Question: EH 0 5 Ele be woa e potassium dichromate { K 2 Cr 2 0 7 ) tso 2 5 % w 1 K 2

EH05 "Ele be woae potassium dichromate {K2Cr207) tso 25%w1 K2Cr207 tsi me. Nuuu yeye sia."
Wotsaka (F1) kple tsisi si wogbugb zna (R) eye woona abe nuuu ene (F2Y yi crystallizer/centrifuge. Tsisi et dona
kristalo la: gbt nye filter cake {M1) si me potassium dichromate kristaloawo kat le le xexlme si nye
85%w1 kristalo (K2Cr207 dzadz) va o 15%w1 tsi, esime evelia nye tsi si sus(9:1e kpekpeme e ssme
kple solution si le M1) si wa recycle stream (R). Egbkpnu si le tsisi M1 kple R me siaa nye
85%w1 H20 kple 15%w1 K2Cr207. Tsisi etlia si dona le kristalo-ma me nye tsi dzadze tsisi (W), si nye
tsia u tso nuuua me va zu kristalo. Emegbe wotsa tsisi M1 yia tsiue ae, afisi...
wotsa tsi si sus la ua du yia ya e sisi me le m si ana be 8%mo1e H20 nan ya si dona le eme (AE) me.
Wowa kristalo dzadz siwo u abe nusi wow le nusi wowe sisi (P) me ene. Le ewwe agbssme si nye kilogram 1000 ta
kristalo le gaoo eka me,o biabia siwo gbna u:
a) Kpa numiemiea e sisi e nnmetata eye nde dzesii
b) Bu aknta le tsi agbssme si woe tso kristalo-ma me (kg/hr)u .
c) Bu tsisi F2e sisi e agbssme bliboa (kg/hr) kple ee agbssme e akpa sue e wwme
d) Bu aknta le ya e mole siwo sina toa dryer la me (kmolelhr)".

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