Phoenix iron salts

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Phoenix iron salts - -5- Page Eight Arizona Republic, Phoenix,...
-5- Page Eight Arizona Republic, Phoenix, Monday Morning, April 29,1940 Guardians Of Health Sewage Made Harmless Grounds Telephone 3-iin b ' x-noemx oecame a saier community, ,rom m puouc nealtn «ana- noint, in which to live, when the city', modern and highly efficient sewage treatment and disposal plant was completed a few yean ago at a cost of ?500,000. » functions day and night, transforming dangerous sewage into an effluent no more offensive or harmful than ordinary irrigation ditch water. Some of the step* involved in this process and some of the $250,000 worth of intricate machinery with which the plant is equipped, are illustrated here. Uppcr left, junk iron is dumped into a reduction tank to extract iron salts which have a part in odor control. Upper left center, an electric detritor removes silt, sand and rock from sewage before it begins the steps of treatment. Ijpper right center, powerful blowers force air upward from the bottoms of the aeration chamber*, seen at the right, as a part of a process that.removes collodlal substances and effects the oxidation and stabilization of sewage. At the left, Miss Alice Mathis, » trained chemist, makes a test to determine the efficiency of treatment, in the equipped chemical laboratory at the plant. The lower l mesentawme idea.of the hndscaptag and beautification PMgM1 ^ that ha» made the sewer plant grounds a garden Instead of » eyesore Dario Travaini, plant superintendent, has proved ft theory that a sewage plant can be made unobjectionable bo» from the standpoint of appearance and fa regard to odors.-fRepu,, lie Staff Photos). various points had 10,000 mark and I

Clipped from
  1. Arizona Republic,
  2. 29 Apr 1940, Mon,
  3. Page 8

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  • Phoenix iron salts

    matt62574 – 25 Oct 2014

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