Lesson 1: Applications of Unit Operations

Question 1

Fluid flow or fluid dynamics

Answer 1

Water and wastes; oils and fats; petroleum

Question 2

Heat transfer

Answer 2

Fuels and power; distillation of coal; fuel gases; industrial gases; ceramics; cement; glass; soda ash; phosphorous; sulfuric acid; ammonia; petroleum

Question 3

Evaporation

Answer 3

K salts; salt; caustic soda; phosphoric acid; glycerin; sugar

Question 4

Humidification

Answer 4

Textile fibers

Question 5

Gas absorption

Answer 5

Distillation of coal; fuel gases; industrial gases; bleach; nitric acid; hydrochloric acid; leather

Question 6

Solvent extraction

Answer 6

Coal gas; insecticides; perfumes; oils; ascetic acid; rosin; lubricating oils;

Question 7

Adsorption

Answer 7

Water and waste purification; artificial leather solvent recovery

Question 8

Distillation and sublimation

Answer 8

Distillation coal; industrial gases (𝑂2, 𝑁2); perfumes; glycerin; alcohol, acetone; petroleum; intermediates

Question 9

Drying

Answer 9

Ceramics; sodium salts; pigments; soap; sugar; pulp and paper; rubber

Question 10

Mixing

Answer 10

Fertilizers, dynamite; paints, lacquers; dyes

Question 11

Classification or sedimentation

Answer 11

Cement rock; phosphate rock; K salts; caustic soda

Question 12

Filtration

Answer 12

Ceramics; Ca & Mg salts; K salts; Na salts; sugar; rayon; paraffin; intermediates and dyes; organic chemicals

Question 13

Screening

Answer 13

Cement; soda ash; silicon carbide; sugar

Question 14

Crystallization

Answer 14

Ca & Mg salts; K salts; Na salts; sugar

Question 15

Centrifugation

Answer 15

𝑁𝐻4 sulfate; Ca & Mg salts; K salts; Na salts; sugar

Question 16

Size reduction

Answer 16

Ceramics; cement; glass raw materials; paints; resins

Question 17

Materials handling

Answer 17

Fuels; fuel gases; ceramics; cement; glass; soda ash; wood; rubber