Specification of Richard Dover : treating sewage.

  • Dover, Richard.
Date:
1871
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Richard Dover : treating sewage. Source: Wellcome Collection.

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    Dover s Mode of Treating Sewage. And the manner in which the same is to he performed is by such combined mechanical and chemical action as will realise effectually my said Invention, and enable the diurnal sewage of such populous places to be both expeditiously and continuously purified. The works and apparatus are contrived for the uninterrupted reception 5 and treatment of the diurnal sewage -estimated to flow through or be discharged by or from the sewers, drains, pipes, channels, cuts, docks, canals, watercourses, &ca. of populous places, in order to all the feculent or putrescent and other ammoniacal or nitrogenous matters therein being effectually and permanently arrested and retained in a portable, inodorous, 10 and innocuous but valuable condition for agricultural purposes, its aqueous portion rendered salubriously useful and valuable, also for such public purposes as street watering [because it counteracts dust], flushing stagnant sewers, and washing down urinals, and the residuum retained without either olfactory or visual offence. This mode and means for 15 preventing the flow or passage of sewage into rivers or streams from the sewers, drains, and other channels, and retaining the sewage matters for agricultural purposes consists in converging it into an appropriately constructed and provided tank [or tanks] of circular form with concave floor and agitators, for the reception and detention of the sewage of 20 Sundays, separation of all extraneous bodies or matters, equalisation of its condition, and disintegration of the fecal portions, to enable the chemical agents to act upon them more readily. Prom the converging tank [or tanks] the sewage flows into a pumping well, and from it is raised, upon the most improved hydraulic principles, without any 25 offensive emanation into the deodorizing reservoirs. Tor the deodorization of the diurnal sewage of a town discharging fifty to sixty tons per hour on the average, the works [as per plan annexed] consist of twenty-four deodorizing reservoirs, numbered 1 to 24, each to hold about 500 gallons of sewage [or if more convenient for 30 the locality a fewer number of 1,000 gallons each] and capable of receiving, deodorizing, and filtering off uninterruptedly the aqueous portion of the diurnal sewage of 20,000 to 25,000 persons. Each of the 24 deodorizing reservoirs is to fill and empty in an hour, i.e., 24 times in 24 hours multiplied by 500 give 288,000 gallons of sewage disposed 35 of, with great sanitary benefit, as well as public utility, each day of 24 hours. I have contrived them of cast iron, of cubical form, with angular