Conceptual reactor design

The conceptual reactor design proposed by ENI includes three steps (Figure 9.16) [88d] ... 

Development of a solid sorbent for cleaning coal followed by modeling of the reaction involved and a conceptual reactor design... 

Case Study 11.6 Gas-Solid Noncatalytic Reaction Development of a Solid Sorbent for Cleaning Coal Gas Followed by Modeling of the Reaction AND A Conceptual Reactor Design... 

Alwahabi SM, Froment GF Conceptual reactor design for the methanol-to-olefins process on SAPO-34, Ind Eng Chem Res 43 5112-5122, 2004b. 

Reaction scheme (bs basic site of the catalyst, R carbenium ion ethyl, R carbenium ion propyl ). Adapted from Alwahabi SM, Froment GF. Conceptual reactor design for the methanol-to-olefrns process on SAPO-34. Ind Eng Chem Res 2004 43 5112-22 Alwahabi SM, Froment GF. Single event kinetic modelingof the methanol-to-olefins process on SAPO-34. Ind Eng Chem Res 2004 43 5098- 111. 

Table 1. Comparison of the major characteristics of three conceptual tokamak power reactor designs of the University of Wisconsin...

Most reliable are the data on neutron fluxes which are determined by the plasma power density, reactor geometry and structural parameters. Most of the conceptual power reactor design studies contain a detailed neutronics analysis giving the energy as well as the spatial distribution of neutron fluxes. 

Badger, B., Conn, R. W., Kulcinski, G. L., et aL UWMAK-II, A Conceptual Tokamak Power Reactor Design. Nucl. Eng. Dept., Univ. of Wisconsin, Report UWFDM-112. Wisconsin, 1975... 

The test results with the ultrasonic nozzle were obtained with an estimated steam to copper (S/Cu) ratio of 23 and the humidified Ar was injected co-currently with the CuCl2 solution. Several variables remain to be investigated, i.e. lower S/Cu ratios, counter-current instead of co-current operation, and subatmospheric pressures. LeChatelier s Principle predicts that reducing the pressure in the hydrolysis reactor should reduce the S/Cu ratio. The effect of a reduced pressure was quantified by the results of a sensitivity study using Aspen. Aspen predicts that a S/Cu ratio of 17 is needed for essentially complete conversion at 375°C and atmospheric pressure while a S/Cu ratio of 13 is required at 0.5 bar. The conceptual process design specifies that the hydrolysis reactor be run at 0.25 bar. The pressure drop in the reactor is achieved by adding a low temperature steam ejector after the condenser at the exit of the hydrolysis reactor in the conceptual design. 

In chemical reactor design, an understanding of the reactions and mechanisms involved is required before a reactor can be built. In general, this means the chemical reaction equilibrium thermodynamics must be known before the reactor is even conceptualized. Any chemical reaction can be written as... 

Level 1 Chemistry and Thermodynamics. This level deals with the analysis of the fundamental knowledge needed for performing the conceptual process design. A detailed description of chemistry is essential for designing the chemical reactor, as well as for handling safety and environmental issues. Here, the constraints set by chemical equilibrium or by chemical kinetics are identified. The nonideal behavior of key mixtures is analyzed in view of separation, namely by distillation. 

The hierarchical approach is a simple but powerful methodology for the development of process flowsheets. It consists of a top-down analysis organized as clearly defined sequence of tasks aggregated in levels. Each level handles a fundamental conceptual problem input/output structure, reactor design, structure of separa-... 

P-18 - Conceptual process design of an all zeolite membrane reactor for the hydroisomerization of Cs/Cg... 

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