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Sign upJanuary 1, 2019
ProAccess Sweden AB
Härnösand
ProAccess Sweden AB is the maintenance contractor engaged by the local authorities for surface treatment (removal of old paint and rust before re-painting) of Högakustenbron Bridge in Sweden. They collaborated annually with Pinovo from 2019 during the summer maintenance period. Using rope access which eliminates the need for expensive and time consuming scaffolding rental and installation/removal, Pinovo’s patented PiCo Pipe tools were used for surface treatment of the painted steel cables on the bridge.
Between 2019 and 2021, an estimated 1,500 kg of paint microplastics were successfully recovered and safely disposed of, preventing environmental contamination and showcasing the effectiveness of the recovery process.
Over its normal life, paint is removed during surface treatment/maintenance. The predominant methods of surface maintenance are open grit blasting and water jet blasting. They crush old paint into microplastics, and if these microplastics are not collected (and for the most part, with the traditional systems they are not!), those paint microplastics are released into the environment. To tackle this challenge, the Pinovo system delivers a solution that removes paint and rust from corroded steel surfaces, without microplastics emissions. Inside the tools, grit hits the surface to be treated at high speed. The old paint and rust are then sucked back into the system by vacuum, and are kept in a closed loop and not released into the environment. The grit is recycled and reused 10 to 20 times. After treatment, the surface has a superior finish, and is ready for the new coating. In this way, Pinovo's circular system stops the contamination of the oceans with the paint microplastics from traditional open grit blasting and water jet blasting methods, specifically addressing the objectives of SDG14.1.
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