High-temperature Steam Treatment for Biohazard Waste
High-temperature steam treatment is an effective method for disinfecting and sterilizing medical waste. By exposing the waste to high-pressure, high-temperature steam, the microbial proteins in the waste are denatured and coagulated, which kills pathogens and renders the waste harmless.
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Key Features of High-Temperature Steam Treatment
Sterilization and Disinfection
Temperature: >134°C Pressure: >0.22 MPa (gauge pressure) Time: >45 minutes The process effectively inactivates bacterial spores, viruses, fungi, and other pathogens, including dangerous viruses like COVID-19 and hepatitis B.
Réduction
High-temperature steam treatment decomposes, softens, or liquefies organic materials, reducing the volume and weight of medical waste by 30%-50%. The moisture content after drying should be less than 20% of the total weight, and the crushed material size should not exceed 5 cm.
Destruction
High-temperature steam can deform plastic items like syringes and infusion tubes, and break glass products, preventing illegal recycling and minimizing medical safety hazards.
Equipment Scales and Corresponding Applications
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Small-scale
Suitable for small hospitals, clinics, laboratories, and medical institutions. Typical capacity: 50–150 kg per cycle, designed for low to moderate amounts of medical waste.
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Medium-scale
Suitable for medium-sized hospitals, clinics, or medical waste treatment centers. Typical capacity: 150–500 kg per cycle, capable of handling a broader range of waste types, including surgical waste, infusion bags, and medical devices.
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Large-scale
Suitable for large hospitals, medical waste treatment plants, and centralized waste management facilities. ypical capacity: 500–2000 kg per cycle or more, designed for large volumes of waste with advanced automation.
Advantages of High-Temperature Steam Treatment
Environmental Advantages
Unlike incineration, high-temperature steam treatment does not produce harmful gases like dioxins and furans, and reduces atmospheric pollution. There is no need for complex flue gas purification systems, lowering both capital and operational costs, and reducing secondary pollution risks.
Resource Recovery Potential
Metal items, if not severely damaged, can be recycled after treatment. Plastic, glass, and other materials can be processed into non-medical materials, such as additives for construction, improving resource utilization.
Safety Performance
The process is safer than incineration, with no combustion-related risks such as explosions or chemical reactions.
The system produces less noise and vibration, providing a safer and quieter work environment for operators.
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Operational Process
01
Collecte des déchets
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Medical waste is collected, placed in heat-resistant bags, and sealed to prevent leakage.
02
Loading into Treatment Chamber
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The waste is placed into the treatment chamber, the door is sealed, and the appropriate parameters (temperature, pressure, and time) are set based on the type and quantity of waste.
03
Treatment Process
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The system preheats the chamber to the desired conditions. After treatment, pressure and temperature are gradually reduced, and the treated waste is removed once the chamber is safe to open.
Key Caveats for Safe Operation
Training
Operators must be professionally trained and familiar with safety procedures and equipment operation.
Handling
Ensure that waste bags do not break during the loading process to prevent leakage.
Regular Maintenance
Check equipment performance regularly, including the sealing system, steam generation, and pressure control, to ensure smooth operation.
Parameter Control
Strictly control temperature, pressure, and treatment time to prevent incomplete sterilization or equipment damage.
Chemical Waste Handling
Special care should be taken when treating chemical waste to avoid hazardous reactions.
Record-Keeping
Keep detailed records of equipment operations, including types and quantities of medical waste handled, treatment parameters, and maintenance logs.
Post-Treatment Waste Disposal
Disposal of Non-Hazardous Waste
Treated waste that meets non-hazardous standards can be safely disposed of in landfills or incinerated if necessary.
Recycling
Items like metal instruments can be recycled if they are not severely damaged, following appropriate cleaning, disinfection, and testing.
Special Treatment
Residual waste that still poses a risk or does not meet landfill standards may require further treatment (e.g., incineration).
Key Considerations When Choosing High-Temperature Steam Treatment Equipment
Performance
Ensure accurate and stable temperature and pressure control, a sufficiently sized treatment chamber, and minimal steam leakage. The equipment material should be corrosion- and heat-resistant.
Sécurité
The equipment should include overpressure, over-temperature, and leakage protection features to ensure operator safety.
Environmental Impact
Select energy-efficient equipment that meets environmental protection standards for drainage, exhaust emissions, and noise levels.
After-Sales Support
Choose a manufacturer that provides reliable after-sales service, including installation, training, maintenance, and technical support.
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International Standards and Regulations
Lignes directrices de l'OMS
The World Health Organization advocates for the safe management of medical waste, ensuring that pathogens are inactivated and that treated waste meets local environmental standards
Chinese Regulations
China’s Règlement sur la gestion des déchets médicaux require treatment units to have the appropriate qualifications, and treatment processes must follow prescribed procedures to ensure environmental protection and hygiene.
Leading Manufacturers of High-Temperature Steam Treatment of Medical Waste
Chinese manufacturers have extensive experience in developing medical waste treatment equipment, offering customized solutions and robust after-sales support for various medical institutions.
FAQ
Biosafe offre une gamme complète de produits de haute qualité, soutenue par 16 ans d'expertise industrielle. Nous excellons dans la compréhension des réglementations mondiales, dans la fourniture de solutions sur mesure et dans la prestation d'un service après-vente fiable grâce à notre réseau d'ingénieurs locaux.
Tous nos produits sont soumis à des contrôles de qualité rigoureux et sont certifiés CE, ce qui garantit qu'ils respectent et dépassent les normes réglementaires mondiales. Notre connaissance approfondie des lois internationales nous permet de guider nos clients en matière de conformité, quel que soit l'endroit où ils opèrent.
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