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At Green Ice Technologies, our mission is to revolutionize the cleaning industry with the incredible power of dry ice blasting. We take pride in offering an eco-friendly solution that not only exceeds expectations but also leaves a positive impact on the environment.
With our cutting-edge technology, we provide a safe and efficient cleaning method that eliminates the need for harmful chemicals or abrasive materials. Our friendly and knowledgeable team is dedicated to delivering exceptional results, ensuring the utmost satisfaction of our valued customers.
We believe in the greatness of dry ice blasting and its ability to transform any cleaning task into a hassle-free experience. By harnessing the power of dry ice, we are able to effectively remove stubborn dirt, grime, and contaminants from a wide range of surfaces, without causing any damage.
Our commitment to excellence extends beyond our services; we are committed to promoting sustainability and preserving our planet. By choosing Green Ice Technologies, you are not only investing in a superior cleaning solution, but also contributing to a greener future.
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Dry ice blasting can be used virtually anywhere, as long as there is proper ventilation. It is safe to use with food processing equipment, does not release harmful gases into the atmosphere and has been approved by the EPA, FDA and USDA as an acceptable material in cleaning methods.
This is where nothing can even come close to all the benefits of using dry ice for cleaning!
Dry ice is the product of a carbon capture and utilization (CCU) process in which CO2 is captured at industrial and biogas facilities, recycled, and converted to dry ice.
The CO2 that would have otherwise been discarded as waste is given a second life as a cooling and cleaning medium.
Reduce or Eliminate Water Usage
- Water risk and water scarcity are major environmental concerns – especially in developing countries
- An estimated 40% of water at industrial facilities is used for sanitation
- The rising cost of water is a major concern
Reduce or Eliminate Chemical Usage
- Eliminate downstream contamination
- Workers are not exposed to chemical cleaning agents and airborne particulate
- Dry ice reduces GhG scores by eliminating the need
Reduce Waste
- Traditional cleaning practices require single use brushes, pads, and rags that end up in landfills
Reduce or Eliminate Chemical Usage
- Eliminate downstream contamination
- Workers are not exposed to chemical cleaning agents and airborne particulate
- Dry ice reduces GhG scores by eliminating the need for solvent cleaning[2]i
Increase Energy Efficiency
- Dry ice blasting enables more frequent cleanings, which ensures heavy machinery is operating at peak energy efficiency
No Additional Emission Scoring
The use of dry ice does not add to your greenhouse gas (GhG) emissions/CO2e or carbon footprint calculation.
The CO2 that forms dry ice was already accounted for when it was produced at the industrial or biogas facility. The CO2 that forms dry ice is considered a recycled product.
Dry ice blasting, or dry ice cleaning, is similar to sand, bead and soda blasting in that it prepares and cleans surfaces using a medium accelerated in a pressurized air stream. It differs in that dry ice cleaning uses solid carbon dioxide (CO2) pellets or MicroParticles, accelerated at high velocities to impinge on the surface and clean it. The particles sublimate upon impact, lifting dirt and contaminants off the underlying substrate without damage.
Dry ice is the solid form of Carbon Dioxide (CO2). CO2 is colorless, tasteless, odorless gas found naturally in our atmosphere. dry ice has a surface temperature of -109.3 degrees Fahrenheit (-78.5 degrees C). Dry ice also has the very nice feature of sublimation — as it breaks down, it turns directly into carbon dioxide gas rather than a liquid.
The dry ice blasting process has unique characteristics that differentiate it from other cleaning methods and other media blasting methods.
The dry ice cleaning method is:
- Non-abrasive
- Non-conductive
- Non-flammable
- Non-toxic
- Environmentally responsible
The dry ice blasting process does not create secondary waste. The dry ice sublimates, or phase transitions from solid CO2 to gaseous CO2, when it impacts the surface being cleaned. This eliminates the secondary waste stream that is created with other media blasting techniques. The only remaining waste products are the dislodged contaminants, which can be vacuumed or swept away.
Dry ice blasting was originally developed to remove paint and coating from airplanes in the 1970’s. The technology has been developed commercially by Cold Jet since 1986.
Dry ice blasting is also known as CO2 blasting or cryogenic cleaning.
Many types of materials can be removed using an ice blasting machine. A few are listed below.
- Grease
- Oil
- Adhesives
- Asphalt
- Decals
- Paint
- Tar
- Ink
- Soot
- Dirt
- Resins
The first stage is thermal shock, a transient mechanical load caused by a rapid change in temperature. During dry ice blasting, thermal shock occurs because the surface contaminants or coatings freeze so rapidly that they become brittle and fracture. In more technical terms, the temperature-induced stresses and strains of such a rapid thermal change are greater than the ultimate strength of the material. This causes the surface coatings or contaminants to crack, which is necessary for their removal.
The second stage is impact, which occurs when the dry ice pellets strike the target surface at a high rate of speed. During this collision, the energy and momentum of the dry ice particles is transferred to the surface material, which is already brittle and fractured because of the thermal shock from stage one. The result of this second-stage impact is the deformation and movement of the unwanted materials so that they begin to detach from the surface.
The third and final stage of dry ice blasting is expansion shock, which actually removes the surface contaminants or coatings. Expansion shock occurs because the heat transfer and rapid sublimation of the dry ice pellets produces an instant expansion of gas. When combined with the impact of the CO2 pellets colliding with the target surface, dry ice cleaning physically removes the surface contaminants or coatings. The sublimation of the dry ice also means that there is no media to cleanup.
When comparing dry ice blasting to other cleaning methods, such as abrasive blasting (sand, bead, etc), soda blasting, pressure washing, chemical solvent washing and manual hand tools, it is important to ask the following questions of each:
- Is it abrasive?
- Does it create secondary waste?
- Is it environmentally responsible?
- Is it toxic?
- Is it electrically conductive?
The attributes of each cleaning method not only affect the cleaning result, but also dramatically affect the surface area being cleaned, the surrounding area and the safety of the person performing the cleaning.
Below is an overview of dry ice blasting vs. alternative cleaning methods.
* Upon contact, the media becomes contaminated when used to clean hazardous substances and objects. These blasting materials are also then classified as toxic waste and require appropriate safe disposal.
Dry ice blasting is used for a wide variety of cleaning, surface preparation and parts finishing applications in a diverse range of industries. We are finding more and more uses for dry ice cleaning every year!
Dry ice cleaning is successfully used in the following industries:
- Aerospace
- Automotive
- Contract Cleaning
- Composite Tool Cleaning
- Electric Motor
- Engineered Wood
- Fire Restoration
- Food and Beverage
- Foundry
- General Maintenance & Facilities
- Historical Restoration
- Medical Device Manufacturing
- Mold Remediation
- Oil and Gas
- Packaging
- Plastics
- Power Generation
- Printing
- Rubber
- Textile
The amount of dry ice needed to clean effectively varies from application to application and also can vary dramatically with each dry ice blasting system.
The average dry ice consumption for dry ice blasting equipment will range from approximately 0.7 lbs (0.32 kg) per minute for a MicroParticle system to 2 1/2 lbs (1.1 kg) per minute for a pellet system.
Yes, but not dramatically. The amount of cooling depends on the substrate material, the dwell time of the dry ice blast stream, and the dry ice usage. For example, a 30 inch (76.2 cm) by 30 inch (76.2 cm) rubber mold may have an initial temperature of 325°F (162.8°C). After the tool has been blasted clean (approximately 12 minutes), the temperature of the mold is about 300°F (148.9°C).
Alternative cleaning methods are time consuming, labor intensive and costly. Manual scraping or scrubbing with wire brushes and water or chemicals can consume many hours and result in extended downtime. It can also cause damage to equipment and shorten asset life or make it less productive.
The unique characteristics of dry ice make it the perfect cleaning media.
Dry ice is non-abrasive and non-conductive and will not damage surfaces or equipment. It sublimates on impact, leaving behind no secondary waste. It is also non-toxic and safe for employees.
These attributes make dry ice cleaning an efficient, cost effective and environmentally responsible cleaning solution.
Dry ice cleaning enables:
- Reduced costs
- Improved productivity
- Prolonged equipment life
- Improved worker safety
- Enhanced sustainability efforts
1) Reduced costs
Dry ice cleaning reduces labor costs because it can be done quickly by one person and in significantly less time than conventional manual labor. This enables a cleaner clean, even in situations that are difficult or unpopular to clean by hand or with other conventional methods. In some instances, cleaning time will be measured in minutes instead of hours.
2) Improved productivity
Dry ice blasting does not require water or create secondary waste, which allows equipment to be cleaned while hot and online. This eliminates the need to perform timely equipment disassembly and helps to reduce shut down times.
By cleaning equipment in less time, facilities are able to get more production cycles from existing equipment. Preventive maintenance or spot cleaning can also be done more frequently without impacting production. This increases tool uptime, which extends production runs and reduces downtime associated with cleaning.
3) Prolonged equipment life
Dry ice cleaning is a dry process that is non-abrasive and non-conductive; meaning it won’t damage equipment and is safe for most surfaces, including electrical components. Other cleaning methods, such as manual scraping or scrubbing with chemical solvents, are abrasive and corrosive and can damage the equipment or wear it down. By extending the life of key assets, dry ice blasting can save significant amounts of money.
4) Improved worker safety
Dry ice cleaning eliminates exposure to toxic cleaning materials. The process also eliminates repetitive motions of hand cleaning, scrubbing, chiseling or activities that require pounding, sanding or scraping.
5) Enhanced sustainability efforts
When using solid grit media or water for cleaning hazardous materials, the cleaning media also becomes hazardous, requiring special handling, disposal and regulatory reporting. The resulting waste can also create downstream contamination that effects surrounding installations. Dry ice does not create waste stream additions.