Petrochemical sludge treatment, France
An industrial site in France collecting hazardous sludge from petrol tank washing and mixing with other hydrocarbon sludges sought to improve their sludge dewatering process. The sludge contained a high proportion of inorganic matter, sand, and fibrous residues, including wood and plastic fragments, making it extremely abrasive and difficult to homogenise. The site was separating liquids from solids by sedimentation in a sludge tank. AMCON recommended conducting a pilot test with the VOLUTE DUO™ RVP-241 unit to verify its suitability and performance under these harsh conditions, which led to the full-scale commissioning of the RVP-501 model.
Following the successful pilot phase, the commissioned VOLUTE DUO™ RVP-501 achieved a cake dryness of 43.3% DS and a high throughput of 233.4 kg-DS/h. The capture rate reached 99.6%, and the client is very satisfied. Thanks to AMCON’s recommendation, the client installed a tumbler screen and an agitator in the sludge tank to facilitate the dewatering process. A TS meter is also a crucial element for the installation of the VOLUTE DUO™ dewatering press to optimise polymer consumption when the sludge TS content varies so significantly.
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