Rheinische Olefin Werks

The performance of the PPR for NOx removal by the Shell low-temperature NOx reduction has been investigated extensively [20]. In the first commercial application of the Shell process with parallel-passage reactors, flue gases of six ethylene cracker furnaces at Rheinische Olefin Werke at Wesseling, Germany, are treated in a PPR system with 120-m catalyst in total to reduce the nitrogen oxide emissions to about 40 ppm v. Since its successful start-up in April 1990, the unit has performed according to expectations... 

Figure 30 Photograph of parallel-passage reactors for NO removal at Rheinische Olefin Werke at Wesseling, Germany. (Courtesy Shell Research.)...

Bach of the Big Three proceeded in somewhat different directions in confronting these challenges. In 1952 BASF formed Rheinische Olefin Werks, a... 

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