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Reactors of Waste Water Treatment

By: Haseeb Jamal / On: Jul 07, 2017 / Waste Water

Units are the vessels or basin that holds wastewater for the treatment by chemical or biological processes. They can be of any shape. Depending upon the flow and operating conditions and the methods of mixing of the wastewater therein, the reactors have the following main types;

Continuous-Flow Stirred Tank Reactor (CFSTR) or Completely-Mix Reactor:

The reactants entering the reactor (which are dispersed immediately) and the products flowing out from the reactor are considered as continuous.

Continuous Flow Stirred Tank Reactor (CFSTR) or Completely Mix Reactor

Completely Mix Batch Reactor:

in a closed system where no flow is added or allowed to leave during the design detention time

Completely Mix Batch Reactor

Plug Flow Reactor or Tubular-Flow:

Fluid particles pass through the tank and are discharge in the same sequence in which they enter.

Plug Flow Reactor

Arbitrary Flow Reactor:

is any degree of partial mixing between plug-flow and complete-mix.

Arbitrary Flow Reactor;

Fluidized Bed Reactor:

is filled with the packing material that expands and gets fluidized when wastewater moves upward in the reactor.

Fluidized Bed Reactor

Packed Bed Reactor:

Are filled with inert packing media for the growth of biomass

Packed Bed Reactor


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