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Ozone is used as a sanitizer in Clean-In-Place (CIP) Systems

The use of ozone sanitation in Clean-In-Place (CIP) systems offers many advantages to the beverage and food industries. Ozone is an environmentally friendly disinfectant that leaves no residual or by-products after the disinfecting process. Ozone is also a safe sanitizer with no need for chemical storage, handling, or related safety issues. The use of ozone may eliminate the need of some hot water cycles, reducing the amount of water used, and the energy costs associated with hot water. These costs savings in conjunction with chemical savings have made ozone a cost saving measure in some applications.

Ozone has been used extensively in the beverage industry for disinfection of the product, bottles, and fillers. The use of ozone in this industry has been widespread since the FDA gave ozone GRAS approval in November 1892 (21 CFR 184.1563). The use of ozone as a surface sanitizer, and for direct contact with food, has also grown more recently. In 2001, ozone was given a GRAS approval for direct contact with all meat and poultry products (FSIS Directive 7120.1).

Benefits of ozone use in CIP Processes

• Ozone has no residuals or by-products that could alter flavors of a beverage or other product.
• Ozone sanitation may replace hot water cycles, lowering energy costs.
• Chemicals like chlorine or other sanitizers can be eliminated, saving cost and labor in handling/transporting chemicals.
• CIP rinse/cleaning cycles can be combined using ozone; saving water and time. This may allow for more processing time, due to a shorter CIP cycle time.

Effect of Ozone on Bacteria

Ozone's reactive properties allow it to quickly kill bacteria. In fact, ozone is ten times stronger than chlorine as a disinfectant.

 

Potential cost savings of ozone use in CIP Processes

• Water savings due to fewer cycles during CIP processes.
• Chemical amounts may be reduced, saving chemical costs.
• Water savings will translate to less wastewater, and potentially cleaner wastewater, eliminating chemical by-products.
• Fewer CIP cycles shortens overall downtime for the CIP process.
• Energy costs may be lowered due to less hot water consumption.

Ozone use for CIP Systems in the beverage industry

The use of ozone in the beverage industry can be attributed to process and downtime improvements more than cost savings. In the wine and beer industries, ozone is very attractive due to the sensitive nature of the final products. Ozone is very attractive as there is no residual left behind by the sanitation process to alter the flavor of the wine or beer.

A summary of research done on ozone used to sanitize beer lines and pipes can be found here.

The journal of the International Ozone Association published a paper on ozone use for CIP systems in the wine industry. This paper can be viewed and purchased here.

Other applications in the beverage industries have favored the use of ozone strictly for cost saving measures. With less downtime from the CIP process, production can be increased. A study from 2008 at a beverage plant found total cuts to the CIP process saved 180 minutes each production day. This resulted in a dramatic profitability improvement to this plant. More about this study can be found here.

Ozone use for CIP Systems in Food Extraction Processes

Extraction processes are continually evolving and using new methods to extract biological components from food products. In the past, many extraction processes used heat and chemicals to dissolve biological components in food products. Today many extraction processes are using cooler and less harsh methods to extract desired proteins. This creates a microbiological concern in the product and manufacturing environment. Ozone has been used successfully in the gaseous form to disinfect the final product, but also in the CIP processes of these systems. Due the lack of residual left by ozone it is an attractive solution to the microbiological problems that may be present in these applications.

Oxidizing Potential of Ozone

Ozone is the strongest oxidant on the Market. Other chemical solutions just can't compare.

Ozone use at Dairy Farms in the CIP process

When thinking of CIP processes, dairy farms are not usually the first application that comes to mind. However, dairy farms are one of the most common CIP processes used. Each modern dairy farm uses a pipeline to carry the milk from the individual milking station to the final bulk tank (with a few stops in between). Dairy farms are required to clean these pipes after every milking, which may be 2 or 3 times per day. Traditionally hot water with chemicals were used in these processes consuming a large amount of energy and chemical costs.

Ozone as a Sanitizer

Ozone is an extremely effective sanitizer. Historically the most common sanitizer used in CIP systems has been chlorine. While chlorine is a very effective disinfectant, it has the potential to leave residuals and create potentially harmful by-products. Other chemicals, caustics, and acids are used in the CIP process as well. All of these have challenges with storage, handling, and transportation due to increasing regulation. These factors along with rising costs have broadened the use of ozone in many applications.

How does ozone work ?


1. The principle of ozone sterilization

Ozone (O3) is an allotrope of oxygen. It is a light blue gas with a special odor. Its molecular structure is triangular, with a bond angle of 116°, its density is 1.5 times that of oxygen, and its solubility in water is 10 times that of oxygen. Ozone is a strong oxidant, its redox potential in water is 2.07V, second only to fluorine (2.5V), its oxidation capacity is higher than that of chlorine (1.36V) and chlorine dioxide (1.5V), and it can destroy the decomposing bacteria. The cell wall quickly diffuses into the cell, oxidatively decomposes the glucose oxidase necessary for oxidizing glucose inside the bacteria, and can also directly interact with bacteria and viruses to destroy cells, RNA, and decompose DNA ( Polymers such as DNA, RNA, proteins, lipids, and polysaccharides destroy the metabolic and reproductive processes of bacteria. The killing of bacteria by ozone is caused by the disruption of the cell membrane. This process is called cell dissociation because the cytoplasm is comminuted in water and cells cannot be regenerated under dissipated conditions. It should be pointed out that, unlike hypochlorous acid disinfectants, the bactericidal ability of ozone is not affected by the change of pH value and ammonia, and its bactericidal capacity is 600-3000 times larger than that of chlorine. Its sterilization and disinfection effects occur almost instantaneously. When the ozone concentration is 0.3-2mg/L in water, bacteria can be killed within 0.5-1min.

1 Viruses Ozone has been shown to have a very strong killing effect on viruses. For example, at a concentration of 0.05-0.45 mg/L ozone, the Poloi virus loses its activity within 2 minutes.
2 The cysts were completely removed at a concentration of 0.3 mg/L ozone for 2.4 minutes.
3 Spores Due to the protection of the spore coat, it is 10-15 times more resistant to ozone than the growing bacteria.
4 Fungi Candida albicans and penicillium can be killed.
5 Parasites Schistosoma mansoni was killed after 3 min.


2 Ozone deodorizes water bodies

The substances that generate odorduring the sewage treatment process are mainly composed of carbon, nitrogen and sulfur.
Only a few odor-producing substances are inorganic compounds such as ammonia, phosphorus, and hydrogen sulfide; most of the odor-producing substances are organic compounds such as low-molecular fatty acids, amines, aldehydes, ketones, ethers, and the like. According to the analysis of the influent status of the wastewater treatment plant where I was located, 80% of the influent water is domestic sewage, ie, the content of organic matter is very high, and the content of inorganic compounds is relatively small.
Most of the odor-producing substances are organic compounds, such as low-molecular fatty acids, amines, aldehydes, ketones, ethers, etc. These substances all have active groups, are prone to chemical reactions, are particularly easily oxidized, and have strong ozone. Oxidation characteristics, oxidation of active groups, odor disappeared, so as to achieve the principle of deodorization.
In addition to the odor removal, ozone can also prevent the re-production of odors. This is because the gas generated by the ozone generator contains a lot of oxygen or air, and the odor-producing substances are easy to cause odor in the absence of oxygen, using ozone. Treatment, oxidation and deodorization at the same time, the formation of oxygen-rich environment, can prevent the re-production of odors. The improvement of the sewage treatment environment in the urban sewage treatment plant is still relatively large.


3 Decolorization of water by ozone

With the attention paid to the tap water source environment and the reuse of secondary treatment water for sewers, secondary treatment water destaining has received attention.
As for the color and taste caused by humus, the water color averages 10 degrees. Up to 20 degrees. Such chromas rely on general cohesion sedimentation and sand filtration processes that do not achieve adequate water quality standards, and may even exceed the worst-case criteria. After the ozone treatment, the color can be reduced to less than 1 degree. The reason for the coloring of tap water is that the content of iron and manganese is too much. If these metals are in the free state, the conventional method can be fully removed. If humus is present in the raw water, chromium salts are sometimes formed and it is very difficult to perform conventional treatment. Therefore, color removal is also an important factor in the introduction of ozone treatment.

The decolorization mechanism of ozone: With the vigorous development of molecular biology, microecology will extend the ecology to the molecular level. In fact, whether the protein or nucleic acid molecule is organic, they are all composed of carbon, hydrogen, oxygen, nitrogen and phosphorus or sulfur (C, N, O, N, P, or S). At the same time, the coat of virus is composed of many The protein subunit is composed of shell particles. Each shell particle is linked by non-covalent bonds and is tangled together symmetrically. The protein is composed of multiple chains and the nucleic acid is composed of linked nucleotide chains. Of these, OH, as a whole, is electrically neutral (R-OH), but if viewed from the inside of the group, part of it has more negative charges (such as oxygen atoms) because of this part of the group. (R-OH) has "additional" bonding electrons, so it is negatively charged: the other part has more positive charges (such as hydrogen atoms), and this part of the group lacks bonding electrons, so it is positively charged. If there is another similar group close to each other, positive and negative charges attract each other to generate a weak bond, which is called a hydrogen bond, such as between polypeptide groups or between nucleotide thiol groups and DNA or RNA molecules. The thiol groups in the pair are all likely to form hydrogen bonds. Although a single hydrogen bond is very weak, many hydrogen bonds together to form a tough cell wall in plant cells. Now look at ozone, it is a strong oxidant, high oxidation potential (2.07ev). Any element with high electronegativity can strongly attract electrons, oxidize each other, and restore oneself. Oxidation results in nucleic acid breakdown, protein disintegration, antigen denaturation, negative detection, and chroma fade.


why choose us ?
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Guangzhou jiahuan appliance technology co., ltd 
 
Guangzhou jiahuan appliance technology co., ltd was established in 2007, named "Guangzhou Sanhuan" from 2000-2007,with over 150 employees , covering more than 10000m2 , professional making ozone generator and PSA oxygen generator for water treatment and air purification . 

Our company consists of six departments : 
Administration section
Production department 
Sales department 
Technical department 
After-sale department 
Develop department 

Jiahuan always striving to provide the best service . We push ourselves to stay on the top of the industry and to go above and beyond your expectations. Contact to benefit from our expertise 
 
website : http://madeozone.en.made-in-china.com                                                                                       
Address : NO.2 Hualong road Donghua Industrial area Renhe town Baiyun area Guangzhou China 

1.  What is ozone?
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Ozone is one of the most powerful oxidants available, destroying bacteria,viruses, mold and mildew in air, water and diverse applications almost instantly and more efficiently than any other technology. Ozone's molecular structure is three oxygen atoms (O3).

2.  Will Ozone hurt me?

Once the ozone concentration fails to meet the hygiene and safety standard, we can notice with our sense of smell and dodge away or take actions to avoid further leakage. So far there is no one death reported caused by ozone poisoning.

3. Why is ozone a green technology?

Ozone is a green technology with many environmental benefits. It reduces our dependence on traditionally used, harmful chemicals such as chlorine and eliminates their hazardous disinfectant by-products (DBPs). The only by product created by ozone applications is oxygen which is reabsorbed into the atmosphere. Ozone's ability to disinfect in cold water also saves energy.


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HY series source ozone generator 
ozone concentration : 15-30mg/l 
YT series Oxygen source ozone generator 
ozone concentration : 80-100mg/l