Report of the Results Obtained With Experimental Filters At the Pettaconset Pump
Report of the Results Obtained With Experimental Filters At the Pettaconset Pump
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to do with the above-mentioned condition of the filter. This is hardly probable, however, as on July 27 and August 17, and Oc- tober 11 and 12, one (1) liter of bouillon containing Cruiek- shank's Bacillus was daily applied to the filter without having any apparent detrimental effect.
After consulting with Professor J. IT. Appleton, and experi- menting with several salts and acids upon small quantities of quartz taken from the filter-bed, it was found that a solution of one (1) part of Caustic ...Soda and twenty-four (24) parts of water would cleanse the samples of quartz very thoroughly, the quartz being bleached during the operation from a dark brown color, to a color which was very nearly as light as the original color of the quartz when it was first put into the filter. It was decided, owing to this discovery, to cleanse the filter with the above-mentioned solution. This was done by washing the filter and filter-bed, under a head of about twenty-five feet, in the same manner that \vas generally followed in washing the filter and filter-bed with water, with the exception that the filter and bed were washed three times with the same solution, the solution being drained off and pumped up into a tank at the end of each washing.
What to read after Report of the Results Obtained With Experimental Filters At the Pettaconset Pump?
You can find similar books in the "Read Also" column, or choose other free books by Edmund B Edmund Brownell Weston to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
to do with the above-mentioned condition of the filter. This is hardly probable, however, as on July 27 and August 17, and Oc- tober 11 and 12, one (1) liter of bouillon containing Cruiek- shank's Bacillus was daily applied to the filter without having any apparent detrimental effect.
After consulting with Professor J. IT. Appleton, and experi- menting with several salts and acids upon small quantities of quartz taken from the filter-bed, it was found that a solution of one (1) part of Caustic ...Soda and twenty-four (24) parts of water would cleanse the samples of quartz very thoroughly, the quartz being bleached during the operation from a dark brown color, to a color which was very nearly as light as the original color of the quartz when it was first put into the filter. It was decided, owing to this discovery, to cleanse the filter with the above-mentioned solution. This was done by washing the filter and filter-bed, under a head of about twenty-five feet, in the same manner that \vas generally followed in washing the filter and filter-bed with water, with the exception that the filter and bed were washed three times with the same solution, the solution being drained off and pumped up into a tank at the end of each washing.
What to read after Report of the Results Obtained With Experimental Filters At the Pettaconset Pump?
You can find similar books in the "Read Also" column, or choose other free books by Edmund B Edmund Brownell Weston to read onlineMoreLess
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