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  • 7/26/2019 Lecture51999 (1)

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    EAS 140, Lecture 5Chemical Engineering

    Director of Undergraduate Studies:

    Professor Kofke, 510 Furnas

    Director of Graduate Studies:

    Professor Mountziaris, 905 Furnas

    Cair

    Professor !und, "0# Furnas

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    Looking Back to the Turn of the LastCentury...

    Fear tat soon it $ou%d not &e 'ossi&%e to feed a%%

    te 'eo'%e in te $or%d(

    Ce)ica% *ngineers so%+ed te 'ro&%e)

    -a&er .191/ o&e% Prize23osc

    Process for s4ntesis of a))onia

    nd no$ at te turn of te 60 tcentur4:

    G%o&a% $ar)ing Protection of te en+iron)ent

    De'%etion of natura% resources

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    Ammonia Synthesis lant

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    !o"s CEs #o

    F%o$ .'u)'2co)'ressor size, 'i'e size,

    'ressure dro's troug e7ui')ent

    8eactor Design2 8eaction *ngineering

    -eating, Coo%ing, 8efrigeration, -eat ransfer

    Materia%s .'o%4)ers, )eta%s, cera)ics,

    cata%4sts s4ntesis and2or se%ection

    Se'aration .reactants, fina% 'roducts &4

    )an4 )etods .disti%%ation, a&sor'tion,

    adsor'tion, cr4sta%%ization, etc(

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    !o"s CEs #o

    P%ant Design 2 Process 'ti)ization

    Safet4

    P%ant 'eration

    *n+iron)enta% 2 ;aste reat)ent Sa%es, Marketing, Distri&ution

    !a$, Medicine, Manage)ent

    *ducation

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    Tools CEs $se

    Mate)atics .a%ge&ra, ca%cu%us, differentia%

    e7uations, nu)erica% )etods Ce)istr4 .inorganic, organic, '4sica%

    Mass, *nerg4 and Mo)entu) 3a%ances

    er)od4na)ics and Kinetics rans'ort Peno)ena 2 ransfer 'erations

    Unit 'erations

    Process Contro% < 'ti)ization Process Si)u%ators

    Mode%ing and Co)'utation

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    %n&ustries that Em'loy CEs Petro%eu), 'etroce)ica%, ce)ica%

    P%astics 2 'o%4)ers

    Par)aceutica%

    Fine and ig 'erfor)ance ce)ica%s

    Food

    Microe%ectronics

    3iotecno%og4uto)o&i%e

    *ducation and Professiona%

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    CE Case Stu&y#issolution (inetics

    Consider )aking te cata%4st for a))onia

    s4ntesis

    Pri)ari%4 iron $it added a%u)ina and 'otassiu)

    Cata%4tic 'erfor)ance is se+ere%4 degraded &4i)'urities

    8a$ )ateria% .'era's ore contains )an4, )an4

    i)'urities

    erefore need to 'urif4 it

    ne $a4 is to disso%+e te iron fro) te ore and ten re=

    cr4sta%%ize it or 'reci'itate it in 'ure for)

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    CE Case Stu&yTime is )))* Energy is )))* E+erything is )))

    eed to kno$ o$ fast te ore $i%% disso%+e

    Deter)ines o$ &ig te e7ui')ent is and2or o$ %ong te

    disso%ution 'rocess runs

    *>'ect te rate of disso%ution .o$ fast it disso%+es )a4 cange if

    oter factors cange

    ? agitation .stirring

    ? te)'erature

    Perfor) an e>'eri)ent to o&tain te rate data needed

    Use te e>'eri)enta% data to de+e%o' a )ode% .i(e( )ate7uations for te rate of disso%ution

    en can use te )ode% to design te e7ui')ent

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    CE Case Stu&y

    Pro&a&%4 $ou%d disso%+e ore in acid

    not 'ractica% for *S 1@0

    so $eA%% '%a4 %etAs 'retend

    !etAs 'retend ((( a sucker is iron ore

    $ater is acid

    nd %etAs do an e>'eri)ent to )easure terate of disso%ution

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    CE Case Stu&y e case stud4 is due at te start of !ecture

    10 Bou $i%% $ork in grou's, as a tea)

    fu%% descri'tion is 'osted on te *S 1@0

    $e& site -o$ to do te e>'eri)ent

    ;at to do $it te data

    So)e additiona% sets of data to $ork $it ;at 4ou are e>'ected to turn in

    e grading criteria for $at 4ou turn in