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acid acre Acts added adopted advantage allowed ammonia amount analysis animal appears Appendix applied authorities average carried chemical comparatively complete composition compound considered contains course crops Croydon deodorizing deposit detailed distribution Ditto doubt effluent water Engineers entirely equal excrement experiments farm filtered filtration flow formed gallon give given grains grass greater green Health increase interesting iron irrigation land less lime liquid sewage London manure means mechanical milk mixed mode natural nitrogen nuisance obtained operations organic matter phosphate pollution practical precipitate present privy produce profit proportion purified quantity raw sewage referred refuse regard removed render Report river Royal Sanitary season separated sewaged grass sewers soil solid solid matter soluble solution substance success supplied suspended tank tion tons Tottenham town treatment tried unsewaged utilization valuable various volume weight whole
Pagina 7 - ... in suspension more than three parts by weight of dry mineral matter, or one part by weight of dry organic matter in 100,000 parts by weight of the liquid.
Pagina 41 - From a given weight of unaewaged grass reckoned in the fresh or green state, more milk was produced than from an equal weight of fresh sewaged grass ; but a given weight of the dry or solid substance supplied in sewage grass was on the average more productive than an equal weight supplied in unsewaged grass.
Pagina 14 - The earth-closet, intelligently managed, furnishes a means of disposing of excrement without nuisance, and apparently without detriment to health. " 2. In communities, the earth-closet system...
Pagina 30 - The process of filtration through sand, gravel, chalk, or certain kinds of soil if properly carried out is the most effective means for the purification of sewage to which reference has yet been made ; indeed, irrigation, as now carried out, owes no inconsiderable amount of its success to the contemporaneous effect of the filtration of the sewage through the soil of the irrigated fields ; for it is precisely in those cases in which the sewage is absorbed and disappears in porous land, that we have...