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    • 1. 发明公开
    • 폴리아크릴산 제조를 위한 시스템 및 방법
    • 聚丙烯酸生产系统和方法
    • KR1020170129734A
    • 2017-11-27
    • KR1020177025777
    • 2016-02-12
    • 노보머, 인코포레이티드
    • 수크라즈사데시에이치.
    • C08F2/01C07C51/09C07C57/04C08F20/06
    • C08F20/06C07C51/12C07C51/14C07C51/145C07C51/377C07C57/04C07C59/01C08F2/01C08F2/18
    • 에틸렌옥사이드를형성하기위한에틸렌산화로부터의폴리아크릴산및 초흡수성중합체의제조를위한시스템및 방법이개시되어있다. 에틸렌옥사이드를일산화탄소와반응시켜베타프로피오락톤(BPL) 또는폴리프로피오락톤(PPL) 또는이들의조합을형성한다. BPL을아크릴산으로전환시키거나 BPL의적어도일부를 PPL로전환시킨다음 PPL을아크릴산으로전환시키는하나이상의반응기를사용하여 BPL 또는 PPL 또는이의조합을포함하는카보닐화스트림을제공하도록구성된유출구. PPL의적어도일부를 AA로전환시키는제2 반응기에또는 PPL의적어도일부를 AA로전환시키는제3 반응기에 PPL 스트림을제공하도록구성된유출구. AA를폴리아크릴산으로전환시키는제4 반응기에 AA 스트림을제공하도록구성된유출구.
    • 公开了一种系统和方法,用于由乙烯氧化生产聚丙烯酸和超吸收聚合物以形成环氧乙烷。 环氧乙烷与一氧化碳反应形成β丙内酯(BPL)或聚丙内酯(PPL)或其组合。 配置为使用一个或多个反应器的至少BPL BPL转化为丙烯酸或到下一个PPL的出口唯一地切换该切换部到PPL丙烯酸提供含有BPL或PPL或它们的组合的羰基化流。 构造成将PPL流提供给将一些PPL转化为AA的第二反应器或将PPL中的一些转化为AA的第三反应器的出口。 构造成向第四反应器提供AA流的出口,其将AA转化为聚丙烯酸。
    • 7. 发明公开
    • 에너지 기여 결합 증류를 이용한 방향족 화합물 산화반응시 반응기 배출물로부터 물을 분리하고 카르복실산을 회수하는 장치 및 방법
    • 用于回收碳酸的装置和方法,以及通过使用能量贡献联合蒸馏在芳族化合物的氧化过程中从反应器排放中除去水的装置和方法
    • KR1020130029703A
    • 2013-03-25
    • KR1020110095698
    • 2011-09-22
    • (주)티피티퍼시픽강기준
    • 강기준
    • C07C51/46C07C63/00C07B63/00B01D3/36
    • C07C51/377B01D3/007B01D3/36C07B63/00C07C51/46Y02P70/34C07C53/08
    • PURPOSE: An apparatus recovering a carboxylic acid is provided to reduce energy use for recovering the carboxylic acid by using two or more dehydration columns. CONSTITUTION: An apparatus recovering a carboxylic acid comprises as follows: a first and second dehydration column(21a,21b); a first dehydration column condenser(23a) installed in the upper downstream of the first dehydration column; a first dehydration column condensate drum transfer pump(28), and a vacuum pump(29) each of which is installed in the upper downstream of the first dehydration column; a first dehydration column reboiler(22a) and a second dehydration condenser(23b) which condenses discharged material from the first dehydration column and the second dehydration column; and a second dehydration column cooler and a second dehydration condensate drum(24) which are selectively installed; and a second dehydration reboiler(22b) installed in the second dehydration column. [Reference numerals] (A2.B2) Liquid stream with low concentration of acetic acid(concentration of acetic acid 40-70%); (C2) Gaseous stream with high concentration of acetic acid(concentration of acetic acid 70-88wt%); (D2) Collecting acetic acid(concentration:88-95wt%; (E2) Aqueous stream; (F2) Vent gas; (G2) Reflux azeotropic agent; (I2) Oil stream; (J2) Organic materials removed from water; (K2) Discharge water(concentration of acetic acid 0.01-0.05 wt%); (L2) Organic materials removed from the azeotropic agent; (M2) Azeotropic agent to be collected; (N2) Collecting aromatic compounds; (O2) Acetic acid collected in the lower part of a first dehydration column; (P2) Acetic acid discharged from the lower part of the first dehydration column; (Q2) Upper gas(vapor) of the first dehydration column; (R2) Reflux of the first dehydration column; (S2) Upper discharge liquid form the first dehydration column transferred to a second dehydration column; (T2) Upper gas(vapor) of the second dehydration column; (U2) Condensed liquid of the second dehydration column; (V2) Condensed liquid drum vent gas of the first dehydration gas
    • 目的:提供一种回收羧酸的装置,以减少通过使用两个或更多个脱水塔来回收羧酸的能量消耗。 构成:回收羧酸的装置包括如下:第一和第二脱水塔(21a,21b); 第一脱水塔冷凝器(23a),安装在第一脱水塔的上游下游; 第一脱水塔冷凝鼓输送泵(28)和真空泵(29),每个真空泵安装在第一脱水塔的上游下游; 将来自第一脱水塔和第二脱水塔的排出物冷凝的第一脱水塔再沸器(22a)和第二脱水冷凝器(23b) 以及选择性地安装的第二脱水塔冷却器和第二脱水冷凝桶(24); 和安装在第二脱水塔中的第二脱水再沸器(22b)。 (A2.B2)乙酸浓度低(乙酸浓度40-70%)的液体流; (C2)高浓度乙酸气体流(醋酸浓度70-88wt%); (D2)收集乙酸(浓度:88-95wt%;(E2)水流;(F2)排气;(G2)回流共沸剂;(I2)油流;(J2)从水中除去有机物质 )排出水(乙酸浓度0.01-0.05重量%);(L2)从共沸剂中除去的有机物质;(M2)待收集的共沸剂;(N2)收集芳香族化合物;(O 2)收集的乙酸 (P2)从第一脱水塔下部排出的乙酸;(Q2)第一脱水塔的上部气体(蒸气);(R2)第一脱水塔的回流;(S2 )上部排出液体形成第一脱水塔,转移到第二脱水塔;(T2)第二脱水塔的上部气体(蒸汽);(U2)第二脱水塔的冷凝液;(V2)冷凝液体鼓排出气体 第一次脱水气