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Hammond Ind Filtration Plant 193
Water Works and Sewerage
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acid activated carbon activated sludge aeration alkalinity alum aluminum sulfate amount applied average basin beneﬁt calcium carbonate capacity carbon cent chemical Chemist chloramine chlorine City clariﬁers cleaning coagulation construction corrosion cost deﬁnite dewatering digestion effect effluent Engineer Engr equipment experience ferric ferric chloride ﬁeld ﬁgures Filter ﬁltration ﬁnal ﬁnancing ﬁnd ﬁre ﬁrst ﬁve ﬂoat ﬂoc ﬂocculation ﬂood ﬂow ﬂushing gallons Health Imhoff tank inch incineration industrial installed iron laboratory lime magnetite ment meter method motor municipal odor operation oxygen phenols pipe pollution practice produced pump puriﬁcation raw water removal River sand Sanitary screen Section sedimentation settling sewage treatment sewer sewerage silicate sludge digestion sodium silicate solution speciﬁcations sufﬁcient Supt tanks tests tion treatment plant trickling ﬁlter units utility valve Vater wash wastes water supply York City zeolite