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Reactor Equations

Tubular flow reaclors operate at nearly constant pressure. How the differential material balance is integrated for a number of second-order reactions will be explained. When n is the molal flow rate of reactant A the flow reactor equation is... [Pg.699]

This is to be solved simultaneously with the flow reactor equation, Eq. (7-84). Alternatively, dV can be eliminated from Eq. (7-88) for a direct relation between P and n . [Pg.700]

In the simplest case, where the product is recycled without change, the flow reactor equation at constant density with a power law is... [Pg.700]

Put n o = 6, substitute Eq. (1) into the flow reactor equation, and integrate numerically. [Pg.712]

Find the conditions for minimum V fV when conversion is 80%. The flow reactor equation is... [Pg.713]

The component balance for a batch reactor. Equation (1.21), still holds when there are multiple reactions. However, the net rate of formation of the component may be due to several different reactions. Thus,... [Pg.37]

This is the piston flow analog of the variable-volume batch reactor. Equation (2.30). [Pg.83]

An integral form of Equation (3.15) was used to derive the pressure ratio for scaleup in series of a turbulent liquid-phase reactor, Equation (3.34). The integration apparently requires ji to be constant. Consider the case where ii varies down the length of the reactor. Define an average viscosity... [Pg.115]

These component balances are conceptually identical to a component balance written for a homogeneous system. Equation (1.6), but there is now a source term due to mass transfer across the interface. There are two equations (ODEs) and two primary unknowns, Og and a . The concentrations at the interface, a and a, are also unknown but can be found using the equilibrium relationship, Equation (11.4), and the equality of transfer rates. Equation (11.5). For membrane reactors. Equation (11.9) replaces Equation (11.4). Solution is possible whether or not Kjj is constant, but the case where it is constant allows a and a to be eliminated directly... [Pg.387]

The two BCs of the TAP reactor model (1) the reactor inlet BC of the idealization of the pulse input to tiie delta function and (2) the assumption of an infinitely large pumping speed at the reactor outlet BC, are discussed. Gleaves et al. [1] first gave a TAP reactor model for extracting rate parameters, which was extended by Zou et al. [6] and Constales et al. [7]. The reactor equation used here is an equivalent form fi om Wang et al. [8] that is written to be also applicable to reactors with a variable cross-sectional area and diffusivity. The reactor model is based on Knudsen flow in a tube, and the reactor equation is the diffusion equation ... [Pg.678]

Table 2.3. Classification of systems of parameters and time-dependent variables. reactor equations with a set of... Table 2.3. Classification of systems of parameters and time-dependent variables. reactor equations with a set of...
The starting point for the development of the basic design equation for a well-stirred batch reactor is a material balance involving one of the species participating in the chemical reaction. For convenience we will denote this species as A and we will let (— rA) represent the rate of disappearance of this species by reaction. For a well-stirred reactor the reaction mixture will be uniform throughout the effective reactor volume, and the material balance may thus be written over the entire contents of the reactor. For a batch reactor equation 8.0.1 becomes... [Pg.257]

For a first-order reaction, we showed that for a cascade composed of equal-sized reactors, equation 8.3.42 governed the effluent composition from the nth reactor. [Pg.291]

The basic design equation for a plug flow reactor (equation 8.2.7) may be used to describe the steady-state conversion achieved in the plug flow element of the recycle reactor ... [Pg.296]

For the vast majority of situations of interest in the design of industrial scale chemical reactors, equation 10.1.4 provides an adequate approximation to the true situation for continuous flow reactors operating at steady state. Since... [Pg.350]

If one again takes note of the fact that work effects and kinetic and potential energy effects are usually negligible in chemical reactors, equation 10.1.6 simplifies to... [Pg.351]

The reactor volume is given by integration of the flow reactor equation,... [Pg.374]

Flow reactor equation integrated by trapezoidal rule,... [Pg.377]

The weights of catalyst are given by the flow reactor equations... [Pg.390]


See other pages where Reactor Equations is mentioned: [Pg.712]    [Pg.70]    [Pg.20]    [Pg.69]    [Pg.244]    [Pg.293]    [Pg.282]    [Pg.283]    [Pg.288]    [Pg.405]    [Pg.643]    [Pg.644]    [Pg.644]    [Pg.203]    [Pg.233]    [Pg.348]    [Pg.354]    [Pg.363]    [Pg.365]    [Pg.370]    [Pg.372]    [Pg.372]    [Pg.382]    [Pg.395]    [Pg.468]    [Pg.470]    [Pg.471]    [Pg.483]    [Pg.602]    [Pg.704]   
See also in sourсe #XX -- [ Pg.108 ]




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Batch reactors describing equations

Batch reactors design equations for

Batch reactors in design equations

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Catalytic reactors performance equations

Continuity Equations for Tank Reactors

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Continuous stirred tank reactor nonlinear equations

Continuous stirred tank reactor ordinary differential equations

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Continuously stirred tank reactor describing equations

Design Equations for Ideal Reactors

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Design Equations for a Batch Reactor

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Design equations for continuous stirred-tank reactors

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Design equations of the reactor

Design equations plug flow reactor

Design equations recycle reactor

Design equations, batch reactor

Determination of Rate Equations for Single Reactions from Batch Reactor Data

Duct reactors mass transfer equation

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Equations Governing the Plug-Flow Packed Bed Reactor

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Isothermal reactors design equations

Mass balances and reactor equations

Material balance Continuity equation Plug-flow reactor

Membrane reactors constitutive equations

Momentum equations bubble column reactors

Nonideal reactors balance equations

Nuclear equation reactors

Ordinary differential equation solvers isothermal reactors

Performance Equations for Reactors Containing Porous Catalyst Particles

Performance Equations of Biofilm Reactors

Performance Equations of Recycle Reactors

Plug flow reactor basic performance equation

Plug flow reactors equations

Plug flow reactors equations, initial conditions

Rate equations for constant-volume batch reactors

Rate equations, chemical plug flow reactor

Reactor and Column Equations

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Tubular flow reactor describing equations

Tubular reactors balance equations

Tubular reactors design equation

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