03_07_2025

La cryogenic cleaningalso known as cryopolishing, represents a revolution for many industries that need to remove contaminants without resorting to harsh chemicals or abrasive methods. This innovative method uses dry ice to clean surfaces gently and effectively, preserving the integrity of treated materials.

DKR introduced this new service, using Biogenic CO2 produced by SIADa leading company in the industry. This choice not only guarantees maximum effectiveness in removing contaminants, but also ensures an environmentally sustainable approach. The use of biogenic CO2 reduces environmental impact, contributing to a more ecological and responsible cleaning process.

With this advanced technology, industries can maintain high standards of cleanliness and safety while improving the sustainability of their operations. Cryo-cleaning therefore proves to be an ideal solution for those seeking efficiency and respect for the environment.

What is cryogenic cleaning?

Cryopolishing, also known as cryogenic blasting or dry ice blasting, is an advanced cleaning technology that employs small pellets of dry ice (solid CO2 at -78.5°C) projected at sonic or supersonic speed onto the surface to be treated. This innovative process uses the combined mechanical and thermal action to remove contaminants without abrasion, generating a detaching effect of impurities without leaving secondary residues, making it ideal for a wide range of applications.

Advantages of cryopurification

 

✅ No secondary residues: dry ice sublimates immediately on contact, eliminating the need for post-treatment cleaning and reducing the associated time and costs.

✅ Safe cleaning of delicate components: this technology is particularly suitable for cleaning electrical parts, switches and sensors, ensuring the safety and integrity of the most sensitive components.

 Environmental safety: does not use harmful chemicals, contributing to a safer working environment and reducing water consumption, a significant advantage for sustainability-conscious companies.

✅ Minimisation of downtime: the process is extremely quick and does not require the dismantling of equipment, allowing operations to resume almost immediately and improving operational efficiency.

✅ Compatible with different sectors: cryo-cleaning's versatility makes it usable in a variety of sectors, including industry, food, manufacturing, and even urban art, offering effective and non-invasive cleaning solutions.

This technology represents a significant step forward in the field of industrial cleaning, offering solutions that combine efficiency, safety and environmental friendliness.

Applications of cryopurification in industrial sectors

Plastic injection moulds: the perfect solution for effective cleaning

Plastic injection moulding companies constantly face the challenge of removing residual material from moulds. Traditional techniques, such as the use of blades or chemical solvents, can damage surfaces and reduce the life of moulds. With cryogenic cleaning, contaminants such as oil, grease and plastic residues are removed without abrasion, preserving mould integrity and reducing downtime. This innovative method not only extends mould life, but also improves production efficiency, enabling companies to maintain high standards of quality and precision.

Food industry: stop contamination risks

In the food industry, the cleaning and sanitising of equipment is essential to ensure product safety. Traditional solutions, such as caustic soda and water, can leave chemical residues or encourage the proliferation of dangerous bacteria such as Listeria monocytogenes. The use of Biogenic CO2 for cryo-cleaning eliminates the risk of bacterial contaminationeffectively removing organic residues without leaving traces of moisture or chemicals. This environmentally friendly approach ensures that plants remain safe and compliant with health regulations, protecting consumer health and brand integrity.

Microbreweries: deep cleaning without residues

In microbreweries, plant cleaning is essential for maintaining beer quality. The use of water and detergents can leave unwanted residues and generate waste. Cryogenic cleaning allows yeast, hop residues and proteins to be removed without using water, avoiding contamination risks and reducing plant downtime. This method not only preserves the authentic taste of beer, but also contributes to a more sustainable production process, reducing environmental impact and operating costs.

Municipalities and waterworks operators: removal of graffiti and contaminants

Municipalities and water utilities can benefit from cryo-cleaning for the removal of graffiti, scale and contaminants from public surfaces such as statues, monuments and walls. This method is ecological and effectiveavoiding the use of harmful chemicals and reducing the environmental impact of urban maintenance. Cryo-cleaning preserves cultural heritage and improves urban aesthetics, offering a maintenance solution that respects the environment and local communities.

Roasting plants: cleaning of cooling drums

Coffee roasters face the problem of the accumulation of carbon residues in the coffee cooling drums, which can alter the aroma and quality of the final product. Cryo-cleaning offers a non-abrasive and environmentally friendly solution to completely remove these residues without compromising the equipment surfaces. This process ensures that the coffee retains its rich, authentic flavour, enhancing the consumer experience and sustaining the brand reputation.

Why choose the DKR service?

Unlike large companies, DKR offers a flexible and customised service, adapting to the specific needs of each customer. In addition to the supply of equipment and consumables, DKR provides specialised teams to perform spot treatmentstargeted interventions lasting one or more days, ideal for companies that need deep cleaning without investing in a fixed installation.

This approach is particularly advantageous for companies wishing to test the effectiveness of cryo-cleaning before implementing it on a large scale.

 A strategic partner: SIAD and biogenic CO2

Our collaboration with SIADa leading manufacturer of industrial and technical gases, allows us to guarantee a sustainable, high quality approach. The use of Biogenic CO2 reinforces our commitment to efficient and environmentally friendly industrial cleaning.

 Discover the future of industrial cleaning

Whether your company operates in the plastics, food, microbreweries, roasting or urban maintenance sectors, contact DKR to discover the benefits of cryogenic cleaning. Join the industrial cleaning revolution with a safe, effective and environmentally friendly solution.

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