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    Continuous and Batch Reactors

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    Talib Al_Munawri
    Director-General
    Director-General

    Posts : 337
    Join date : 2009-07-03
    Age : 30
    Location : Sultanate of Oman

    Continuous and Batch Reactors

    Post by Talib Al_Munawri on Fri Sep 04, 2009 12:40 pm

    Continuous and Batch Reactors


    Industrial manufacturers use two basic methods of reactors
    Batch and continuous reactors.

    In a batch operation, raw materials are added to a reactor in batches.

    Continuous reactor , adds raw materials incrementally to the reactor.
    Finished products flow out while raw materials flow in continuously


    Batch Reactor


    A typical batch reactor consists of a tank with an agitator & integral heating/cooling system.
    These vessels may vary in size from less than 1 litre to more than 15,000 litres.
    They are usually fabricated in steel, stainless steel, glass lined steel.



    Stirred Reactor


    Stirred reactors are equipped with a number of safety features: pressure relief systems, quench systems, process variable alarms, and automatic shutdown controls.

    Quench systems are designed to stop the reaction process. Pressure relief systems are sized to handle and contain any release from the reactor.


    Batch Stirred tank Reactor



    Autoclave" or batch reactor
    A stirred tank reactor is often referred to as an "autoclave" or
    batch reactor, used in both reaction processes
    The basic features are long reaction times, mechanical agitation,
    and a method of cooling or heating the reaction.

    Stirred tank reactors are used for reactions that require a long
    reaction time and for reactions of slurry or thick liquid


    Alkylation Stirred Reactor



    Alkylation units take two small molecules, isobutane and olefin (propylene, butylenes, or pentylenes), and combine them into one large molecule of
    high-octane liquid called alkylate.

    This combining process takes place inside a reactor filled
    with an acid catalyst.
    Alkylate is a superior antiknock product that is used in blending unleaded gasoline





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