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公开(公告)号：US4980933A
公开(公告)日：1991-01-01
申请号：US375215
申请日：1989-07-03
CPC分类号： E03D9/08 , F24D19/1051 , G05D23/1393
摘要： A washing device for parts of human body comprises a thermostatic mixing valve which is disposed at a junction of a cold water supply passage and a heated water supply passage, a latching solenoid valve which is mounted on a heated water drainage passage branched out from said heated water supply passage and a latching solenoid valve which is mounted on a mixed hot water supply passage. Due to such construction, electric power for heating water is no longer necessary in the toilet bowl and electric power for mixing heated water and cold water to produce mixed hot water to be ejected from an ejecting nozzle also becomes unnecessary. Furthermore, electric power for operating the solenoid valve is minimized by means of a latching solenoid. Accordingly, the overall consumption of electric power necessary for operating and controlling the washing device can be minimized thus enabling the use of a small dry cell or battery as an electric power source of the washing device.
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公开(公告)号：US08513472B2
公开(公告)日：2013-08-20
申请号：US13124973
申请日：2009-10-19
IPC分类号： C07C27/04
CPC分类号： C07C29/149 , C07C29/80 , C07C31/20
摘要： There is provided a process for preparing 1,6-hexanediol by esterifying a carboxylic acid mixture resulted from oxidation of cyclohexane with oxygen, and then hydrogenating the esters, which substantially does not contain a compound leading to a high ester value.A process for preparing 1,6-hexanediol from a carboxylic acid mixture containing adipic acid and 6-hydroxycaproic acid, the carboxylic acid mixture is obtained as a by-product in oxidization of cyclohexane to cyclohexanone/cyclohexanol using oxygen or an oxygen-containing gas, the process comprises esterifying the acids with an alcohol, followed by hydrogenation, and the process is characterized by comprising the following steps of: a) separating a component having a boiling point lower than that of water and the alcohol used in the esterification from a mixture obtained by the hydrogenation in a first distillation step; b) separating an EV component having a boiling point higher than that of 1,6-hexanediol further in a second distillation step; c) separating an EV component having a boiling point lower than that of 1,6-hexanediol further in a third distillation step; and then d) obtaining 1,6-hexanediol in a fourth distillation step, in this order.
摘要翻译： 提供了通过用氧气将环己烷氧化产生的羧酸混合物酯化制备1,6-己二醇然后氢化基本上不含导致高酯值的化合物的酯的方法。 从含有己二酸和6-羟基己酸的羧酸混合物制备1,6-己二醇的方法，羧酸混合物是使用氧或含氧气体将环己烷氧化成环己酮/环己醇的副产物 ，该方法包括用醇将酸酯化，然后氢化，该方法的特征在于包括以下步骤：a）将沸点低于水的组分和用于酯化的醇从 在第一蒸馏步骤中通过氢化获得的混合物; b）在第二蒸馏步骤中进一步分离沸点高于1,6-己二醇的EV组分; c）在第三蒸馏步骤中进一步分离沸点低于1,6-己二醇的EV组分; 然后d）在第四蒸馏步骤中依次得到1,6-己二醇。
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公开(公告)号：US20110201848A1
公开(公告)日：2011-08-18
申请号：US13124973
申请日：2009-10-19
IPC分类号： C07C29/136 , C07C35/14
CPC分类号： C07C29/149 , C07C29/80 , C07C31/20
摘要： There is provided a process for preparing 1,6-hexanediol by esterifying a carboxylic acid mixture resulted from oxidation of cyclohexane with oxygen, and then hydrogenating the esters, which substantially does not contain a compound leading to a high ester value.A process for preparing 1,6-hexanediol from a carboxylic acid mixture containing adipic acid and 6-hydroxycaproic acid, the carboxylic acid mixture is obtained as a by-product in oxidization of cyclohexane to cyclohexanone/cyclohexanol using oxygen or an oxygen-containing gas, the process comprises esterifying the acids with an alcohol, followed by hydrogenation, and the process is characterized by comprising the following steps of: a) separating a component having a boiling point lower than that of water and the alcohol used in the esterification from a mixture obtained by the hydrogenation in a first distillation step; b) separating an EV component having a boiling point higher than that of 1,6-hexanediol further in a second distillation step; c) separating an EV component having a boiling point lower than that of 1,6-hexanediol further in a third distillation step; and then d) obtaining 1,6-hexanediol in a fourth distillation step, in this order.
摘要翻译： 提供了通过用氧气将环己烷氧化产生的羧酸混合物酯化制备1,6-己二醇然后氢化基本上不含导致高酯值的化合物的酯的方法。 从含有己二酸和6-羟基己酸的羧酸混合物制备1,6-己二醇的方法，羧酸混合物是使用氧或含氧气体将环己烷氧化成环己酮/环己醇的副产物 ，该方法包括用醇将酸酯化，然后氢化，该方法的特征在于包括以下步骤：a）将沸点低于水的组分和用于酯化的醇从 在第一蒸馏步骤中通过氢化获得的混合物; b）在第二蒸馏步骤中进一步分离沸点高于1,6-己二醇的EV组分; c）在第三蒸馏步骤中进一步分离沸点低于1,6-己二醇的EV组分; 然后d）在第四蒸馏步骤中依次得到1,6-己二醇。
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公开(公告)号：US08304585B2
公开(公告)日：2012-11-06
申请号：US12087422
申请日：2007-01-12
CPC分类号： C07C29/149 , C07C29/80 , C07C67/03 , C07C67/08 , C07C69/675 , C07C69/44 , C07C31/20
摘要： A method is provided for producing highly pure 1,6-hexanediol in which the contents of impurities such as 1,4-cyclohexanediol, 1,5-hexanediol, 1,2-cyclohexanediol, 1,7-pentanediol, 1,5-pentanediol and high boiling point components are significantly reduced. The process contains the steps of (1) treating an aqueous extraction concentrate of a reaction mixture obtained by oxidation of cyclohexane with a lower alcohol to esterify monocarboxylic acids and dicarboxylic acids contained in the extract, and simultaneously removing and separating by distillation water, excess lower alcohols and carboxylic acid esters; (2) converting oligomer esters contained in the bottom liquid to carboxylic acid esters by depolymerizing the oligomer esters at a high temperature and high pressure in the presence of a lower alcohol and a catalyst; and (3) hydrogenating the carboxylic acid esters distilled off in step (1) and the carboxylic acid esters obtained in step (2) either respectively or collectively to convert to 1,6-hexanediol.
摘要翻译： 提供了一种制备高纯度1,6-己二醇的方法，其中杂质含量如1,4-环己二醇，1,5-己二醇，1,2-环己二醇，1,7-戊二醇，1,5-戊二醇 高沸点成分显着降低。 该方法包括以下步骤：（1）通过用低级醇将环己烷氧化得到的反应混合物的水提取浓缩物处理以酯化提取物中所含的一元羧酸和二羧酸，同时通过蒸馏水除去和分离，过量的 醇和羧酸酯; （2）通过在低级醇和催化剂的存在下在高温高压下使低聚物酯解聚，将底部液体中所含的低聚物酯转化为羧酸酯; 和（3）分别或共同地氢化步骤（1）中馏出的羧酸酯和步骤（2）中获得的羧酸酯以转化为1,6-己二醇。
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公开(公告)号：US20090048471A1
公开(公告)日：2009-02-19
申请号：US12087422
申请日：2007-01-12
IPC分类号： C07C29/48
CPC分类号： C07C29/149 , C07C29/80 , C07C67/03 , C07C67/08 , C07C69/675 , C07C69/44 , C07C31/20
摘要： A method is provided for obtaining highly pure 1,6-hexanediol in which the contents of impurities such as 1,4-cyclohexanediol, 1,5-hexanediol, 1,2-cyclohexanediol, 1,7-pentanediol, 1,5-pentanediol and high boiling point components are significantly reduced.This process for producing 1,6-hexanediol from cyclohexane comprises the steps of: (1) treating an aqueous extraction concentrate of a reaction mixture obtained by oxidation of cyclohexane with a lower alcohol to esterify monocarboxylic acids and dicarboxylic acids contained in the extract, and simultaneously remove and separate by distillation water, excess lower alcohols and carboxylic acid esters; (2) converting oligomer esters contained in the bottom liquid to carboxylic acid esters by depolymerizing the oligomer esters at a high temperature and high pressure in the presence of a lower alcohol and a catalyst; and (3) hydrogenating the carboxylic acid esters distilled off in the step (1) and the carboxylic acid esters obtained in the step (2) either respectively or collectively to convert to 1,6-hexanediol.
摘要翻译： 提供了一种获得高纯度1,6-己二醇的方法，其中杂质含量如1,4-环己二醇，1,5-己二醇，1,2-环己二醇，1,7-戊二醇，1,5-戊二醇 高沸点成分显着降低。 用于从环己烷生产1,6-己二醇的方法包括以下步骤：（1）通过用低级醇氧化环己烷得到的反应混合物的水提取浓缩物，以酯化提取物中所含的一元羧酸和二羧酸， 同时通过蒸馏水，过量的低级醇和羧酸酯去除和分离; （2）通过在低级醇和催化剂的存在下在高温高压下使低聚物酯解聚，将底部液体中所含的低聚物酯转化为羧酸酯; 和（3）分别或共同地氢化步骤（1）中蒸馏的羧酸酯和步骤（2）中获得的羧酸酯以转化为1,6-己二醇。
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