Auteur William L. Luyben
Documents disponibles écrits par cet auteur (28)
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William L. Luyben, Auteur |Multiple compressors in series with intermediate heat exchangers are frequently used to reduce compressor energy consumption or to limit compressor discharge temperatures when the overall compression ratio (initial suction pressure divided by th[...]
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William L. Luyben, Auteur |The control of a distillation column with a side reactor is studied for the conversion of n-butane into isobutane for use in the alkylation process. Fresh feed of a mixture of propane, isobutane, n-butane, and isopentane is fed to a distillation[...]
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William L. Luyben, Auteur |The pervaporation process features a liquid feed and retentate and a vapor permeate. The phase change produces a temperature decrease as the retentate flows through the unit. Since flux rates decrease with decreasing temperature, the conventiona[...]
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William L. Luyben, Auteur |The alkylation of C4 olefins with isobutane to produce high-octane C8 components (“alkylate”) is a very important process in many oil refineries. The Kellogg process uses a sulfuric acid catalyst in a series of agitated reactors, which must oper[...]
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William L. Luyben, Auteur |The alkylation of C4 olefins with isobutane to produce high-octane C8 components (“alkylate”) is a very important process in many oil refineries. The Kellogg process uses a sulfuric acid catalyst in a series of agitated reactors, which must oper[...]
Article : texte imprimé
William L. Luyben, Auteur |Methanol is one of the prime candidates for providing an alternative to petroleum-based liquid transportation fuels. It can be made from any renewable biomass hydrocarbon source by partial oxidation in an oxygen-blown gasifier to produce synthes[...]
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R. Bertrum Diemer, Auteur ; William L. Luyben, Auteur |The production of methyl acetate from the raw materials of methanol and carbon monoxide offers a potentially attractive alternative to other routes. The process has two distinct reaction and separation steps. First, methanol is dehydrated to for[...]
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William L. Luyben, Auteur |The vinyl acetate monomer (VAM) process presents several challenging design problems because of the many design optimization variables and several important constraints. The process features a cooled tubular reactor, both gas and liquid recycle [...]
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William L. Luyben, Auteur |The chemistry of the cumene process features the desired reaction of benzene with propylene to form cumene and the undesirable reaction of cumene with propylene to form p-diisopropylbenzene. Both reactions are irreversible. Since the second has [...]
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William L. Luyben, Auteur |The chemical 2-methoxy-2-methylheptane (MMH) has been proposed as a gasoline additive to replace methyl tert-butyl ether (MTBE) in order to avoid groundwater contamination. The chemistry involves the liquid-phase reversible reaction of methanol [...]
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William L. Luyben, Auteur |The monoisopropylamine (MIPA) process provides an interesting example of plantwide economic design optimization and plantwide control. The process consists of a tubular reactor and three distillation columns. There are both gas and liquid recycl[...]
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Devrim B. Kaymak, Auteur ; William L. Luyben, Auteur |If the temperature range suitable for reasonable chemical reaction kinetics does not match the temperature range suitable for vapor−liquid equilibrium, reactive columns are not economically attractive. One way to overcome this temperature mismat[...]
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William L. Luyben, Auteur |Several processes are available for the important operation of dehydrating ethanol/water mixtures to concentrations above the azeotrope (90 mol %). Heterogeneous azeotropic distillation has been studied using several entrainers: benzene, cyclohe[...]
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William L. Luyben, Auteur |There have been numerous books and papers dealing with the effect of solvent selection on the steady-state design of extractive distillation systems. Extractive distillation is widely used to separate homogeneous binary azeotropes by adding a hi[...]
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William L. Luyben, Auteur |The classical trade-off between number of trays and energy consumption in distillation design is one of the fundamental concepts in chemical engineering. Conventional wisdom states that the use of more stages results in lower reflux ratios and l[...]
