Solvent Recovery for Flexible Packaging industries

DEC.SRU™ ♻️ SRU | SRS | SRP

rotogravure | flexo | lamination | coating | lacquering

Flexible Packaging, a versatile and adaptable form of packaging, is widely used across various industries, including food and beverages, pharmaceuticals, and personal care. Its key advantages, lightweight construction, excellent barrier properties, and consumer convenience, make it an ideal choice for protecting and preserving products, directly contributing to an extended shelf life.

Transforming flexible films into functional, finished packaging is a complex process. This is obtained through advanced converting techniques: solvent-based rotogravure printing, flexographic printing, lamination, coating and lacquering. Each of these processes plays a vital role in creating the high-quality, durable, and aesthetically pleasing packaging solutions that protect products and ensure their performance and appearance.

Solvents in Flexible Packaging Converting

The printing and converting processes rely on specialized inks and coatings formulated with specific solvent systems (VOCs). These include both mono-solvent and multi-solvent formulations. Common binder systems for these inks are NC | nitrocellulose and PU | polyurethane. The choice of solvent and binder system is crucial as it affects the ink's adhesion, drying speed, and compatibility with the substrate and subsequent converting steps, such as lamination. The correct ink chemistry ensures vibrant, long-lasting prints and the structural integrity of the final package.

Common solvents in flexible packaging are typically esters, and alcohols. The specific solvent or solvent blend used depends on the printing method (flexo or rotogravure), the ink's properties, and the type of substrate being printed.

The development and adoption of "NT/NK" (No Toluene / No Ketone) ink formulations represent a major step towards more sustainable and safer production. These new formulations rely on alternative solvents, such as esters and alcohols, less harmful to both the environment and human health. This transition not only helps manufacturers comply with increasingly strict global regulations (such as those in Europe and for food packaging) but also improves working conditions for employees and enhances the overall "green" credentials of the final product and definitely simplifying the Solvent Recovery (SRU, SRS, SRP) adoption path. The shift to NT/NK is a testament to the industry's commitment to innovation and sustainability, proving that high-quality, high-performance packaging can be achieved without relying on the most harmful solvents.

Due to the large quantities of solvents (VOCs) used and their potential environmental and health impacts, Solvent Recovery (SRU, SRS, SRP) is a crucial part of modern Flexible Packaging production. This process captures the solvent vapors emitted during the drying phase and separates the solvents from the air, allowing them to be purified and reused. This not only reduces environmental pollution but also provides significant economic benefits by recycling valuable materials. Solvent Recovery helps manufacturers comply with environmental regulations and improves the overall sustainability of the production process.

DEC's Holistic Approach to VOC recovery

Volatile Organic Compounds (VOCs) are a major component of industrial emissions, contributing to ground-level ozone formation, smog, and posing serious health risks. From the solvents in inks used in printing, lamination and coating to the cleaning agents in various operations, VOCs are released into the atmosphere throughout the production cycle. The urgency to address these emissions is underscored by evolving Air Pollution Control Regulations in Flexible Packaging and global directives aimed at Controlling VOC Emissions from packaging industries, using rotogravure, flexo, lamination, coating, lacquering processes.

The challenge of Control of Volatile Organic Emissions from Stationary Sources is a significant one for many Flexible Packaging industries. DEC's solutions are designed for adaptability, allowing for seamless integration into existing infrastructure while maximizing VOC abatement efficiency.

DEC, with its deep-rooted history in technical innovation, has dedicated itself to developing sustainable VOC emission control technologies. DEC's approach is comprehensive, addressing the entire spectrum of Emissions Management - Industrial VOC air filtration and treatment.

These advanced Solvent Recovery Units (SRU, SRS, SRP) are designed to meet the most stringent regulatory requirements, capturing VOCs with impressive efficiency (often up to 99%). Crucially, they enable the direct reuse of recovered solvents, transforming a waste stream into a valuable resource. This not only significantly reduces the environmental impact but also leads to substantial cost savings for businesses, fostering a truly circular economy model.

Ready to Tackle VOC Emissions?

For businesses in the Flexible Packaging sectors, navigating the complexities of environmental regulations and achieving sustainable operations can be daunting. With DEC's proven expertise and innovative technologies, the path to effective VOC reduction in the Flexible Packaging industry becomes clearer.

By partnering with DEC, companies can not only ensure compliance with Control Techniques Guidelines for Flexible Packaging but also embrace a future where their operations are both environmentally responsible and economically sound. Mitigating Emissions in the Flexible Packaging is no longer just a regulatory obligation; it's a strategic imperative.

DEC stands as a testament to the power of innovation in addressing critical environmental challenges. Our commitment to sustainable VOC emission control technologies provides industries with the tools they need to achieve cleaner air, healthier communities, and a more sustainable future.

why DEC?

As the industry leader, DEC has cultivated deep expertise in Solvent Recovery (SRU, SRS, SRP), tailored specifically for the Flexible Packaging industry, using mono-solvent and multi-solvent inks (NC | nitrocellulose and PU | (polyurethane). Our aim is to provide innovative, value-driven solutions that meet your business needs while promoting a cleaner, greener and sustainable environment.

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Our Innovative Solvent Recovery Offerings

Our state-of-the-art Solvent Recovery technologies are meticulously designed to maximize the yield of recovered solvents while dramatically lowering VOC emissions, ensuring compliance with the most stringent regulations. This strategy promotes optimal resource use, significant cost savings, and a substantial reduction in your environmental footprint.

Leveraging decades of experience and a passion for innovation, we offer:

  • Modular Solutions: discover our (SRU_SMS™ • solvent recovery series), designed for scalability and efficiency;
  • Custom-Built Systems: explore our (SRU_CBS™ • solvent recovery series), crafted to meet the unique demands of your operations.
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    Flexible Packaging industry, the VOC recovery challenge

    Activated carbon is used to recover the solvents through adsorption, followed by desorption and recovery. The process involves passing the solvent-laden air stream through beds of activated carbon, where the solvent is adsorbed onto the carbon's surface. The saturated activated carbon is then regenerated, which releases the solvent for recovery and reuse.

    For the Flexible Packaging industry, we offer different activated carbon regeneration processes for VOC recovery:

  • DEC.SRU_RSG™ • TSA inert gas N2 dry regeneration
  • DEC.SRU_RSV™ • TSA steam regeneration
  • Selecting the SRU regeneration process is a decision based on several factors: regulatory requirements, the quantities involved, available utilities, the project's footprint, and the resulting cost-effectiveness.

    Sustainable Solvent Recovery: Economic and Environmental Advantages

    The core advantage of DEC's SRUs lies in their ability to enable the direct reuse of recovered solvents. This paradigm shift from "destruction" to recovery yields substantial benefits across multiple dimensions of sustainability:

    Economic Advantages

  • Reduced Solvent Procurement Costs: direct reuse significantly lessens the need to purchase fresh solvents, leading to considerable operational savings;
  • Lower Disposal Costs: eliminating or drastically reducing hazardous waste disposal expenses associated with spent solvents;
  • Potential for Carbon Credits: compliance with GHG reduction schemes and avoidance of direct CO2 emissions can open avenues for carbon credit accumulation.
  • Environmental Advantages

  • Minimized VOC Emissions: effective capture and recovery dramatically reduce the release of harmful VOCs into the atmosphere, improving air quality;
  • Reduced Carbon Footprint: by avoiding the combustion of solvents, DEC SRUs contribute to a lower carbon footprint, aligning with global climate change initiatives;
  • Conservation of Resources: reusing solvents conserves valuable chemical resources and reduces the environmental impact associated with their production.
  • Achieve Superior Solvent Recovery and Environmental Compliance with DEC Advanced Solutions

    Our state-of-the-art Solvent Recovery technologies are meticulously designed to maximize the yield of recovered solvents while dramatically lowering VOC emissions, ensuring compliance with the most stringent regulations. This strategy promotes optimal resource use, significant cost savings, and a substantial reduction in your environmental footprint.

    By harnessing our years of experience and relentless pursuit of innovation, we have developed a comprehensive range of solvent recovery solutions for the unique challenges faced by Flexible Packaging industries (coating). Our state-of-the-art technologies ensure optimal recovery and purification of solvents, allowing you to maximize your resources, reduce costs (savings), and minimize environmental impact.

  • Smart Modular Systems: discover our (SRU_SMS™ • solvent recovery series), skid designed for scalability and efficiency;
  • Custom-Built Systems: explore our (SRU_CBS™ • solvent recovery series), crafted to meet the unique demands of your operations.
  • Making a Difference Together

    Join us in revolutionizing Solvent Recovery with DEC.SRU™: together, we can drive change towards a more efficient and eco-friendly future.

    A sustainable choice: Solvent Recovery applications in Flexible Packaging manufacturing

    Solvent Recovery Units (DEC.SRU™), also known as Solvent Recovery Systems (SRS) or Solvent Recovery Plants (SRP), are devices used to recover solvents from air emissions of Flexible Packaging production.

    Solvents are used in a variety of industrial processes, including Flexible Packaging, and can be harmful to human health and the environment if released into the air. SRU systems work by capturing the solvents from the air emissions and then recycling them back into the production process. This helps to reduce air pollution and can also save businesses money on the cost of solvents (ROI).

    Solvent Recovery Units (DEC.SRU™) dedicated to Flexible Packaging industries are the best solution to reduce solvent emissions (VOCs) in a sustainable way: no thermal oxidation, no CO2 (DECarbonization).

    The solvent is recovered, for direct reuse, at a fraction of its purchase cost and with a purity even higher than the fresh virgin solvent.

    how it works? Solvent Recovery Units (SRU | SRS | SRP)

    SLA (Solvent Laden Air) is pushed by the fans through a multi-adsorber (activated carbon) system, to allow a high efficiency VOC (Volatile Organic Compounds) capture.

    Once the adsorbent is saturated (automatically monitored by a VOC analyzer), the system is automatically cleansing the adsorbent, through a TSA regeneration cycle. The system can be coupled with an exclusive DEC.PHD™ dehydration process (in gaseous phase), allowing the direct recovery of an anhydrous solvent mix.

    For further info: DEC.RSG™ activated carbon Solvent Recovery systems for pharmaceutical industries, nitrogen regeneration.

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    savings and return of investment: Solvent Recovery Units (SRU | SRS | SRP)

    Solvents used in the Flexible Packaging industries represent a significant cost: DEC Solvent Recovery Units ♻️ SRU | SRS | SRP provide a valuable return on investment by capturing these solvents for direct reuse in the process, leading to reduced operating expenses and improved competitiveness.

    To remain competitive and profitable, Flexible Packaging companies must prioritize sustainability. Solvent Recovery Units minimize waste, significantly reduce CO2 emissions (potentially to zero), and offer a proactive approach to mitigating the potential impact of future carbon taxes.

    Nowadays, Solvent Recovery technology is no longer exclusive to large-scale operations: even companies with relatively low solvent consumption (typically starting from 300 Tons per year) can significantly benefit from a DEC Solvent Recovery Unit. By reducing solvent usage, these units help mitigate the impact of rising solvent costs.

    Recent advancements in process technology (such as DEC.ULP™) have significantly reduced the energy required for activated carbon regeneration (up to 40%), leading to a substantial decrease in operating costs.

    Industry Relevance: the Flexible Packaging manufacturing

    Flexible packaging is a type of packaging that is characterized by its ability to conform and adapt to the shape of the product being packaged: it is widely used in various industries, including food and beverages, pharmaceuticals, personal care products, and more. Flexible packaging offers advantages such as lightweight construction, excellent barrier properties, extended shelf life, and convenience for consumers.

    Rotogravure, flexo, lamination, coating, and lacquering are different processes commonly employed in the production of flexible packaging. Let's take a closer look at each of these processes:

  • Rotogravure Printing
  • Rotogravure printing, also known as gravure printing, is a high-quality and high-speed printing process used for flexible packaging: it involves engraving the desired image or design onto a cylinder, which is then coated with solvent based ink. The engraved cells on the cylinder pick up the ink and transfer it onto the packaging material. The result is a precise and vibrant print, with excellent color reproduction.

  • Flexographic Printing
  • Flexographic printing, or flexo printing, is another widely used printing method in flexible packaging. It utilizes flexible relief plates made of rubber or photopolymer. These plates are mounted on rotating cylinders and transfer ink onto the packaging material. Flexo printing is known for its versatility, fast production speeds, and ability to print on various substrates.

  • Lamination
  • Lamination is the process of bonding multiple layers of materials together to create a composite structure with enhanced properties. In flexible packaging, lamination is commonly used to combine different materials, such as plastic films, aluminum foils, and paper, to create packaging that provides barrier properties, strength, and durability. The layers are bonded together using solvent based or solvent-less adhesives or heat.

  • Coating
  • Coating involves applying a thin layer of material onto the surface of the packaging material to enhance its performance or appearance. Various coatings can be applied, including protective coatings, barrier coatings, UV coatings for enhanced gloss or protection, and more. Coating processes can be used to improve the resistance to moisture, oxygen, light, or chemicals, depending on the specific requirements of the packaging.

  • Lacquering
  • Lacquering is a process that involves applying a clear or colored coating to the surface of the flexible packaging material. It is often used to enhance the appearance of the packaging, provide a glossy or matte finish, and protect the printed design from wear and tear. Lacquers can be applied through various methods such as roller coating, spray coating, or immersion coating.

    Explore More

    Visit our site to see how DEC Solvent Recovery Units (SRUs) can revolutionize your production. Discover how our technology can enhance your efficiency, lower costs, and lead the way in sustainable practices within the Flexible Packaging industry.

    contact DEC

    If you are looking for a reliable and efficient Solvent Recovery Unit, DEC.SRUs™ (Solvent Recovery Units) are the right and best option: DEC.SRUs™ are the most advanced and reliable Solvent Recovery Units on the market, with processes, configurations and options to meet the needs of different applications, present and future challenges. Feel free to contact DEC: we can help you assess your needs and recommend the best SRU for your operation.

    LTKW

    In the flexible packaging industry, implementing the best solvent recovery system for flexible packaging printing inks is essential for enhancing sustainability and profitability. Our cost-effective solvent recovery solutions for flexible packaging laminates and efficient solvent recovery equipment for flexographic printing on flexible films are designed to optimize performance while reducing VOC emissions with solvent recovery in flexible packaging manufacturing. We provide solvent recovery system suppliers for food-grade flexible packaging materials, ensuring compliance with environmental regulations for solvent recovery in flexible packaging. From Solvent Recovery Unit maintenance for flexible packaging production lines to automated solvent recovery systems for high-volume flexible packaging printing, our technology—including solvent recovery for gravure printing on flexible packaging films and water-based inks—delivers energy-efficient solvent recovery methods for flexible packaging production. Learn how to optimize solvent recovery in flexible packaging adhesive applications and explore small-scale solvent recovery systems for flexible packaging pilot plants or customized solvent recovery solutions for specific flexible packaging materials. With easy solvent recovery system installation for flexible packaging converting facilities and expert solvent recovery system troubleshooting for flexible packaging applications, we maximize solvent recovery and reuse in flexible packaging lamination processes. Discover solvent recovery technology for sustainable flexible packaging processes that improves the solvent recovery system ROI for flexible packaging printing operations and positively impacts print quality in flexible packaging production.

    built on innovation,
    inspired by passion

    DEC HOLDING, DEC, Dynamic Environmental Corporation (DEC), DEC IMPIANTI, DEC SERVICE, DEC ENGINEERING, DEC AUTOMATION, DEC LAB, DEC ANALYTICS, DEC Group