Sewage Disposal in the United States
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. 1900 edition. Excerpt: ... so far as present Fig. 26.--Cultivated Fii/toatton Area With Adsorption-Ditches. Luton, England. information goes, there is no reason to be urged against drinking the effluents from such filters. No reference has been made in this chapter to the partial cultivation of intermittent filtration areas by the use of the ridge and furrow system, which has been employed in England with more or less success. The new views which we derive from the Lawrence experiments seem to indicate that inasmuch as cultivation would not only interfere with the primary object of sewage purification, but furthermore, cannot as a rule be made profitable on such areas, there is no reason why it should be attempted. The statement made by Mr. Clarke, in 1885, that "if it is proper to dedicate land to use as a park for the pleasure of the public, there is no reason why it may not be dedicated to sewage puri Report of Eliot C. Clarke to Mass. Drain. Com., . 127. fication in order to preserve health," is considerably enforced by the new views. Fig-. 25, however, illustrates a cultivated nitration field Fig. 27.--Method Ok Adapting Intermittent Filtration Ahea To Cultivation, By Means Of Absorption Ditches. at Luton, England, as photographed by Mr. Clarke, in 1885, and Fig. 26 shows a similar nitration area in section, it being common in England to adapt filtration areas to cultivation by means of absorption.'+Tiit Drain r' 'TM-Tile Drain'TM 'W+Tilt Drain Fig. 28.--Section Op High Grade Intermittent Filtration Beds. ditches like those shown in these figures. Fig. 27 is designed to show the method of constructing a high grade of intermittent filtration beds with coarse sand as a filtering material and with tile underdrains. CHAPTER XV. SUB-SURFACE IRRIGATION....
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- 29 Jun 2012
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