Fujifilm Reduces The Carbon Footprint Of Its Analogue Inks With Innovative Cleaning Technology At Its Broadstairs Ink Manufacturing Facility

02/05/2023

Moving from solvent to water-based cleaning

Fujifilm's old pot cleaning process involved solvents being sprayed on the walls of the mixing vessels at pressures in excess of 70 bars, thereby removing traces of the ink and decontaminating the surfaces of the pots. This method used around 72,000 litres of chemical-based solvent and generated around 22,000 litres of waste per year.

After the cleaning process, the used solvent, saturated with ink, was pumped into a 24,000 litre storage tank at the Broadstairs site. When full, the tank was drained by a specialist contractor and the solvent waste was removed from the site, via road tanker, to a chemical re-processor. At the re-processor, the waste was separated through distillation, enabling 75% of the solvent to be returned to Fujifilm and used again. A limitation of this method was its inefficiency, with 25% of the material being lost in the recycling process.

In stark contrast, the new Proteus machine and water-based fluids, generate minimal chemical waste and VOCs. With Ambimization , Fujifilm has managed to reduce solvent waste output at its Broadstairs site. This is not only better for the environment, but safer and more pleasant for the on-site Fujifilm team who handle the ink pots before and after cleaning. Fujifilm has reduced its VOC emissions by 91% since switching to the Proteus and Ambimization process.

Reduced fire risks & energy consumption

An additional safety benefit of Ambimization is that it eliminates fire risk - and this is further facilitated by the Proteus machine. With the traditional cleaning method, the solvent formed fine aerosol particles during each cleaning event, because of the high pressure deployed. This created an explosive (ATEX) atmosphere. Although ATEX equipment was installed and steps were taken by staff to reduce this fire risk, the risk still posed a threat.

Moving forward with the Proteus machine, Fujifilm will be able to remove all ATEX rated equipment and save on time that would otherwise have been spent on ATEX health and safety measures within the pot wash area. The Proteus machine is also expected to reduce energy usage by 110,000 kWh per year, making it a hugely worthwhile investment.

Key takeaways

Fujifilm's ink R&D and manufacturing facility in Broadstairs, Kent, has regularly made the news as a four-time winner of the UK's Best Process Plant in 2013, 2015, 2016 and 2017, but it is for its sustainability initiatives that it is now rapidly creating waves.

Fujifilm has paved the way for more ink and coating manufacturers to implement Ambimization by being the first company in the world to pioneer the technology. Since Fujifilm onboarded Ambimization - and the Proteus pot wash machine - Terrafend has introduced the technology to seven additional international major coating and composite manufacturers.

Switching to Ambimization has delivered the following objectives:

Provided a green / sustainable pot cleaning process

Reduced VOC emissions at the Broadstairs site

Reduced energy consumption by approximately 110,000 kWh per year during the pot cleaning process

Future-proofed the Broadstairs site's pot cleaning capability

Eliminated the Broadstairs site's DSEAR risk

Gary Burgess, Manufacturing and CI Manager at FUJIFILM Speciality Ink Systems, comments:

We're thrilled to be the first company in the world to have trialled an Ambimization Proteus machine, installed at our Broadstairs ink manufacturing site. Although the digital ink market continues to grow, screen and flexo inks are still used for a number of printing applications. We've taken a step to reduce waste and energy when it comes to cleaning our ink pots. During the process, we've also reduced VOC emissions and eliminated the site's largest risk. Emily Cassius, Head of Business Development at Terrafend, adds:

This cleaning technology has huge potential to help leading brands - like Fujifilm - to operate more efficiently while reducing risk, waste and carbon footprints. We are pleased to have helped them boost their sustainability credentials and look forward to a continued partnership.

Daniel PorterAD | Communications

E: dporter@adcomms.co.uk

Tel: +44 (0)1372 464470

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Fujifilm Reduces The Carbon Footprint Of Its Analogue Inks With Innovative Cleaning Technology At Its Broadstairs Ink Manufacturing Facility

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