Modern methods of sewage disposal : for towns, public institutions, and isolated houses / by Geo. E. Waring.

  • Waring, George E., Jr. (George Edwin), 1833-1898.
Date:
1894
Catalogue details

Licence: Public Domain Mark

Credit: Modern methods of sewage disposal : for towns, public institutions, and isolated houses / by Geo. E. Waring. Source: Wellcome Collection.

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    INDEX. Filters, development of capacity for oxidation with age, 76. Filter-presses, 175. Filter-press liquid, composition of, and treatment, 177. Filtration areas, size of, 14. Filtration, definition of, 47. and irrigation compared, 89,118. continuous, compared with inter- mittent, 78. fundamental principles of, 74. in combination with chemical treatment, 186. theory of, by Professor Sedgwick, 80. with aeration, 141. Fish, effect of sewage on, 42, 44,157. amounts of manurial ingredients contained in, 45. as affected by effluents from chemi- cal processes, 157. Flow of sewage should reach all parts of land, 98. in irrigation, equalization of, 10S. Flush-tanks for intermittent dis- charge of sewage, 214, 231. siphons for, 219. Franklaud, 67, 112, 131, 189. Freehold, N.J., experience with peat, 86. Fresh delivery of sewage most im- portant, 28, 34, 39, 153, 226. sewage not offensive, 28, 204, 226. Gennevilliers, 97, 119. effect of irrigation on health of those employed on sewage farm, 16, 17. value of land at, increased by irri- gation, 15. Godfrey, R., concerning the Amines process, 49. Gravel-stones, Massachusetts experi- ments with, in filtration, 70-81. Grease, accumulations of, in traps and pipes, 37, 38. Grease traps, etc., seats of decompo- sition, 28, 38, 57, 205. Gutters for distributing flow, 106. Half-pipe channels, 108. Hazen, Allen, 61, (if), 85,142,160, 190. Health of Towns, Commission, Eng- land, 239. Health on sewage farms, 16, 17,128 241. Hermite process of treating sewage, Horizontal screens preferable to ver- tical, 58. Horseshoe tile for subsurface irriga- tion, 224. Hospitals, disposal of sewage from 203. Hotels, disposal of sewage from, 203. Huxley, comparison of productive capacity of sea and land, 44. Impurities in sewage, proportion of, 21, 186. Insane Asylum, London, Canada, sewage disposal at, 138, 206. Institutions, disposal of sewage from 203. Intermittent application necessary in irrigation and filtration, 13, 47. filtration, 72. Intermittent precipitation, 169, 173. objections to its use, 170. Iron salts, effects of, on fish, 158. impart color to effluent, 160. Iron, sulphate of, yielded best results at Lawrence, Mass., 192,193, 194. Irrigation, 88. and filtration compared, 89, 118. and filtration secure most com- plete destruction of bacteria, 17. areas, how divided, 104. definition of, 47. difficult when surface water ad- mitted to sewers, 28. equalization of flow, 108. facilitated by the growth of vege- tation, 31. field improves with use, 14. fields, area of, 14. in combination with chemical treatment, 186. increases value of laud, 15.