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Analysis reveals biocomposting and solidification are effective for sludge from PVC wastewater, suggesting better ecological practices.
The choice of the sludge utilization method at the object of accumulated ecological harm, formed as a result of biological treatment of wastewater from the enterprise for the production of protein-vitamin concentrates (PVC), which functioned in the period from 1973 to 1994, was substantiated. Promising ways of utilization of PVC sludge — biocomposting and solidification — were established. It was confirmed that the results of biocomposting are achieved by using oil-oxidizing biopreparation Rhoder. As an agent for solidification the most effective reagent was quicklime at a content of 10% by weight.
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Grechishcheva et al. (2025) studied this question.
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