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Discussion

Match each term in List I with the process it belongs to in List II.

List I

A. Breakthrough curve

B. Height of a transfer unit

C. Ammonia slip

D. The three T's

List II

1. Absorption tower design

2. Fixed bed adsorption

3. Incineration

4. Nitrogen oxide reduction

Select the correct match.

  • A.A-1, B-2, C-4, D-3
  • B.A-2, B-4, C-1, D-3
  • C.A-3, B-1, C-4, D-2
  • D.A-2, B-1, C-4, D-3

Answer: D

Correct answer: A-2, B-1, C-4, D-3

Each term belongs to one process and identifies it. The breakthrough curve is the defining plot of fixed bed adsorption. The height of a transfer unit is an absorption tower design quantity, multiplied by the number of transfer units to give the packed height. Ammonia slip belongs to nitrogen oxide reduction. And the three T’s - temperature, time and turbulence - are the classical conditions for complete incineration.

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