We need your feedback! What improvements would you like to see in BHL? Take our survey! s.si.edu/BHLUserSurvey
Sort By:
  1. Removal of nitrate by an algal system. [Author: Randall L. Brown.
    By: California. Dept. of Water Resources. - Brown, Randall L.
    Publication info: Sacramento];For sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington,1971.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Algae  Biological treatment  Nitrates  Nitrogen removal  Purification  Water  
    View Book
  2. Removal of nitrate by an algal system; phase II. Prepared by California Dept. of Water Resources.
    By: California. Dept. of Water Resources. - United States. Bureau of Reclamation. - United States. Environmental Protection Agency.
    Publication info: Washington,For sale by the Supt. of Docs., U.S. Govt. Print. Off.,1971.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Algae  Biological treatment  Nitrates  Purification  Water  
    View Book
  3. Periodicity of the blue-green algae and their effect on the efficiency of manure-disposal lagoons /
    By: Eby, Harry J. - Hsingh, V. P.
    Publication info: Washington, D.C. :Agricultural Research Service, U.S. Dept. of Agriculture,1972.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Biological treatment  Cyanobacteria  Purification  Sewage  Sewage lagoons  
    View Book
  4. Constructed wetlands for stormwater management : a review / [prepared] for the Metropolitan Toronto and Region Conservation Authority & the Ontario Ministry of the Environment by Mark E. Taylor & Associates.
    By: Mark E. Taylor & Associates. - Metropolitan Toronto and Region Conservation Authority. - Ontario. Ministry of the Environment.
    Publication info: Toronto, Ont. :Mark E. Taylor & Associates,1992.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Biological treatment  Constructed wetlands  Function  Ontario  Purification  Sewage  Sewage lagoons  Storm sewers  Storm water retention basins  Urban runoff  Water  Water quality management  Wetlands  
    View Book
  5. Sewage and the bacterial purification of sewage.
    By: Rideal, Samuel,
    Edition: 3d ed.
    Publication info: LondonThe Sanitary publishing co.1906
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Bacteria  Biological treatment  Sewage disposal  Sewage Purification  
    View Book