TY - CHAP DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: Public Domain Mark 1.0 TI - Figure 4. General View of a Slow Sand Filter Plant T2 - Water Purification Plants and their Operation ID - 81ul6hm AU - Stein, Milton F. PB - John Wiley & Sons CY - New York (State) DA - 1915/// YR - 1915 AV - TD430 .S45 1915 VL - TD430 .S45 1915 AN - TD430 .S45 1915 UR - https://digital.sciencehistory.org/works/81ul6hm AB - An aerial illustration of a slow sand water filtering plant with cutouts to depict underground activity. From Water Purification Plants and Their Operation, a volume primarily intended for non-technical operators of small water purification plants, and particularly of one where chemicals are used. Provides a concise overview of the operation of water-purification plants. The publication seeks to reach audiences of varying scientific backgrounds, and so includes chapters detailing the various types of plants and the natural chemistry of water in more basic terms. KW - Water KW - Water--Purification KW - Water quality KW - Water quality--Testing KW - Water--Softening KW - Water--Purification--Coagulation KW - Water--Purification--Filtration LA - English ER -