unit operations in chemical industries by dr.lek wantha 1
Post on 31-Mar-2015
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1
UNIT OPERATIONS IN CHEMICAL
INDUSTRIES
BYDR.LEK WANTHA
2
Differential Pressure Flowmeters
Rotameters
3
Orifice meters
Differential Pressure Flowmeters
4
Venturi flowmeters
Differential Pressure Flowmeters
5
Pitot tubes
Differential Pressure Flowmeters
6
Pumps
Centrifugal pumps
Reciprocating pumps
7
Pumps
Gear pumps Screw rotor pump
8
Pumps
Rotary lobe pumps
9
Fans
Paddle wheel Curved fan Radial-tip fan
10
Fans
Wheel designs for conveying fan
11
Pressure Blowers
Pressure blowers
12
Compressors
Sliding vane Straight lobe Reciprocating compressor
13
Conveyors
Belt conveyor
Screw conveyor Vibratory conveyor
14
Storage Tanks
Underground storage tank Aboveground tank
15
Valves
Gate valve
Control valve
Control valve
16
Mixers
Kneader
Extruder Ribbon mixer
Solid-solid and solid-liquid mixers
17
Mixers
Liquid-liquid and liquid-gas mixers
18
Impellers
Radial flow impellers
Curved Blade Disc TurbineFlat Blade Turbine Anchor Impeller
Axial flow impellers
Pitched Blade Turbine Helical Ribbon ImpellerThree Blade/Marine Impeller
19
Size reduction
Crushers
Jaw crusher
Gyratory crusher Smooth-roll crusher
20
Size reduction
Grinders
Impactor
Roller mill Ball mill
21
Screening
Gyrated screen Vibration screen
Sieve
22
Filters
Plate and frame filters
23
Filters
Pressure leaf filters
24
Filters
Vacuum filters
25
Thickeners and Clarifiers
Circular thickeners
26
Thickeners and Clarifiers
Cyclones
Tubular centrifuge
Disk centrifuge
Centrifuges
27
Electrostatic Precipitators
Electrostatic precipitators
28
Boilers
Steam boilers
29
Condensers
Water cooled condensers
30
Cooling Towers
Cooling towers
31
Heat Exchangers
shell and tube heat exchangers
32
Plate and frame heat exchangers
Plate and frame heat exchangers
33
Batch Reactors
Batch reactors
34
Continuous Stirred Tank Reactors (CSTR)
CSTRs
35
Plug Flow Reactors (PFR)
PFRs
36
Fluidized Bed Reactors
Fluidized bed reactors
37
Packed Bed Reactors
Packed bed reactors
38
Slurry Reactors
Slurry reactors
39
Absorbers
Absorbers
40
Absorbers
Packed bed column (left) and tray column (right)
41
Distillation
Distillation columns
42
Strippers
Strippers
43
Strippers
Sieve tray air stripper (left) and packed tower air stripper (right)
44
Adsorbers
Adsorbers
45
Crystallizers
Crystallizers
46
Dryers
47
Extractors
48
Evaporators
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