enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Plug flow reactor model - Wikipedia

    en.wikipedia.org/wiki/Plug_flow_reactor_model

    A real plug flow reactor has a residence time distribution that is a narrow pulse around the mean residence time distribution. A typical plug flow reactor could be a tube packed with some solid material (frequently a catalyst). Typically these types of reactors are called packed bed reactors or PBR's.

  3. Packed bed - Wikipedia

    en.wikipedia.org/wiki/Packed_bed

    A packed bed used to perform separation processes, such as absorption, stripping, and distillation is known as a packed column. [1] Columns used in certain types of chromatography consisting of a tube filled with packing material can also be called packed columns and their structure has similarities to packed beds.

  4. Fluidized bed reactor - Wikipedia

    en.wikipedia.org/wiki/Fluidized_bed_reactor

    As in any design, the fluidized bed reactor does have its draw-backs, which any reactor designer must take into consideration. [6] Increased reactor vessel size: Because of the expansion of the bed materials in the reactor, a larger vessel is often required than that for a packed bed reactor. This larger vessel means that more must be spent on ...

  5. Trickle-bed reactor - Wikipedia

    en.wikipedia.org/wiki/Trickle-bed_reactor

    A trickle-bed reactor (TBR) is a chemical reactor that uses the downward movement of a liquid and the downward (co-current) or upward (counter-current) movement of gas over a packed bed of particles. It is considered to be the simplest reactor type for performing catalytic reactions where a gas and liquid (normally both reagents) are present in ...

  6. Ergun equation - Wikipedia

    en.wikipedia.org/wiki/Ergun_equation

    To calculate the pressure drop in a given reactor, the following equation may be deduced: = + | |. This arrangement of the Ergun equation makes clear its close relationship to the simpler Kozeny-Carman equation, which describes laminar flow of fluids across packed beds via the first term on the right hand side.

  7. Bubble column reactor - Wikipedia

    en.wikipedia.org/wiki/Bubble_column_reactor

    A bubble column reactor is a chemical reactor that belongs to the general class of multiphase reactors, which consists of three main categories: trickle bed reactor (fixed or packed bed), fluidized bed reactor, and bubble column reactor. [1]

  8. Fluidized bed - Wikipedia

    en.wikipedia.org/wiki/Fluidized_bed

    In fluidised beds, the contact of the solid particles with the fluidisation medium (a gas or a liquid) is greatly enhanced when compared to packed beds. This behavior in fluidised combustion beds enables good thermal transport inside the system and good heat transfer between the bed and its container.

  9. Random column packing - Wikipedia

    en.wikipedia.org/wiki/Random_column_packing

    Random column packing is the practice of packing a distillation column with randomly fitting filtration material in order to optimize surface area over which reactants can interact while minimizing the complexity of construction of such columns.