Toxicity management: it's a bug's life


Courtesy of Strathkelvin Instruments Ltd.

Untitled Document

Most biological treatment plants that accept industrial wastewaters expirience problems from time to time with nitrification. Tis can result in failure of the treated effluent to meet ammonia discharge consent levels, and can lead to substantial fines.

The cause of the problem can usually be traced to toxic chemicals in the incoming waste stream. Nitrifying bacteria are much more susceptible to poisoning by toxic chemicals than the carbonaceous bacteria, hence the higher frecuency of breaches of ammonia consents.

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