Activated sludge


(def 8).
noun
a m-ss of aerated precipitated sewage added to untreated sewage to bring about purification by hastening decomposition by microorganisms

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  • Activates

    to make active; cause to function or act. physics. to render more reactive; excite: to activate a molecule. to induce radioactivity. to aerate (sewage) in order to accelerate decomposition of impure organic matter by microorganisms. chemistry. to make (carbon, a catalyst, molecules, etc.) more . to hasten (reactions) by various means, as heating. to place […]

  • Activation analysis

    a method for the qualitative and quant-tative determination of trace amounts of various elements by measuring the characteristic radioactive decay induced by neutron bombardment.

  • Activation

    to make active; cause to function or act. physics. to render more reactive; excite: to activate a molecule. to induce radioactivity. to aerate (sewage) in order to accelerate decomposition of impure organic matter by microorganisms. chemistry. to make (carbon, a catalyst, molecules, etc.) more . to hasten (reactions) by various means, as heating. to place […]

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