehyde are fed to a first distillation column and are distilled at a pressure ranging from 0.1 to 2.5 bar such that a trioxane-enriched flow B1 and flow B2, which is essentially composed of water and formaldehyde, are obtained. Flow B1 is delivered to a second distillation column and is distilled at a pressure ranging from 0.2 to 17.5 bar such that a product flow substantially comprising trioxane and a flow C1 containing trioxane, water, and formaldehyde are obtained. Flow C1 is fed to a third distillation column and is distilled at a pressure ranging from 1 to 10 bar such that the recirculation flow D1 containing trioxane, water, and formaldehyde as well as a flow D2 that is substantially composed of water are obtained.
    • 本发明涉及从甲醛生产三恶烷的综合方法。 根据所述方法,将含有水和甲醛的流动A1以及基本上由水和甲醛组成的再循环流B2输送到三恶烷合成反应器,其中甲醛与三恶烷反应,使得含有三恶烷的产物流A2,水 ,得到甲醛。 将流动A2和含有三恶烷,水和甲醛的再循环流D1加入到第一蒸馏塔中,并在0.1至2.5巴的压力下蒸馏,使得富含三恶烷的流B1和流B2基本上由 水和甲醛。 将流量B1输送到第二蒸馏塔,并在0.2至17.5巴的压力下蒸馏,使得获得基本上包含三恶烷的产物流和含有三恶烷,水和甲醛的流动C1。 将流C1加入到第三蒸馏塔中并在1至10巴的压力下蒸馏,从而获得含有三恶烷,水和甲醛的再循环流D1以及基本上由水组成的流动D2。
    • 3. 发明公开
    • 포름알데히드로부터 트리옥산의 통합 제조 방법
    • 用于从甲醛生产三氧化二铁的综合方法
    • KR1020080033363A
    • 2008-04-16
    • KR1020087003039
    • 2006-08-04
    • 바스프 에스이
    • 랑,네펜스트뢰퍼,에크하르트스타머,아힘프리제,토르스텐시게르트,마르쿠스하세,한스그뤼츠너,토마스블라고프,세르게이
    • C07D323/06
    • C07D323/06Y02P20/125
    • The invention relates to an integrated method for producing trioxane from formaldehyde. According to said method, a flow A1 containing water and formaldehyde and a return flow B2 consisting essentially of water and formaldehyde are introduced into a trioxane synthesis reactor in which the formaldehyde is converted into trioxane, forming a product flow A2 containing trioxane, water and formaldehyde; the flow A2 is introduced into a first distillation column and distilled at a pressure of between 0. 1 and 2.5 bar, forming a trioxane-enriched flow B1 and the flow B2 consisting essentially of water and formaldehyde; the flow B1 and a return flow D1 containing trioxane, water and formaldehyde are introduced into a second distillation column and distilled at a pressure of between 0.2 and 17.5 bar, forming a product flow C2 consisting essentially of trioxane and a flow C1 containing trioxane, water and formaldehyde; and the flow C1 is introduced into a third distillation column and distilled at a pressure of between 0.1 and 2.5 bar, forming the return flow D1 containing trioxane, water and formaldehyde and a flow D2 consisting essentially of water and formaldehyde.
    • 本发明涉及从甲醛生产三恶烷的综合方法。 根据所述方法,将含有水和甲醛的流动A1和基本上由水和甲醛组成的回流B2引入三氧化硅合成反应器中,其中甲醛被转化成三恶烷,形成含有三恶烷,水和甲醛的产物流A2 ; 将流动A2引入第一蒸馏塔并在0.1至2.5巴之间的压力下蒸馏,形成富含三恶烷的流量B1和基本上由水和甲醛组成的流量B2; 将流动B1和含有三恶烷,水和甲醛的回流D1引入第二蒸馏塔中并在0.2至17.5巴之间的压力下蒸馏,形成基本上由三恶烷组成的产物流C2和含有三恶烷的流C1,水 和甲醛; 并且将流C1引入第三蒸馏塔并在0.1至2.5巴之间的压力下蒸馏,形成含有三恶烷,水和甲醛的回流流D1和基本上由水和甲醛组成的流动D 2。
    • 4. 发明公开
    • 포름알데히드로부터 트리옥산의 통합 제조 방법
    • 从甲醛制备三氧化二铁的综合方法
    • KR1020080034975A
    • 2008-04-22
    • KR1020087005004
    • 2006-07-19
    • 바스프 에스이
    • 랑,네펜스트뢰퍼,에크하르트스타머,아힘프리제,토르스텐시게르트,마르쿠스하세,한스그뤼츠너,토마스블라고프,세르게이
    • C07D323/06
    • C07D323/06Y02P20/125
    • The invention relates to an integrated process for preparing trioxane from formaldehyde, comprising the steps of: a) feeding a stream A1 comprising water and formaldehyde and a recycle stream B2 consisting essentially of water and formaldehyde to a trioxane synthesis reactor and allowing them to react to obtain a product stream A2 comprising trioxane, water and formaldehyde; b) feeding stream A2 to a first low-pressure distillation column and distilling it at a pressure of 0.1 to 2.5 bar to obtain a stream B1 which has been enriched in trioxane and additionally comprises water and formaldehyde and the recycle stream B2 which consists essentially of formaldehyde and water; c) feeding stream B1 and a recycle stream D1 which comprises trioxane, water and formaldehyde to a second low-pressure distillation column and distilling them at a pressure of 0.1 to 2.5 bar to obtain a stream C1 comprising predominantly trioxane and additionally formaldehyde and water, and a stream C2 consisting essentially of formaldehyde and water; d) feeding stream C1 to a high-pressure distillation column and distilling it at a pressure of 0.2 to 17. 5 bar to obtain the recycle stream D1 and a product stream D2 consisting essentially of trioxane, wherein a removal of the low boilers present in streams B1 and/or C1 can be undertaken between steps b) and c) or c) and d).
    • 本发明涉及从甲醛制备三恶烷的综合方法,包括以下步骤:a)将含有水和甲醛的流A1和基本上由水和甲醛组成的再循环流B2送入三氧杂环己烷合成反应器,并使它们与 得到包含三恶烷,水和甲醛的产物流A2; b)将料流A2送入第一低压蒸馏塔并在0.1至2.5巴的压力下蒸馏,得到富含三恶烷并另外包含水和甲醛的料流B1和基本上由 甲醛和水; c)将料流B1和包含三恶烷,水和甲醛的再循环料流D1送入第二低压蒸馏塔,并在0.1至2.5巴的压力下蒸馏,得到主要含有三恶烷并另外含有甲醛和水的料流C1, 和基本上由甲醛和水组成的料流C2; d)将料流C1加入到高压蒸馏塔中并在0.2至17.5巴的压力下蒸馏,得到循环料流D1和基本上由三恶烷组成的产物流D 2,其中,除去低沸点 流B1和/或C1可以在步骤b)和c)或c)和d)之间进行。
    • 5. 发明公开
    • 압력 변동 정류 방법에 의한 트리옥산/포름알데히드/물혼합물로부터의 트리옥산의 분리 방법
    • 通过压力变化方法从三氧化硅/甲醛/水混合物中分离三氧化二锑的方法
    • KR1020060118561A
    • 2006-11-23
    • KR1020067012429
    • 2004-12-21
    • 바스프 에스이
    • 시게르트,마르쿠스랑,네벤스트뢰퍼,에크하르트스타머,아힘프리세,토르스텐하세,한스
    • C07D323/06
    • C07D323/06
    • The invention relates to a method for separating trioxane from an inlet flow (I) consisting of formaldehyde, trioxane and water.Said method consists in a) preparing an inlet flow (I), which contains formaldehyde as the main component and trioxane and water as auxiliary components, b) mixing the inlet flow (I) with a return flow (VII) containing trioxane as the main component and formaldehyde and water as auxiliary components. An inlet flow (Ia), which contains formaldehyde as the main component and trioxane and water as the auxiliary components, is obtained. Said method also consists in c) distilling the inlet flow (Ia) in a first distillation step at a pressure of between 0.1 2.5 bars, thus enabling a flow (II), which contains formaldehyde as the main component and water as the auxiliary component, and a flow (III), which contains trioxane as the main component and water and formaldehyde as the auxiliary components, to be obtained, d) distilling the flow (III), optionally after separating materials at a low-boiling point from the flow (III) in a low-boiling separation step and in a second distillation step at a pressure of between 0.2 17.5 bars, whereby the pressure in the second distillation step is 0.1 - 15 bars higher than the pressure in the first distillation step. A flow (IV) is obtained which is essentially made of trioxane, and also a flow V which contains trioxane as the main component and water and formaldehyde as the auxiliary components, e) optionally mixing the flow (V) with a flow (IX), which contains water as the main component, in order to obtain a flow (Va) having a higher water content than flow (V), whereby flow (Va) contains trioxane as the main component and water and formaldehyde as the auxiliary components, f) distilling the flow (V) and/or flow (Va) in a third in distillation step at a pressure of between 1 - 10 bars, whereby a flow (VI), which is essentially made of water, and the return flow (VII), which contains trioxane as the main component and water and formaldehyde as the auxiliary components, are obtained.
    • 本发明涉及从由甲醛,三恶烷和水组成的入口流(I)分离三恶烷的方法。所述方法包括:a)制备以甲醛为主要成分的入口流(I),三氧杂环己烷和水为 辅助部件,b)将入口流(I)与含有三恶烷作为主要成分的回流(VII)和甲醛和水作为辅助成分混合。 获得含有甲醛作为主要成分的入口流(Ia)和作为辅助成分的三恶烷和水。 所述方法还包括:c)在第一蒸馏步骤中在0.1-2.5巴之间的压力下蒸馏入口流(Ia),从而使含有甲醛作为主要成分的流(II)和水作为辅助成分, 以及含有三恶烷作为主要成分的流动(III),以及作为辅助成分的水和甲醛作为辅助成分; d)任选地在流动的低沸点分离材料之后蒸馏流(III)(III) III)在低沸点分离步骤和在第二蒸馏步骤中的压力为0.2-17.5巴,由此第二蒸馏步骤中的压力比第一蒸馏步骤中的压力高0.1至15巴。 获得基本上由三恶烷制成的流动(IV),以及含有三恶烷作为主要成分的流动V和作为辅助成分的水和甲醛,e)任选地将流动(V)与流动(IX)混合, 以含水为主要成分的水作为主要成分,得到流动性(Va)高于流动(V)的流动(Va),由此流动(Va)含有三恶烷作为主要成分,水和甲醛作为辅助成分,f )在蒸馏步骤中的第三蒸馏步骤中在1-10巴的压力下蒸馏流(V)和/或流(Va),由此基本上由水制成的流动(VI)和回流(VII ),其中含有三恶烷作为主要成分,并以水和甲醛为辅助成分。
    • 8. 发明授权
    • 압력 변동 정류 방법에 의한 트리옥산/포름알데히드/물혼합물로부터의 트리옥산의 분리 방법
    • 通过压力变化方法从三氧化硅/甲醛/水混合物中分离三氧化二锑的方法
    • KR101076971B1
    • 2011-10-26
    • KR1020067012429
    • 2004-12-21
    • 바스프 에스이
    • 시게르트,마르쿠스랑,네벤스트뢰퍼,에크하르트스타머,아힘프리세,토르스텐하세,한스
    • C07D323/06
    • C07D323/06
    • a) 주성분으로 포름알데히드 및 2차 성분으로 트리옥산 및 물을 포함하는 이용 스트림 I을 제공하고,
      b) 이용 스트림 I을 주성분으로 트리옥산 및 2차 성분으로 포름알데히드 및 물을 포함하는 재순환 스트림 VII와 혼합하여 주성분으로 포름알데히드 및 2차 성분으로 트리옥산 및 물을 포함하는 공급 스트림 Ia를 얻고,
      c) 이용 스트림 Ia를 제1 증류 단계에서 0.1 내지 2.5 바(bar)의 압력으로 증류하여, 주성분으로 포름알데히드 및 2차 성분으로 물을 포함하는 스트림 II 및 주성분으로 트리옥산 및 2차 성분으로 물 및 포름알데히드를 포함하는 스트림 III을 얻고,
      d) 스트림 III을, 임의로 저비점물질(low boiler) 제거 단계에서 스트림 III으로부터 저비점물질을 제거한 후, 제2 증류 단계에서 0.2 내지 17.5 바의 압력에서 증류하여(여기서, 제2 증류 단계에서의 압력은 제1 증류 단계에서의 압력보다 0.1 내지 15 바 높은 것임) 실질적으로 트리옥산으로 이루어지는 스트림 IV 및 주성분으로 트리옥산 및 제2 성분으로 물 및 포름알데히드를 포함하는 스트림 V를 얻고,
      e) 스트림 V를 주성분으로 물을 포함하는 스트림 IX와 임의로 혼합하여 스트림 V보다 수분 함량이 높은 스트림 Va를 얻고(여기서, 스트림 Va는 주성분으로 트리옥산 및 2차 성분으로 물 및 포름알데히드를 포함함),
      f) 스트림 V 또는 Va를 제3 증류 단계에서 1 내지 10 바의 압력에서 증류하여, 실질적으로 물로 이루어지는 스트림 VI 및 주성분으로 트리옥산 및 2차 성분으로 물 및 포름알데히드를 포함하는 재순환 스트림 VII를 얻는 것에 의한,
      포름알데히드, 트리옥산 및 물의 이용 스트림 I으로부터 트리옥산을 제거하는 방법.
      트리옥산