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acre per annum adopted advantage ammonia amount of sewage Appendix arable land Ashby-de-la-Zouch average Beddington carbon charcoal chemical clay Commissioners compound contains Craigentinny crops Croydon deodorizing Ditto earth-closet effluent water Engineers excrement experiments filtered filtration given amount grains green grass human manure impurities iron land lime process liquid sewage magnesia manure matter in solution meadow milk mixed mixture mode Moule's Norwood nuisance obtained operations at 49 organic matter organic nitrogen outfall oxidation phosphate of alumina phosphoric acid POCKET-BOOK pollution of rivers precipitate privy produce profit proportion purification of sewage purifying raw sewage held removed Report river Wandle rye-grass Sanitary sewage farm sewage irrigation sewage operations sewage per acre Sewage Utilization sewaged grass sewers soil solid matter soluble substance success sulphuric acid suspended matter system of sewage tank Thames tion tons of green tons of sewage Tott Tottenham town sewage treatment unsewaged valuable various water-closet whole
Página 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.
Página 41 - ... increase, but especially of milk, on the unsewaged than on the sewaged grass. 14. From a given weight of unsewaged 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.
Página 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...
Página 7 - Any liquid which contains in 100,000 parts by weight more than one part by weight of sulphur, in the condition either of sulphuretted hydrogen or of a soluble sulphuret.
Página vi - Commission appointed to inquire into the best mode of distributing the Sewage of Towns, and applying it to beneficial and profitable uses.
Página 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...