Paperback: 186 pages
Publisher: Forgotten Books (July 5, 2017)
Product Dimensions: 6 x 0.4 x 9 inches
Amazon Rank: 4201791
Format: PDF Text TXT ebook
Excerpt from Water Softening and Purification: The Softening and Clarification of Hard and Dirty WatersRain water and distilled water being unavail able, manufacturers have to depend either upon the town supply or upon the water which they can draw from springs, wells or streams. Such waters are generally what is called hard.Hard water contains in solution the bicarbonates, sulphates, chlorides or nitrates of lime and magnesia. The bicarbonate of...