New Doppstadt solution ensures ordinance compliance

Published 8/7 at 17:47

The amendment to the Bio-waste Ordinance (BioAbfV) has met with a great deal of criticism among experts and associations as it is thought the requirements are technically unfeasible.

Furthermore, it is feared that it will lead to an increase in bio-waste incineration and the reduced marketability of compost. Doppstadt Umwelttechnik GmbH has recently developed a mobile-modular processing concept, which at the time of the BioAbfV amendment being implemented, will increase plant operators’ compliance, reduce the disposal costs thanks to a considerable reduction of the screen oversize, and increase the quantity of applicable, contaminant free compost. 

Due to the ‘smart’ combination of individual Doppstadt machines, operators will benefit from higher plant operating efficiency and a quick return on investment (ROI) from the company’s development. It also adheres to the required limit (in the BioAbfV amendment) of less than 0.5% of foreign material in the bio-waste before the first biological treatment has been made (depending on the overall conditions). Doppstadt has already sold the first mobile-modular plant to a large bio-waste processing enterprise, which has now led to a follow up order. “Our mobile-modular plant concept can already provide solutions today to future legislative requirements. It combines legal certainty with economic benefits, flexibility and risk minimisation. Therefore, the Amendment to the Bio-waste Ordinance is not a handicap, but a chance for plant operators,” says Michael Zeppenfeldt, head of sales Germany for Doppstadt Umwelttechnik GmbH. 

The Doppstadt plant concept is based on a combination of mobile machines, which are suited for various applications. They do not take up too much space and need not necessarily be operated in a processing area. In case of legal changes in the future, users can react flexibly and reliably, either by replacing, extending and/or rearranging the plant or by selling individual machines. The system configuration for contaminant elimination in the field of bio-waste is composed of only three mobile Doppstadt machines. Thanks to the modularity of the system, the processing concept can be rearranged, or extended quickly and flexibly, according to the input quantity and material. The investment costs of such a plant concept amount to much less than €1M. Due to increased efficiency and disposal cost savings, the ROI for a mobile-modular Doppstadt solution can be around two to two and a half years. Furthermore, plant operators profit from a substantial reduction of administrative effort in the approval procedure (compared to stationary plants) as they are independent of target prices and quotas of external plants.

 

Substantial disposal cost savings 

“An upstream separation can remove the contaminants more specifically without removing the valuable, recyclable bio-waste at the same time. In this way, plant operators save a lot of recycling costs,” says Zeppenfeldt. By means of the upstream separation with mobile-modular plants, it is possible to reduce the oversize fraction to be disposed of by approximately 60%-70% regardless of what the legislation requires and in what form. In various plant tests, Doppstadt state that its system could achieve the contaminant elimination value of 0.5% of weight.  “It is undeniable that the Amendment to the Bio-waste Ordinance (BioAbfV) will have a lasting impact on the technology to be used – plant operators will have to invest. But the upstream contaminant removal is not only technically feasible with our mobile-modular plant concepts, but it will yield a return very soon,” Zeppenfeldt concludes.

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