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    Method of preparing supported oxidation catalysts for producing ethylene oxide
    2.
    发明授权
    Method of preparing supported oxidation catalysts for producing ethylene oxide 失效
    制备支持氧化乙烯的氧化催化剂的方法

    公开(公告)号：US3663455A

    公开(公告)日：1972-05-16

    申请号：US3663455D

    申请日：1969-11-19

    Applicant: SIR SOC ITALIANA RESINE SPA

    Inventor： CALCAGNO BENEDETTO ,  FERLAZZO NATALE ,  GHIRGA MARCELLO

    IPC: B01J23/48 ,  B01J23/50 ,  C07B61/00 ,  C07D301/10 ,  B01J11/82

    CPC classification number: C07D301/10 ,  B01J23/48 ,  Y02P20/52 ,  Y10S502/512

    Abstract: A METHOD FOR PREPARING A SUPPORTED CATALYST FOR USE IN OXIDIZING ETHYLENE TO ETHYLENE OXIDE, SAID SUPPORTED CATALYST CONSISTING ESSENTIALLY OF SILVER TO THE EXTENT OF 7 TO 30% BY WEIGHT WITH RESPECT TO THE SUPPORT, AND OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM AND GOLD TO AN EXTENT OF FROM 0.01 TO 1.0% BY WEIGHT WITH RESPECT TO SAID SILVER, WHICH COMPRISES: (A) IMPREGNATING A SOLID, INERT SUBDIVIDED SUPPORT, AT A TEMPERATURE OF FROM 60* C.TO 115* C., WITH A SOLUTION OF SILVER LACTATE IN LACTIC ACID CONTAINING IN SUSPENSION, CARBON AND AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF PALLADIUM, PLATINUM AND GOLD, SAID LACTIC ACID BEING PRESENT IN A MOLAR EXCESS OF FROM 20% TO 200% WITH RESPECT TO THE NUMBER OF MOLS REQUIRED FOR COMPLETE SALIFICATION OF SAID SILVER. (B) DRYING THE PARTICLES THUS IMPREGNATED IN A STREAM OF AIR AT A TEMPERATURE RISING TO A MAXIMUM, BUT NOT EXCEEDING 130* C. FOR A PERIOD OF FROM 1 TO 3 HOURS, AND (C) SUBJECTING THE PARTICLES THUS IMPREGNATED TO A HEAT TREATMENT, SAID TEMPERATURE BEING RAISED GRADUALLY TO A MAXIMUM LEVEL OF BETWEEN 230* C. AND 360* C. OVER A PERIOD OF 10 TO 15 HOURS.

    Method of producing dichloroethane
    4.
    发明授权
    Method of producing dichloroethane 失效
    二氯乙烷生产方法

    公开(公告)号：US3911036A

    公开(公告)日：1975-10-07

    申请号：US27661372

    申请日：1972-07-31

    Applicant: SIR SOC ITALIANA RESINE SPA

    Inventor： DI FIORE LUCIO ,  CALCAGNO BENEDETTO

    IPC: B01J27/00 ,  C07C17/00 ,  C07C17/02 ,  C07C19/045 ,  C07C67/00

    CPC classification number: C07C17/02 ,  C07C19/045

    Abstract: Dichloroethane is made by part conversion of ethylene with chlorine in a boiling dichloroethane medium followed by separation of dichloroethane product from unconverted ethylene and conversion of that ethylene in a similar but cooled medium, the product from the cooled conversion stage being recycled to the boiling conversion stage.

    Abstract translation: 二氯乙烷通过乙烯与氯在沸腾的二氯乙烷介质中的部分转化而制备，然后将二氯乙烷产物与未转化的乙烯分离，并将该乙烯在相似但冷却的介质中进行转化，将来自冷却的转化段的产物再循环至沸腾转化阶段 。

    Method for producing polymers of ethylene
    5.
    发明授权
    Method for producing polymers of ethylene 失效
    生产乙烯聚合物的方法

    公开(公告)号：US3707530A

    公开(公告)日：1972-12-26

    申请号：US3707530D

    申请日：1969-11-19

    Applicant: SIR SOC ITALIANA RESINE SPA

    Inventor： CALCAGNO BENEDETTO ,  COLOMBO PAOLO ,  LIVRAGHI GIOVANNI

    IPC: C08F2/00 ,  C08F10/02 ,  C08F1/42 ,  C08F3/06

    CPC classification number: C08F10/02 ,  Y10S526/907 ,  C08F4/685

    Abstract: A PROCESS FOR THE PREPARATION OF ETHYLENE POLYMERS WHICH COMPRISES CONTACTING AT TEMPERATURES BETWEEN 50* AND 80*C. AND A PRESSURE RANGING FROM BELOW ATMOSPHERIC PRESSURE UP TO FIVE ATMOSPHERES, GASEOUS ETHYLENE WITH A CATALYTIC SOLUTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A SATURATED ALIPHATIC HYDROCARBON SOLVENT, A CYCLO-ALIPHATIC HYDROCARBON SOLVENT, AND AN AROMATIC HYDROCARBON SOLVENT, AND A THREE-COMPONENT SYSTEM SELECTED FROM THE GROUP CONSISTING OF: (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF VANADIUM OXYCHLORIDE AND VANADIUM OXYACETYL ACETONATE; (B) TITANIUM TETRACHLORIDE; AND (C) A MEMBER SELECTED FROMTHE GROUP CONSISTING OF AN ALUMINUM DIALKYLCHLORIDE OF THE FORMULA AIR2CL, AN ALUMINUM ALKYL DICHLORIDE OF THE FORMULA AIRCL2, AND AN ALKYL ALUMINUM SESQUINCHLORIDE OF THE FORMULA AL2R3CL3; WHEREIN R REPRESENTS AN ALKYL RADICAL HAVING FROM 1 TO 10 CARBON ATOMS, SAID ATOMIC RATIO BETWEEN SAID VANADIUM AND SAID TITANIUM RANGING BETWEEN 0.075 AND 0.3, SAID ATOMIC RATIO BETWEEN SAID ALUMINUM AND SAID VANADIUM RANGING BETWEEN 4 AND 15, AND SAID CATALYTIC SOLUTIONS BEING PREPARED BY: (1) CONTACTING IN SAID HYDROCARBON SOLVENT, CATALYSTS (A) AND (B) WITH 20-80% BY WEIGHT OF THE OVERALL THREE-COMPONENT CATALYTIC SYSTEM OF CATALYST (C), AT A TEMPERATURE OF FROM-20*+20*C., (2) RIPENING SAID SOLUTION DURING A PERIOD OF FROM 1-25 HOURS AND AT A TEMPERATURE OF FROM-20* TO +20*C., AND (3) ADDING, AFTER THE REPINING PERIOD, THE REMAINING QUANTITY OF CATALYST (C) AT A TEMPERATURE OF FROM 50-120*C.

    Recovery of ethylene glycol by plural stage distillation using vapor compression as an energy source
    7.
    发明授权
    Recovery of ethylene glycol by plural stage distillation using vapor compression as an energy source 失效
    通过使用蒸汽压缩作为能量来源的平台蒸馏回收乙烯甘油

    公开(公告)号：US3875019A

    公开(公告)日：1975-04-01

    申请号：US42857873

    申请日：1973-12-26

    Applicant: SIR SOC ITALIANA RESINE SPA

    Inventor： COCUZZA GIOACCHINO ,  MONTORO ITALO ,  CALCAGNO BENEDETTO

    IPC: C07C29/10 ,  B01J27/00 ,  B01J31/00 ,  C07B61/00 ,  C07C20060101 ,  C07C27/00 ,  C07C29/132 ,  C07C29/74 ,  C07C31/20 ,  C07C67/00 ,  C07C29/26 ,  C12F1/04

    CPC classification number: B01D53/263 ,  C07C29/80 ,  Y02P20/52 ,  C07C31/202

    Abstract: An improved process for the separation of ethylene glycol from the dilute aqueous glycol solutions originating from the hydrolysis of ethylene oxide by multi-stage evaporation of the glycol solutions and subsequent rectification of the concentrated aqueous glycol solutions, wherein the improvement comprises: SUBJECTING THE DILUTE AQUEOUS GLYCOL SOLUTIONS TO MULTI-STAGE EVAPORATION AT DECREASING PRESSURES TO OBTAIN, IN THE LAST STAGE, AN AQUEOUS SOLUTION CONTAINING ABOUT 70 TO 80% BY WEIGHT OF GLYCOLS; SUBJECTING THE AQUEOUS GLYCOL SOLUTION COMING FROM THE LAST STAGE OF THE MULTI-STAGE EVAPORATION TO RECTIFICATION IN A RECTIFICATION COLUMN IN ORDER TO SEPARATE THE RESIDUAL WATER; REMOVING THE VAPOURS COMING FROM THE LAST STAGE OF THE MULTISTAGE EVAPORATOR AND USING THEM AS A HEATING MEANS IN THE REBOILER OF THE RECTIFICATION COLUMN AFTER PREVIOUS THERMAL OR MECHANICAL COMPRESSION; REMOVING THE CONDENSATE COMING FROM THE REBOILER OF THE RECTIFICATION COLUMN AND USING IT FOR WASHING OF THE VAPOURS GENERATED IN THE LAST STAGE OF THE MULTI-STAGE EVAPORATION, WEIGHT RATIOS OF WASH WATER TO VAPOURS GENERATED OF FROM ABOUT 1:1 TO 1:10 BEING MAINTAINED; REMOVING THE WASH SOLUTION FROM THE LAST STAGE OF THE MULTISTAGE EVAPORATION AND RECYCLING IT TO A PRECEDING STAGE, PREFERABLY TO THE FIRST.

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