Necesidad De Un Ensayo

x_1= Premium motor fuel

x_2= Regular motor fuel

x_3= Jet fuel

x_4= Fuel oil

x_5= Lube-oil

x_6= Crude 1

x_7= Crude 2

x_8= Light naphtha

x_9= Medium naphtha

x_10= Heavy naphtha

x_11= Light oil

x_12= Heavy oil

x_13= Residuum

x_14= Reformed gasoline

x_15= Light naphtha used to produce reformed gasoline

x_16= Medium naphtha used to produce reformed gasoline

x_17= Heavy naphtha used to produce reformed gasoline

x_18= Cracked gasoline

x_19= Cracked oil

x_20= Light oil used to produce cracked gasoline and cracked oil

x_21= Heavy oil used to produce cracked gasoline and cracked oil

x_22= Residuum used to produce lube-oil

x_23= Light naphtha used to produce premium motor fuel

x_24= Light naphtha used to produce regular motor fuel

x_25= Medium naphtha used to produce premium motor fuel

x_26= Medium naphtha used to produce regular motor fuel

x_27= Heavy naphtha used to produce premium motor fuel

x_28= Heavy naphtha used to produce regular motor fuel

x_29= Reformed gasoline used to produce premium motor fuel

x_30= Reformed gasoline used to produce regular motor fuel

x_31= Cracked gasoline used to produce premium motor fuel

x_32= Cracked gasoline used to produce regular motor fuel

x_33= Light oil used to produce jet fuel

x_34= Heavy oil used to produce jet fuel

x_35= Residuum used to produce jet fuel

x_36= Cracked oil used to produce jet fuel

Objective Function:

min -700x_1-600x_2-〖400x〗_3-350x_4-150x_5

Constraints:

x_6<= 20000

x_7<= 30000

x_6+x_7<= 45000

x_15+x_16+x_17<= 10000

x_20+x_21<= 8000

x_5<= 1000 .

-x_5<= -500

〖-x〗_1+0.4x_2<=0

94x_1-〖90x〗_23-〖80x〗_25-70x_27-115x_29-105x_31<=0

〖84x〗_2 〖-90x〗_24-80x_26-70x_28-115x_30-105x_32<=0

-x_3+x_33+0.6x_34+0.05x_35+1.5x_36<=0

〖-x〗_i<=0 ;where i=1,2,3………….36

〖0.1x〗_6+0.15x_7-x_8=0

〖0.2x〗_6+0.25x_7-x_9=0

〖0.2x〗_6+0.18x_7-x_10=0

〖0.12x〗_6+0.08x_7-x_11=0

〖0.2x〗_6+0.19x_7-x_12=0

〖0.13x〗_6+0.12x_7-x_13=0

-x_14+〖0.6x〗_15+0.52x_16+0.45x_17=0

-x_18+0.28〖 x〗_20+0.2x_21=0

-x_19+0.68〖 x〗_20+0.75x_21=0

-x_5+〖0.5x〗_22=0

-x_8+x_15+x_23+x_24=0

-x_9+x_16+x_25+x_26=0

-x_10+x_17+x_27+x_28=0

0.55x_4-x_11+x_20+x_33=0

0.17x_4-x_12+x_21+x_34=0

0.22x_4-x_19+x_36=0

0.055x_4-x_13+x_22+x_35=0

-x_18+x_31+x_32=0

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