Principles of Sewage Treatment
Principles of Sewage Treatment
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In our eReader you can find the full English version of the book. Read Principles of Sewage Treatment Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Principles of Sewage Treatment
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The obtaining of a sludge containing only a few per cent, less water may mean a very considerable reduction in working expenses.
If the cost of a method of purification were to be calculated on the cost necessary to remove a ton of sludge from the sewage, chemical precipitation would appear as the cheapest; for by this process the removal of a ton of sludge costs from a shilling to eighteenpence. By means of sedimentation the cost is from four to six shillings, and, by means of screens, ten to ...twenty shillings. Such figures are, however, very deceptive; for chemical precipitation yields two to three times as much sludge as sedimentation, without the hygienic value of the result being two to three times as great. If the cost per million gallons of sewage treated is calculated, the results are also deceptive ; for, according to the water consumption of the town, the same volume of sewage may be represented by two or three persons in one town and by ten or more in another. Birmingham, for example, with a population of 820,000, produces 25,000,000 gallons of sewage daily, i,e.
What to read after Principles of Sewage Treatment?
You can find similar books in the "Read Also" column, or choose other free books by William Phillips Dunbar to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The obtaining of a sludge containing only a few per cent, less water may mean a very considerable reduction in working expenses.
If the cost of a method of purification were to be calculated on the cost necessary to remove a ton of sludge from the sewage, chemical precipitation would appear as the cheapest; for by this process the removal of a ton of sludge costs from a shilling to eighteenpence. By means of sedimentation the cost is from four to six shillings, and, by means of screens, ten to ...twenty shillings. Such figures are, however, very deceptive; for chemical precipitation yields two to three times as much sludge as sedimentation, without the hygienic value of the result being two to three times as great. If the cost per million gallons of sewage treated is calculated, the results are also deceptive ; for, according to the water consumption of the town, the same volume of sewage may be represented by two or three persons in one town and by ten or more in another. Birmingham, for example, with a population of 820,000, produces 25,000,000 gallons of sewage daily, i,e.
What to read after Principles of Sewage Treatment?
You can find similar books in the "Read Also" column, or choose other free books by William Phillips Dunbar to read onlineMoreLess
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