作者: Andrzej Wilczak , David R. Hokanson , R. Rhodes Trussell , Manouchehr Boozarpour , Andrew F. Degraca
DOI: 10.1002/J.1551-8833.2010.TB10072.X
关键词:
摘要: … 1938 Hetch Hetchy water pH is raised to 8.5 with quick lime at the end of the Hetch Hetchy Aqueduct. Lime addition is used to stop red water complaints; blend is served at pH 7.7. …