By changing the classification of many wastes for physico-chemical treatment due to the German Major Accident Hazards Regulations (Störfallverordnung), physico-chemical WWTPs may also be subject to these regulations. This applies to new construction projects, but also to older physico-chemical systems when being reviewed. If hazardous wastes exceed certain quantity limits, the operator must observe the relevant requirements stated in the Störfallverordnung. This means that the plant manufacturer must assess the plant technology and the processes considering the safety aspects of the Störfallverordnung, apart from the known legal requirements (such as the AwSV – Ordinance on Installations for the Handling of Substances Hazardous to Waters -, the EC Machinery Directive (2006/42/EG) and other regulations).
This was successfully carried out in an ongoing project for an OKO-tech physico-chemical WWTP OKO-CPA 4.0 together with the customer. The treatment processes in the overall concept of the OKO-CPA 4.0 as well as individual components such as the rotary sieve OKO-RoSi II for the separation of coarse particles, the OKO-select oil 29 tanks specially designed for separating the three phases oil, water, and sludge and the flotation system OKO-aquaclean were given a positive assessment by the auditor for the use in physico-chemical WWTPs that are subject to the Störfallverordnung.
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