Chapter 16

Question 1

3 types of extraction

Answer 1

Leaching, Washing, Liquid-Liquid extraction

Question 2

Products that are very similar but have different chemical arrangements (ex: butane and isobutane)

Answer 2

Isomer

Question 3

Extract is also known as the ____ phase.

Answer 3

heavy

Question 4

Raffinate is also known as the ____ phase.

Answer 4

light

Question 5

The contact area between the extract/heavy phase and the raffinate/light phase is the ______.

Answer 5

interface

Question 6

Phase used to describe “one that bubbles through”

Answer 6

Dispersed Phase

Question 7

Absorption and Adsorption both require ____ _____

Answer 7

intimate contact

Question 8

a device used to remove selected components from a gas stream by contacting it with a gas or liquid.

Answer 8

Absorber

Question 9

a device (such as a reactor or a dryer) filled with a porous solid designed to remove gases and liquids from a mixture

Answer 9

Adsorber

Question 10

the second solution that is formed when a solvent dissolves a solute.

Answer 10

Extract

Question 11

a process for separating two materials in a mixture or solution by introducing a third material that will dissolve one of the first two materials but not the othe

Answer 11

Extraction

Question 12

the original solution to be separated in liquid-liquid extraction.

Answer 12

Feed

Question 13

in liquid-liquid extraction, material that is left after a solvent has removed solute

Answer 13

Raffinate

Question 14

a device used to remove chemicals and solids from process gases.

Answer 14

Scrubber

Question 15

the material that is dissolved in liquid-liquid extraction.

Answer 15

Solute

Question 16

a uniform mixture of particles that are not tied together by any chemical bond and can be separated by purely physical change.

Answer 16

Solution

Question 17

a chemical that will dissolve another chemical.

Answer 17

Solvent

Question 18

Which is heavier, the extract or the raffinate?

Answer 18

Extract

Question 19

What are the three main types of extraction columns?

Answer 19

Packed columns, tray columns, and mechanical columns

Question 20

Crystallization is often referred to as the opposite of what other common process?

Answer 20

Dissolving