What is Medical Waste? Medical waste is generated from healthcare facilities and contains potentially harmful microorganisms that can infect hospital patients, health workers and the general public. ——World Health Organization (WHO) Type of Medical Waste Infectious Waste: waste known or suspected to contain pathogens and pose a risk of disease transmission, e.g. waste and waste water … Read more
Microwave sterilization in hospitals uses electromagnetic waves to rapidly heat and destroy microorganisms in medical waste and some instruments, offering faster, efficient, and environmentally friendlier alternatives to traditional methods like autoclaving, by combining thermal effects (water molecule friction) and non-thermal effects (field disruption) for rapid disinfection and waste volume reduction. These systems often shred waste first, … Read more
What did the Microwave Disinfection Unit (MDU) do to bacterias?
Microwave disinfection is the result of microwave thermal effect and biological effect, which can make microwave energy and bacteria directly interact, rapid sterilization.
The thermal effect of microwave energy: Under certain intensity microwave field, the bacteria will be due to the absorption of polarized molecules can increase the temperature of microwave, so that the protein deformation, loss of biological activity. The thermal effect of microwave mainly plays the role of rapid temperature sterilization.
Non-thermal effects of microwave energy: High-frequency electric fields change the polarized molecular structure, resulting in the loss of vitality or death of proteins and physiologically active substances in the microbes, and the special effects of conventional physical sterilization in the sterilization.
Applicable Range
Our medical waste microwave disinfection equipment is professionally used for the harmless disposal of medical waste, including medical waste that is classified as infectious, traumatic, and pathological waste. It can also be used in epidemics when dealing with sick and dead poultry.
Blood and Blood Products
Dialysis Waste
Animal Tissues, Body Parts, and Carcasses
Human Tissues, Body Parts, and Limbs
Biological and Non-Hazardous Pharmaceutical
Needles, Syringes, and other Sharps
Research Waste
Laboratory Specimens
Surgery Waste
Regulated Medical Waste
Pathology and Histology Samples
Aids and Hepatitis Waste
Isolation Waste
Cultures and Slides
Intravenous Bags, Blood Bags, and Associated Tubing
Packaging Materials
Trace Chemotherapy/anti- neo plastic waste
Soft waste (including gauze, bandages, drapes, gowns, and bedding) from patient care
The system uses the combined effect of microwave and steam to disinfect medical waste, treatment process as following :
The infectious material is temporarily held in a waste container(s) which in turn, are emptied into an pre storage hopper via a charging system which is located at the front of the MDU.
The infectious waste is fed to the shredding system by a feed arm where it is shredded.
The shredded material is conveyed through a microwave section and temperature holding section, respectively for disinfection under a microwave of 2450(±50) MHz, temperature of ≥95℃, over 45 minutes.
The disinfected and unrecognizable (sharps) waste is then discharged into large waste containers (or compaction units) by the discharging screw conveyor.
From there the material can be transported to a local municipal landfill for disposal or to a refuse recycling plant.
Compare technologies | Pioneer Tech | Autoclave | Autoclave( shedder) | Incinerator |
(Microwave) | (Hot steam) | (Hot steam) | (Incineration) | |
Continuous process | ✓ | X | X | X |
Integral shredding | ✓ | X | ✓ | X |
Unrecognisable waste | ✓ | X | ✓ | ✓ |
Volume of waste reduction | ✓ | X | ✓ | ✓ |
Mass of waste reduction | ✓ | X | X | ✓ |
Installation requirements | Low | High | High | High |
Complexity of the installation | Low | Intermediate | Intermediate | High |
On-site installable | ✓ | ✓ | ✓ | X |
Technology approval by countries all over the world | High | Intermediate | High | Low |
Level of sterelization | High | Intermediate | High | High |
Odours | Low | High | Intermediate | Intermediate |
Noise | Low | Intermediate | Intermediate | High |
Treatment of pathological and anatomical waste | ✓ | X | ✓ | ✓ |
Cost | ||||
ROI | High | Low | Low | Low |
Investment costs | Intermediate | Low | Intermediate | High |
Operating costs | Low | High | High | High |
Maintenance costs | Low | High | High | High |
Labour costs | Low | High | High | High |
Environment | ||||
Impacts on the environment | Low | Intermediate | Intermediate | High |
Treated waste recyclable | ✓ | X | X | X |
No contaminated rejection (such as water, steam) | ✓ | X | X | X |
Security | ||||
No risk related to pressurized vessel | ✓ | X | X | X |
Risk for workforce/personnel health | No risk of toxic contaminants released into the air or the treated waste | Intermediate | Intermediate | High |
ENVIRONMENTAL
Zero emission, no hazard airs or water release, no dioxin, without secondary pollution.
FLEXIBILITY
Fixed and Mobile type available, plug and play, flexible, convenient and energy-saving.
MARKET ACCEPTANCE
Significant advantages of high disinfection effect, simple operation, zero emissions allows the technology being quickly recognized by the market.
HIGH DISINFECTION EFFECT
Unique advantages of microwave with steam synergistic sterilization meet a fast and thorough sterilization rate.
SIMPLE OPERATION
High degree of automation and PLC control allows easy operation by ONE single person with simple training.
ECONOMICAL
Low investment, stable operation with simple maintenance. Only electricity and water are connected, it’s efficient and economical.
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