| 摘要 |
1376077 Treating effluent gases with filters STAUFFER CHEMICAL CO 31 Jan 1972 [1 March 1971] 4342/72 Headings B1L and BIT Effluent gases containing trace amounts of an odour which may be passed through a coated bag or envelope filter, an electrostatic precipitator, a cyclone, a liquid scrubber or a gravity or centrifugal separator to remove suspended particles are contacted with finelydivided, entrained, activated carbon for sufficient time to remove the smell. The carbon may be separated by similar devices to those used in the separation or by an additional fixed filter bed of conventional absorbents. The suspended carbon may be regenerated with steam and recycled to the process. |
