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What is a Point of Generation (PoG) treatment technology ?
Technologies used for the treatment of medical waste at source/Onsite
What is a Microwave Medical Disinfection System ?
It is an alternative, Non- Burn point of generation treatment technology for the disinfection of biomedical waste.
What is an alternate technology ?
These are non burn/non incineration technologies that prevent the formation and release of highly toxic gaseous emissions including dioxins and furans, among others. Alternate technologies for medical waste treatment complies with Stockholm Convention on Persistent Organic Pollutants which requires the “continuing minimization and, where feasible, ultimate elimination” of releases of persistent organic pollutants, such as dioxins and furans. (Source: Health Care Without Harm)
Basic science behind microwave disinfection technology
Microwave disinfection is an alternate, Non Burn, green technology based on “Molecular inactivation of cells” for disinfection of medical waste. Microwaves are very short waves in the electromagnetic spectrum. It is an “inter-molecular” heating process. It heats the material inside out, thereby ensuring the rapid uniform heating leading to high level of disinfection.
Many molecules (such as those of microorganisms) are electric dipoles, meaning that they have a partial positive charge at one end and a partial negative charge at the other, and therefore rotate as they try to align themselves with the alternating electric field of the microwaves.
Rotating molecules hit other molecules and put them into motion, thus dispersing energy. This energy, when dispersed as molecular vibration in solids and liquids (i.e., as both potential energy and kinetic energy of atoms), generates heat. Due to this internal heating temperature goes upto 200 – 3000 C.
In microwaving, microbial inactivation occurs as a result of the thermal effect of electromagnetic radiation spectrum lying between the frequencies 2450 MHz. It has high disinfection levels 107 log or better and can kill highly infectious pathogens including bacterial spores in a disinfection cycle of nearly 27 minutes and at a temperature ranging from 90-1000 C.
Is the technology patented ?
Yes, the technology is patented by United States patent and trademark office, Department of Commerce
What are the categories of waste treated ?
The technology has been approved by the Central Pollution Control Board (CPCB), Government of India. As per the Bio-medical Waste (Management & Handling) Rules, 1998, four out of total 8 categories of Biomedical waste could be treated by Microwaving.
For more details about BMWM rules 1998, refer to http://cpcb.nic.in/Bio_medical.php
Microbiology & Biotechnology Waste
Wastes from laboratory cultures, stocks or specimens of microorganism live or attenuated vaccines, human and animal cell culture used in research and infectious agents from research and industrial laboratories, wastes from production of biological toxins, dishes and devices used for transfer of cultures.
Needles, syringes, scalpels, blades, glass, etc. that may cause puncture and cuts. This includes both used and unused sharps.
CAT-6: BIO-MEDICAL Waste
Items contaminated with blood, and body, fluids including cotton, dressings, soiled plaster casts, lines beddings, other material contaminated with blood.
CAT-7: BIO-MEDICAL Waste
Wastes generated from disposable items other than the waste sharps such as tubing’s, catheters, intravenous sets etc.