unit operations in chemical industries by dr.lek wantha 1

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UNIT OPERATIONS IN CHEMICAL INDUSTRIES BY DR.LEK WANTHA 1

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Page 1: UNIT OPERATIONS IN CHEMICAL INDUSTRIES BY DR.LEK WANTHA 1

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UNIT OPERATIONS IN CHEMICAL

INDUSTRIES

BYDR.LEK WANTHA

Page 2: UNIT OPERATIONS IN CHEMICAL INDUSTRIES BY DR.LEK WANTHA 1

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Differential Pressure Flowmeters

Rotameters

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Orifice meters

Differential Pressure Flowmeters

Page 4: UNIT OPERATIONS IN CHEMICAL INDUSTRIES BY DR.LEK WANTHA 1

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Venturi flowmeters

Differential Pressure Flowmeters

Page 5: UNIT OPERATIONS IN CHEMICAL INDUSTRIES BY DR.LEK WANTHA 1

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Pitot tubes

Differential Pressure Flowmeters

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Pumps

Centrifugal pumps

Reciprocating pumps

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Pumps

Gear pumps Screw rotor pump

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Pumps

Rotary lobe pumps

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Fans

Paddle wheel Curved fan Radial-tip fan

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Fans

Wheel designs for conveying fan

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Pressure Blowers

Pressure blowers

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Compressors

Sliding vane Straight lobe Reciprocating compressor

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Conveyors

Belt conveyor

Screw conveyor Vibratory conveyor

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Storage Tanks

Underground storage tank Aboveground tank

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Valves

Gate valve

Control valve

Control valve

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Mixers

Kneader

Extruder Ribbon mixer

Solid-solid and solid-liquid mixers

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Mixers

Liquid-liquid and liquid-gas mixers

Page 18: UNIT OPERATIONS IN CHEMICAL INDUSTRIES BY DR.LEK WANTHA 1

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Impellers

Radial flow impellers

Curved Blade Disc TurbineFlat Blade Turbine Anchor Impeller

Axial flow impellers

Pitched Blade Turbine Helical Ribbon ImpellerThree Blade/Marine Impeller

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Size reduction

Crushers

Jaw crusher

Gyratory crusher Smooth-roll crusher

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Size reduction

Grinders

Impactor

Roller mill Ball mill

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Screening

Gyrated screen Vibration screen

Sieve

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Filters

Plate and frame filters

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Filters

Pressure leaf filters

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Filters

Vacuum filters

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Thickeners and Clarifiers

Circular thickeners

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Thickeners and Clarifiers

Cyclones

Tubular centrifuge

Disk centrifuge

Centrifuges

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Electrostatic Precipitators

Electrostatic precipitators

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Boilers

Steam boilers

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Condensers

Water cooled condensers

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Cooling Towers

Cooling towers

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Heat Exchangers

shell and tube heat exchangers

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Plate and frame heat exchangers

Plate and frame heat exchangers

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Batch Reactors

Batch reactors

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Continuous Stirred Tank Reactors (CSTR)

CSTRs

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Plug Flow Reactors (PFR)

PFRs

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Fluidized Bed Reactors

Fluidized bed reactors

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Packed Bed Reactors

Packed bed reactors

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Slurry Reactors

Slurry reactors

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Absorbers

Absorbers

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Absorbers

Packed bed column (left) and tray column (right)

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Distillation

Distillation columns

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Strippers

Strippers

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Strippers

Sieve tray air stripper (left) and packed tower air stripper (right)

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Adsorbers

Adsorbers

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Crystallizers

Crystallizers

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Dryers

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Extractors

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Evaporators