Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Distilling column

These reactions can be reversed in a distillation column. This releases the hydrogen sulfide and carbon dioxide for further processing. The monoethanolamine can then be recycled. [Pg.58]

Another variable that needs to be set for distillation is refiux ratio. For a stand-alone distillation column, there is a capital-energy tradeoff, as illustrated in Fig. 3.7. As the refiux ratio is increased from its minimum, the capital cost decreases initially as the number of plates reduces from infinity, but the utility costs increase as more reboiling and condensation are required (see Fig. 3.7). If the capital... [Pg.77]

Figure 3.7 The capital-energy tradeoff for stand-alone distillation columns. Figure 3.7 The capital-energy tradeoff for stand-alone distillation columns.
Probably the most common method used for sequence selection for simple distillation columns is heuristic. Many heuristics have been proposed, but they can be summarized by the following four ... [Pg.132]

Heat Integration of Sequences of Simple Distillation Columns... [Pg.142]

Figure 5.10 Distillation columns with three products. (From Smith and Linnhoff, TVans. IChemE, ChERD, 66 195. 1988 reproduced hy permission of the Institution of Chemical Engineers.)... Figure 5.10 Distillation columns with three products. (From Smith and Linnhoff, TVans. IChemE, ChERD, 66 195. 1988 reproduced hy permission of the Institution of Chemical Engineers.)...
This remixing which occurs in both sequences of simple distillation columns is a source of inefficiency in the separation. By contrast. [Pg.149]

Unless there are constraints severely restricting heat integration, sequencing of simple distillation columns can be carried out in two steps (1) identify the best few nonintegrated sequences and (2) study... [Pg.155]

Porter, K. E., and Momoh, S. O., Finding the Optimum Sequence of Distillation Columns—An Equation to Replace the Rules of Thumb (Heuristics), Chem. Engg. J., 46 97, 1991. [Pg.157]

Triantafyllou, C., and Smith, R., The Design and Optimization of Fully Thermally Coupled Distillation Columns, Trans. IChemE, Part A, 70 118, 1992. [Pg.157]

Glinos, K., and Malone, M. F., Optimality Regions for Complex Column Alternatives in Distillation Columns, Trans. IChei lE ChERD, 66 229, 1988. [Pg.157]

Kaihel, G., Distillation Columns with Vertical Partitions, Chem. Eng. TechnoL, 10 92, 1987. [Pg.157]

Kaibel, G., Distillation Column Arrangements with Low Energy Consumption, IChemE Symp. Ser., 109 43, 1988. [Pg.157]

Consider again the simple process shown in Fig. 4.4d in which FEED is reacted to PRODUCT. If the process usbs a distillation column as separator, there is a tradeofi" between refiux ratio and the number of plates if the feed and products to the distillation column are fixed, as discussed in Chap. 3 (Fig. 3.7). This, of course, assumes that the reboiler and/or condenser are not heat integrated. If the reboiler and/or condenser are heat integrated, the, tradeoff is quite different from that shown in Fig. 3.7, but we shall return to this point later in Chap. 14. The important thing to note for now is that if the reboiler and condenser are using external utilities, then the tradeoff between reflux ratio and the number of plates does not affect other operations in the flowsheet. It is a local tradeoff. [Pg.239]

The effluent from the reactor contains both PRODUCT and unreacted FEED which must be separated in a distillation column. Unreacted FEED is recycled to the reactor via a pump if the recycle is liquid or a compressor if the recycle is vapor. [Pg.241]

Distillation. There is a large inventory of boiling liquid, sometimes under pressure, in a distillation column, both in the base and held up in the column. If a sequence of columns is involved, then, as discussed in Chap. 5, the sequence can be chosen to minimize the inventory of hazardous material. If all materials are equally hazardous, then choosing the sequence that tends to minimize the flow rate of nonkey components also will tend to minimize the inventory. Use of the dividing-wall column shown in Fig. 5.17c will reduce considerably the inventory relative to two simple columns. Dividing-wall columns are inherently safer than conventional arrangements because they lower not only the inventory but also the number of items of equipment and hence lower the potential for leaks. [Pg.263]

Relief systems are expensive and introduce considerable environmental problems. Sometimes it is possibly to dispense with relief valves and all that comes after them by using stronger vessels, strong enough to withstand the highest pressures that can be reached. For example, if the vessel can withstand the pump delivery pressure, then a relief valve for overpressurization by the pump may not be needed. However, there may still be a need for a small relief device to guard against overpressurization in the event of a fire. It may be possible to avoid the need for a relief valve on a distillation column... [Pg.265]

Wastewater leaves the process from the bottom of the second column and the decanter of the azeotropic distillation column. Although both these streams are essentially pure water, they will nevertheless contain small quantities of organics and must be treated before final discharge. This treatment can be avoided altogether by recycling the wastewater to the reactor inlet to substitute part of the freshwater feed (see Fig. 10.36). [Pg.282]

As shown in Fig. 10.6, the vapor from the reactor flows into the bottom of a distillation column, and high-purity dichloroethane is withdrawn as a sidestream several trays from the column top. The design shown in Fig. 10.6 is elegant in that the heat of reaction is conserved to run the separation and no washing of the reactor... [Pg.286]

The dominant heating and cooling duties associated with a distillation column are the reboiler and condenser duties. In general, however, there will be other duties associated with heating and cooling of feed and product streams. These sensible heat duties usually will be small in comparison with the latent heat changes in reboilers and condensers. [Pg.341]

The consequences of placing distillation columns in different locations relative to the pinch will now be explored. There are two possible ways in which the distillation column can be integrated. The reboiler and condenser can be integrated either across the pinch or not across the pinch. [Pg.341]

Let us now consider a few examples for the use of this simple representation. A grand composite curve is shown in Fig. 14.2. The distillation column reboiler and condenser duties are shown separately and are matched against it. Neither of the distillation columns in Fig. 14.2 fits. The column in Fig. 14.2a is clearly across the pinch. The distillation column in Fig. 14.26 does not fit, despite the fact that both reboiler and condenser temperatures are above the pinch. Strictly speaking, it is not appropriately placed, and yet some energy can be saved. By contrast, the distillation shown in Fig. 14.3a fits. The reboiler duty can be supplied by the hot utility. The condenser duty must be integrated with the rest of the process. Another example is shown in Fig. 14.36. This distillation also fits. The reboiler duty must be supplied by integration with the process. Part of the condenser duty must be integrated, but the remainder of the condenser duty can be rejected to the cold utility. [Pg.344]

Evolving the Design of Simpie Distillation Columns to Improve Heat Integration... [Pg.344]

If the distillation column will not fit either above or below the pinch, then other design options can be considered. One possibility is... [Pg.345]


See other pages where Distilling column is mentioned: [Pg.111]    [Pg.4]    [Pg.4]    [Pg.76]    [Pg.114]    [Pg.132]    [Pg.142]    [Pg.219]    [Pg.240]    [Pg.241]    [Pg.252]    [Pg.313]    [Pg.322]    [Pg.322]    [Pg.341]    [Pg.343]    [Pg.343]    [Pg.343]    [Pg.345]    [Pg.345]    [Pg.347]    [Pg.348]    [Pg.348]   
See also in sourсe #XX -- [ Pg.178 ]




SEARCH



ANALYSIS OF DISTILLATION COLUMNS

Absorbers Azeotropic distillation columns

Absorbers and Distillation Columns

Aldehydes distillation column

Apparatus for continuous column distillation

Apparatus, adapter for steam distillations Claisen flask modified with column

Application 1. Steady-state Entropy Production Profile in a MTBE Reactive Distillation Column

Application 2. Bi-Objective Optimization of a MTBE Reactive Distillation Column

Atmospheric Distillation Column - Initial

Atmospheric Distillation Column - Side Strippers

Available work distillation column

Azeotropic process with distillation column

BSTILL - Binary Batch Distillation Column

Back atmospheric distillation column

Back crude distillation column

Batch Distillation (IBD) Column

Batch Distillation Column (MultiBD)

Batch distillation column

Binary Distillation in Tray Columns

Binary batch distillation column

Binary distillation column

Boilup column distillation

Bubble point calculation for a batch distillation column

CONSTILL - Continuous Binary Distillation Column

Case study 1 dynamics of high-purity distillation columns

Choice of Sequence for Simple Nonintegrated Distillation Columns

Column capacity, pressure distillation

Column diameter atmospheric distillation

Column diameter vacuum distillation

Column distillation Lewis method

Column distillation McCabe-Thiele method

Column distillation countercurrent cascade

Column distillation design problems

Column distillation enriching section

Column distillation entrainment

Column distillation equipment

Column distillation external balances

Column distillation feed lines

Column distillation feeds

Column distillation flow regime

Column distillation flowcharts

Column distillation froth regime

Column distillation increasing capacity

Column distillation optimum feed stage

Column distillation passing streams

Column distillation photograph

Column distillation pressure

Column distillation purity levels

Column distillation rectifying section

Column distillation reflux

Column distillation reflux ratio

Column distillation reusing columns

Column distillation schematics

Column distillation simulation problems

Column distillation specifications

Column distillation spray regime

Column distillation stages, calculating number

Column distillation stripping section

Column distillation subcooled reflux

Column distillation variables

Column distillation, with partial condenser

Column for Batch Distillation

Column pressure, selection distillation

Columns atmospheric distillation unit

Columns distillation tray costs

Columns reactive distillation

Columns vacuum distillation unit

Columns, continuous distillation

Complex Distillation Columns

Composition profiles column distillation

Computer methods distillation columns

Conceptual Design of Reactive Distillation Columns

Conceptual reactive distillation columns

Configuration atmospheric distillation column

Constant molal overflow column distillation

Continuous binary distillation column

Continuous multicomponent distillation column

Control Scheme for a Distillation Column

Control extractive distillation column

Control loops in a reactive distillation stage column

Control of Heat-Integrated Distillation Columns

Control of distillation columns

Control systems distillation columns

Controllability distillation column

Conventional distillation columns

Crossflow plate in a distillation column

Crude atmospheric distillation column

Cycling distillation columns

Design Calculation of Extractive Distillation Columns

Design of Distillation Columns (Ideal Mixtures)

Design of packed distillation columns

Design of reactive distillation columns

Diagrams Distillation flask and column

Distillation Column Inlet Streams

Distillation Column Operation McCabe Method

Distillation Column with Reactive Reboiler

Distillation Petlyuk column

Distillation Sequencing Using Columns with More than Two Products

Distillation Sequencing Using Simple Columns

Distillation and Multiple Column Processes

Distillation column appropriate placement

Distillation column assembly

Distillation column configuration

Distillation column definition

Distillation column design Petlyuk columns

Distillation column design efficiencies

Distillation column design extractive

Distillation column design features

Distillation column design feed point location

Distillation column design limitations

Distillation column design liquid-vapor

Distillation column design mixture

Distillation column design packing efficiency

Distillation column design reflux considerations

Distillation column design stages

Distillation column design system factors

Distillation column design ternary azeotropic mixtures

Distillation column design tray number determinations

Distillation column efficiency

Distillation column flow-sheet

Distillation column generation with efficiency

Distillation column heat pump process

Distillation column heat-integrated

Distillation column height

Distillation column high-purity

Distillation column holdup

Distillation column membranes

Distillation column models

Distillation column overhead separator

Distillation column process characteristics

Distillation column reactor

Distillation column sieve tray

Distillation column stills

Distillation column targets

Distillation column thermodynamic analysis

Distillation column throughput

Distillation column vapor recompression

Distillation column waste

Distillation column with pumparound

Distillation column, bottoms composition control

Distillation column, extractive

Distillation column, real plates

Distillation column, residence time

Distillation column, residence time distribution

Distillation columns

Distillation columns Dufton

Distillation columns Hempel

Distillation columns Murphree vapor efficiency

Distillation columns Oldershaw

Distillation columns Podbielniak

Distillation columns Stedman

Distillation columns This page has been reformatted by Knovel to provide easier navigation

Distillation columns Vigreux

Distillation columns Widmer

Distillation columns accumulator level control

Distillation columns basic control scheme

Distillation columns behavioral model

Distillation columns bottom level control

Distillation columns bottom level response

Distillation columns column dynamics

Distillation columns column pressure

Distillation columns component balance

Distillation columns composition response

Distillation columns contacting devices

Distillation columns control

Distillation columns costs

Distillation columns design

Distillation columns design calculations

Distillation columns efficiency Sieve trays

Distillation columns energy balance

Distillation columns energy balance control

Distillation columns exercises

Distillation columns feed point location

Distillation columns froth contacting

Distillation columns general descriptions and types

Distillation columns hybrid model

Distillation columns hydraulics

Distillation columns interfacial area

Distillation columns limiting behavior

Distillation columns liquid distribution

Distillation columns liquid dynamics

Distillation columns liquid entrainment

Distillation columns liquid holdup

Distillation columns liquid mixing

Distillation columns liquid redistribution

Distillation columns loading-flooding

Distillation columns material balance control

Distillation columns maximum vapor flow

Distillation columns miscellaneous comments

Distillation columns model assumptions

Distillation columns multicomponent systems

Distillation columns packed

Distillation columns packed-type

Distillation columns packing materials

Distillation columns packing properties

Distillation columns phase equilibrium

Distillation columns pressure drop

Distillation columns pressure response, control

Distillation columns quality control

Distillation columns random packing

Distillation columns reboiler

Distillation columns reflux considerations

Distillation columns sequencing

Distillation columns side stripper

Distillation columns simulation

Distillation columns sizing

Distillation columns spray contacting

Distillation columns structure

Distillation columns structured packing

Distillation columns terms Links

Distillation columns total reflux column

Distillation columns tray dynamics

Distillation columns tray hydraulics

Distillation columns tray pressure drop

Distillation columns tray-type

Distillation columns types

Distillation columns vapor capacity

Distillation columns vapor distribution

Distillation columns vapor dynamics

Distillation columns vapor mixing

Distillation columns weeping

Distillation columns with heat pumps

Distillation columns, mass transfer

Distillation columns, operation

Distillation columns, waste reduction

Distillation conventional column system

Distillation dividing wall column

Distillation in packed columns

Distillation interlinked columns

Distillation number of columns

Distillation overall column

Distillation overall column efficiency

Distillation partition column

Distillation refining columns

Distillation sequence Petlyuk column

Distillation sequence dividing wall column

Distillation sequence simple column

Distillation sequencing Petlyuk column

Distillation sequencing dividing wall column

Distillation sequencing of columns

Distillation sequencing simple columns

Distillation simple columns

Distillation trayed columns

Distillation, differential column height

Distillation-reaction packed column reactor

Distilling column packing

Double distillation column, oxygen

Double distillation column, oxygen production

Dynamic Modeling of Distillation Columns

Dynamic model distillation column

Equilibrium relationships, column distillation

Esterificationby azeotropic distillation with benzene ester column

Extractive distillation column modeling

Extractive distillation column simulation

Extractive distillation columns, azeotropic

Flow profiles column distillation

Fractional distillation column design

Fractional distillation column efficiency

Fractional distillation fractionating column

Fully Reactive Distillation Column

Fully thermally coupled distillation column

Heat Integration of Distillation Columns

Heat Integration of Distillation Columns—Summary

Heat integration distillation columns

Hybrid Model Development for Pilot Batch Distillation Column

Hybrid modeling distillation column

Ideal Binary Distillation Column

Internal Mass Flows in Sequences of Simple Distillation Columns

Light atmospheric distillation column

Liquid Equilibrium Distillation Column

MCSTILL - Continuous Multicomponent Distillation Column

Mass transfer analysis packed column distillation

McCabe-Thiele diagrams column distillation

Modeling distillation column

Modelling the distillation column as a whole

Multicomponent Distillation in Tray Columns

Multicomponent Nonideal Distillation Column

Multicomponent distillation columns

Multicomponent distillation sequencing of columns

NET Equations for Distillation Columns

Nonequilibrium distillation column

Nonequilibrium distillation column model

Operation of Azeotropic Distillation Columns

Operational fractions of batch extractive distillation in a middle vessel column

Optimal distillation column diabatic configuration

Optimization of distillation column

PACKED COLUMNS FOR DISTILLATION

Packed columns distillation applications

Packing distillation column design

Parallel-column distillation

Pilot distillation column

Pilot distillation column model

Pilot-Scale Distillation Column

Plantwide Control Issues for Distillation Columns

Pressure distillation column diameter selection

Procedure 2. Optimum Economic Design of Conventional and Complex Distillation Columns

Process integration distillation columns

Product atmospheric distillation column

Pyrolysis distillation columns

REACTIVE DISTILLATION DESIGN USING COLUMN PROFILE MAPS

Reactive Distillation Column Cl

Reconciliation of an Experimental Distillation Column

Results atmospheric distillation column

Retrofits of distillation columns by thermodynamic analysis

Reversible distillation column sequence

SEPARATION COLUMNS (DISTILLATION, ABSORPTION, AND EXTRACTION)

Sampled-Data Control of Distillation Columns

Separability in Extractive Distillation Columns

Simple distillation columns design

Single-column distillation

Solution of Problems Involving Single Columns Used to Effect Azeotropic and Extractive Distillations

Solving Distillation Columns on the H-X Diagram

Space atmospheric distillation column

Spinning-band column distillation

Steam atmospheric distillation column

Stripping distillation columns

Systems of Interconnected Distillation Columns

Temperature profiles column distillation

Test Method for Distillation of Crude Petroleum (15-Theoretical Plate Column)

The Distillation Column

Tray columns binary distillation

Trays in distillation columns

Two-stage distillation column

Understanding Distillation Using Column Profile Maps, First Edition. Daniel Beneke, Mark Peters

Unit operations, control distillation column

Use of Continuous Columns for Batch Distillation

Vacuum distillation column design

Vacuum distillation columns

Vapor distillation columns

Vapor-liquid equilibrium distillation column, design

Various configurations of batch distillation column

Vessel Batch Distillation Column

Vessel Batch Distillation Column (MVC)

© 2024 chempedia.info