feed stream을 water와 ethanol의 azeotrope point 조성으로 맞추어 주었다.
그림 53. D1 unit
1-AZ stream
mole fraction
WATER
0.10096021
mole fraction of Azeotrope point
(WATER 0.2/ ETHANOL 0.8)
ETHANOL
0.89524533
CO2
0.00379468
표 9. 1-AZ stream
② AZ-DEGAS unit (flash unit)
azeotrope를 형성하는 것은 water와 ethanol이다. 그러므로 feed에
Ernest Hemingway - Big Two-hearted River [part-1/part-2]
어니스트 헤밍웨이 - 두 개의 심장을 가진 강
P64~P68 line 2
내용 요약
주인공 닉은 기차를 타고 옛 고향 Seney로 간다. 그는 예상과는 달리 불타 없어져 있는 고향의 모습을 보고 놀란다. 그는 철로를 따라 걸어 내려가 강에 있는 다리까지 갔다. 오직 강물
8. 기상이 이상기체라 가정하고 염소 흡수장치에 들어있는 염소의 질량(kg)을 추정하라. (Hint: 슬러리 임의 질량을 basis로 하여 기준량의 슬러리가 점유하는 부피와 그속에 들어 있는 염소 질량을 계산한 뒤 문제 8에서 계산한 슬러리 실제 부피로 환산하고 기상에 존재하는 염소량을 추가한다.)
(풀이
To understand the principle of laboratory distillation
To separate a binary mixture with different boiling points through fractional distillation
Practice the application of distillation devices
Measure the efficiency of distillation column
Calculate the minimum ideal plates
Superheated vapor feed(q<0)
Saturated vapor feed(q=0)
Partially vaporized feed(q=0.5)
Saturated liquid
the principle of distillation and separate a mixture of two miscible liquids(liquids that mix in all proportions) with different boiling points.
Theories
1. Distillation
A technique of separating mixtures based on
differences in their volatilities in a boiling
liquid mixture.
E.g.)
Simple Distillation
Fractional Distillation
Batch or Continuous Distillation(Feeding method)
feed water is heated by steam in tubes
MED purifies water through the use of heat, to “boil” off and re-capture the pure water over a number of cycles or “effects”, leaving the unwanted solids behind
Each stage essentially reuses the energy from the previous stage.
majority of water must be pumped from its source or directed into pipes or holding tanks
to remove large debri
turned his face away in disgust. He sets it in a small bowl. The cat, hoping it was for him, attempts to eat it and turns away in disgust, too. ) No, no, no, no. Cat that is not for you its for Hen Wen.
Taran: Hen Wen, Hen Wen, its ALWAYS Hen Wen!
Dallben: And one day, my boy, you may learn why. Now, no more dreaming, you have chores to do.
Taran: Yes, sir. ( and he sets off to feed Hen Wen. )
feed desire
Her brother said,
hey, throw her on the fire
This is the house
Come on in
This is the house
Built on sin
This is the house
Nobody lives
This is the house
You get what you give,
yeah, yeah
I cut the flesh
and make it bleed
Fresh skin is what I need
I let it dry out
in the wood
All your crying did no good
This is the house
Come on in
This is the house
Built on sin
This
boiled!
And you stay from up in my face!
Good to see you, Pigfoot.
You think youre sharp!
What you doin knocking
like you the damn police or worse?
Dont be ignorant your whole life.
- Oh, Bumpy Johnson.
- Illinois Gordon.
- Hows business?
- Dutch Schultz is at it again.
He been gattin folks all over town.
Even messing with the Queen.
The Queen?
- The Queen dont bow to no man.
- She aint bowed yet
boiling.
What is it?
Serial numbers?
Room numbers.
Theyre different in each room.
Oh great. There are only millions
thousand rooms in this thing.
Well, there better not be?
We have about days
without food and water
before we are too weak to move.
Well, they have to feed us,
dont they?
Holloway.
Oh, we have heat, stress, physical
exsection, i.e., dehydratation,
headaches, dizziness, disorientation