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Thermal inactivation of Corona & Co. - A new answer

09-15-2022 11:44 AM CET | Health & Medicine

Press release from: Bioway Consulting Ltd

Corona-Wave-System

Corona-Wave-System

The current situation of the Corona pandemic and the appearance of SARS-CoV-2 / Covid19 and newer mutations, which are said to be even more infectious, calls for a physical method to inactivate these biological particles in the aerosol or air "in-situ". According to the latest findings, more viruses will appear in the near future that are highly infectious and dangerous to humans. Therefore, in-situ inactivation is required for all airborne biological, infectious particles.
The death or killing / inactivation of microorganisms means the irreversible loss of the ability to multiply, grow or reproduce or reactivate in any way - it loses its infectivity. The newly developed system "Corona-Wave" shows multiple effects that lead to a positive synergism of the "kill kinetics". It has a length of only 50 cm, as the energy transfer by IR radiation takes place loss-free at the speed of light. A calculation of the contact time in 0.0023 seconds is objectless. The multiple effects are heat convection caused by the hot quartz elements with a filament temperature of 2700 - 3000 °K (surface temperature of a good 200 - 250°C), a formation of copper ions which cause a faster inactivation than only pure copper surfaces (Cu°) and the direct radiation of 250 nm to 800 nm in the energy optimum with loss-free energy transfer to biological particles. Thermal inactivation by IR radiation does not refer to an absorption maximum (as with UV radiation), where certain functional groups are destroyed in their structure. It acts on the weakest "link" in a molecular structure, a microorganism - whether virus, bacteriophage or protein structure.
This can be seen in the temporal gradation of e.g. corona viruses (temperature / time correlation), no matter which bond (C-H, C=O, C-N etc.) is attacked. The speed of inactivation does not increase selectively with increasing energy input/temperature! IR radiation does not release ozone and does not damage skin cells. A system has been designed that is simple in construction, cost-effective in the materials used and uses long-lasting (over many years without replacement) IR radiation sources. The system is scalable - or expandable in modules (as a bundle) to any air flow volume. It is operated with normal AC 230 V / 50-60 Hz and has a moderate, low power consumption (144 W + 0.84 W fan).
The air outlet temperature as ∆T is only 2.4°C at an air flow rate of 237 m³/h. Intelligent software controls the rotation speed of the fan and thus the air flow rate (m³/h), whereby a sensor detects the air outlet temperature and thus dims/regulates the power (W) of the IR elements of the emitted radiation. The adjustment of all parameters by software takes into account the lethal "kill kinetics threshold" for Corona & Co. that has been entered into the software. Thus, an inactivation level can be set for any microorganisms.
Today, various technologies and systems are offered as state of the art: Air scrubbers, filter units (Hepa) with UV additive, UV-C, ionisation and plasma systems. Criticism of the state of the art generally refers to inadequate, uneconomical parameters, such as the service life of the UV light sources and their power loss already at approx. 30% of the service life. Furthermore, in the case of filters, the pressure drop that has to be compensated by more powerful fans - as well as the limited usability at high humidity (in e.g. 80%) and their replacement and disposal as a "bio-hazard" in protective clothing. Plasma applications are restricted to limited air flow and, as with ionisation, use high voltage for generation, which releases ozone.
Units with filters, on the other hand, should be changed at least twice a year. Since there may still be active viruses on the filter surface, the filter should be changed professionally and in suitable protective clothing, and the filter should be disposed of properly - i.e. hermetically sealed (BIO-HAZARD). If the filter change is delayed and the filters become clogged, the effect is reduced - if only because the air performance of the units is lower. Therefore, corresponding maintenance costs must be calculated for room air filter units.
Little is known to date, as little has been published on the physical, chemical and biochemical mechanisms that lead to the inactivation of viruses in aerosols by IR radiation. However, it is assumed that a destruction of the proteins occurs, which can occur as denaturation, mutation and breaking of bonds. The difference is thermal inactivation, as radiation energy is converted into heat. At very high temperatures, destruction of the capsid protein and coat protein is irreversible. This destruction applies to enveloped viruses just as it does to non-enveloped viruses. In general, at very high temperatures, e.g. above 200°C and higher, a kind of decomposition is achieved, so that organic material is decomposed. However, inactivation of Corona & Co. is much lower here - already from 60°C within approx. 60 mins.

Mr. Norbert Pautz / CEO
c/o Bioway Consulting Ltd
C./ Tirant Lo Blanc 4, 3
ES-03750 Pedreguer / Alicante
Spain
contact@biowayconsulting.com
0034965030786

Bioway GmbH (i.l.) is busy since 1990 in the field of microbiology, desinfection-technology and waste water treatment. Bioway Consulting Ltd is the successor company with focus on waste water treatment and inactivation of airborne infectious, biological particles like of SARS-CoV-2 / Covid19 and newer mutations.

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