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Radiation Sterilization

  • irradiation sterilization

irradiation sterilization

  • Product ID:Radiation Sterilization
  • Email: sterilizerfactory@gmail.com
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what is irradiation sterilization?

Irradiation sterilization is to kill bacteria and pests through gamma rays to achieve the desired purpose without causing radioactive residue and toxicity.
Gamma irradiation technology mainly uses high-energy gamma rays emitted by radioactive isotopes such as cobalt-60 to sterilize products and prevent insects.
The gamma rays prevented by radioactive isotopes can penetrate everything from liquids to metals and kill microorganisms in them. Gamma irradiation is also called irradiation processing, gamma sterilization or radiation sterilization.
 

An irradiation facility is mainly composed of:

  • a chamber made of thick (2 m) concrete walls that prevent radiation to escape to the environment.
  • a source of ionizing radiation inside the chamber.
  • a warehouse where irradiated products are physically separated from non-irradiated products.
  • a conveyor belt that takes the products from the untreated area of the warehouse to the irradiation chamber, and then from the irradiation chamber to the treated area of the warehouse.
  • computerized systems to control the time of exposure of the products to the source of radiation.
  • safety systems that ensure that nobody can enter the irradiation chamber when it is in operation and that nobody can start operation when there is someone inside the chamber.
  • various auxiliary systems for ventilation, supply of compressed air and preservation of water quality where there is a pool.
 

The source of radiation can be,

  • Cobalt-60, a man-made radioisotope-emitting gamma rays.
  • an electron beam machine producing electrons of high energy (beta rays).
 

irradiation sterilization services

The objects of irradiation processing include high molecular polymers, synthetic rubber, various chemical raw materials, biological products, food, grains and medicinal materials.
For medical equipment, such as surgical gloves, disposable syringes, infusion sets, etc., irradiation processing is considered the most thorough and safe disinfection method.
 

what is sterilization medical irradiation equipment

irradiation sterilization facilities
Radiation is a safe and cost-effective way to disinfect single-use medical equipment such as syringes and surgical gloves. One of its main advantages is that it can sterilize already packaged products. All kinds of life-saving equipment have been sterilized by radiation. More than 160 gamma irradiation plants worldwide are disinfecting medical equipment. Approximately 12 million cubic meters of medical equipment are sterilized by radiation every year. More than 40% of all disposable medical devices produced worldwide are sterilized by gamma rays. The IAEA helps its member states establish radiation facilities and provides guidelines for the use of sterilization applications that use radiation.
 

irradiation sterilization methods

In the past 50 years, industrial irradiation has been used for many purposes. The main application is the industrial sterilization of medical supplies, which is the preferred irradiation method worldwide. Other methods are gas (ethylene oxide) and steam (autoclave).
Outside the medical field, radiation can be used to extend the shelf life of food through decontamination. Irradiation is also used to crosslink certain plastics (mainly polyethylene), thereby introducing heat resistance, mechanical abrasion and biodegradability. Even the difficult waste problem of dealing with polytetrafluoroethylene (PTFE) waste mainly from cable manufacturers, that is, after it is converted into powder, it can be reused in the smear industry, which is also the field of radiation.
 

What is the irradiation sterilization process

irradiation sterilization process uses high-energy electron beams generated by an electron accelerator (0.2MeV~10MeV) to process the irradiated material.
 

What is the difference between radiation and irradiation?

Irradiation is the process by which an object is exposed to radiation. The exposure can originate from various sources, including natural sources. Most frequently the term refers to ionizing radiation, and to a level of radiation that will serve a specific purpose, rather than radiation exposure to normal levels of background radiation. The term irradiation usually excludes the exposure to non-ionizing radiation, such as infrared, visible light, microwaves from cellular phones or electromagnetic waves emitted by radio and TV receivers and power supplies.
 

Differences in terms of explanation 

In terms of explanation, it can be said that Radiation is the number of photons that are being emitted by a single source. Irradiation, on the other hand, is one where the radiation is falling on the surface is being calculated.
 

Differences in terms of action

In terms of action, it can be said that the process of gamma irradiation is one where the entire energy of the system starts to get more intense as time passes. On the other hand, in Radiation, just the opposite thing happens. The entire energy starts to go down as time passes.
 

What products are sterilized by using radiation?

1.food
  • food sterilization by irradiation
  • irradiation of food for sterilization is usually carried out using gamma irradiation.
  • irradiation sterilization of food
 

Food Irradiation Plant Process

to a stable state. The radionuclide used almost always for the irradiation of food by gamma rays is cobalt-60. It is produced by neutron bombardment in a nuclear reactor of the metal cobalt-59, then doubly encapsulated in stainless steel “pencils” to prevent any leakage during its use in a radiationplant. Cobalt-60 has a half-life of 5.3 years.
The radiation used in processing materials is limited to radiation from high-energy gamma rays, X-rays and accelerated electrons. These types of radiation are called “ionizing” because their energy is high enough to dislodge electrons from atoms and molecules and to convert them to electrically charged particles called ions.
 
2.irradiation sterilization medicine
  • Medical equipment
  • Medicine
  • Combination drugs/device products
  • Tissues and biological products
  • Animal retail products
 
3.file and Materials
  • Cosmetics and toiletries
  • Gardening supplies
  • Packaging Materials
 

gamma irradiation sterilization process

The gamma irradiation process uses Cobalt 60 irradiation for a variety of applications, including sterilization, purification, and material modification. Gamma rays can penetrate dense products well and are ideal for a variety of materials and their packaging.
 

What are gamma rays?

The Cobalt-Glow-4 gamma-ray irradiation process uses 60 cobalt rays to kill microorganisms on many different products in specially designed cells. The decay of the radioisotope cobalt 60 produces gamma rays, and the resulting high-energy photons are effective fungicides. The key feature of gamma irradiation is high penetration capability, which can deliver the target radiation dose to the product area where the density may be higher.
 
The unit of absorbed dose is kiloGray, expressed as kGy. The delivery and absorption of product dose depends on product density, packaging size, dose rate, exposure time and facility design.

gamma rays

Use of gamma rays, ultraviolet rays, x-rays and other radiation (with wavelengths shorter than that of visible light) for sterilization of food and other items. Irradiation is employed also in inducing polymerization of monomers, or in vulcanization of rubber.

What are Gamma Irradiation used for?

The gamma irradiation process can effectively process various products composed of different materials, which have different densities, structures and directions. Some examples of processed products include:
 
 

What are the benefits of gamma radiation?

Gamma-ray irradiation is safe, reliable and efficient, and can be used to process a variety of products with different densities. Gamma irradiation has the ability to penetrate the product in a sealed state in the final package, and supports the manufacturing and distribution process by promoting the demand for the final packaged product and raw materials, thereby ensuring the complete sterility of the product.
 

standard:

Gamma sterilization is supported by the internationally recognized consensus standard ISO 11137, which describes a method for verifying doses to achieve a prescribed sterility assurance level (SAL).
 

Gamma irradiation support services:

In addition to irradiation sterilization, STERIS AST provides customers with laboratory testing and technical support solutions at every stage of the sterilization design process (from product development to routine processing).
 
Our RadiationTechTeam will guide customers through the radiation verification process, provide solutions for unique project needs, and support routine treatment through quarterly dose audits.
 
The Radiation Technology Center (RTC) supports our customers through radiation testing activities such as product testing, dose determination and dose verification. RTC provides high-precision dose delivery for verification, dose mapping, dose review and research purposes.
 

irradiation sterilization company

Our company is a national high-tech enterprise integrating the R&D, manufacturing and radiation processing services of irradiated cables, irradiated wires, electron accelerators and their under-beam devices; the company now has high-frequency, high-voltage, linear, and low-energy DC And electronic curtain and other types of accelerators, the energy covers 0.2~10MeV, the products fill the gap in the market, and some products have reached the international advanced technology level of similar products.
 
 

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