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Anaerobic digester cleaning

Franchini S.p.A. Servizi Ecologici offers a turnkey digester and sewage treatment plant cleaning service starting from the inerting and securing phase up to the delivery of the clean and gas-free digester. A leading company in the Italian market in the service of cleaning and reclamation of anaerobic digesters, Franchini S.p.A. has specialised and adequately trained personnel and all the technology and machinery necessary to carry out all the activities required to deliver the product clean and gas free.

The service is developed in three phases

1 - Technical inspection

Specialist technical activity aimed at collecting all the sensitive data combined with samples necessary for the development of a correct service design. An on-site inspection is carried out at the site or plant to be remediated, the work required for proper intervention is identified, and the quantity and quality of material to be removed is identified.

2 - Feasibility analysis and classification - intervention design

From the technical analysis of the data collected during the inspection carried out and the results of the analytical tests performed at our analysis laboratory, the best intervention methods and the relative commercial offer are defined and designed.

3 - Inertisation, cleaning and reclamation intervention

Securing by inertisation of the artefact to be cleaned is the first phase of the service and preparatory to all subsequent ones. Nitrogen is an inert, dry and clean technical gas, effective in securing potentially explosive spaces/volumes (tanks, pipes and anaerobic digesters). Nitrogen infusion reduces the possibility of combustion in potentially explosive environments through the generation of stable gas mixtures. Inertisation using nitrogen takes place according to different procedures, depending on the needs and conditions of the environment to be reclaimed and rendered inert. Through special machinery and equipment, operated by highly specialised and qualified technical personnel, the digester cleaning operation is then performed.


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