Regenerative system

The effluent concentration history is the breakthrough curve, also shown in Fig. 16-3. The effluent concentration stays at or near zero or a low residual concentration until the transition reaches the column outlet. The effluent concentration then rises until it becomes unacceptable, this time being called the breakthrough time. The feed step must stop and, for a regenerative system, the regeneration step begins. 

This cycle, as shown in Figure 2-23, is a regenerative cycle with water injection. Theoretically, it has the advantages of both the steam injection and regenerative systems reduction of NO emissions and higher efficiency. The work output of this system is about the same as that achieved in the steam injection cycle, but the thermal efficiency of the system is much higher. 

Chemical scrubbing systems for SO/ absorption fall into two broad categories (a) Disposable systems and (b) regenerative systems. Typical of systems in use for a number of years are those that use an aqueous slurry of an insoluble caldum compound, which can be discarded after use. Disposable 02-removal systems use aqueous slurries of finely ground materials, such as lime, limestone or dolomite, to produce a mixture of insoluble sulfites and sulfates. On passing through the scrubber, S02 from the waste gas dissolves to form sulfurous acid S02 ... 

Adsorber (concentrations less than 2 ppm non-regenerative system greater than 2 ppm regenerative system)... 

The advantage of this sensitive procedure for the assay of phenylalanine hydroxylase activity is that no regenerative system for tetrahydropterine derivative is required (Kaufman, 1971). 

DiSalvo, L.H. (1971) Regenerative function and microbial ecology of coral reefs. II. Oxygen metabolism in the regenerative system. Canadian Journal of Microbiology, 17, 1091-1100. 

Front side of the furnace equipped with high-cycle regenerative system. 

As a conventional system, the recuperative radiant type burning system, manufactured by Chugai Ro Kogyo Co. Ltd., with nominal firing capacity 175 kW, was used in order to compare with the (HRS) high-cycle regenerative system. The Figure 24.11 shows the measurement points in this system. 

Longitudinal temperature profile of the radiant tube for recuperative and regenerative systems at different reference point temperature Ttrp (a) 840°C, (b) 880°C, (c) 950°C, and (d) 1000°C. 

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