Showing 1 - 4 results of 4 for search 'Ettlich, William F.', query time: 0.02s Refine Results
  1. 1
    A study of forced aeration composting of wastewater sludge /

    A study of forced aeration composting of wastewater sludge / by Ettlich, William F.

    Published 1978
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  2. 2
    Operations manual : sludge handling and conditioning /

    Operations manual : sludge handling and conditioning / by Ettlich, William F.

    Published 1978
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  3. 3
    A comparison of oxidation ditch plants to competing processes for secondary and advanced treatment of municipal wastes /

    A comparison of oxidation ditch plants to competing processes for secondary and advanced treatment of municipal wastes / by Ettlich, William F.

    Published 1978
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  4. 4
    Transport of sewage sludge /

    Transport of sewage sludge / by Ettlich, William F.

    Published 1977
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