The treatment and utilization of sewage.

  • Corfield, W. H. (William Henry), 1843-1903.
Date:
1887
Catalogue details

Licence: Public Domain Mark

Credit: The treatment and utilization of sewage. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

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    PAGE Its mouetary value . . . . .333 Explanations by manager of tlie company . . 334 Account of author's inspection . . .334 Dr. Oclling's opinion . . . , . .336 Trial of the process at Crossness . . .336 At Leeds, Bolton, and Aylesbury . . . . 337 Sale of the precipitate . . . .338 Ml-. Sillar's explanation of its value . . .339 (o) Anderson's process . . . . .339 (j>) The Coventry process . . . .340 Johnson's filter press . . . . .341 Scheme of the Lower Thames Valley Board . . 342 Mr. Dibdin's experiments with lime, sulphate of alumina, and iron ..... 343 Lime useful for acid sewage . . . .344 The precipitating effects of lime, sulphate of alumina, and protosulphate of iron . . . .345 Deodorisation by manganate of soda . . .346 Disposal of the sludge by cremation . . .347 Precipitation preliminary to utilisation on land 347 IV. Dr. Voelcker's Calculations of the Values op Sewage Manures . . . .348 Their theoretical and their practical or market values . 348 Cost of production of dried sewage manure . . 349 V. Precipitation Processes abroad . . .350 VL General Conclusions . . . .351 CHAPTER X FILTRATION Filtration through peat charcoal . . . .352 Through town ashes and vegetable charcoal—Weare's process . 353 Effluent a dilute sewage ..... 354 Upward filtration through gravel . . . .355 Intermittent downward filtration through soil . . 355 Quality of the effluent water . . . . 356