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公开(公告)号：US20140378717A1
公开(公告)日：2014-12-25
申请号：US14324329
申请日：2014-07-07
IPC分类号： C07C17/25
CPC分类号： C07C17/25 , C01F11/22 , C01P2004/61 , C01P2006/80 , C07C21/18
摘要： The invention relates to a method for preparing olefin fluorine compounds. Specifically, the invention relates to a method for producing a (hydro)fluoroolefin compound, including: (i) in an agitated reactor provided with at least one reactant inlet and at least one outlet, contacting, with potassium hydroxide in an aqueous reaction medium, at least one compound containing three to six carbon atoms, at least two fluorine atoms, and at least one hydrogen atom, with the proviso that at least one hydrogen atom and one fluorine atom are located on adjacent carbon atoms, so as produce the (hydro)fluoroolefin compound, separated in a gaseous state from the reaction medium and from potassium fluoride; (ii) in an aqueous medium, contacting the potassium fluoride formed in step (i) with calcium hydroxide in a second reactor so as to produce potassium. hydroxide and to precipitate calcium tluoride; (iii) separating the calcium fluoride precipitated in step (ii) from the reaction medium; and (iv) optionally recirculating the reaction medium after optionally recirculating the reaction medium after optionally adjusting the concentration of potassium hydroxide in step (i), characterized in that potassium hydroxide, with regard to the reaction medium of step (ii), is between 10 and 35 wt % of the weight of the water/potassium hydroxide mixture of the medium.
摘要翻译： 本发明涉及烯烃氟化合物的制备方法。 具体地说，本发明涉及一种（氢）氟代烯烃化合物的制备方法，包括：（i）在搅拌反应器中，在反应器中装有至少一个反应物入口和至少一个出口，与氢氧化钾在水性反应介质中接触， 至少一种含有三至六个碳原子，至少两个氟原子和至少一个氢原子的化合物，条件是至少一个氢原子和一个氟原子位于相邻碳原子上，以产生（氢 ）氟代烯烃化合物，其以气态从反应介质和氟化钾分离; （ii）在水性介质中，在步骤（i）中形成的氟化钾与第二反应器中的氢氧化钙接触以产生钾。 氢氧化物并沉淀出氟化钙; （iii）将步骤（ii）中沉淀的氟化钙与反应介质分离; 和（iv）任选地在任选地调节步骤（ⅰ）中的氢氧化钾浓度之后任选地再循环反应介质后任选地再循环反应介质，其特征在于相对于步骤（ⅱ）的反应介质，氢氧化钾为10 和35重量％的介质的水/氢氧化钾混合物的重量。
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公开(公告)号：US20120126169A1
公开(公告)日：2012-05-24
申请号：US13299599
申请日：2011-11-18
IPC分类号： C09K3/00
CPC分类号： C01B11/062
摘要： The present invention relates to a process for preparing concentrated alkali metal hypochlorite solutions. One subject of the invention is more particularly a process for preparing concentrated bleach which may have a chlorine content of greater than 100 chlorometric degrees, and that has a low content of chlorates.
摘要翻译： 本发明涉及一种制备浓缩碱金属次氯酸盐溶液的方法。 本发明的一个主题更具体地是一种制备浓缩漂白剂的方法，该漂白剂可以具有大于100个氯度的氯含量，并且具有低含量的氯酸盐。
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公开(公告)号：US09023236B2
公开(公告)日：2015-05-05
申请号：US13299599
申请日：2011-11-18
CPC分类号： C01B11/062
摘要： The present invention relates to a process for preparing concentrated alkali metal hypochlorite solutions. One subject of the invention is more particularly a process for preparing concentrated bleach which may have a chlorine content of greater than 100 chlorometric degrees, and that has a low content of chlorates.
摘要翻译： 本发明涉及一种制备浓缩碱金属次氯酸盐溶液的方法。 本发明的一个主题更具体地是一种制备浓缩漂白剂的方法，该漂白剂可以具有大于100个氯度的氯含量，并且具有低含量的氯酸盐。
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4.发明授权Aminoguanidine bicarbonate with particular properties and method for making same 有权具有特殊性质的氨基胍碳酸氢盐及其制备方法公开(公告)号：US06884912B1
公开(公告)日：2005-04-26
申请号：US10031113
申请日：2000-06-08
IPC分类号： C07C277/08 , C07C277/02 , C07C279/02 , C07C281/16
CPC分类号： C07C277/02 , C07C279/02
摘要： The invention concerns a method for making aminoguanidine bicarbonate from an aqueous solution of cyanamide and an aqueous solution of hydrazine in the presence of CO2. The invention is characterised in that it consists in proceeding with an amount of cyamide slightly higher than the stoichiometric quantity. The invention also concerns quasi-spherical agglomerates of aminoguanidine bicarbonate crystals.
摘要翻译： 本发明涉及一种在CO 2 2存在下由氨腈水溶液和肼水溶液制备氨基胍碳酸氢盐的方法。 本发明的特征在于其进行量稍高于化学计量的cyamide。 本发明还涉及氨基胍碳酸氢盐晶体的准球形附聚物。
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公开(公告)号：US20150239808A1
公开(公告)日：2015-08-27
申请号：US14695210
申请日：2015-04-24
IPC分类号： C07C17/25
CPC分类号： C07C17/25 , B01J19/0066 , B01J19/18 , B01J2219/00761 , C07C17/383 , C07C21/18
摘要： The subject of the invention is a process for the preparation of fluoroolefin compounds. It relates more particularly to a process for manufacturing a (hydro)fluoroolefin compound comprising (i) bringing at least one compound comprising from three to six carbon atoms, at least two fluorine atoms and at least one hydrogen atom, provided that at least one hydrogen atom and one fluorine atom are located on adjacent carbon atoms, into contact with potassium hydroxide in a stirred reactor, containing an aqueous reaction medium, equipped with at least one inlet for the reactants and with at least one outlet, in order to give the (hydro)fluoroolefin compound, which is separated from the reaction medium in gaseous form, and potassium fluoride, (ii) bringing the potassium fluoride formed in (i) into contact, in an aqueous medium, with calcium hydroxide in order to give potassium hydroxide and to precipitate calcium fluoride, (iii) separation of the calcium fluoride precipitated in step (ii) from the reaction medium and (iv) optionally, the reaction medium is recycled after optional adjustment of the potassium hydroxide concentration to step (i).
摘要翻译： 本发明的主题是制备氟烯烃化合物的方法。 本发明更具体地涉及一种制备（氢）氟代烯烃化合物的方法，其包括（i）使至少一种包含3至6个碳原子的化合物，至少2个氟原子和至少1个氢原子，条件是至少一个氢 原子和一个氟原子位于相邻碳原子上，在搅拌反应器中与氢氧化钾接触，该反应器含有反应物的至少一个入口和至少一个出口，该反应介质装有水性反应介质，以使（ 氢化）氟化烯烃化合物和氟化钾，（ii）使（i）中形成的氟化钾在水性介质中与氢氧化钙接触以产生氢氧化钾和 以沉淀氟化钙，（iii）将步骤（ii）中沉淀的氟化钙与反应介质分离，以及（iv）任选地，将反应介质在任选的 将氢氧化钾浓度调节至步骤（i）。
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公开(公告)号：US20120116133A1
公开(公告)日：2012-05-10
申请号：US13384256
申请日：2010-05-19
IPC分类号： C07C17/25
CPC分类号： C07C17/25 , C01F11/22 , C01P2004/61 , C01P2006/80 , C07C21/18
摘要： The invention relates to a method for preparing olefin fluorine compounds. Specifically, the invention relates to a method for producing a (hydro)fluoroolefin compound, including: (i) in an agitated reactor provided with at least one reactant inlet and at least one outlet, contacting, with potassium hydroxide in an aqueous reaction medium, at least one compound containing three to six carbon atoms, at least two fluorine atoms, and at least one hydrogen atom, with the proviso that at least one hydrogen atom and one fluorine atom are located on adjacent carbon atoms, so as produce the (hydro)fluoroolefin compound, separated in a gaseous state from the reaction medium and from potassium fluoride; (ii) in an aqueous medium, contacvting the potassium fluoride formed in step (i) with calcium hydroxide in a second reactor so as to produce potassium hydroxide and to precipitate calcium fluoride; (iii) separating the calcium fluoride precipitated in step (ii) from the reaction medium; and (iv) optionally recirculating the reaction medium after optionally recirculating the reaction medium after optionally adjusting the concentration of potassium hydroxide in step (i), characterized in that potassium hydroxide, with regard to the reaction medium of step (ii), is between 10 and 35 wt % of the weight of the water/potassium hydroxide mixture of the medium.
摘要翻译： 本发明涉及烯烃氟化合物的制备方法。 具体地说，本发明涉及一种（氢）氟代烯烃化合物的制备方法，包括：（i）在搅拌反应器中，在反应器中装有至少一个反应物入口和至少一个出口，与氢氧化钾在水性反应介质中接触， 至少一种含有三至六个碳原子，至少两个氟原子和至少一个氢原子的化合物，条件是至少一个氢原子和一个氟原子位于相邻碳原子上，以产生（氢 ）氟代烯烃化合物，其以气态从反应介质和氟化钾分离; （ii）在水性介质中，在第二反应器中将步骤（i）中形成的氟化钾与氢氧化钙接触，以产生氢氧化钾并沉淀氟化钙; （iii）将步骤（ii）中沉淀的氟化钙与反应介质分离; 和（iv）任选地在任选地调节步骤（ⅰ）中的氢氧化钾浓度之后任选地再循环反应介质后任选地再循环反应介质，其特征在于相对于步骤（ⅱ）的反应介质，氢氧化钾为10 和35重量％的介质的水/氢氧化钾混合物的重量。
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公开(公告)号：US20120022301A1
公开(公告)日：2012-01-26
申请号：US13144239
申请日：2010-01-12
IPC分类号： C07C17/23
CPC分类号： C07C17/25 , B01J19/0066 , B01J19/18 , B01J2219/00761 , C07C17/383 , C07C21/18
摘要： The subject of the invention is a process for the preparation of fluoroolefin compounds. It relates more particularly to a process for manufacturing a (hydro)fluoroolefin compound comprising (i) bringing at least one compound comprising from three to six carbon atoms, at least two fluorine atoms and at least one hydrogen atom, provided that at least one hydrogen atom and one fluorine atom are located on adjacent carbon atoms, into contact with potassium hydroxide in a stirred reactor, containing an aqueous reaction medium, equipped with at least one inlet for the reactants and with at least one outlet, in order to give the (hydro)fluoroolefin compound, which is separated from the reaction medium in gaseous form, and potassium fluoride, (ii) bringing the potassium fluoride formed in (i) into contact, in an aqueous medium, with calcium hydroxide in order to give potassium hydroxide and to precipitate calcium fluoride, (iii) separation of the calcium fluoride precipitated in step (ii) from the reaction medium and (iv) optionally, the reaction medium is recycled after optional adjustment of the potassium hydroxide concentration to step (i).
摘要翻译： 本发明的主题是制备氟烯烃化合物的方法。 本发明更具体地涉及一种制备（氢）氟代烯烃化合物的方法，其包括（i）使至少一种包含3至6个碳原子的化合物，至少2个氟原子和至少1个氢原子，条件是至少一个氢 原子和一个氟原子位于相邻碳原子上，在搅拌反应器中与氢氧化钾接触，该反应器含有反应物的至少一个入口和至少一个出口，该反应介质装有水性反应介质，以使（ 氢化）氟化烯烃化合物和氟化钾，（ii）使（i）中形成的氟化钾在水性介质中与氢氧化钙接触以产生氢氧化钾和 以沉淀氟化钙，（iii）将步骤（ii）中沉淀的氟化钙与反应介质分离，以及（iv）任选地，将反应介质在任选的 将氢氧化钾浓度调节至步骤（i）。
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公开(公告)号：US08809601B2
公开(公告)日：2014-08-19
申请号：US13384256
申请日：2010-05-19
IPC分类号： C07C17/25
CPC分类号： C07C17/25 , C01F11/22 , C01P2004/61 , C01P2006/80 , C07C21/18
摘要： The invention relates to a method for preparing olefin fluorine compounds. Specifically, the invention relates to a method for producing a (hydro)fluoroolefin compound, including: (i) in an agitated reactor provided with at least one reactant inlet and at least one outlet, contacting, with potassium hydroxide in an aqueous reaction medium, at least one compound containing three to six carbon atoms, at least two fluorine atoms, and at least one hydrogen atom, with the proviso that at least one hydrogen atom and one fluorine atom are located on adjacent carbon atoms, so as produce the (hydro)fluoroolefin compound, separated in a gaseous state from the reaction medium and from potassium fluoride; (ii) in an aqueous medium, contacting the potassium fluoride formed in step (i) with calcium hydroxide in a second reactor so as to produce potassium hydroxide and to precipitate calcium fluoride; (iii) separating the calcium fluoride precipitated in step (ii) from the reaction medium; and (iv) optionally recirculating the reaction medium after optionally recirculating the reaction medium after optionally adjusting the concentration of potassium hydroxide in step (i), characterized in that potassium hydroxide, with regard to the reaction medium of step (ii), is between 10 and 35 wt % of the weight of the water/potassium hydroxide mixture of the medium.
摘要翻译： 本发明涉及烯烃氟化合物的制备方法。 具体地说，本发明涉及一种（氢）氟代烯烃化合物的制备方法，包括：（i）在搅拌反应器中，在反应器中装有至少一个反应物入口和至少一个出口，与氢氧化钾在水性反应介质中接触， 至少一种含有三至六个碳原子，至少两个氟原子和至少一个氢原子的化合物，条件是至少一个氢原子和一个氟原子位于相邻碳原子上，以产生（氢 ）氟代烯烃化合物，其以气态从反应介质和氟化钾分离; （ii）在水性介质中，在步骤（i）中形成的氟化钾与第二反应器中的氢氧化钙接触，以产生氢氧化钾并沉淀氟化钙; （iii）将步骤（ii）中沉淀的氟化钙与反应介质分离; 和（iv）任选地在任选地调节步骤（ⅰ）中的氢氧化钾浓度之后任选地再循环反应介质后任选地再循环反应介质，其特征在于相对于步骤（ⅱ）的反应介质，氢氧化钾为10 和35重量％的介质的水/氢氧化钾混合物的重量。
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公开(公告)号：US06340452B1
公开(公告)日：2002-01-22
申请号：US08819063
申请日：1997-03-18
IPC分类号： C01B1510
CPC分类号： C01B15/103
摘要： The invention relates to a novel sodium percarbonate in the form of agglomerates of small crystals. The average particle size of the agglomerates is greater than 600 &mgr;m. The apparent density of the agglomerates is between 0.75 g/cm3 and 1.1 g/cm3, and the active oxygen is greater than 14%. The invention also relates to a process for the continuous manufacture of sodium percarbonate in a fluidized bed.
摘要翻译： 本发明涉及一种小晶体附聚物形式的新型过碳酸钠。 附聚物的平均粒径大于600μm。 附聚物的表观密度为0.75g / cm 3至1.1g / cm 3，活性氧大于14％。 本发明还涉及在流化床中连续制造过碳酸钠的方法。
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公开(公告)号：US09018429B2
公开(公告)日：2015-04-28
申请号：US13144239
申请日：2010-01-12
IPC分类号： C07C17/25 , C07C19/08 , C07C21/18 , C07C17/383
CPC分类号： C07C17/25 , B01J19/0066 , B01J19/18 , B01J2219/00761 , C07C17/383 , C07C21/18
摘要： The subject of the invention is a process for the preparation of fluoroolefin compounds. It relates more particularly to a process for manufacturing a (hydro)fluoroolefin compound comprising (i) bringing at least one compound comprising from three to six carbon atoms, at least two fluorine atoms and at least one hydrogen atom, provided that at least one hydrogen atom and one fluorine atom are located on adjacent carbon atoms, into contact with potassium hydroxide in a stirred reactor, containing an aqueous reaction medium, equipped with at least one inlet for the reactants and with at least one outlet, in order to give the (hydro)fluoroolefin compound, which is separated from the reaction medium in gaseous form, and potassium fluoride, (ii) bringing the potassium fluoride formed in (i) into contact, in an aqueous medium, with calcium hydroxide in order to give potassium hydroxide and to precipitate calcium fluoride, (iii) separation of the calcium fluoride precipitated in step (ii) from the reaction medium and (iv) optionally, the reaction medium is recycled after optional adjustment of the potassium hydroxide concentration to step (i).
摘要翻译： 本发明的主题是制备氟烯烃化合物的方法。 本发明更具体地涉及一种制备（氢）氟代烯烃化合物的方法，其包括（i）使至少一种包含3至6个碳原子的化合物，至少2个氟原子和至少1个氢原子，条件是至少一个氢 原子和一个氟原子位于相邻碳原子上，在搅拌反应器中与氢氧化钾接触，该反应器含有反应物的至少一个入口和至少一个出口，该反应介质装有水性反应介质，以使（ 氢化）氟化烯烃化合物和氟化钾，（ii）使（i）中形成的氟化钾在水性介质中与氢氧化钙接触以产生氢氧化钾和 以沉淀氟化钙，（iii）将步骤（ii）中沉淀的氟化钙与反应介质分离，以及（iv）任选地，将反应介质在任选的 将氢氧化钾浓度调节至步骤（i）。
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