ENDOTHERMIC REACTION APPARATUS AND METHOD

    公开(公告)号:MY138879A

    公开(公告)日:2009-08-28

    申请号:MYPI19941561

    申请日:1994-06-16

    Abstract: A COMPACT ENDOTHERMIC REACTION APPRATUS EMPLOYING METALLIC REACTION TUBES IN A CLOSE-PACK ARRANGEMENT USING OFFSET NOZZLE TUBES AND AN AIR DISTRIBUTION PLATE FOR INTRODUCING FUEL AND AIR INTO A COMBUSTION CHAMBER TO PRODUCE LONG ANG THIN FLAMES THEREBY TO AVOID EXCESSIVE LOCALIZED HEATING OF THE REACTION TUBES AND PROVIDE HIGH REACTION TUBE LIFE EXPECTANCY. ALSO, EXCESSIVE LOCALIZED HEATING OF THE REACTION TUBES AT THE INLET ENDS OF EXHAUST TUBES IS ILIMINITED AND PROVISION IS MADE FOR PREVENTING BUCKLING OF INDIVIDUAL REACTION TUBES THAT MAY BE SUBJECTED TO HIGHER THAN AVERAGE REACTION TUBE TEMPERATURES.

    PROCESS FOR RECOVERING ACRYLONITRILE OR METHACRYLONITRILE

    公开(公告)号:AU2003298927A1

    公开(公告)日:2004-08-10

    申请号:AU2003298927

    申请日:2003-12-05

    Abstract: A process for the recovery of acrylonitrile or methacrylonitrile from an aqueous solution comprising subjecting the said solution to a water extractive distillation by feeding the solution to a distillation column and performing said extractive distillation and using solvent water introduced at the top of said column, removing a first overhead vapor stream of acrylonitrile or methacrylonitrile with some water from the top of the column, and a first liquid stream containing water and impurities from the bottom of the column, the contents of said column maintained at a substantially neutral pH by adding a sufficient amount of at least one alkaline compound selected from ammonium carbonate, ammonium bicarbonate, ammonium carbamate, and alkylene diamines to the overhead decanter and/or to the solvent water.

    PROCESS FOR THE ELECTROCATALYTIC CONVERSION OF LIGHT HYDROCARBONS TO SYNTHESIS GAS

    公开(公告)号:MY103617A

    公开(公告)日:1993-08-28

    申请号:MYPI19881109

    申请日:1988-10-04

    Abstract: AN ELECTROCATALYTIC PROCESS IS DESCRIBED FOR PRODUCING SYNTHESIS GAS FROM LIGHT HYDROCARBONS SUCH AS METHANE OR NATURAL GAS. THE PROCESS GENERALLY COMPRISES THE STEPS OF(A)PROVIDING AN ELECTROCHEMICAL CELL COMPRISING A SOLID ELECTROLYTE HAVING A FIRST SURFACE COATED WITH CONDUCTIVE METAL, METAL OXIDE OR MIXTURES THEREOF CAPABLE OF FACILITATING THE REDUCTION OF OXIGEN TO OXIGEN IONS, AND A SECOND SURFACE COATED WITH CONDUCTIVE METAL, METAL OXIDE OR MIXTURES THEREOF, PROVIDED THAT BOTH COATING ARE STABLE AT THE OPERATING TEMPERATURES,(B)HEATING THE CELL TO A TEMPERATURE OF AT LEAST 1000?C.(C)PASSING AN OXYGEN-CONTAINING GAS IN CONTACT WITH THE FIRST CONDUCTIVE COATING;(D)PASSING METHANE, NATURAL GAS OR OTHER LIGHT HYDROCARBONS IN CONTACT WITH THE SECOND CONDUCTIVE COATING, AND;(E)RECOVERING SYNTHESIS GAS.

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