<p>Aerts, Parker et al:</p> <p>I found the following on my laptop three weeks after I got home, probably<br /> written in the Tokyo airport during my "extra" Saturday, courtesy of the<br /> dateline.. If I sent it before, please excuse!</p> <p>On my trip I saw a monstrous pressurized recirculating fluidized bed combustor<br /> in Finland. It was impressive as a major engineering feat. One justification<br /> is that the hot gas filtering with ceramic candles are relatively cheaper at<br />