Chemical Reaction Engineering

1

Unit 17
Chemical Reaction Engineering
2

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  ????????,??????????????????????????,??????????????
  ?????,???????????????????
• ??????????????????????????????????????????????????
  ????,??????????????????

3

• It is the last-mentioned area of interest,
  chemical kinetics, which is of primary concern
  to us.
• It ??????,???????
• It ??????,????????????
• ??
• It is clear that
• It must be admitted
• It appears that
• It is stated that
• It is to be noted that
• It is well known that
• It will be seen from this
• It follows that

4

• Pipe and tube
• A pipe is normally made of metal, fluid flows
  through a pipe.
• A tube may be made of metal, glass, rubber,
  plastic, etc.
• A tube often is smaller in diameter than a pipe
• A steam pipe, a drain pipe, a tubular steel, a
  tubular reactor
• epitaxy unified crystal growth or deposition of
  one crystal layer on another.
• ??????,???????,?????????????????
• Molecular beam directed stream of unionized
  molecules issuing from a source and depending
  only on their thermal energy.
• ???,????????????????????????????

5

Useful and important words and phrases

• thermodynamics ???
• endothermic ???
• exothermic ???
• adiabatic ???
• equilibrium constant
• ????
• standard free energy
• ?????

6

Useful and important words and phrases

• chemical kinetics ?????
• reaction order ????
• reaction rate constant ??????
• activation energy ???
• conversion ???
• selectivity ???

7

Useful and important words and phrases

• homogeneous reaction ????
• gas-phase reaction ????
• liquid-phase reaction ????
• heterogeneous reaction ?????
• liquid-liquid ?-?
• liquid-solid ?-?
• liquid-solid-gas ?-?-?
• gas-solid ?-?
• gas-liquid ?-?

8
Useful and important words and phrases

• batch process ????
• continuous process ????
• semi-batch process ?????
• semi-continuous process ?????
• plug flow reactor (PFR) ??????
• continuously stirred tank reactor (CSTR)
  ?????????

9

Useful and important words and phrases

• reactor ???
• stirred tank reactor ???????
• tubular reactor ?????
• packed bed reactor ??????
• fluidized bed reactor ??????
• bubble column ???
• spray column ???

10

Useful and important words and phrases

• reactor ???
• airlift reactor ??????
• fixed-bed reactor ??????
• slurry reactor ?????
• thermal tubular reactor
• ?????
• moving trickle bed reactor
• ????????

11

Useful and important words and phrases

• residence time distribution (RTD)
  
• ??????
• back-mixing ??
• internal diffusion ???
• external diffusion ???
• latent heat ??
• sensible heat ??