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ESD101 > Exam Prep 1 > Flashcards

Exam Prep 1 Flashcards

1
Q

How many steps are involved in the chemical product design approach?

A

4

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2
Q

What is the first step in the chem product design approach?

A

Needs:

what needs should my product fill?

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3
Q

What is the 2nd step in the chem product design approach?

A

Ideas:

What different products could satisfy these needs?

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4
Q

What is the 3 rd step in the chem product design approach?

A

Selection:

Which ideas are the most promising?

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5
Q

What is the 4 th. step in the chem product design approach?

A

Manufacture:

How can we make the product in commercial quantities?

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6
Q

How many types of chemical products are there?

A 
4
Commodities
Devices
Microstructures 
Molecules
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7
Q

Commodities Scale

A

Continuum

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8
Q

Commodities: Key

A

Cost

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9
Q

Commodities Examples

A

ethylene ammonia

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10
Q

Commodities Basis

A

Reaction engineering

unit operations

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11
Q

Commodities Risk

A

Feedstock

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12
Q

Devices Examples

A

Artificial Kidneys

home oxygen

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13
Q

Devices Scale

A

Meters

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14
Q

Devices Key

A

Convenience

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15
Q

DevicesBasis

A

Reaction engineering

unit operations

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16
Q

Devices Risk

A

intellectual property

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17
Q

Molecules Examples

A

Penicilin

Prozac

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18
Q

Molecules Scale

A

Nanometers

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19
Q

Molecules Key

A

Discovery

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20
Q

Molecules Basis

A

Chemistry

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21
Q

Molecules Risk

A

Discovery

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22
Q

Microstructures Examples

A

Sunscreen

surimi

23
Q

Microstructures Scale

A

Micrometers

24
Q

Microstructures Key

A

Function

25
Q

Microstructures Basis

A

Recipe

26
Q

Microstructures Risk

A

Science

27
Q

How many steps are involved in water treatment

A

5

28
Q

1 step in water treatment:

A

Coagulation

removes dirt and other particles suspended in water

29
Q

2 step in water treatment:

A

Sedimentation

flocs settle to the bottom and the clear water moves to filtration

30
Q

3 step in water treatment:

A

Filtration

water passes through filters that help remove even smaller particles

31
Q

4 step in water treatment:

A

Disinfection

process in which disinfection method(chlorination) is used to kill bacteria and other micro organisms

32
Q

5 step in water treatment:

A

Storage
Water is placed in a closed tank or reservoir in order for the disinfection to take place.
the water is then distributed through pipes to consumer

33
Q

express the conservation of mass balance as an equation

A

Appearance- Disappearance= Accumulation

34
Q

Appearance (Mass Balance) consists of :

A

Input+ Generation

35
Q

Disappearance (Mass Balance) consists of :

A

Output + Consumption

36
Q

Accumulation (Mass Balance) consists of :

A

Build up

37
Q

Input

A

enters through the system boundaries

38
Q

Generation

A

produced within the system boundaries

39
Q

Output

A

leaves through the system boundaries

40
Q

Consumption

A

consumed within the system boundaries

41
Q

Accumulation

A

buildup within the system boundaries

42
Q

batch process

A

the feed is charged to the system at the start of the process and the product is removed at the end.
No mass crosses the system boundaries while the process runs

43
Q

continuous process

A

inputs and outputs flow continuously throughout the process

44
Q

Semi batch/ semi continuous

A

a combination of batch and continuous process

45
Q

breathing

A

continuous

46
Q

Preparing hard boiled eggs by keeping the eggs in an open saucepan full of
boiling water on a stove for 15 minutes.

A

batch

47
Q

feeding crude oil through a fractional distilation column

A

continuous

48
Q

a baloon is filled with air at a steady rate of 2g/min

A

batch

49
Q

grilling a steak on the barbecue

A

continuous

50
Q

passing water through an activated sludge gate

A

continuous

51
Q

steady state process

A

process variables do not change with time

52
Q

transient process`

A

process variables change with time

53
Q

process variables to consider

A

temperature pressure volume flow rates

ESD101 (10 decks)

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