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    11.
    发明专利
    未知

    公开(公告)号：FI874808A

    公开(公告)日：1988-05-04

    申请号：FI874808

    申请日：1987-11-02

    Applicant: STAMICARBON

    Inventor： JONCKERS KEES ,  BURKS HENK CHRISTIAAN

    IPC: B01D1/22 ,  B01D1/06 ,  C07C67/00 ,  C07C239/00 ,  C07C273/04 ,  C07C273/16 ,  F28F13/04 ,  B01D

    Abstract: Process for concentrating a urea solution passing as a film along the inside of the tubes (2) of a vertical tube bundle the heat required being substantially generated by condensation of a gas mixture in a area provided around the bundle of tubes, the gas mixture being supplied to the area near one end of the tube bundle (2) and the urea solution to the other end of the tube bundle (2), and being passed substantially upwards through the heating area and it is ensured that the gas mixtureor condensate cannot flow back. Installation for carrying out the process wherein the heating area is divided into compartment by means of horizontal baffles (3) allowing an upwardly directed flow of the gas mixture and the condensate.

    12.
    发明专利
    未知

    公开(公告)号：AT33132T

    公开(公告)日：1988-04-15

    申请号：AT84201600

    申请日：1984-11-06

    Applicant: STAMICARBON

    Inventor： JONCKERS KEES

    IPC: C07C67/00 ,  C07C239/00 ,  C07C273/04 ,  C07C126/02

    Abstract: Process for preparing urea in which,… in a synthesis zone, at a pressure of 125-350 bar and at the temperature belonging thereto, a urea synthesis solution containing carbamate and free ammonia is formed from carbon dioxide and an excess of ammonia,… in a first decomposition step, at synthesis pressure or lower, a part of the carbamate is decomposed by supply of heat and the gas phase obtained in this process is condensed in a first condensition zone,… in a second decomposition step, at a pressure of 4-40 bar, a further part of the carbamate still present is decomposed by supply of heat and the gas phase formed is separated off,… in a further step, the remaining carbamate is removed in the form of a gas mixture containing ammonia and carbon dioxide, and this gas mixture is processed to form a solution of ammonia and carbon dioxide in water,… and the remaining urea-containing solution is processed to form a concentrated urea solution. … The urea solution to be concentrated is introduced into the tubes of a shell and tube heat exchanger, the gas mixture from the second decomposition step is led into the shell side of heat exchanger at the end opposite the place where the urea solution to be concentrated is fed, the solution of ammonia and carbon dioxide in water is fed to the said shell side at a place located between the inlet for the gas mixture and the inlet for the urea solution to be concentrated, and the condensate is discharged from the shell side at the end where the urea solution is led into the tubes.

    14.
    发明专利
    未知

    公开(公告)号：FI71501B

    公开(公告)日：1986-10-10

    申请号：FI773282

    申请日：1977-11-02

    Applicant: STAMICARBON ,  UNIE VAN KUNSTMESTFAB BV

    Inventor： BIERMANS ANDREAS JOHANNES ,  JONCKERS KEES

    IPC: B01D20060101 ,  B01D3/00 ,  B01D3/14 ,  B01D3/34 ,  B01D53/00 ,  B01D53/04 ,  B01D53/14 ,  B01D57/00 ,  C01B20060101 ,  C01B3/20 ,  C01B32/50 ,  C01C20060101 ,  C01C1/02 ,  C01C1/10 ,  C01C1/12 ,  C07C1/12 ,  C07C273/04

    Abstract: Procedure for separately recovering substantially pure NH3 and substantially pure CO2 from a composition comprising NH3 and CO2, which method comprises treating said composition sequentially through three separation zones of which the NH3 separation zone is operated so that a gaseous phase of substantially pure NH3 and a liquid phase boiling at a constant temperature and containing NH3, CO2 and water are obtained, the liquid phase of which is passed to the CO2 separation zone, an area that is made to work so that Obtain a gas phase of substantially pure CO2 and a residual liquid phase that boils at a constant temperature and that contains NH3, CO2 and water, the residual liquid phase of which is passed to a desorption zone where substantially all of the NH3, CO2 and part from the water they are removed in the form of a gas phase and are fed at least partially to the NH3 separation zone. (Machine-translation by Google Translate, not legally binding)

    16.
    发明专利
    未知

    公开(公告)号：BR0213004B1

    公开(公告)日：2014-05-20

    申请号：BR0213004

    申请日：2002-09-26

    Applicant: STAMICARBON ,  DSM IP ASSETS BV

    Inventor： JONCKERS KEES ,  MEESSEN JOSEF HUBERT

    IPC: C07C273/04

    Abstract: The invention relates to a process for the preparation of urea from ammonia and carbon dioxide with the application of a synthesis reactor, a condenser, a scrubber and a stripper, wherein an outlet of the stripper, through which a gas stream is discharged during operation, is functionally connected to the inlet of the condenser and to the inlet of the reactor and wherein an outlet of the condenser is functionally connected to an inlet of the scrubber and wherein the obtained reaction mixture is stripped in the stripper in countercurrent with one of the starting materials, wherein the division of the gas stream from the stripper to the condenser and the reactor is completely or partly controlled by one or more controlling elements present in the non-common part of the functional connection between the outlet of the stripper and the inlet of the condenser and/or the inlet of the reactor.

    PROCESS AND INSTALATION FOR CONCENTRATING A UREA SOLUTION
    17.
    发明专利
    PROCESS AND INSTALATION FOR CONCENTRATING A UREA SOLUTION 未知

    公开(公告)号：BG60206B2

    公开(公告)日：1993-12-30

    申请号：BG8163987

    申请日：1987-11-02

    Applicant: STAMICARBON

    Inventor： JONCKERS KEES ,  BURKS HENK C

    IPC: B01D1/22 ,  B01D1/06 ,  C07C67/00 ,  C07C239/00 ,  C07C273/04 ,  C07C273/16 ,  F28F13/04

    Abstract: Said process and installation are used in the manufacture of fertilizers and resins. The process for concentrating a urea solution method passing as a film along the inside of the tubes of a vertical tube bundle is carried out as heat required for the evaporartion is substantitially generated by condensation of a gas mixture containing NH3, CO2 and H2O in a area provided around the bundle oftubes. The gas mixture is supplied to the area near one end of the tube boundle, and the urea solution is supplied to the other end of the tube bundle and is passed substantially upwards through the heating area, thus ensuring that the gas mixture or condensate cannot flow back. In the installation, the heating area is divided in to compartments by means of horizontal baffles allowing an upwardly directed flow of the gas mixture and the condensate.

    18.
    发明专利
    未知

    公开(公告)号：MX168831B

    公开(公告)日：1993-06-10

    申请号：MX900587

    申请日：1987-10-28

    Applicant: STAMICARBON

    Inventor： JONCKERS KEES ,  BURKS HENK CHRISTIAAN

    IPC: B01D1/06 ,  B01D1/22 ,  C07C67/00 ,  C07C239/00 ,  C07C273/04 ,  C07C273/16 ,  F28F13/04

    Abstract: Process for concentrating a urea solution passing as a film along the inside of the tubes (2) of a vertical tube bundle the heat required being substantially generated by condensation of a gas mixture in a area provided around the bundle of tubes, the gas mixture being supplied to the area near one end of the tube bundle (2) and the urea solution to the other end of the tube bundle (2), and being passed substantially upwards through the heating area and it is ensured that the gas mixtureor condensate cannot flow back. Installation for carrying out the process wherein the heating area is divided into compartment by means of horizontal baffles (3) allowing an upwardly directed flow of the gas mixture and the condensate.

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