Automatic control in chemical industry

✍ Scribed by Quarendon, R.

• Publisher: Wiley (John Wiley & Sons)
• Year: 2010
• Weight: 348 KB
• Volume: 56
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000563203

✦ Synopsis

valuable potential source of geriiianiuiii and gn~~iuni,..and there is little doubt, if t.Le iiccd arose, that by suitable aiid probably iiiinor alteratioiis in the working conditions, a niiiterial could be obtained whicli would be much richer in these nictals thiin anything hiDhcrt.0 examined. I t is intcrcsting aiid yet disquieting to realize that if only o m liuiidred iiiillion tons of the coal produced anuunlly in Great Britain is gernianiferous, and if that coal coiitnins notr iiiorc t.liiiii 0.002% of gcrrn:iniuiii rtud hnlf that iimount of galliuni, then sonic 2000 and lo00 tons of t h s e metals, rcspcctively, which inight be put to sonic useful purposc, tire either beiiig dissipntcd into the atriiosplicre or disciirdetl :is usclcss dust,.

Fhally we would express our grateful thanks to the various gas undertakings who have so generously supplied us with the inaterial which has made possible this investigation, and especially to the Gas Light & Coke Co. and the South Metropolitan Gns Co.

Thc work dcscribcd iibovc wns cnrritd out as part of thc progrnminc of the Cheniistry licscarch Board and is published by permission of tlic. Dcpartmcnt of Scientific and 1ndustri:il Rcscarch.