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1. 发明专利

DE69926063T2 未知
公开(公告)号：DE69926063T2
公开(公告)日：2006-05-24
申请号：DE69926063
申请日：1999-04-06
申请人： NIPPON ZEON CO
发明人： KANAUCHI MASANOBU , ARIMORI YASUHIKO , NAKANO TOSHIHIRO
IPC分类号： C07C7/08 , B01D3/40 , B01D3/42 , C07C11/08 , C07C11/12 , C07C11/167 , C10G7/08 , C10G7/12
摘要： An apparatus for separating and purifying saturated hydrocarbon comprises an extractive distillation column to which a material containing an unsaturated hydrocarbon and a solvent are fed and in which the unsaturated hydrocarbon is separated and distilled, a sensor for measuring the concentration of an impurity in the extractive distillation column, a sensor for measuring the concentration of the unsaturated hydrocarbon, a sensor for measuring the pressure difference between the top and bottom of the distillation column, a control valve for controlling the amount of unsaturated hydrocarbon taken out from the bottom of the column and to be returned to the column, a control valve for controlling the amount of solvent, a control valve for controlling the amount of reflux, a heater for controlling the temperature at the bottom of the column, prediction control means for calculating prediction values of the concentration of the impurity, the concentration of the object, and the pressure difference based on the outputs of the sensors, and for performing control according to the prediction values. A method for separation and purification using the apparatus is also disclosed. By adopting the apparatus and method, the objective unsaturated hydrocarbon is stably taken out at a predetermined concentration irrespective of the variation of material component.

2. 发明专利

ES2242386T3 APARATO PARA LA SEPARACION Y PURIFICACION DE HIDROCARBUROS SATURADOS Y METODO DE SEPARACION Y PURIFICACION. 未知
公开(公告)号：ES2242386T3
公开(公告)日：2005-11-01
申请号：ES99910847
申请日：1999-04-06
申请人： NIPPON ZEON CO
发明人： KANAUCHI MASANOBU , ARIMORI YASUHIKO , NAKANO TOSHIHIRO
IPC分类号： B01D3/40 , B01D3/42 , C07C7/08 , C07C11/08 , C07C11/167 , C10G7/08 , C10G7/12 , C07C11/12
摘要： Un aparato de separación y purificación para un hidrocarburo insaturado, que comprende: una torre (4) de destilación extractiva suministrada con una materia prima que contiene hidrocarburos insaturados y un disolvente, y que destila la materia prima para separar y purificar un hidrocarburo insaturado diana; unos medios (23) de control de la relación de disolvente para controlar la relación del disolvente alimentado a la torre (4) de destilación extractiva; y unos medios (36) de control de la temperatura de la cola para controlar una temperatura de la cola de la torre (4) de destilación extractiva.

3. 发明专利

DE69926063D1 未知
公开(公告)号：DE69926063D1
公开(公告)日：2005-08-11
申请号：DE69926063
申请日：1999-04-06
申请人： NIPPON ZEON CO
发明人： KANAUCHI MASANOBU , ARIMORI YASUHIKO , NAKANO TOSHIHIRO
IPC分类号： B01D3/40 , B01D3/42 , C07C7/08 , C07C11/08 , C07C11/167 , C10G7/08 , C10G7/12 , C07C11/12
摘要： An apparatus for separating and purifying saturated hydrocarbon comprises an extractive distillation column to which a material containing an unsaturated hydrocarbon and a solvent are fed and in which the unsaturated hydrocarbon is separated and distilled, a sensor for measuring the concentration of an impurity in the extractive distillation column, a sensor for measuring the concentration of the unsaturated hydrocarbon, a sensor for measuring the pressure difference between the top and bottom of the distillation column, a control valve for controlling the amount of unsaturated hydrocarbon taken out from the bottom of the column and to be returned to the column, a control valve for controlling the amount of solvent, a control valve for controlling the amount of reflux, a heater for controlling the temperature at the bottom of the column, prediction control means for calculating prediction values of the concentration of the impurity, the concentration of the object, and the pressure difference based on the outputs of the sensors, and for performing control according to the prediction values. A method for separation and purification using the apparatus is also disclosed. By adopting the apparatus and method, the objective unsaturated hydrocarbon is stably taken out at a predetermined concentration irrespective of the variation of material component.

4. 发明公开

EP1083160A4 APPARATUS FOR SEPARATION AND PURIFICATION OF SATURATED HYDROCARBON AND METHOD FOR SEPARATION AND PURIFICATION 有权
标题翻译：设备，用于分离和清洁分离和清洁饱和烃和方法
公开(公告)号：EP1083160A4
公开(公告)日：2003-03-12
申请号：EP99910847
申请日：1999-04-06
申请人： NIPPON ZEON CO
发明人： KANAUCHI MASANOBU , ARIMORI YASUHIKO , NAKANO TOSHIHIRO
IPC分类号： B01D3/40 , B01D3/42 , C07C7/08 , C07C11/08 , C07C11/167 , C10G7/08 , C10G7/12 , C07C11/12
CPC分类号： C10G7/12 , B01D3/40 , B01D3/4244 , C07C7/08 , C10G7/08 , Y10S203/19 , Y10S208/01 , Y10S585/956
摘要： An apparatus for separating and purifying saturated hydrocarbon comprises an extractive distillation column to which a material containing an unsaturated hydrocarbon and a solvent are fed and in which the unsaturated hydrocarbon is separated and distilled, a sensor for measuring the concentration of an impurity in the extractive distillation column, a sensor for measuring the concentration of the unsaturated hydrocarbon, a sensor for measuring the pressure difference between the top and bottom of the distillation column, a control valve for controlling the amount of unsaturated hydrocarbon taken out from the bottom of the column and to be returned to the column, a control valve for controlling the amount of solvent, a control valve for controlling the amount of reflux, a heater for controlling the temperature at the bottom of the column, prediction control means for calculating prediction values of the concentration of the impurity, the concentration of the object, and the pressure difference based on the outputs of the sensors, and for performing control according to the prediction values. A method for separation and purification using the apparatus is also disclosed. By adopting the apparatus and method, the objective unsaturated hydrocarbon is stably taken out at a predetermined concentration irrespective of the variation of material component.

5. 发明专利

JPH11349499A APPARATUS AND METHOD FOR SEPARATING AND PURIFYING UNSATURATED HYDROCARBON 失效
公开(公告)号：JPH11349499A
公开(公告)日：1999-12-21
申请号：JP24356298
申请日：1998-08-28
申请人： NIPPON ZEON CO
发明人： KANOUCHI MASANOBU , ARIMORI YASUHIKO , NAKANO TOSHIHIRO
IPC分类号： B01D3/40 , B01D3/42 , C07C7/08 , C07C11/08 , C07C11/167 , C10G7/08 , C10G7/12
摘要： PROBLEM TO BE SOLVED: To stably take out an objective unsaturated hydrocarbon in a fixed concentration irrespective of variation of raw material components. SOLUTION: This apparatus for separating and purifying an unsaturated hydrocarbon has an extractive distillation column 4, for example, supplying a butadiene-containing raw material and a solvent, distilling and separating and purifying butadiene, specific impurity concentration sensors 32 and 34 except butadiene at a fixed position of the column 4, a butadiene concentration sensor at the column 4, a sensor 30 for difference in pressure between the top and the bottom of the column 4, a return flow rate control valve 48 for returning a part of a butadiene-containing fluid taken out from the bottom of the column 4 to the column 4, a control valve 23 for the amount of a solvent to be supplied to the column 4, a reflux flow rate control valve 28 for returning a part of the residual component of the raw material taken out from the top of the column 4 to the column 4, a control heater 36 for the temperature of the bottom of the column 4 and an estimating and controlling means 60 for calculating the estimated value of the concentration of a specific impurity after a fixed time, a butadiene concentration at the top of the column and difference in pressure between the top and the bottom of the column based on the these sensors and controlling the operations based on the estimated values.

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