Modern Gasworks Practice

INDEX 807 Hydrogen in producer gas, 64, 68 in water gas, 430, 736, 738 Humus bodies in coal, 358 Hunter-Barrett pusher, 285 Hy-Rib metal, 49 Inclined retorts, 107 cost of, 107 “ creeping in,” 107 fuel consumption, 107 Love’s system, 107 Illuminating power, eflect of air on, 582 effect of stripping on, 423 of carburetted water gas, 420, 736, 738 of coal gas, 419, 736, 738 Impurities in coal gas, 395, 570, 614, 688 in fireclays, 194, 209 in water gas, 737 Inert constituents in coal gas, 420, 422, 736, 738 in complete gas, 757, 759 in various mixtures, 420, 421 law and, 5, 6 permissible quantity of, 414 Intermittent vertical retorts, details of con- struction of, 160 downward steaming in, 165 yield from, 18 Inversions of silica, 198 Iron oxide (see under Oxide of Iron) Joints, Bergmann, 253 clay, 248 dry lutes for purifiers, 602 expansion for foul main, 275 for ascension pipes, 248 iron borings, 248 serubber, 523 weight of lead in pipe, 794 “ K. and A.” water gas plant, 708 Kaolin, 194 Kerpely producer, 121 Kirby, W., 739 Klönne regenerator, 97 Knox, G., 366 Koppers, chamber ovens, 184 direct ammonia process, 548 Laming’s mass, 574 Land expenditure on, 17 lay out of plant on, 23 occupied by gasholders, 22 required for gas works, 14, 17 required for water gas plant, 690 Lead, weight of in joints of gas mains, 794 Lebon, Phillipe, 1 Leerdam gasholder, 670 Legislation, Gas, 5 Lessing, R., 412, 422 Lewes, Vivian B., 139, 358, 359, 380, 403, 415, 461 Lewis, G. P., 433 Lime, for purification, 592 mixed with coal, 391, 618 required for sulphate of ammonia manu-facture, 789 space occupied by, 363 Liquor, composition of, 503 conditions affeeting, 505 cyanogen in, 551 fixed, 503, 505 formation of, 502 free, 503, 605 hot separation of, 268 hydraulic main, 507 oxidation of, 504 pumps, 789 purification by means of, 533 separation of H2S, CO2, and NH3 in, 534 storage of, 22, 31, 389, 532 sulphur in, 505 sulphuretted hydrogen in, 505 wells for, 31 yield of, 392, 427, 428 yield of sulphate of ammonia from, 386, 392, 427, 428, 533, 789 Lister, J. E., 312 Livesey washers, 509 rule for size of, 20 Local Authority as gasworks owner, 9 Lowe water gas plant, 701 “ Lux ” for purification, 574 Lyddite, 4 Machinery, calculation of horse power for, 337 coal handling, 310 coke handling, 318 electrical in gasworks, 342 elevating and conveying, 308 general considerations, 308 saving efiected by, 280 structure ratio, 333 telpher, 326 used in gasworks, 281 McLeod, 386 Mains, cost of, 32, 35 flow of, gas through, 792 size of, for gasworks, 23, 793 size of, for purifiers, 20, 597 weight of lead in joints of, 794 Make per mouthpiece, 18 Maximum day, 14, 19, 103 hour, 19