Packet 12: Tossup 19

Sukenik and Shelef discovered that many AOMs facilitate an “auto-” form of this process at high pH. Pushing a carrier down a type of plug-flow reactor consisting of a long pipe leads the gas to undergo this process. The minimum concentration needed to induce this process is proportional to the inverse sixth power of counterion charge per the Schulze–Hardy rule. Inducing this (-5[1])process to microbes in a sequential batch reactor generates an (*) activated sludge. Products of this process travel down a sedimentation chamber during water treatment. Peptization redisperses products formed from this process, which is aided by clarifying agents. This process is reversible unlike coagulation. For 10 points, name this process in which colloidal particles aggregate into large clumps. ■END■ (10[1])

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