One of the major advancements in the construction industry has been the development of trenchless technology. The technology has seen the introduction of underground structures with very little disruption to facilities, foot traffic, and other essential activities. As the name suggests, trenchless technology requires little or no trenches to carry out the specified work. The technology is efficient and environmentally friendly. Trenchless technology can be defined as a collection of methods materials that can be utilized for carrying out installations, repairs, and installation of existing underground structures.
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The fact that trenchless technology limits the need for trenches and excavation, it is much cheaper, and it has a smaller effect on the environment. The surrounding area will remain the same, and the shutdown period of businesses is very minimal. The technology also ensures air and noise pollution is kept to the barest minimum.
“Over time, damages to water lines and sewer meant that for repairs to be made, there had to be lots of digging up and excavation. Repairs were costly and, ultimately labor-intensive. In addition, each section of the pipe required intricate attention, thus leading to the destruction of the surrounding environment. The introduction of trenchless technology such as pipe bursting, HDPE pipe lining repair, and so on have helped revolutionized the construction industry. Not only is trenchless technology cost-effective, but it is also more eco-friendly and sustainable,” says Jan Venter, CEO, SAPPMA.
The application of trenchless technology is on the rise, in addition to utilizing premium quality pipe materials that meet design requirements and specifications. Overall, the entire construction industry has had a facelift, and the inclusion of top quality materials, and installation techniques is a plus.
“The construction industry and by extension, the plastic pipe industry is a strategic industry that requires hardware to be reliable for particular periods of time. A quality pipe should be able to give a 100 years of service without failure, according to industry standards. This is the reason why our vision is to ensure the longevity of our product, whether it is in the application of trenchless technology, or pipe installations,” Venter added.
Regarding trenchless technology, there are several methods to pick from. However, the two popular methods are; Pipe Bursting and Pipe Lining.
This entails fracturing a pipe inside out while pushing the fragments out. After that, a new pipe is drawn to take the place of the old pipe.
This entails pulling a new liner into an already existing pipe, then using pressure or heat to make the liner fill the pipe.
Can Bacteria and Viruses Be Killed by Air Purifiers?
Several air purifiers have claimed to have the ability to filter and destroy bacteria and viruses even the COVID-19 Coronavirus. However, is this true?
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Important to know:
Air purifiers can filter and kill bacteria and viruses, but they must be in the air at the same time.
The HEPA filter is very efficient in trapping viruses but cannot kill them.
The air purifier is not an ideal alternative to the washing of hands and disinfecting surfaces.
Several members want to know if air purifiers can get rid of germs in their homes like the coronavirus.
The simple answer is yes, but it has a limit. Most air purifiers can effectively trap and kill viruses, but in a typical home, it can only trap a small percentage of germs. This shows the significance of normal hygiene activities such as the washing of hands, disinfecting clean surfaces, and try as much as possible to bring germs into the home.
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Let us consider the efficiency of the air purifier filter as regards trapping a virus.
HEPA filters and coronavirus
High efficiency particulate air (HEPA) filters can filter up to about 0.3 microns (0.3 micrometers or 300 nanometers) of particles.
The diameter of most viruses varies from as little as 20 nanometers (0.00002mm or 0.02 microns) to about 400mm (0.4 microns) and can still get bigger. The diameter of a regular coronavirus is about 0.1 microns or 100 nanometers. This makes the coronavirus and many other viruses extremely below the size that can be trapped by the HEPA filter.
But research has shown that HEPA particles can still catch particles that are as tiny as this and there is every possibility tiny particle as this can be trapped by the filter. There is a tendency that the virus will encounter the filter fibers during movement as they mostly move in a random manner (instead of a straight line) due to its size and can easily become attached just like larger particles such as dust on the filter surfaces.
It is possible to discover viruses on the skin on an individual or on surfaces touched by an individual which is out of the reach of an air purifier.
Therefore, a HEPA filter can easily trap any airborne virus as well as the coronavirus that penetrates it. The virus might not be killed. There is every tendency that the virus can survive for a very long time on the surfaces. But the virus might die eventually except the filter has been removed, which can make it spread to the skin or back in the air.
However, air filters only screen particles in the air and can only trap them in the air. Air purifiers are usually unable to deal with viruses found on a person’s skin or the surfaces touched by the person. It is unlikely for viruses from coughing or sneezing to remain airborne for a long time, instead, it will fall to the ground.
Additional filters: Carbon, Photocatalytic, and others.
Viruses and bacteria can also be caught and killed by Photocatalytic air purifiers as the ions generated by this type of filter have oxidation and the electrostatic effect that traps and breaks them down.
Ultraviolet (UV) lights are also effective In sterilizing and this feature can be discovered in some air purifiers. But several minutes of exposure to UV light are required to kill viruses or bacteria which might be the case in a typical air purifier. UVs that are used for trapping germs are more effective than UVs that air passes through without much exposure.
Filters based in Catechin are also effective against viruses, but it’s hard to see a filter having this feature. Catechin is a herbal plant with antibacterial and antiviral properties.
Carbon filters and the others can be effective in for catching volatile organic compounds, odors, and any other pollutant but have little or no effect against germs,
Even though the filters require that virus to be airborne to penetrate the filter to trap it, viruses on the skin of individuals and surfaces are stubborn against air purifiers.
There are improved methods of protecting yourself.
Conclusively, air purifiers might be able to catch and kill viruses existing in the air, many of these viruses exist on the hard surfaces, body fluid, or on the skin of persons.
A more effective alternative has not changed which is to reduce irrelevant contact, sanitize surfaces touched by people, and constantly wash and sanitize the hands.