A Handbook of Sewage Utilization by Ulick Ralph BurkeA Handbook of Sewage Utilization by Ulick Ralph Burke

A Handbook of Sewage Utilization

byUlick Ralph Burke

Paperback | February 6, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1872. Excerpt: ... Committee that sewage farming near London ought to be market gardening." It will be well to bear in mind, while considering the various modes of sewage irrigation, that the chief valuable ingredients in ordinary sewage are: 1st, the various forms of nitrogen; 2nd, phosphoric acid. The money value of these constituents in solution in 100 tons of average sewage is about 15s.; while the matter in suspension in the same quantity is worth only about 2s. Tottenham Sep., p. 9. The latter only is retained by precipitation, the former can only be separated by chemical agency on the action of plants growing in the soil through which the sewage is filtered. The advantage of plant-filtration, which retains the matter in solution, over merely mechanical filtration, which only retains that in suspension, becomes immediately clear. Before proceeding any farther to consider the merits of sewage irrigation, we will say a few words as to the disadvantages of the system, which are chiefly: 1st, that the cost of partial distribution prevents the profitable application of the sewage to any but grass land; 2nd, that a vast amount of sewage is applied to land when it does not need it; 3rd, that owing to the dilution of the sewage with the surface water, its application in wet weather may be positively injurious. But it will be remarked: first, that these disadvantages only touch the farmer and not the sanitary reformer; and secondly, the success in an economic point of view of the system in some places proves that, however much these disadvantages may detract from the benefits to be derived from the application of sewage to land, irrigation can be successfully carried on in spite of them. In fact, the first difficulty may be got over by laying down the farm to be sewaged almost...
Title:A Handbook of Sewage UtilizationFormat:PaperbackDimensions:20 pages, 9.69 × 7.44 × 0.04 inPublished:February 6, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217767559

ISBN - 13:9780217767552