Chicago : Engineering and Contracting Pub. Co. · leaf 89
92. Attention should be called to the fact thatthe coagulants which are formed by the re-actions written above gather most of thebacteria and germs of all kinds together aswell as the particles of clay and silt, so thatthe process of coagulation and sedimentationremoves most of the impurities which… … HtoraKu ll( MM House SMtiirmor House Fig. 2.— Details of Headhouse for Water Purification Works at Columbus. Ohio. July 19, 1911. ENGINEERING & CONTRACTING 75 their drinking water and partly because theyobject to spending the necessary money forlabor and coagulant. Such feelings were…
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