Journal of electricity, power, and gas . e gases from dust, retain the dust foruse and not interfere with the output of the kiln. The system as developed after two years ofalmost unceasing work on the part of the investi-gators, consists of treating chambers, one on each sideof each kiln stack. These chambers are 13 ft. wide18 ft. high and 38 ft. long. In these chambers arearranged the discharge electrodes and the collectingplates. From the discharge electrodes to the collect-ing plates a high voltage unidirectional current ismaintained, setting up a strong electrical field. To obtain this hig
Journal of electricity, power, and gas . e gases from dust, retain the dust foruse and not interfere with the output of the kiln. The system as developed after two years ofalmost unceasing work on the part of the investi-gators, consists of treating chambers, one on each sideof each kiln stack. These chambers are 13 ft. wide18 ft. high and 38 ft. long. In these chambers arearranged the discharge electrodes and the collectingplates. From the discharge electrodes to the collect-ing plates a high voltage unidirectional current ismaintained, setting up a strong electrical field. To obtain this high voltage unidirectional dis-charge, current from a motor driven alternating cur-rent generator is stepped up from 220 to 60,000 voltsand then by means of a rectifier, designed specially forthis work, and driven from the same shaft that drivesthe generator, the current is changed from alternatingto unidirectional. This rectified current has a meanvalue in the treaters of about 37,500 volts. The underlying principle upon which the system. General View Showing Exit Gases Before TreatersWere Installed. Same View Showing Small Amount of Exit GasesAfter Treaters Were Installed, 220 JOURNAL OF ELECTRICITY, POWER AND GAS [Vol. XXXII—No. 11 is based consists of bringing the dust laden gases intoan electrically charged field which is maintained bymeans of a negative silent or glow discharge. Onaccount of this discharge, the path through; which the
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